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 9/08 using solid propellants
- F02K 9/42 using liquid or gaseous propellants
- F02K 9/7 using semi-solid or pulverulent propellants
- F02K 9/72 using liquid and solid propellants, i.e. hybrid rocket-engine plants
- F02K 9/74 combined with another jet-propulsion plant
- F02K 9/8 characterised by thrust or thrust vector control
- 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
- TOYOTA MOTOR CORPORATION 8,687
- ROBERT BOSCH DE 8,328
- FORD GLOBAL TECHNOLOGIES US 7,423
- GE (GENERAL ELECTRIC COMPANY) US 5,732
- UNITED TECHNOLOGIES CORPORATION (UTC) US 5,592
- HYUNDAI MOTOR COMPANY KR 4,699
- TOYOTA MOTOR CORPORATION JP 4,541
- DENSO CORPORATION 3,711
- WEICHAI POWER COMPANY 3,486
- SAFRAN AIRCRAFT ENGINES FR 3,249