F04C 29/00 Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
Introduced: September 1968
Title
Titles differ between systems:
IPC: Component parts, details, or accessories, of pumps or pumping installations specially adapted for elastic fluids, not provided for in groups
CPC: Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
Full Title
Full titles differ between systems:
Component parts, details, or accessories, of pumps or pumping installations specially adapted for elastic fluids, not provided for in groups
Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
Of 8 combined children, 4 exist in both systems.
4 codes are CPC-only extensions.
3 shared codes have differing titles between IPC and CPC.
Child Classifications
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- F04C 29/02 Lubrication (of machines or engines in general F01M); Lubricant separation (separation in general B01D) +5 CPC IPC+CPC Available in IPC and CPC
- F04C 29/04 Heating; Cooling (of machines or engines in general F01P); Heat insulation (heat insulation in general F16L59/00) +3 CPC IPC+CPC Available in IPC and CPC
- F04C 29/06 Silencing (gas-flow silencers or exhaust apparatus for machines or engines in general F01N) +4 CPC IPC+CPC Available in IPC and CPC
- F04C 29/12 Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet since 2006 +2 CPC IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class F04,2013–2023, worldwide · Source: EPO PATSTAT
- GREE ELECTRIC APPLIANCES 5,351
- LG ELECTRONICS KR 3,502
- ROBERT BOSCH DE 3,011
- MIDEA 2,258
- MITSUBISHI ELECTRIC CORPORATION JP 1,663
- ZHUHAI LANDA COMPRESSOR COMPANY 1,639
- GREE ELECTRIC APPLIANCES, INC.OF ZHUHAI 1,573
- ZHUHAI GREE ENERGY-SAVING REFRIGERATION TECHNOLOGY RESEARCH CENTER COMPANY 1,536
- TOYOTA INDUSTRIES CORPORATION 1,347
- DAIKIN INDUSTRIES 1,325
Top Applicants (CPC)
Class F04,2013–2023, worldwide · Source: EPO PATSTAT
- LG ELECTRONICS KR 3,855
- ROBERT BOSCH DE 3,549
- GREE ELECTRIC APPLIANCES 2,273
- GE (GENERAL ELECTRIC COMPANY) US 2,126
- MITSUBISHI ELECTRIC CORPORATION JP 1,881
- UNITED TECHNOLOGIES CORPORATION (UTC) US 1,866
- SAFRAN AIRCRAFT ENGINES FR 1,499
- MITSUBISHI HEAVY INDUSTRIES JP 1,258
- TOYOTA INDUSTRIES CORPORATION JP 1,247
- ATLAS COPCO AIRPOWER BE 1,168