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IPC Main Group
F01P 11/00

Component parts, details, or accessories, not provided for in, or of interest apart from, groups

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Class:
MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
Subclass:
COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES

7 direct subcodes

Child Classifications

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  • F01P 11/02 Liquid-coolant overflow, venting, or draining devices
  • F01P 11/04 Arrangements of liquid pipes or hoses
  • F01P 11/06 Cleaning; Combating corrosion
  • F01P 11/08 Arrangements of lubricant coolers
  • F01P 11/1 Guiding or ducting cooling-air to or from liquid-to-air heat-exchangers
  • F01P 11/12 Filtering, cooling, or silencing cooling-air

Top Applicants

Top 10 applicants by patent filingsfor class F01, 2013–2023, worldwide · Source: EPO PATSTAT

  1. GE (GENERAL ELECTRIC COMPANY) US 8,496
  2. UNITED TECHNOLOGIES CORPORATION (UTC) US 7,291
  3. SAFRAN AIRCRAFT ENGINES FR 5,503
  4. TOYOTA MOTOR CORPORATION 4,556
  5. SIEMENS DE 3,992
  6. HYUNDAI MOTOR COMPANY KR 3,929
  7. RAYTHEON TECHNOLOGIES CORPORATION US 3,534
  8. FORD GLOBAL TECHNOLOGIES US 3,407
  9. TOYOTA MOTOR CORPORATION JP 3,042
  10. WEICHAI POWER COMPANY 2,888