CPC Main Group
F02M 7/00 Carburettors with means for influencing, e.g. enriching or keeping constant, fuel/air ratio of charge under varying conditions (choke valves for starting F02M1/00)
6 direct subcodes
Child Classifications
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- F02M 7/02 Carburettors having aerated fuel spray nozzles
- F02M 7/04 Means for enriching charge at high combustion-air flow
- F02M 7/06 Means for enriching charge on sudden throttle opening, i.e. at acceleration, e.g. storage means in passage way system
- F02M 7/10 Other installations, without moving parts, for influencing fuel/air ratio, e.g. electrical means (fuel aerating devices for influencing fuel/air ratio F02M7/23)
- F02M 7/12 Other installations, with moving parts, for influencing fuel/air ratio, e.g. having valves (F02M7/24 takes precedence)
- F02M 7/23 Fuel aerating devices
Top Applicants
Top 10 applicants by patent filingsfor class F02, 2013–2023, worldwide · Source: EPO PATSTAT
- ROBERT BOSCH DE 8,801
- FORD GLOBAL TECHNOLOGIES US 8,171
- GE (GENERAL ELECTRIC COMPANY) US 6,957
- HYUNDAI MOTOR COMPANY KR 5,390
- UNITED TECHNOLOGIES CORPORATION (UTC) US 5,250
- TOYOTA MOTOR CORPORATION JP 5,214
- TOYOTA MOTOR CORPORATION 4,149
- DENSO CORPORATION JP 3,400
- KIA MOTORS CORPORATION KR 3,388
- SAFRAN AIRCRAFT ENGINES FR 3,332