CPC Main Group
F01L 5/00 Slide valve-gear or valve-arrangements (with pure rotary or oscillatory movement F01L7/00)
6 direct subcodes
Child Classifications
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- F01L 5/02 with other than cylindrical, sleeve or part annularly shaped valves, e.g. with flat-type valves
- F01L 5/04 with cylindrical, sleeve, or part-annularly shaped valves
- F01L 5/14 characterised by the provision of valves with reciprocating and other movements (surrounding working cylinder or piston F01L5/06)
- F01L 5/20 specially for two-stroke engines (F01L5/06, F01L5/14 take precedence)
- F01L 5/22 Multiple-valve arrangements (with valves surrounding working cylinder or piston F01L5/08; with reciprocatory and other slide valves F01L5/18; specially for two-stroke engines F01L5/20)
- F01L 5/24 Component parts, details or accessories, not provided for in preceding subgroups in this group
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