IPC Main Group
F02M 5/00 Float-controlled apparatus for maintaining a constant fuel level in carburettors
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- Subclass:
- SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
5 direct subcodes
Child Classifications
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- F02M 5/02 with provisions to meet variations in carburettor position, e.g. upside-down position in aircraft
- F02M 5/06 having adjustable float mechanism, e.g. to meet dissimilarities in specific gravity of different fuels
- F02M 5/08 having means for venting float chambers
- F02M 5/1 having means for preventing vapour lock, e.g. insulated float chambers or forced fuel circulation through float chamber with engine stopped
- F02M 5/12 Other details, e.g. floats, valves, setting devices or tools
Top Applicants
Top 10 applicants by patent filingsfor 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