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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

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