CPC Main Group Additional Only
B23C 2215/00 Details of workpieces
16 direct subcodes
Child Classifications
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- B23C 2215/04 Aircraft components
- B23C 2215/08 Automotive parts (B23C2215/16, B23C2215/20 and B23C2215/24 take precedence)
- B23C 2215/12 Propellers for boats
- B23C 2215/16 Camshafts
- B23C 2215/20 Crankshafts
- B23C 2215/24 Components of internal combustion engines
- B23C 2215/28 Nipples
- B23C 2215/32 Railway tracks
- B23C 2215/36 Railway wheels
- B23C 2215/40 Spectacles
- B23C 2215/44 Turbine blades
- B23C 2215/48 Kaplan turbines
- B23C 2215/52 Axial turbine wheels
- B23C 2215/56 Radial turbine wheels
- B23C 2215/60 Valve guides in combination with the neighbouring valve seat
- B23C 2215/64 Well pipe windows, i.e. windows in tubings or casings for wells
Top Applicants
Top 10 applicants by patent filingsfor class B23, 2013–2023, worldwide · Source: EPO PATSTAT
- ITW (ILLINOIS TOOL WORKS) US 3,642
- DISCO CORPORATION JP 3,316
- FANUC JP 3,111
- ROBERT BOSCH DE 2,711
- FANUC 2,163
- GE (GENERAL ELECTRIC COMPANY) US 2,113
- ISCAR IL 1,516
- SIEMENS DE 1,459
- LINCOLN GLOBAL US 1,433
- KOBE STEEL JP 1,423