IPC Reform List II - Selective Coverage

IPC Reform List II contains the IPC codes from the 2006 IPC Reform and subsequent updates that are selectively covered by CAS.

Patent documents from countries not listed here are automatically selected for further examination.

Patent documents with one or more of these IPC codes are automatically selected for coverage if they are issued by the following countries or patent offices:

  1. AP ARIPO
  2. AT Austria 
  3. AU Australia
  4. BG Bulgaria
  5. CA Canada
  6. CN China
  7. CS Czechoslovakia 
  8. CZ Czech Republic
  9. DE Germany
  10. EG Egypt
  11. EP European Patent Office
  12. FR France
  13. GB United Kingdom
  14. GC Gulf Cooperation Council
  15. GR Greece
  16. HK Hong Kong
  17. HR Croatia
  18. HU Hungary
  19. IE Ireland
  20. IL Israel
  21. IN India
  22. JP Japan
  23. KR Korea, Republic of
  24. LT Lithuania
  25. LU Luxembourg
  26. LV Latvia
  27. MX Mexico
  28. MY Malaysia 
  29. NZ New Zealand
  30. PH Philippines 
  31. RO Romania
  32. RU Russia
  33. SG Singapore
  34. SI Slovenia
  35. SK Slovakia
  36. TW Taiwan
  37. US United States
  38. WO World Intellectual Property Organization
  39. ZA South Africa

 

Class/
Subclass
Subject Matter Groups Selectively Covered in CA
A: HUMAN NECESSITIES
A01C Planting, sowing and fertilizing 1/00-3/00, 14/00, 21/00
A01D Harvesting; Mowing 69/12
A01G Horticulture all groups
A01H New plants; plant
reproduction by tissue culture
all groups
A01J Manufacture of
dairy products
00/00, 5/013, 7/02-7/04, 11/00, 15/00, 25/00, 25/11, 27/00-27/02, 99/00
A01K Animal husbandry 1/015, 31/00, 43/00, 67/00-67/033, 85/00-85/01, 91/00, 91/12, 91/18
A01L Shoeing of animals 1/00, 5/00, 15/00
A01M Catching or trapping of animals 1/00-1/02, 1/14-1/20, 3/04, 5/06, 29/12, 29/28, 99/00
A01N Biocides, pesticides,
herbicides, and plant
growth regulators
00/00-25/34, 63/00-65/48
A01P Biocidal, pesticidal,
herbicidal, and plant
growth regulating
activity
all groups
A21B Baking equipment all groups
A21C Dough processing
equipment
all groups
A21D Baking additives and
preservatives
00/00-2/00, 2/34-17/00
A22B Slaughtering all groups
A22C Processing meat, poultry and fish all groups
A23B Food preserving;
chemical ripening
all groups
A23C Dairy products all groups
A23D Edible oils or fats, e.g. margarines, cooking oils and shortenings 00/00-7/00, 7/015-9/00, 9/02-9/06
A23F Coffee, tea and their substitutes all groups
A23G Cocoa, chocolate,
confectionery, ice cream
all groups
A23J Protein and phosphatide
compositions for food
all groups
A23K Fodder all groups
A23L Miscellaneous food
preparation and
preservation
00/00-3/32, 3/3418, 3/3445, 3/3472, 3/3571, 3/3589-3/365, 3/375-3/40, 3/44-3/54
A23N Apparatus for treating
fruits and vegetables
all groups
A23P Shaping or working of foodstuffs all groups
A24B Manufacture and
preparation of tobacco
00/00, 3/00, 3/12-3/14, 13/00-13/02, 15/22-15/24
A24C Machines for making
cigars and cigarettes
3/00-5/00, 5/46
A24D Cigars, cigarettes and filters 00/00, 3/00, 3/06-3/16
A24F Smokers requisites 1/32
A41B Shirts, underwear, baby linen and handkerchiefs 3/10, 3/16, 17/00
A41C Corsets; brassieres 1/04
A41D Outerwear and protective garments 19/015, 31/00-31/02
A41G Artificial flowers; wigs; feathers 00/00, 3/00-5/02, 11/00
A42B Hats; head coverings 3/00, 3/06, 3/10
A42C Manufacturing of hats 1/08-2/00
A43B Footwear features and
parts
1/00, 1/10-1/14, 3/04, 3/06, 9/16-9/20, 13/00-13/04, 13/12, 13/16-13/18, 13/22, 13/32, 13/42, 17/14, 21/00-21/02, 21/04-21/08, 21/14, 21/18-21/20, 21/26, 21/32, 21/47, 21/54, 23/07, 23/16-23/17
A43D Equipment and methods
for footwear repair and manufacture
87/00, 95/06
A44B Buttons, pins, and other fasteners 1/02
A45C Purses; luggage 5/02
A45D Hairdressing and
shaving equipment;
manicuring and other cosmetic treatment
00/00-1/00, 4/14, 7/00-7/06, 19/00, 31/00, 33/38, 37/00, 97/00
A46B Brushes 3/02-3/04
A46D Brush manufacture 1/00-1/045
A47C Chairs, sofas and beds 5/00-5/04, 5/12, 7/16-7/20
A47G Household or table
equipment
25/36
A47H Furnishings for windows or doors 23/02, 23/08-23/14
A47J Kitchen equipment 36/02-36/04
A47K Sanitary equipment;
toilet accessories
13/02
A47L Domestic washing or
cleaning
13/17, 13/19
A61B Diagnosis, surgery and identification 00/00-1/00, 5/00, 5/0275-5/028, 5/117, 5/145-5/1486, 5/1495, 5/155-5/157, 10/00, 17/20, 17/42-17/435, 18/00-18/06, 18/14-18/16, 19/02-19/08
A61C Dentistry; oral or dental hygiene all groups
A61D Veterinary tools or
methods
9/00, 19/00-19/04
A61F Prostheses, bandages,
dressings, absorbent
pads, etc.
00/00-2/44, 2/82, 2/844-2/97, 5/44-5/441, 5/443, 6/00-6/10, 6/14, 6/20-6/22, 13/00-13/24, 13/36, 13/44, 13/47-13/475, 13/51-13/511, 13/513-13/514, 13/53-13/535, 13/537-13/539, 13/84
A61G Medical furnishings;
funeral devices
17/007
A61J Medical or drug containers; devices for administration of drugs 00/00-1/14, 1/18-3/10
A61K Medical, dental and
toilet preparations
00/00, 8/00-8/18, 8/92-9/10, 9/12-9/26, 9/48-9/54, 9/68-9/72, 35/00-36/9068, 39/00-45/08, 47/46, 48/00-50/00, 125/00-135/00
A61L Sterilization, disinfection and deodorization 00/00-9/015, 9/03-15/10, 15/14-15-20, 15/36, 15/40-101/56
A61M Medical delivery and
transduction devices
1/00, 1/12-1/38, 5/00, 5/38, 15/00-15/02, 16/10-16/18, 16/22, 29/04-36/00, 36/14-37/00, 99/00
A61N Electrotherapy,
magnetotherapy,
radiation therapy or
ultrasonic therapy
1/04-1/05, 1/44, 2/10, 5/00
A61P Therapeutic activity of chemical compounds all groups
A61Q Use of cosmetics or
toiletries
all groups
A62B Life-saving devices and apparatus 7/00, 7/06-7/10, 15/00-18/06, 19/00-23/06, 29/00, 37/00
A62C Fire-fighting 00/00-2/00, 2/10, 3/00, 3/06, 5/00-5/033, 8/06-8/08, 13/02-13/70, 31/00, 31/07-31/12, 39/00, 99/00
A62D Chemical fire
extinguishing agents,
protectants against
harmful chemicals and
materials for breathing apparatus
all groups
A63B Sports equipment 37/02-37/08, 37/12-37/14, 39/06-39/08, 41/02,
49/10-49/12, 51/02, 53/10-53/12, 59/45, 59/51, 59/54, 60/08
A63C Skis and skates 5/056, 5/14
A63D Bowling games and
billiards
1/04
A99Z Subject matter not
otherwise provided for
all groups
B: PERFORMING OPERATIONS; TRANSPORTING
B01B Boiling and boiling
apparatus
all groups
B01D Separation 00/00-3/10, 3/14-7/00, 8/00, 17/00-53/46, 53/73-53/85, 53/88, 53/92, 53/96-57/02, 61/06-61/12, 61/18-61/34, 61/46-61/54, 63/00-65/04, 65/10-69/14
B01F Mixing, dissolving, emulsifying or dispersing 00/00-15/06
B01J Chemical or physical
processes
00/00-8/46, 13/00-13/12, 13/20-13/22, 19/00-19/12, 19/18-19/32, 47/14-49/02
B01L Chemical or physical
laboratory apparatus
all groups
B02B Grain preparation 5/00
B02C Crushing, pulverizing or disintegrating all groups
B03B Separating solids using liquids 00/00-1/00, 1/04, 5/00, 5/28-5/46, 5/60-5/66, 7/00-9/04
B03C Magnetic or electrostatic
separation
00/00-1/025, 1/32-3/04, 3/16-3/30, 3/38, 3/41-3/45, 3/53-3/64, 3/74-3/80, 3/84, 3/88-11/00
B03D Flotation and differential
sedimentation
00/00-1/001, 1/02-1/14, 3/00-103/10
B04B Centrifuges 00/00-1/00, 3/00, 5/00, 5/04-5/08
B04C Free vortex flow apparatus 00/00-3/00, 7/00
B05B Spraying and atomizing
apparatus
all groups
B05C Apparatus for applying
liquids to surfaces
00/00-1/00, 3/00, 5/00, 7/00, 9/00, 19/00-19/02
B05D Processes for applying
fluent materials to surfaces
all groups
B07B Separating solids from solids 00/00-1/00, 4/00-7/00, 9/00-9/02, 13/00
B08B Cleaning and prevention of fouling 00/00, 3/00-5/00, 6/00-7/00, 7/04-9/02, 9/08, 9/093, 9/40, 11/00, 17/00-17/02
B09B Solid waste disposal 00/00, 3/00-5/00
B09C Reclamation of
contaminated soil
00/00-1/06, 1/10
B21B Rolling of metal 00/00-1/08, 1/12-1/30, 1/46-3/02, 9/00, 27/06, 28/00-28/04, 99/00
B21C Manufacture of metal
sheet, wire, rods, tubes or profiles
00/00-1/00, 1/16-1/20, 9/00-9/02, 23/00, 23/22-23/26, 23/32, 35/06-37/00, 99/00
B21D Working or processing
of metal products
26/053-26/055, 26/08-26/12, 37/01, 37/18
B21F Working or processing of wire 19/00-21/00, 99/00
B21J Forging, hammering,
pressing or riveting
1/00-1/02, 1/06-3/00
B22C Foundry molding 00/00, 7/00-9/04, 9/10-9/12, 9/18, 15/268
B22D Casting of metals 00/00-1/00, 3/00, 7/00-7/02, 11/00, 11/059, 11/07, 11/10, 11/108-11/113, 11/116-11/119, 13/00, 15/00, 17/00, 18/00-18/06, 19/00-19/10, 19/16-25/00, 25/04-27/00, 27/18-27/20, 41/02, 41/28-41/32, 41/36, 41/44-41/48, 41/52-41/54
B22F Manufacture and working of metallic powder 00/00, 3/00-9/30
B23C Milling 5/28
B23H Metal working via
electric or electrochemical process
00/00-1/00, 1/04-3/00, 3/04-7/00, 7/08, 7/12, 7/22-7/24, 7/34-11/00
B23K Soldering, welding,
cladding or plating by
applying heat locally
00/00-1/018, 1/08, 1/19-1/20, 5/00, 5/10-5/16, 5/213, 7/00, 7/08, 9/00-9/013, 9/14-9/18, 9/23-9/26, 10/00-10/02, 11/16-11/20, 11/30, 11/34, 13/00, 13/06, 15/00, 15/10-20/00, 20/14-20/24, 23/00-26/00, 26/066, 26/12-26/211, 26/32-26/352, 26/356, 26/36-26/362,  26/40-26/402, 26/60, 28/00, 31/00-31/02, 31/12, 35/00, 35/04, 35/08-35/10, 35/14, 35/18-35/40, 101/34-101/42
B23P Metal working 00/00, 6/00-9/00, 17/00-17/06, 25/00
B24B Grinding or polishing 1/00, 5/50, 7/20, 9/02-9/16, 9/20, 19/22, 31/112-31/116, 37/11-37/14, 37/20-37/24, 53/00-53/013, 53/017, 53/095
B24C Abrasive blasting 1/00, 1/04-1/08, 11/00
B24D Grinding tools 00/00-5/04, 5/14, 7/00-7/04, 7/14, 7/18, 11/00-11/04, 13/12, 17/00-18/00, 99/00
B25D Percussive tools 1/00, 17/26
B25G Handles 1/10-1/12
B26B Cutting tools 19/42, 21/58-21/60
B27D Working veneer or
plywood
00/00-1/00, 1/04, 5/00
B27K Staining, dyeing,
impregnation and
bleaching of wood and
similar materials
00/00-1/00, 3/00-3/04, 3/08, 3/12, 3/44-3/48, 5/00-9/00
B27L Debarking 3/00
B27N Manufacture of articles from wood-based materials 00/00-3/14, 5/00-9/00
B28B Shaping of clay, ceramic or cementitious material 00/00-1/00, 1/093, 1/14-1/26, 1/30-1/32, 1/54, 7/34-7/40, 7/44, 11/00, 11/04-11/06, 11/22-11/24, 17/02, 19/00-21/00, 21/02-21/04, 21/08, 21/92-21/94
B28C Preparing clay 00/00-1/10, 1/20-5/00, 5/40, 9/00-9/02
B28D Working stone 5/00
B29B Processing and
recycling of plastics
all groups
B29C Shaping or joining of
plastics
all groups
B29D Production of plastic articles all groups
B29K Molding material indexing scheme
associated with processing subclasses
B29B, C or D
00/00, 105/00-105/14, 105/20, 105/24-105/34
B29L Indexing scheme
associated with subclass B29C
all groups
B32B Layered products 00/00, 5/00-23/18, 25/00-25/12, 29/00-38/00, 38/06-38/18, 43/00
B33Y Additive manufacturing technology
all groups
B41C Processes for making or reproducing printing surfaces 00/00-1/00, 1/055-1/05, 1/10-1/12, 1/16, 3/00, 3/04-3/06
B41J Selective printing
mechanisms
2/005-2/02, 2/135, 2/16, 2/195-2/20, 2/315-2/325, 2/335-2/34, 2/385, 2/425, 2/435, 2/445, 2/46, 2/48, 17/34, 19/12, 27/04, 31/00-31/08
B41K Stamps; stamping or
numbering apparatus
1/38, 1/50
B41L Commercial apparatus
for printing or duplicating
1/36
B41M Printing and copying 00/00-1/42, 3/12, 5/00-5/128, 5/165-5/26, 5/34-5/36, 5/398-7/02, 99/00
B41N Printing plates or foils; materials for printing machine surfaces 00/00-1/00, 1/04-1/16, 1/20-6/02, 99/00
B42D Books 3/02, 25/00, 25/30, 25/324-25/333, 25/355-25/47, 25/48, 101/00-107/00, 113/00, 119/00
B44C Producing decorative
effects
00/00-1/00, 1/04, 1/16-1/22
B44D Painting or artistic drawing; preservation of paintings 00/00, 5/00, 7/00
B60B Vehicle wheels, castors and axles 1/08, 3/06, 5/00-5/02, 9/10, 9/16
B60C Vehicle tires 00/00-1/00, 7/10, 9/00, 9/12-9/16, 17/00, 17/10, 19/00-19/12, 99/00
B60R Vehicles and vehicle parts and fittings 13/00-13/08, 19/03, 19/18-19/22, 19/30, 21/217, 21/235, 21/26-21/272
B62K Cycles 19/02-19/06, 19/16
B62M Rider or powered propulsion of vehicles 6/80-6/90
B63B Ships 5/24
B63H Marine propulsion or steering 11/00, 11/09, 11/12-11/16
B64D Aircraft equipment 15/00, 15/06-15/10, 37/30-37/34
B64G Cosmonautics 1/46-1/48, 1/54, 1/58, 9/00
B65B Apparatus and methods
for packaging
00/00-1/00, 1/04, 1/20, 1/28-1/30, 3/00, 3/04, 3/22, 3/26, 31/00, 31/10, 55/00-55/04, 55/08-55/12, 55/16-55/19, 55/22
B65C Labelling apparatus and processes 5/00-5/04
B65D Containers for storage
or transport
00/00-1/00, 1/26-1/28, 5/56, 5/62, 6/00, 8/00, 13/00-13/02, 19/08, 19/18, 19/28, 19/32, 23/02, 23/08, 25/14, 25/34, 27/14-27/18, 30/00-30/04, 33/18-33/22, 35/06-35/08, 39/18, 41/12-41/14, 41/18, 41/24, 41/42-41/44, 41/48, 41/54, 53/00-53/10, 63/02, 63/10, 65/00, 65/38, 65/46, 81/24-81/30, 85/84, 88/26, 88/72, 90/30, 90/34, 90/38-90/44
B65F Gathering or removal of domestic refuse 7/00
B65G Transport or storage
devices
3/00-3/04, 15/32-15/34, 15/38, 47/58, 47/62, 53/00, 53/04-53/30, 69/00-69/02, 69/06, 69/10-69/12, 69/18-69/20
B65H Handling of thin or
filamentary material
71/00
B67B Opening or closing
containers
1/03
B67C Liquid filling or emptying of containers 3/10
B67D Dispensing liquids 5/00-5/04, 7/00-7/06, 7/32, 7/36, 7/42-7/48, 7/52-7/54, 7/58-7/82, 9/00-9/02, 99/00
B68G Methods and equipment
in upholstery
1/00-3/02, 5/00-5/02, 11/00-11/02, 11/04
B81B Microstructural devices or systems all groups
B81C Manufacture or treatment of microstructural devices or systems all groups
B82Y Application, analysis and treatment of nanostructures all groups
B99Z Subject matter not
otherwise provided for
all groups
C: CHEMISTRY; METALLURGY
C02F Treatment of water,
wastewater, sewage or
sludge
00/00-1/26, 1/30-1/40, 1/48, 1/74, 3/00-3/34, 7/00-9/06, 9/10-11/12, 11/16-103/44
C03B Manufacture, shaping
or supplementary
processes for glass,
mineral or slag wool
00/00-7/22, 9/00-37/012, 37/02-40/04
C03C Chemical compositions
and surface treatment
of glass, mineral or slag wool
19/00, 25/10-25/22, 25/50-25/64, 25/68-29/00
C04B Lime, magnesia, cements, ceramics, and refractories 7/36-7/52, 18/00-20/12, 111/30-111/94
C05F Organic fertilizers all groups
C06B Explosives or thermic
compositions
00/00, 21/00
C06C Detonating or priming
devices, fuses, chemical lighters and pyrophoric compositions
00/00-9/00
C06F Matches and their
manufacture
00/00-1/26, 5/00-5/04
C09H Preparation of glue or
gelatin
1/00-1/04, 9/00-9/04
C09J Adhesives 5/00-7/04
C09K Materials for miscellaneous applications 3/00-3/32, 15/34-17/00, 17/04, 17/10, 17/32-17/34, 17/52, 101/00-109/00
C10B Destructive distillation of carbonaceous materials all groups
C10C Work-up of tar, pitch,
asphalt or bitumen
00/00-1/06, 1/14-1/19, 3/00, 3/06-3/18
C10F Work-up or drying of peat all groups
C10G Petrochemistry 7/12, 9/04, 9/08-9/32, 9/40-9/42, 21/30, 71/02, 99/00
C10J Production of fuel gases 00/00, 3/22-3/44, 3/50-3/52, 3/72-3/86
C10L Fuels 5/42-5/48, 11/06-11/08
C10N Indexing scheme
associated with subclass C10M
20/06, 40/00-40/25, 40/30-50/10
C11C Fatty acids and chemical modification of fats, oils or fatty acids 5/00-5/02
C11D Detergent compositions
and soaps
13/10-13/28, 17/00-17/08
C12C Brewing of beer all groups
C12F Recovery of byproducts of fermented solutions 3/06-3/10
C12G Wine and other alcoholic beverages 00/00-1/02, 1/024-1/036, 1/06-1/09, 3/00-3/10, 3/14
C12H Pasteurization,
sterilization, preservation,
purification, etc., of
alcoholic beverages
00/00-1/02, 1/06-1/08, 1/12, 1/16-1/22
C12J Vinegar and its preparation 1/08
C12L Pitching or depitching machines all groups
C12M Apparatus for enzymology or
microbiology
all groups
C12N Microorganisms and
enzymes
00/00-1/06, 1/10, 1/12, 1/14, 1/16-1/18, 1/20, 1/34-1/36, 3/00-5/095, 7/00, 7/02-7/04, 7/08, 13/00
C12Q Enzyme- and
microorganism-based
measuring or testing
methods
00/00-1/24, 1/64, 1/70-3/00
C12R Indexing scheme
associated with subclasses C12C to
C12Q or C12S
all groups
C12S Enzyme- and
microorganism-based
processes for liberation, separation or purification of compounds
00/00, 3/00, 3/06, 3/10-3/12, 3/22-3/24, 7/00-13/00, 99/00
C13B Sucrose production and apparatus all groups
C13C Cutting mills; pulp presses all groups
C13D Production or purification of sugar juices 00/00-1/14

C13F
Preparation or processing of raw sugar, sugar or syrup all groups
C13G Evaporation apparatus;
boiling pans
all groups
C13H Cutting machines for sugar all groups
C14B Mechanical treatment
or processing of leather
all groups
C21B Manufacture or iron
and steel
00/00, 3/08-3/10, 5/06-13/14
C21C Processing or pig iron 00/00-1/00, 1/06-5/04, 5/28-5/35, 5/38-5/52, 5/56-7/00, 7/10
C21D Metallurgy of ferrous
metals
00/00-1/55, 1/62-1/70, 1/767-1/84, 5/02, 7/00-11/00
C22B Production and
refining of ferrous
and nonferrous metals
1/26, 9/193
C22C Alloys 47/12, 47/20
C23C Coating and surface
treatment of metallic
materials
00/00, 2/14-4/02, 4/12-6/00, 14/50-14/52, 14/56, 16/50-16/517
C23D Enamelling or vitreous
layer application to metals
00/00, 9/00-9/10, 13/00-17/00
C23F Surface treatment or
corrosion and incrustation inhibition of metallic materials
1/08, 13/18-13/22
C23G Chemical cleaning or
degreasing of metallic
materials
3/00-3/04
C25B Electrolytic or electrophoretic
processes for production of compounds or nonmetals
00/00, 9/00-9/04, 9/18-9/20, 15/00-15/06
C25C Electrolytic production, recovery or refining of metals 3/08-3/10, 3/14-3/16, 3/20-3/22, 7/00-7/06
C25D Electrolytic and
electrophoretic
processes for
production of coatings
and electroforming
00/00-1/10, 2/00, 7/00-7/12, 13/12-13/16, 13/22, 17/00-17/28, 21/00-21/10, 21/12
C25F Electrolytic removal
of materials from objects
7/00-7/02
C30B Crystal growth 13/14-13/32, 15/06-15/36, 19/06-21/06, 23/04-23/06, 25/08-27/02, 29/60-30/08, 31/10-35/00
C99Z Subject matter not
otherwise provided
all groups
D: TEXTILES; PAPER
D01B Mechanical treatment
of natural fibers
all groups
D01C Chemical treatment of
natural filamentary or
fibrous material to obtain filaments or fibers for spinning
1/04
D01D Manufacture of
artificial filaments
all groups
D01F Chemical features in
manufacture of artificial fibers and filaments
9/133, 9/32
D01G Pretreatment of fibers all groups
D01H Spinning or twisting all groups
D02G Crimping or curling of fibers all groups
D02H Warping, beaming or
leasing
all groups
D02J Finishing of filaments all groups
D03C Shedding mechanisms;
pattern cards
all groups
D03D Woven fabrics; weaving
methods; looms
all groups
D03J Auxiliary weaving
apparatus
all groups
D04B Knitting all groups
D04C Braiding; lace manufacture all groups
D04D Trimmings; ribbons; tapes; bands all groups
D04G Making nets by knitting all groups
D04H Making of textile fabrics all groups
D05B Sewing all groups
D05C Embroidering; tufting all groups
D06B Treatment of textiles by liquids, gases or vapors all groups
D06C Finishing of textiles all groups
D06F Laundering; drying;
ironing; pressing
all groups
D06G Mechanical or pressure
cleaning of carpets
all groups
D06H Marking or severing of textiles all groups
D06J Textile pleating, kilting or goffering all groups
D06M Miscellaneous textile
and fiber treatment
10/00-10/02, 11/84, 13/52-13/535, 15/70-15/715, 23/00-23/18
D06N Covering materials for
walls, floors and roofs
1/00, 3/16, 5/00-7/06
D06P Dyeing or printing of
textiles, leathers, furs or macromolecular materials
5/20
D06Q Decoration of textiles all groups
D07B Ropes or cables all groups
D21B Fibrous raw materials all groups
D21C Cellulose production and pulping liquor regeneration 1/10, 3/22-9/08, 9/18
D21D Material treatment prior to the papermaking machine all groups
D21F Papermaking machines all groups
D21G Calenders all groups
D21H Pulp compositions and
impregnating or coating of paper
11/08-11/18, 15/00-17/02, 19/00-19/08, 19/72-19/78, 19/84-21/12, 21/40-27/42
D21J Fiberboard all groups
D99Z Subject matter not
otherwise provided for
all groups
E: FIXED CONSTRUCTIONS
E01B Permanent way 3/28, 3/44-3/46, 7/26, 11/46-11/52, 31/12-31/20, 31/24

 

E01C Road construction or
surfaces
00/00, 3/00, 3/02-9/00, 9/04-11/12, 11/16-11/20, 11/24-15/00, 19/00, 19/02, 19/08-19/12, 19/16, 21/00-21/02
E01D Bridges 19/08, 101/00-101/40
E01H Street cleaning 3/00, 5/00, 8/00-8/04, 8/10, 10/00-15/00
E02B Hydraulic engineering;
foundations
3/16, 15/04-15/10
E02D Foundations 1/00-3/001, 3/054, 3/10-3/12, 5/04, 5/10, 5/18-5/20, 5/28-5/30, 5/46, 5/62-5/64, 15/00-15/06, 17/20-19/00, 19/06, 19/16-19/20, 23/14, 27/26, 27/32-27/52, 29/09, 29/16-31/14, 37/00
E03B Water distribution
methods and networks
00/00-3/02, 3/04-3/36, 7/00
E03C Domestic plumbing 1/046, 1/10
E03D Water-closets or urinals 1/01, 9/02, 9/10-9/12
E03F Sewers; cesspools 3/04, 5/14-5/18, 5/24
E04B General building construction 00/00-1/16, 1/20, 1/22-1/30, 1/62-1/98, 2/10, 2/20, 2/24-2/26, 2/34, 2/38-2/40, 2/48, 2/52-2/54, 2/92-2/94, 5/32, 5/44, 7/22
E04C Structural elements
and building materials
00/00-2/296, 3/00, 3/04, 3/20, 3/26-3/293, 3/32-3/36, 3/40, 3/44-5/07, 5/18-5/20
E04D Roof coverings 00/00-1/22, 3/00-3/35, 5/00-5/10, 7/00-11/02
E04F Finishing work on
buildings
10/02, 11/104-11/17, 13/00-13/02, 13/12-13/18, 15/00, 15/04-15/12
E04G Scaffolding forms 9/04-9/06, 21/00-21/02, 21/32, 23/02
E04H Buildings or like structures 4/10, 7/00-7/30, 12/02, 12/08, 12/12
E05B Locks; keys; door fittings 15/16, 19/26
E05G Safes or strong rooms 1/12-1/14
E06B Doors; windows; shutters 1/12, 1/24-1/26, 1/32, 1/58, 3/08, 3/12, 3/18-3/20, 3/54-3/56, 3/76-3/78, 3/86, 5/06-5/08, 5/12-5/18, 7/22-7/232
E21B Earth drilling; recovery of oil, gas, water, soluble materials or mineral slurries from wells 00/00, 10/22, 10/24-10/25, 21/00-21/01, 21/06-21/08, 21/14-21/16, 25/08, 29/02, 33/00-33/02, 33/10-33/12, 33/13, 33/138-33/14, 35/00, 37/00, 37/06-37/08, 41/00, 43/00, 43/1185, 43/12-43/295, 43/32-43/40, 47/0005, 47/047, 47/053, 47/11, 49/00, 49/08-49/10
E21C Mining or quarrying 35/22, 37/00, 37/06, 37/12-37/20, 37/26, 41/00, 41/16-41/32, 50/00, 51/00
E21D Shafts; tunnels; galleries 1/10, 1/16, 5/00-5/012, 5/04-5/06, 5/11, 11/00, 11/04, 11/38
E21F Mine safety devices 00/00, 5/00-7/00, 17/00
E99Z Subject matter not
otherwise covered
all groups
F: MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F01B Positive-displacement
machines or engines
31/02, 31/08-31/10, 31/16
F01C Rotary-piston or
oscillating-piston
machines or engines
19/00-19/12, 21/04-21/06
F01D Non-positive displacement machines or engines 11/00-11/12, 17/00-17/02, 17/08, 21/10, 21/14, 25/02, 25/08, 25/12, 25/22
F01K Steam engine plants 5/00-5/02, 17/00-19/00, 25/00-27/02
F01L Cyclically operating valves for machines 3/02-3/04, 3/12-3/18, 7/16
F01M Lubricating of machines or engines 00/00, 3/00-9/04, 9/08-9/12, 11/08-11/10
F01N Gas-flow silencers or
exhaust apparatus for
machines or engines
00/00, 1/04, 1/10, 1/24-3/28, 5/00-5/02, 7/00, 7/14-7/16, 9/00-11/00, 13/00-13/20, 99/00
F01P Cooling of machines
or engines
1/00, 3/00, 3/22, 7/14, 9/00-9/02, 9/06, 11/06
F02B Internal-combustion
piston engines
1/06, 1/10, 1/14, 3/04, 3/08, 3/12, 5/02, 7/04, 7/08, 9/04, 13/10, 27/00-27/06, 39/14, 43/02-43/04, 43/08-45/02, 45/06-47/10, 51/00-53/02, 53/12, 55/00, 57/00, 59/00, 69/00-69/04, 75/08-75/12, 77/00-77/04, 77/11-77/13
F02C Gas-turbine plants;
jet-propulsion plants
1/00-1/04, 1/06-3/00, 3/20-3/30, 3/34-5/00, 5/06, 5/10, 6/04-6/06, 6/10, 7/12-7/141, 7/16-7/18, 7/24-7/25, 7/264, 7/30, 9/40
F02D Controlling combustion
engines
00/00, 19/00-21/06, 33/00-35/02
F02F Cylinder, pistons or
casings for combustion
engines
1/12, 3/16-3/18, 3/22
F02K Jet-propulsion plants 9/00-9/22, 9/26, 9/42, 9/70-9/72
F02M Fuel supply of combustion engines 7/16-7/17, 17/40, 25/00-27/08, 99/00
F02N Starting of combustion engines and aids 19/00-19/10, 99/00
F02P Ignition 23/00-23/04
F03G Spring, weight or inertia motors 1/02-1/04, 4/00-4/06, 6/00-7/10
F03H Producing a reactive
propulsive thrust
all groups
F04B Pumps; positive
displacement machines
for liquids
15/00-15/08, 37/00-37/14, 39/02-39/04, 53/18
F04C Rotary-piston or oscillating-piston
machines and pumps
25/02, 27/02, 29/02
F04D Non-positive displacement pumps 7/00-7/08, 19/04, 29/02, 29/06-29/08
F04F Pumping of fluid by direct contact of another fluid or by inertia 1/14-1/16, 5/36-5/40, 9/00-9/02, 9/06
F15B Systems acting by means of fluids 21/04-21/06
F15C Fluid circuit elements for computing or control 1/06
F15D Fluid dynamics 1/00-1/02
F16B Devices for fastening or securing 2/22-2/26, 33/06
F16C Shafts; bearings; rotary bodies 1/24, 3/14, 27/06, 33/00-33/24, 33/44, 33/56, 33/62-33/78
F16D Clutches; brakes; couplings for transmitting rotation 3/19, 3/56-3/58, 3/66-3/68, 3/74, 3/77, 3/79, 13/74, 69/00-69/04
F16F Springs; shock absorbers 1/02, 1/36, 1/366, 1/37, 3/02, 3/08-3/093, 15/06, 15/08, 15/121, 15/124, 15/133, 15/136, 15/305
F16G Belts, cables or ropes 1/04-1/16, 5/04-5/14, 9/04
F16H Gearing 15/01, 41/32, 55/06, 55/48, 57/032, 59/72, 61/50
F16J Pistons; cylinders;
pressure vessels
1/01-1/02, 9/26-9/28, 15/00-15/16, 15/20, 15/28-15/30, 15/38-15/40, 15/44-15/453, 15/54-15/56
F16K Valves; taps; cocks 1/32, 1/44, 3/30, 3/36, 5/08, 5/22, 17/00, 25/00, 25/04-27/06, 27/08-27/12, 99/00
F16L Pipes; general means
for thermal insulation
9/00, 9/02-9/16, 9/21, 11/00-11/20, 11/24-11/26, 13/02, 13/08-13/12, 17/067-17/08, 23/026, 23/16-23/24, 26/032, 27/06-27/067, 33/34, 47/00-47/03, 47/20-47/24, 55/164-55/1645, 55/175, 58/00-59/02, 101/00, 101/10-101/18
F16N Lubricating 00/00, 15/00-17/06, 35/00, 39/00-99/00
F17C Vessels for storing
or containing compressed, liquified
or solidified gases
00/00-13/02, 13/10-13/12
F17D Pipelines and systems 1/00-1/05, 1/08-3/18
F21H Incandescent mantles all groups
F21K Light sources 00/00-5/12, 5/18, 7/00, 99/00
F21V Features or details of lighting devices 00/00, 1/14-3/00, 3/04, 7/22-9/16, 15/01, 15/06, 29/00, 29/15, 29/51-29/60, 29/70, 29/85-29/89, 31/04, 37/00, 99/00
F22G Superheating of steam 1/14
F22B Steam generation; steam boilers 00/00-1/06, 1/16-1/22, 1/30-3/08, 37/04, 37/48
F22G Superheating of steam 1/12-1/14
F23B Solid-fuel combustion
apparatus and methods
00/00, 10/00-10/02, 30/00-30/02, 40/00, 50/00, 60/00, 70/00-80/02, 90/00-99/00
F23C Fluent-fuel combustion
apparatus
00/00-1/12, 9/00-101/00
F23D Burners 1/00, 3/00, 5/00, 7/00-11/00, 14/00, 14/18, 17/00, 21/00, 99/00
F23G Waste incineration 00/00, 5/00-5/027, 5/12-5/18, 5/30, 5/48, 7/00-7/14
F23J Removal or treatment
of combustion products
or residues
00/00-1/00, 1/08-3/00, 3/04-9/00, 13/02, 15/00-15/04, 99/00
F23K Fuel feeding to combustion apparatus 1/00-1/02, 5/08-5/12
F23M Constructional details
of combustion chambers
5/00
F23N Regulation or control of combustion 00/00, 5/00-5/14, 5/24-5/26
F23Q Ignition 00/00, 2/30, 2/44-2/48, 11/00-13/00
F23R Generation of high pressure or high velocity combustion products 3/40
F24F Air conditioning 3/12, 3/16-5/00
F24J Production or use of heat 00/00-1/00, 2/28, 2/34, 2/42, 2/46-2/51, 3/00, 3/08
F25B Refrigeration plants,
machines or systems
00/00, 9/00-9/14, 15/00-17/02, 17/08-25/02, 30/00, 30/02-30/04, 35/00-37/00, 43/00-43/04,
47/00
F25D Refrigerators; cooling
or freezing apparatus
5/00-5/02
F25J Liquefaction, solidification or separation of gases by
pressure and cold
treatment
all groups
F26B Drying solid materials all groups
F27B Furnaces, kilns, ovens
or retorts
00/00-1/00, 3/00, 5/00, 7/00, 14/00, 15/00, 17/00-17/02
F27D Details of kilns,
furnaces and retorts
00/00-1/10, 1/16, 7/00-7/02, 7/06, 23/00, 27/00, 99/00
F28B Steam or vapor condensers all groups
F28C Direct-contact heat
exchangers
all groups
F28D Other heat exchangers 00/00-13/00, 15/06-21/00
F28F Details of heat-exchange or heat-transfer apparatus 00/00-21/00, 21/04, 23/00-99/00
F28G Surface cleaning of heat exchangers all groups

F41A
Features of small arms and ordnance 1/00-1/04, 21/00-21/04, 21/20-21/22, 29/04, 99/00
F41H Armour 00/00-1/08, 5/00-5/007, 5/02-5/08, 9/00-9/10, 11/12-11/138, 13/00
F41J Targets 00/00-1/01, 5/24-5/26
F42B Explosive charges 00/00-1/04, 3/10, 3/107-3/11, 3/13, 3/185, 3/192-3/195, 3/24, 3/28-4/00, 4/30, 5/145-5/15, 5/16-5/18, 5/188-5/196, 5/26-5/28, 5/295-5/313, 7/06, 8/16, 12/00, 12/36-12/50, 12/70-12/82, 14/04, 15/34, 19/20, 23/08, 23/14, 33/00-33/10, 33/14, 39/14-39/18, 99/00
F42C Ammunition fuses 00/00, 9/08-9/12, 11/02, 15/30-15/31, 15/36-15/38, 19/08-19/09, 99/00
F42D Blasting 1/24-1/28
F99Z Subject matter not
otherwise provided for
all groups
G: PHYSICS
G01B Measurement of length,
thickness or linear
dimensions
1/00
G01D Measuring not adapted
for a specific variable
15/06, 15/10-15/16, 15/20, 15/34
G01F Measuring volume, flow or level 00/00-1/52, 1/56-1/58, 1/64-1/68, 1/708-3/00, 11/00, 13/00, 15/14, 17/00, 22/00
G01J Measurement of properties of IR, visible or UV radiation 00/00-1/02, 1/38, 1/42-1/54, 1/58, 3/00-3/51, 4/00
G01K Measurement of temperature 00/00, 1/08-1/12, 5/00-5/02, 5/12, 5/28, 5/32, 5/48, 5/64-5/66, 5/70, 7/00-7/08, 7/18, 7/22, 7/26, 7/32-7/36, 7/40, 11/00-11/20, 11/30-13/08, 13/12, 17/00-17/04, 19/00
G01L Measuring force, stress, torque, or work 7/00, 11/00, 21/00, 23/00
G01M Testing static or
dynamic balance
3/00, 3/20-3/22, 15/00-15/05, 15/10
G01N Analyzing materials by
determining their
chemical and physical
properties
00/00-1/02, 1/10, 1/14-1/44, 3/28, 3/40, 3/56-3/60, 5/00-7/20, 9/00-9/06, 9/24-11/08, 11/14, 13/00-15/04, 15/06-19/04, 19/10-21/359, 21/39-21/552, 21/59-21/85, 21/88-21/89, 21/90-21/95, 21/958-22/00, 22/04-23/12, 23/20-25/58, 25/62-25/64, 25/70, 27/00-27/18, 27/22, 27/26-27/453, 27/60, 27/62-27/76, 27/92-29/036, 30/00-30/96, 33/00-33/14, 33/18-33/48, 33/554-33/559, 33/569-33/571, 33/574-33/579, 35/00-37/00
G01Q Scanning-probe methods and apparatus; applications all groups
G01R Measurement of electric and magnetic variables 13/00, 13/12-13/16, 22/02-22/04, 33/00, 33/12-33/20, 33/28-33/30, 33/32, 33/44-33/50, 33/60-33/64
G01T Measurement of nuclear
or x-radiation
00/00-1/10, 1/11-1/142, 1/16-1/163, 1/167-1/17, 1/178-1/205, 1/22-7/06
G01V Geophysics 5/00-5/14, 9/00, 11/00
G02B Optical elements,
systems or apparatus
00/00-3/00, 5/00, 5/08, 5/18-6/036, 6/10-6/122, 6/13-6/27, 6/293, 21/00, 21/33, 26/00
G02F Optical devices all groups
G03C Photosensitive materials and processes in
photography
00/00, 1/025, 1/74, 1/765, 1/785, 1/805-1/81, 1/91, 1/95-5/18, 5/28-5/29, 5/60, 7/04-7/24, 7/46, 8/30, 8/34, 8/40-8/50, 9/00-11/24
G03F Photomechanical
production of textured
or patterned surfaces
00/00-7/00, 7/09-7/18, 7/26-7/42
G03G Electrography and
electrophotography
00/00-5/05, 5/082-5/087, 5/10-5/16, 13/00-21/00, 21/04-21/10
G03H Holographic processes
or apparatus
00/00-1/12, 1/18, 3/00-5/00
G04B Mechanical clocks
and watches
19/12, 19/32, 31/004-31/016, 31/08, 37/02, 3/22-39/02
G04F Time-interval measuring 5/14-5/16
G05B Control or regulating systems all groups
G05D Control systems for
non-electic variables
all groups
G05F Systems for regulating electric or magnetic variables all groups
G05G Control devices or systems characterized by mechanical features all groups
G06F Electric digital data processing 00/00, 17/00, 19/00-19/28
G06G Analog computers 7/48, 7/54-7/58, 7/75
G06K Data recognition; record carriers 19/02
G07D Sorting, testing, or changing currency 7/00, 7/06, 7/12-7/14
G08B Signaling or calling
systems
17/00, 17/08-17/11, 17/117-17/12, 21/00, 21/12-21/16
G09B Educational or
demonstration devices
23/00, 23/06, 23/12, 23/16-23/20, 23/24-23/28
G09F Displaying; signs; labels 9/305-9/35, 13/20-13/22
G09G Control of indicating
devices
3/08, 3/12-3/14, 3/18-3/19, 3/24, 3/28-3/2813, 3/30-3/38
G10K Sound-producing devices 11/162-11/168
G11B Information storage
00/00, 3/68-3/70, 5/00, 5/004-5/02, 5/10, 5/11-5/235, 5/255-5/41, 5/62-5/858, 7/00-7/013, 7/123-7/1245, 7/125, 7/127-7/131, 7/1353-7/1376, 7/1384, 7/22-11/14, 11/18-13/08
G11C Static stores 11/00, 11/02-11/06, 11/14-11/18, 11/21-11/28, 11/34-11/38, 11/40, 11/404, 11/42-11/46, 11/54-15/06, 17/00-17/16, 19/00-19/02, 19/08, 19/14-19/32, 19/36
G12B Details of instruments 21/00-21/08
G21B Fusion reactors
all groups

G21C

Nuclear reactors 00/00-3/40, 5/00-19/40, 21/00-23/00

G21D

Nuclear power plant all groups

G21F

Radiation protection;
decontamination

 

all groups

G21G

Conversion of chemical
elements and radioactive sources

 

4/00-7/00

G21H

Energy from radioactive sources

 

all groups

G21J

Nuclear explosives all groups

G21K

Techniques for handling of particles or radiation
all groups
G99Z Subject matter not
otherwise provided for
all groups
H: ELECTRICITY
H01B Cables, conductors,
insulators and dielectrics
00/00, 5/00, 5/14-5/16, 7/17-7/22, 7/28-7/295, 9/00-9/02, 12/00-12/02, 12/04-12/14, 13/00-13/016, 13/06-13/16, 13/22-13/26, 13/30-13/32, 15/00-17/00, 17/30-17/36, 17/50, 17/56-19/04

H01C

Resistors 00/00, 7/00-7/105, 7/12-7/13, 7/18-7/22, 10/00-10/02, 11/00-13/00, 17/00-17/30

H01F

Magnetic materials and
inductors
00/00, 1/03, 5/00, 6/00-7/02, 7/128, 10/06, 10/32, 27/00-27/02, 27/08-27/255, 27/32, 27/36, 41/00-41/06, 41/12-41/34

H01G

Capacitors 00/00, 2/10, 4/00-4/224, 4/33, 5/00-5/014, 7/00-9/02, 9/04, 9/048-9/058, 9/07-9/08, 9/145-9/155, 9/20-13/00, 13/04-17/00
H01H Electric switches 00/00-1/10, 1/66, 3/62, 9/00-9/04, 9/30-9/36, 11/00-11/06, 13/04-13/06, 13/10, 13/70-13/704, 13/78-13/785, 19/04-19/08, 21/04, 21/08, 21/12, 23/04-23/08, 29/00, 29/04-29/06, 33/04-33/10, 33/22, 33/57, 33/66, 33/664, 33/76, 33/82, 33/84, 33/867, 33/91, 33/92, 33/95-33/96, 33/985-33/99, 69/00, 69/02, 71/16-71/20, 85/00, 85/04-85/041, 85/05-85/08, 85/11, 85/143, 85/165-85/17, 85/18-85/20, 85/38-85/43, 87/00

H01J

Electric discharge tubes or discharge lamps 00/00-1/05, 1/12-1/14, 1/15-1/74, 1/78-1/90, 3/40, 5/04-5/10, 5/20-5/30, 7/00-7/12, 7/18-7/20, 7/28, 7/40, 9/00-9/04, 9/08, 9/12-9/14, 9/20-9/24, 9/28-9/30, 9/38-9/395,
9/42, 9/50-11/02, 11/10-11/54, 13/00-13/08, 13/16, 13/22, 13/26-13/28, 15/00-15/02, 17/00-17/12, 17/18-17/26, 17/32, 17/38, 17/49-17/50, 19/00-19/06, 19/08, 19/12-19/20, 19/24-19/36, 19/40-19/44, 19/50, 19/54-19/58, 19/68-19/70, 21/20, 23/02, 23/04-23/05, 27/00-27/08, 27/14-27/16, 27/29-29/32, 29/36-29/39, 29/44, 29/48, 29/84-29/86, 29/88, 29/94, 31/00, 31/08, 33/00, 35/00-35/08, 35/20, 37/00-37/06, 37/073-37/09, 37/244, 37/252, 37/26-37/295, 37/317-40/06, 40/10, 40/16-40/18, 41/00-43/04, 43/22, 45/00-47/12, 49/00-49/18, 49/26-49/30, 49/34-49/36, 49/40-61/12, 61/24-61/28, 61/35, 61/38-61/50, 61/54, 61/58-61/64, 61/70-61/76, 61/80, 61/98-99/00
H01K Electric incandescent
lamps
00/00-1/12, 1/18-1/20, 1/26-1/28, 1/32, 1/40, 1/50-1/56, 3/02, 3/22

H01L

Semiconductor devices all groups

H01M

Processes or means
(e.g., batteries) for
direct conversion of
chemical energy into
electrical energy
00/00-4/12, 4/14-4/23, 4/62-4/84, 6/02, 6/08-6/12, 6/22, 6/30-8/04, 8/24-16/00
H01P Waveguides 00/00-1/00, 1/08-1/11, 1/14-1/16, 1/165, 1/18-1/185, 1/20-1/207, 1/215-1/23, 3/00, 3/10-3/12, 3/14-3/18, 7/00, 7/10, 11/00

H01Q

Aerials 1/00, 1/38-1/40, 15/08, 19/09
H01R Electrically conductive connections 00/00-4/04, 4/22, 4/58-4/64, 4/68-4/72, 13/00-13/03, 13/46-13/50, 13/52, 13/527-13/533, 13/6474, 13/6477, 13/658-13/6581, 13/6583-13/6585, 13/6598-13/6599, 13/7193, 39/18-39/26, 39/30, 43/06, 43/10-43/12
H01S Devices using stimulated emission 00/00-3/067, 3/08, 3/09-3/10, 3/102-3/115, 3/13-3/134, 3/14-5/00, 5/028-5/068, 5/0687-5/50
H01T Spark gaps; corona
devices
00/00-1/02, 1/08-1/10, 1/18-1/24, 13/00-13/02, 13/06-13/08, 13/14, 13/20, 13/38-13/39, 13/41, 19/00, 23/00
H02B Boards, substations or switching arrangements 1/26-1/28, 5/06, 7/01, 11/04, 13/055
H02K Dynamo-electric machines 1/02-1/04, 3/02, 3/30, 3/44, 5/02, 15/10-15/12, 44/08-44/10
H02N Electric machines not
otherwise provided for
3/00-6/00, 11/00
H02S
Generation of electric power via photovoltaic modules
00/00-10/40, 20/26, 40/00-40/10, 40/20-40/22, 40/38-99/00
H03H Impedance networks; resonance 9/00-9/02, 9/15-9/25, 9/46, 9/54-9/58, 9/62-9/64
H05B Electric heating; electric lighting 00/00, 3/03-3/04, 3/08-3/14, 3/18, 7/00-7/09, 7/16-7/22, 31/00-31/02, 31/06-31/16, 33/00-33/04, 33/10-35/00
H05F Static electricity 1/00-1/02
H05G X-ray technique 00/00-1/00, 2/00

H05H

Plasma technique;
production of charged
particles, neutrons or
atomic or molecular
beams
00/00-1/02, 1/08, 1/12, 1/24-1/26, 1/34, 1/54-6/00, 9/00-15/00

H05K

Printed circuits;
manufacture of
electric component
assemblies
00/00-3/18, 3/22-3/46, 9/00
H99Z Subject matter not
otherwise provided for
all groups

 



 

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