CPC Subgroup Additional Only
F05D 2250/20 Three-dimensional
Full Title
Geometry > Three-dimensional
9 direct subcodes
Child Classifications
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- F05D 2250/21 pyramidal
- F05D 2250/22 parallelepipedal
- F05D 2250/23 prismatic
- F05D 2250/24 ellipsoidal
- F05D 2250/25 helical
- F05D 2250/26 paraboloid
- F05D 2250/27 hyperboloid
- F05D 2250/28 patterned
- F05D 2250/29 machined; miscellaneous
Top Applicants
Top 10 applicants by patent filingsfor class F05, 2013–2023, worldwide · Source: EPO PATSTAT
- GE (GENERAL ELECTRIC COMPANY) US 12,002
- UNITED TECHNOLOGIES CORPORATION (UTC) US 8,736
- SAFRAN AIRCRAFT ENGINES FR 6,804
- RAYTHEON TECHNOLOGIES CORPORATION US 4,530
- SIEMENS DE 4,371
- GE (GENERAL ELECTRIC COMPANY) 3,686
- ROLLS-ROYCE GB 3,594
- PRATT & WHITNEY CANADA CORPORATION CA 3,415
- VESTAS DK 3,076
- WOBBEN PROPERTIES DE 2,614