F04C 14/00 Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations (of pumps or pumping installations specially adapted for elastic fluids F04C28/00)
Introduced: January 2006
Title
Titles differ between systems:
IPC: Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
CPC: Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations (of pumps or pumping installations specially adapted for elastic fluids F04C28/00)
Full Title
Full titles differ between systems:
Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations (of pumps or pumping installations specially adapted for elastic fluids F04C28/00)
IPC and CPC are identically structured here. All 8 subcodes exist in both systems.
2 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 2006.
Child Classifications
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- F04C 14/02 specially adapted for several machines or pumps connected in series or in parallel since 2006 IPC+CPC Available in IPC and CPC
- F04C 14/04 specially adapted for reversible machines or pumps since 2006 IPC+CPC Available in IPC and CPC
- F04C 14/06 specially adapted for stopping, starting, idling or no-load operation since 2006 +1 CPC IPC+CPC Available in IPC and CPC
- F04C 14/08 characterised by varying the rotational speed since 2006 IPC+CPC Available in IPC and CPC
- F04C 14/10 characterised by changing the positions of the inlet or outlet openings with respect to the working chamber since 2006 IPC+CPC Available in IPC and CPC
- F04C 14/18 characterised by varying the volume of the working chamber (by changing the positions of inlet or outlet openings F04C14/10) since 2006 +1 CPC IPC+CPC Available in IPC and CPC
- F04C 14/24 characterised by using valves controlling pressure or flow rate, e.g. discharge valves (F04C14/10 takes precedence) since 2006 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