Ongoing CPC projects (as of 12 May 2023)

The CPC areas currently undergoing maintenance (MP) or revision (RP) are listed in the table below together with the corresponding project number. The outcome of these projects will be summarized in a Notice of Change pre-released one month before the corresponding changes are implemented in the CPC scheme.



Project  Status CPC Title
RP10470 Active A01G Soilless cultivation, hydroponics
RP11659 Active A01K, A61D Animal husbandry
RP11508 Active A23V, A23Y Food compositions
MP11897 Active A61B Removal of non limiting references from scheme
RP10481 Active A61B Other methods or instruments for diagnosis
MP12032 Active A61B, F03B, F03G, F25B [Housekeeping]
RP11524 Active A61H PHYSICAL THERAPY APPARATUS...
RP11991 Active A61J CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES
MP11788 Active A61K Definitions change in A61K35
MP11792 Active A61K Gene therapy
RP11515 Active A61K PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
RP11670 Active A61K A61K36 Adding Cannabaceae groups
RP11785 Active A61K Changes to A61K41
MP11853 Active A61K, B01J, C01B, C01G, C04B, C07F, C07K, C09F, C12C, H01J, H04L [IPC2024.01] Review of the use of abbreviations in the IPC
RP10468 Active A61K, Y10S Bacterial antigens
RP11946 Active A61M Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way
RP10476 Active B01D Selective adsorption, e.g. chromatography
RP11519 Active B01D Deletions of B01D23, 29/0002-29/009, 2033/07, and 35/08
MP10332 Active B01J [C-SETS]
RP11802 Active B01J CHEMICAL OR PHYSICAL PROCESSES
MP12027 Active B03C MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
RP11745 Active B05B Spraying apparatus
MP11749 Active B23B Chucks
RP10457 Active B23D, B27B, B27G, Y10T Saws
RP11669 Active B32B, D01D, D04H Deleting outdated Warnings and not used groups in D04H
MP11965 Active B41J Typewriters; Selective Printing Mechanisms
RP11529 Active B41J TYPEWRITERS; SELECTIVE PRINTING MECHANISMS
RP10471 Active B60N Seats specially adapted for vehicles
MP12037 Active B60S SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
RP11518 Active B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
RP10482 Active B61L Train control systems
RP11777 Active B64G Cosmonautics; Vehicles or equipment therefor
RP11836 Active C04B Fillers for mortars, concrete or artificial stone
MP11852 Active C07G C07G scheme and definition changes
MP10336 Active C07K Hybrid Peptides
RP11530 Active C07K Peptides: Peptides having more than 20 amino acids, and Immunoglobulins; Ion Channels C07K14
RP11531 Active C07K Immunoglobulins from Acinetobacter and Cytomegalovirus C07K16
RP12030 Active C08G Polysiloxanes C08G77
RP11790 Active C11D Detergents
RP11657 Active C12N C12N9 IPC alignment
MP12083 Active C21B, C21C NLR in C21B and C21C
RP11672 Active C21D Definitions for "warm rolling" vs. "hot rolling" vs. "cold rolling"
MP12028 Active D21F PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
RP10483 Active E04B, E05B, F16B Structures characterised by movable, separable, or collapsible parts, e.g. for transport
RP11523 Active E05F DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION...
RP11845 Active E05Y INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05B AND E05C
MP11966 Active E21B Earth Drilling
RP10450 Active F02B INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
RP11800 Active F03D Wind motors
MP11967 Active F15D Fluid Dynamics
MP12071 Active F15D [IPC2024.01] Proposals for improving the IPC - Mechanics
RP12078 Active F16B, Y10T DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS, WEDGES, JOINTS OR JOINTING (couplings for transmitting rotation F16D)
RP10485 Active F16H GEARING
MP12108 Active F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
RP11961 Active F21S Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
RP10479 Active G01N Clean up of CPC-only groups in G01N33 and G01N37
RP10466 Active G06F Arrangements for program control, e.g. control units
RP11517 Active G06F Security arrangements for protecting computers
MP12101 Active G06F, G06V [IPC2024.01] Pattern recognition
MP11841 Active G06Q [IPC2024.01] Proposals for improving the IPC - Electricity, Physics
RP11977 Active G06T 2D image generation
MP12098 Active H01L Arrangements for connecting or disconnecting semiconductor or solid-state bodies
MP11842 Active H03F [IPC2024.01] Removal of NLR
MP11843 Active H03G [IPC2024.01] Removal of NLR
RP11516 Active H04J Optical multiplex systems
RP11979 Active H04N Picture signal generation
RP11833 Active H04W Wireless channel access, e.g. scheduled or random access
RP10453 Active H05B Circuit arrangements for operating light sources in general
RP11898 Active H05G X-ray apparatus involving X-ray tubes; Circuits therefor
RP11854 Active H05K REMOVE DUMMY GROUPS
RP11780 Active H10N ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
MP12070 Active various [IPC2024.01] Correction of obvious errors
RP11818 Active Y10S Deletion of Y10S 244/90-Y10S 244/905