Ongoing CPC Projects

The CPC areas currently undergoing maintenance (MP) or revision (RP) are listed in the table below together with the corresponding project number. Once finalized, the outcome of these projects will be summarized in a Notice of Change to be published one to two months before the corresponding changes are implemented in the CPC Scheme.


Project Status CPC Title
MP0514 Active A01C [IPC2022.01][M238] Remove NLR from and introduce DEFS into CPC
RP0258 Active A01K73/00,75/00,77/00,83/00,85/00,87/00 Angling
MP0503 Active A01N [C-SETS] A01N C-Set project
MP0532 Active A23C [IPC2022.01][M234] Removal of non-limiting references in subclass A23C
MP0537 Active A23L [IPC2022.01][M809] Remaining issues and the removal of non-limiting references in subclass A23L
RP0737 Active A43B [IPC2022.01][F139] Characteristic features of footwear; Parts of footwear
RP0738 Active A47J37/10,37/12 [IPC2022.01][M806] Review of the title of groups A47J 37/10 and 37/12
RP0740 Active A61B1/00004-1/0655 Diagnosis; surgery; identification
RP0751 Active A61B5/04 Follow up to RP0697 * expedited for August release
RP0759 Active A61F11/00 [IPC2022.01][F137] Methods or devices for treatment of the ears
RP0681 Active A61K40/00 Cellular immunotherapy /CART
RP0526 Active A61M1/14-A61M1/387 Suction or pumping devices for medical purposes, devices for carrying off, for treatment of, or for carrying-over, body-liquids
RP0729 Active A63B Removal 'not used' and another three IPC subgroups are not present in the CPC scheme
RP0736 Active B01D46/00 [IPC2022.01][F136] Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
RP0764 Active B01D50/00 [IPC2022.01][F147] Combinations of devices for separating particles from gases or vapours
RP0445 Active B01D61/00 Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis, ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
RP0757 Active B01F [IPC2022.01][F089] Mixing, e.g. dissolving, emulsifying or dispersing
RP0754 Active B09B3/00 [IPC2022.01][C504] Destroying solid waste or transforming solid waste into something useful or harmless
RP0730 Active B22F1/00 [IPC2022.01][C492] Metallic powders; Special treatment of metallic powder
RP0363 Active B23B51/00 Tools for drilling machines
RP0552 Active B23C5/00,2210/00 Milling
RP0727 Active B23D45,49,53,55,59,61,63,65;B27B17/14;B27G revision related to Saws
RP0669 Active B29C,B29B Blow-moulding
RP0562 Active B60Q Vehicle Lighting and Signalling
RP0731 Active B60R1/00 [IPC2022.01][C500] Optical viewing arrangements
RP0761 Active B61L27/00 [IPC2022.01][F144] Central traffic control systems
RP0728 Active B64D,B64G,B61B,B61H Scheme and definition corrections in B61 and B64
RP0722 Active B65H Handling of thin and filamentary materials
RP0734 Active C01F7/00 [IPC2022.01][F133] Compounds of Aluminium
MP0525 Active C10G CRACKING HYDROCARBON OILS
MP0526 Active C11D DETERGENT COMPOSITIONS
MP0508 Active C12N [C-SETS] MICROORGANISMS OR ENZYMES
RP0715 Active C12N2700/00 Deletion of duplicated groups with same scheme title and indent corrections
RP0735 Active C12P7/62,C12P7/64 [IPC2022.01][F135] Preparation of carboxylic acid esters; Preparation of fats; fatty oils; ester-type waxes; higher fatty acids
MP0509 Active C12Q MEASURING OR TESTING PROCESSES INVOLVING ENZYMES
RP0720 Active C23C2/00 Hot-dipping or immersion processes
RP0750 Active C25B Follow up to RP0690 * expedited for August release
MP0533 Active D01H [IPC2022.01][M233] Removal of non-limiting references in subclass D01H
MP0512 Active D03D15/00 [IPC2022.01][C498] Remove NLR from and introduce DEFS into CPC
RP0719 Active F02B INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
MP0522 Active F02D [IPC2022.01][M236] Removal of non-limiting references in subclass F02D
MP0523 Active F02K [IPC2022.01][M231] Removal of non-limiting references in subclass F02K
RP0765 Active F24D [IPC2022.01][F150] Small-scale combined heat and power [CHP] generation systems specially adapted for domestic heating, space heating or domestic hot-water supply
MP0531 Active F24F,F24F3/16,7/00 Def from RP0696
RP0758 Active F24H [IPC2022.01][F107] Controlling of fluid heaters; Details of fluid heaters
MP0513 Active F25B41/00 [IPC2022.01][C499] Remove NLRs for F25B and C499 DEFS into CPC
MP0535 Active G01B9/02 [IPC2022.01][C507] Interferometers
RP0713 Active G01C19/00,G01P9/00 Gyroscopes
RP0755 Active G01F [IPC2022.01][C506] Measuring volume, volume flow, mass flow or liquid level; metering by volume
RP0752 Active G01J5/00 [IPC2022.01][C502] Radiation pyrometry
MP0519 Active G02B [IPC2022.01][M799] Removal of NLR
MP0520 Active G02B,G02F [IPC2022.01][M807] Review of titles and definitions in subclasses G02B and G02F
RP0742 Active G04B MECHANICALLY-DRIVEN CLOCKS OR WATCHES
MP0505 Active G06F1/00-G06F1/3296 Removal of non-limiting references and inconsistencies in Definitions
MP0506 Active G06F3/00-G06F3/167 Removal of non-limiting references and inconsistencies in Definitions
RP0763 Active G06F3/048 [IPC2022.01][F146] Interaction techniques based on graphical user interfaces [GUI]
RP0760 Active G06K9/00(NEW:G06V) [IPC2022.01][F143] Image or video recognition or understanding
RP0762 Active G06N10/00 [IPC2022.01][F145] Quantum computing
MP0504 Active G08B Removal of non-limiting references
MP0529 Active H01J Electric discharge tubes or discharge lamps
RP0743 Active H01L21/20 SEMICONDUCTOR DEVICES
MP0527 Active H01L24/00 SEMICONDUCTOR DEVICES
MP0516 Active H01M [IPC2022.01][M628] Proposals for improving the IPC - Electricity, Physics
RP0733 Active H02K1/27 [IPC2022.01][F119] Rotor cores with permanent magnets
MP0511 Active H03B,C,D,K H03B,C,D,K Relocation of NLR in scheme and modifications to definitions
MP0530 Active H04L Data switching networks
RP0732 Active H04L12/24,12/26,12/58,12/70 [IPC2022.01][F071] Data switching network, e.g. packet switching networks
RP0675 Active H04M Telephone substation equipment
RP0716 Active H04M2001/0204,1/021-1/738 Deletion of superfluous H04M 2001/0204 - Substation equipment
RP0717 Active H04N1/00,2201/00 Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device
MP0521 Active H04W [IPC2022.01][M628] Proposals for improving the IPC - Electricity, Physics
RP0753 Active H05B,H05B45/00 [IPC2022.01][C503] Circuit arrangements for operating LED comprising organic material
RP0723 Active H05B47 Circuit arrangements for operating light sources in general
RP0724 Active H05K5,7 Electronic casings
RP0748 Active Y10T477 Y10T 477 deletion with no transfer
MP0536 Active various [IPC2022.01][M805] Review of the use of 'deux ou plus' and 'plusieurs' in the French version of the IPC
MP0534 Active various [IPC2022.01][M621] Proposals for improving the IPC - Technology independent
RP0725 Active various Alignment residual groups IPC-CPC
MP0528 Active various [Master Quick-Fix]
MP0518 Active various [IPC2022.01][M791] French term 'Manipulation'
MP0517 Active various [IPC2022.01][M631] Correction of obvious errors
MP0515 Active various [IPC2022.01][M627] Proposals for improving the IPC - Chemistry