IPC Main Group
B23B 13/00 Arrangements for automatically conveying, chucking or guiding stock for turning machines
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- Subclass:
- TURNING; BORING
6 direct subcodes
Child Classifications
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- B23B 13/02 for turning-machines with a single working-spindle
- B23B 13/04 for turning-machines with a plurality of working-spindles
- B23B 13/06 Arrangements for switching-off the drive of turning-machines after the stock has been completely machined
- B23B 13/08 Arrangements for reducing vibrations in feeding-passages or for damping noise
- B23B 13/1 with magazines for stock
- B23B 13/12 Accessories, e.g. stops, grippers
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