DIFF Main Group
F01M 1/00 Pressure lubrication
Introduced: September 1968
IPC and CPC are identically structured here. All 9 subcodes exist in both systems.
8 shared codes have differing titles between IPC and CPC.
Child Classifications
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- F01M 1/02 using lubricating pumps (pumps in general F04; lubricating pumps per se F16N) +4 CPC IPC+CPC Available in IPC and CPC
- F01M 1/04 using pressure in working cylinder or crankcase to operate lubricant feeding devices IPC+CPC Available in IPC and CPC
- F01M 1/06 Lubricating systems characterised by the provision therein of crankshafts or connecting rods with lubricant passageways, e.g. bores (crankshafts, connecting-rods, per se F16C) +4 CPC IPC+CPC Available in IPC and CPC
- F01M 1/08 Lubricating systems characterised by the provision therein of lubricant jetting means +2 CPC IPC+CPC Available in IPC and CPC
- F01M 1/10 Lubricating systems characterised by the provision therein of lubricant venting or purifying means, e.g. of filters +3 CPC IPC+CPC Available in IPC and CPC
- F01M 1/12 Closed-circuit lubricating systems not provided for in groups F01M1/02 - F01M1/10 +2 CPC IPC+CPC Available in IPC and CPC
- F01M 1/16 Controlling lubricant pressure or quantity (rendering machines or engines inoperative or idling on lubricant pressure failure F01M1/22) +1 CPC IPC+CPC Available in IPC and CPC
- F01M 1/18 Indicating or safety devices (concerning lubricant level F01M11/06, F01M11/12) IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class F01,2013–2023, worldwide · Source: EPO PATSTAT
- GE (GENERAL ELECTRIC COMPANY) US 8,496
- UNITED TECHNOLOGIES CORPORATION (UTC) US 7,291
- SAFRAN AIRCRAFT ENGINES FR 5,503
- TOYOTA MOTOR CORPORATION 4,556
- SIEMENS DE 3,992
- HYUNDAI MOTOR COMPANY KR 3,929
- RAYTHEON TECHNOLOGIES CORPORATION US 3,534
- FORD GLOBAL TECHNOLOGIES US 3,407
- TOYOTA MOTOR CORPORATION JP 3,042
- WEICHAI POWER COMPANY 2,888
Top Applicants (CPC)
Class F01,2013–2023, worldwide · Source: EPO PATSTAT
- GE (GENERAL ELECTRIC COMPANY) US 9,989
- UNITED TECHNOLOGIES CORPORATION (UTC) US 8,110
- SAFRAN AIRCRAFT ENGINES FR 6,248
- HYUNDAI MOTOR COMPANY KR 4,530
- SIEMENS DE 4,461
- FORD GLOBAL TECHNOLOGIES US 4,029
- RAYTHEON TECHNOLOGIES CORPORATION US 3,947
- TOYOTA MOTOR CORPORATION JP 3,734
- GE (GENERAL ELECTRIC COMPANY) 3,415
- SCHAEFFLER TECHNOLOGIES & COMPANY DE 3,063