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IPC Main Group
F01M 1/00

Pressure lubrication

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:
LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL-COMBUSTION ENGINES; CRANKCASE VENTILATING

9 direct subcodes

Child Classifications

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  • F01M 1/02 using lubricating pumps
  • F01M 1/04 using pressure in working cylinder or crankcase to operate lubricant-feeding devices
  • F01M 1/06 Lubricating systems characterised by the provision therein of crankshafts or connecting-rods with lubricant passageways, e.g. bores
  • F01M 1/08 Lubricating systems characterised by the provision therein of lubricant-jetting means
  • F01M 1/1 Lubricating systems characterised by the provision therein of lubricant venting or purifying means, e.g. of filters
  • F01M 1/12 Closed-circuit lubricating systems not provided for in groups
  • F01M 1/14 Timed lubrication
  • F01M 1/16 Controlling lubricant pressure or quantity

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