CPC Main Group Additional Only
F01N 2530/00 Selection of materials for tubes, chambers or housings
6 direct subcodes
Child Classifications
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- F01N 2530/02 Corrosion resistive metals
- F01N 2530/06 Aluminium or alloys thereof
- F01N 2530/18 Plastics material, e.g. polyester resin
- F01N 2530/22 Flexible elastomeric material
- F01N 2530/24 Sintered porous material, e.g. bronze, aluminium or the like
- F01N 2530/26 Multi-layered walls
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