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IPC Main Group
F02K 9/00

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

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Class:
COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Subclass:
JET-PROPULSION PLANTS

10 direct subcodes

Child Classifications

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  • F02K 9/7 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
  • F02K 9/96 characterised by specially adapted arrangements for testing or measuring
  • F02K 9/97 Rocket nozzles

Top Applicants

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

  1. TOYOTA MOTOR CORPORATION 8,687
  2. ROBERT BOSCH DE 8,328
  3. FORD GLOBAL TECHNOLOGIES US 7,423
  4. GE (GENERAL ELECTRIC COMPANY) US 5,732
  5. UNITED TECHNOLOGIES CORPORATION (UTC) US 5,592
  6. HYUNDAI MOTOR COMPANY KR 4,699
  7. TOYOTA MOTOR CORPORATION JP 4,541
  8. DENSO CORPORATION 3,711
  9. WEICHAI POWER COMPANY 3,486
  10. SAFRAN AIRCRAFT ENGINES FR 3,249