CPC Main Group
F01M 11/00 Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
8 direct subcodes
Child Classifications
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- F01M 11/02 Arrangements of lubricant conduits
- F01M 11/03 Mounting or connecting of lubricant purifying means relative to the machine or engine; Details of lubricant purifying means (filters B01D)
- F01M 11/04 Filling or draining lubricant of or from machines or engines
- F01M 11/06 Means for keeping lubricant level constant or for accommodating movement or position of machines or engines
- F01M 11/08 Separating lubricant from air or fuel-air mixture before entry into cylinder (separating in general B01D)
- F01M 11/10 Indicating devices; Other safety devices
Top Applicants
Top 10 applicants by patent filingsfor 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