CPC Subgroup
F02M 59/20 Varying fuel delivery in quantity or timing
Full Title
Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00 > Varying fuel delivery in quantity or timing
7 direct subcodes
Child Classifications
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- F02M 59/22 Varying quantity by adjusting cylinder-head space
- F02M 59/24 with constant-length-stroke pistons having variable effective portion of stroke
- F02M 59/30 with variable-length-stroke pistons
- F02M 59/32 fuel delivery being controlled by means of fuel-displaced auxiliary pistons, which effect injection
- F02M 59/34 by throttling of passages to pumping elements or of overflow passages
- F02M 59/36 by variably-timed valves controlling fuel passages
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