F02M 9/02 having throttling valves, e.g. of piston shape, slidably arranged transversely to the passage
Introduced: September 1968
Full Title
Full titles differ between systems:
Carburettors having air or fuel-air mixture passage throttling valves other than of butterfly type; Carburettors having fuel-air mixing chambers of variable shape or position > having throttling valves, e.g. of piston shape, slidably arranged transversely to the passage
Carburettors having air or fuel-air mixture passage throttling valves other than of butterfly type (register-type carburettors F02M11/00); Carburettors having fuel-air mixing chambers of variable shape or position > having throttling valves, e.g. of piston shape, slidably arranged transversely to the passage
Of 4 combined children, 2 exist in both systems.
2 codes are CPC-only extensions.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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- F02M 9/04 with throttling valves sliding in a plane inclined to the passage IPC+CPC Available in IPC and CPC
- F02M 9/06 with means for varying cross-sectional area of fuel spray nozzle dependent on throttle position (installations, operated automatically by a pneumatically adjustable piston-like element, for influencing fuel/air ratio F02M7/17) +1 CPC IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class F02,2013–2023, worldwide · Source: EPO PATSTAT
- TOYOTA MOTOR CORPORATION 8,687
- ROBERT BOSCH DE 8,328
- FORD GLOBAL TECHNOLOGIES US 7,423
- GE (GENERAL ELECTRIC COMPANY) US 5,732
- UNITED TECHNOLOGIES CORPORATION (UTC) US 5,592
- HYUNDAI MOTOR COMPANY KR 4,699
- TOYOTA MOTOR CORPORATION JP 4,541
- DENSO CORPORATION 3,711
- WEICHAI POWER COMPANY 3,486
- SAFRAN AIRCRAFT ENGINES FR 3,249
Top Applicants (CPC)
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