F04C 13/00 Adaptations of machines or pumps for special use, e.g. for extremely high pressures (of pumps specially adapted for elastic fluids F04C25/00)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Adaptations of machines or pumps for special use, e.g. for extremely high pressures
CPC: Adaptations of machines or pumps for special use, e.g. for extremely high pressures (of pumps specially adapted for elastic fluids F04C25/00)
Full Title
Full titles differ between systems:
Adaptations of machines or pumps for special use, e.g. for extremely high pressures
Adaptations of machines or pumps for special use, e.g. for extremely high pressures (of pumps specially adapted for elastic fluids F04C25/00)
Of 4 combined children, 0 exist in both systems.
4 codes are CPC-only extensions.
Child Classifications
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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