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 9/08 using solid propellants (F02K9/72 takes precedence; using semi-solid or pulverulent propellants F02K9/70)
- F02K 9/42 using liquid or gaseous propellants (F02K9/72 takes precedence)
- F02K 9/70 using semi- solid or pulverulent propellants
- F02K 9/72 using liquid and solid propellants, i.e. hybrid rocket-engine plants
- F02K 9/74 combined with another jet-propulsion plant
- F02K 9/80 characterised by thrust or thrust vector control (burning control of solid propellants F02K9/26; feeding control of liquid or gaseous propellants F02K9/56; re-ignitable, restartable or intermittently operated rocket-engine plants F02K9/94)
- 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
- F02K 9/97 Rocket nozzles (thrust or thrust vector control F02K9/80)
Top Applicants
Top 10 applicants by patent filingsfor class F02, 2013–2023, worldwide · Source: EPO PATSTAT
- ROBERT BOSCH DE 8,801
- FORD GLOBAL TECHNOLOGIES US 8,171
- GE (GENERAL ELECTRIC COMPANY) US 6,957
- HYUNDAI MOTOR COMPANY KR 5,390
- UNITED TECHNOLOGIES CORPORATION (UTC) US 5,250
- TOYOTA MOTOR CORPORATION JP 5,214
- TOYOTA MOTOR CORPORATION 4,149
- DENSO CORPORATION JP 3,400
- KIA MOTORS CORPORATION KR 3,388
- SAFRAN AIRCRAFT ENGINES FR 3,332