CPC Main Group Additional Only
F01N 2590/00 Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines
6 direct subcodes
Child Classifications
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- F01N 2590/02 for marine vessels or naval applications
- F01N 2590/04 for motorcycles
- F01N 2590/06 for hand-held tools or portables devices
- F01N 2590/08 for heavy duty applications, e.g. trucks, buses, tractors, locomotives
- F01N 2590/10 for stationary applications
- F01N 2590/11 for hybrid vehicles
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