IPC Main Group
F02K 1/00 Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
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
11 direct subcodes
Child Classifications
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- F02K 1/04 Mounting of an exhaust cone in the jet pipe
- F02K 1/06 Varying effective area of jet pipe or nozzle
- F02K 1/28 using fluid jets to influence the jet flow
- F02K 1/36 having an ejector
- F02K 1/38 Introducing air inside the jet
- F02K 1/4 Nozzles having means for dividing the jet into a plurality of partial jets or having an elongated cross-section outlet
- F02K 1/44 Nozzles having means, e.g. a shield, reducing sound radiation in a specified direction
- F02K 1/46 Nozzles having means for adding air to the jet or for augmenting the mixing region between the jet and the ambient air, e.g. for silencing
- F02K 1/52 Nozzles specially constructed for positioning adjacent to another nozzle or to a fixed member, e.g. fairing
- F02K 1/54 Nozzles having means for reversing jet thrust
- F02K 1/78 Other construction of jet pipes
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