CPC Subgroup
F04D 25/02 Units comprising pumps and their driving means
Full Title
Pumping installations or systems (controlling F04D27/00) > Units comprising pumps and their driving means
7 direct subcodes
Child Classifications
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- F04D 25/04 the pump being fluid-driven
- F04D 25/06 the pump being electrically driven (F04D25/08 takes precedence)
- F04D 25/08 the working fluid being air, e.g. for ventilation
Top Applicants
Top 10 applicants by patent filingsfor 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