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IPC Subgroup
F02B 75/18

Multi-cylinder engines

Introduced: September 1968

Last revised: January 2006

Full Title

Other engines, e.g. single-cylinder engines > Engines characterised by number of cylinders, e.g. single-cylinder engines > Multi-cylinder engines

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

3 direct subcodes

Child Classifications

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  • F02B 75/2 with cylinders all in one line
  • F02B 75/22 with cylinders in V-, fan-, or star-arrangement
  • F02B 75/24 with cylinders arranged oppositely relative to main shaft and of "flat" type

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