F01C 3/06 the axes being arranged otherwise than at an angle of 90 degrees
Full Title
Rotary-piston machines or engines with non-parallel axes of movement of co-operating members (with the working-chamber walls being at least partly resiliently deformable F01C5/00) > the axes being arranged otherwise than at an angle of 90 degrees
Filing statistics
CPC F01C 3/06 belongs to the parent subclass F01C, which recorded 11,139 patent applications worldwide between 2013 and 2023. Annual filings declined from 1,330 in 2013 to 549 in 2023 (-59%), peaking at 1,372 applications in 2016. The most active applicants in class F01 are GE (GENERAL ELECTRIC COMPANY) (9,989 applications), UNITED TECHNOLOGIES CORPORATION (UTC) (8,110 applications) and SAFRAN AIRCRAFT ENGINES (6,248 applications).
Source: EPO PATSTAT, worldwide filings
1 direct subcode
Child Classifications
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- F01C 3/08 of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
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