IPC Subgroup
F02K 1/06 Varying effective area of jet pipe or nozzle
Introduced: September 1968
Last revised: January 2006
Full Title
Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto > Varying effective area of jet pipe or nozzle
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- Subclass:
- JET-PROPULSION PLANTS
6 direct subcodes
Child Classifications
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- F02K 1/08 by axially moving or transversely deforming an internal member, e.g. the exhaust cone
- F02K 1/09 by axially moving an external member, e.g. a shroud
- F02K 1/1 by distorting the jet pipe or nozzle
- F02K 1/11 by means of pivoted eyelids
- F02K 1/12 by means of pivoted flaps
- F02K 1/15 Control or regulation
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