CPC Main Group Additional Only
F04C 2270/00 Control; Monitoring or safety arrangements
40 direct subcodes
Child Classifications
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- F04C 2270/01 Load
- F04C 2270/02 Power
- F04C 2270/03 Torque
- F04C 2270/04 Force
- F04C 2270/05 Speed
- F04C 2270/06 Acceleration
- F04C 2270/07 Electric current
- F04C 2270/08 Amplitude of electric current
- F04C 2270/09 Electric current frequency
- F04C 2270/10 Voltage
- F04C 2270/11 Magnetic flux
- F04C 2270/12 Vibration
- F04C 2270/13 Noise
- F04C 2270/14 Pulsations
- F04C 2270/15 Resonance
- F04C 2270/16 Wear
- F04C 2270/17 Tolerance; Play; Gap
- F04C 2270/18 Pressure
- F04C 2270/19 Temperature
- F04C 2270/20 Flow
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