CPC Main Group
B23F 23/00 Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines (accessories or equipment not restricted to gear-cutting machines B23Q)
6 direct subcodes
Child Classifications
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- B23F 23/02 Loading, or chucking arrangements for workpieces
- B23F 23/08 Index mechanisms
- B23F 23/10 Arrangements for compensating irregularities in drives or indexing mechanisms
- B23F 23/12 Other devices, e.g. tool holders; Checking devices for controlling workpieces in machines for manufacturing gear teeth
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