IPC Main Group
B23G 1/00 Thread cutting; Automatic machines specially designed therefor
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- Subclass:
- THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS OR NUTS, IN CONJUNCTION THEREWITH
Related Keywords
screw-cutting LATHE(S)automatic TURNING machines for cutting screw-threads
8 direct subcodes
Child Classifications
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- B23G 1/02 on an external or internal cylindrical or conical surface, e.g. on recesses
- B23G 1/16 in holes of workpieces by taps
- B23G 1/22 Machines specially designed for operating on pipes or tubes
- B23G 1/26 Manually-operated thread-cutting devices
- B23G 1/32 by milling
- B23G 1/36 by grinding
- B23G 1/42 Centreless grinding
- B23G 1/44 Equipment or accessories specially designed for machines or devices for thread cutting
Top Applicants
Top 10 applicants by patent filingsfor class B23, 2013–2023, worldwide · Source: EPO PATSTAT
- ITW (ILLINOIS TOOL WORKS) US 3,407
- FANUC JP 3,120
- DISCO ABRASIVE SYSTEM 2,777
- HAN'S LASER TECHNOLOGY INDUSTRY GROUP COMPANY 2,629
- ROBERT BOSCH DE 2,468
- FANUC 2,273
- DISCO CORPORATION JP 2,267
- GE (GENERAL ELECTRIC COMPANY) US 1,611
- CHINESE ACADEMY OF SCIENCES 1,534
- ISCAR IL 1,499