CPC Subgroup
F01B 31/26 Other component parts, details, or accessories, peculiar to steam engines
Full Title
Component parts, details or accessories not provided for in, or of interest apart from, other groups > Other component parts, details, or accessories, peculiar to steam engines
4 direct subcodes
Child Classifications
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- F01B 31/28 Cylinders or cylinder covers
- F01B 31/30 Arrangements of steam conduits
- F01B 31/32 Arrangements or adaptations of vacuum breakers
- F01B 31/34 Safety means against water hammer or against the penetration of water
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