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IPC Main Group
F02B 75/00

Other engines, e.g. single-cylinder engines

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:
INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL

13 direct subcodes

Child Classifications

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  • F02B 75/02 Engines characterised by their cycles, e.g. six-stroke
  • F02B 75/04 Engines with variable distances between pistons at top dead-centre positions and cylinder heads
  • F02B 75/06 Engines with means for equalising torque
  • F02B 75/08 Engines with means for preventing corrosion in gas-swept spaces
  • F02B 75/1 Engines with means for rendering exhaust gases innocuous
  • F02B 75/12 Other methods of operation
  • F02B 75/26 Engines with cylinder axes coaxial with, or parallel or inclined to, main-shaft axis; Engines with cylinder axes arranged substantially tangentially to a circle centred on main-shaft axis
  • F02B 75/32 Engines characterised by connections between pistons and main shafts and not specific to preceding main groups
  • F02B 75/34 Ultra-small engines, e.g. for driving models
  • F02B 75/4 Other reciprocating-piston engines

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