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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 59/30 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

Top Applicants

Top 10 applicants by patent filingsfor class F02, 2013–2023, worldwide · Source: EPO PATSTAT

  1. ROBERT BOSCH DE 8,801
  2. FORD GLOBAL TECHNOLOGIES US 8,171
  3. GE (GENERAL ELECTRIC COMPANY) US 6,957
  4. HYUNDAI MOTOR COMPANY KR 5,390
  5. UNITED TECHNOLOGIES CORPORATION (UTC) US 5,250
  6. TOYOTA MOTOR CORPORATION JP 5,214
  7. TOYOTA MOTOR CORPORATION 4,149
  8. DENSO CORPORATION JP 3,400
  9. KIA MOTORS CORPORATION KR 3,388
  10. SAFRAN AIRCRAFT ENGINES FR 3,332