IPC Subgroup
F02M 26/66 Lift valves, e.g. poppet valves
Introduced: January 2016
Full Title
Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems > Constructional details of EGR valves > Lift valves, e.g. poppet valves
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
3 direct subcodes
Child Classifications
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- F02M 26/67 Pintles; Spindles; Springs; Bearings; Sealings; Connections to actuators
- F02M 26/68 Closing members; Valve seats; Flow passages
- F02M 26/69 having two or more valve-closing members
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