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CPC Main Group
F02K 9/00

Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof

10 direct subcodes

Child Classifications

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  • F02K 9/70 using semi- solid or pulverulent propellants
  • F02K 9/72 using liquid and solid propellants, i.e. hybrid rocket-engine plants
  • F02K 9/94 Re-ignitable or restartable rocket- engine plants; Intermittently operated rocket-engine plants
  • F02K 9/95 characterised by starting or ignition means or arrangements (safety devices F02K9/38)
  • F02K 9/96 characterised by specially adapted arrangements for testing or measuring

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