CPC Main Group
F01D 5/00 Blades; Blade-carrying members (nozzle boxes F01D9/02); Heating, heat-insulating, cooling or antivibration means on the blades or the members
5 direct subcodes
Child Classifications
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- F01D 5/02 Blade-carrying members, e.g. rotors (rotors of non-bladed type F01D1/34; stators F01D9/00 )
- F01D 5/12 Blades (; blade roots F01D5/30; rotors with blades adjustable in operation F01D7/00; stator blades F01D9/02)
- F01D 5/30 Fixing blades to rotors; Blade roots
- F01D 5/34 Rotor-blade aggregates of unitary construction
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