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CPC Subgroup
F02K 9/08

using solid propellants (F02K9/72 takes precedence; using semi-solid or pulverulent propellants F02K9/70)

Full Title

Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof > using solid propellants (F02K9/72 takes precedence; using semi-solid or pulverulent propellants F02K9/70)

6 direct subcodes

Child Classifications

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  • F02K 9/24 Charging rocket engines with solid propellants; Methods or apparatus specially adapted for working solid propellant charges
  • F02K 9/26 Burning control
  • F02K 9/28 having two or more propellant charges with the propulsion gases exhausting through a common nozzle
  • F02K 9/30 with the propulsion gases exhausting through a plurality of nozzles

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