CPC Main Group Additional Only
B23B 2220/00 Details of turning, boring or drilling processes
10 direct subcodes
Child Classifications
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- B23B 2220/04 Chamferring (B23B2220/28 takes precedence)
- B23B 2220/08 Deburring
- B23B 2220/12 Grooving
- B23B 2220/24 Finishing
- B23B 2220/28 Parting off and chamferring simultaneously
- B23B 2220/32 Drilling holes from both sides
- B23B 2220/36 Turning, boring or drilling at high speeds
- B23B 2220/40 Peeling
- B23B 2220/44 Roughing
- B23B 2220/52 Whirling
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