CPC Main Group Additional Only
F01N 2340/00 Dimensional characteristics of the exhaust system, e.g. length, diameter or volume of the exhaust apparatus; Spatial arrangements of exhaust apparatuses
4 direct subcodes
Child Classifications
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- F01N 2340/02 Distance of the exhaust apparatus to the engine or between two exhaust apparatuses
- F01N 2340/04 Arrangement of the exhaust system relative to a vehicle or parts thereof
- F01N 2340/06 Arrangement of the exhaust apparatus relative to the turbine of a turbocharger
- F01N 2340/08 Series-connected exhaust apparatuses mounted in a side-by-side spatial arrangement, e.g. U- or S-shaped
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