IPC Main Group
B23B 47/00 Constructional features of components specially designed for boring or drilling machines; Accessories therefor
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 47/02 Drives; Gearings
- B23B 47/26 Liftable or lowerable drill heads or headstocks; Balancing arrangements therefor
- B23B 47/28 Drill jigs for workpieces
- B23B 47/3 Additional gear with one or more working-spindles attachable to the main working-spindle; Mounting the additional gear
- B23B 47/32 Arrangements for preventing the running-out of drills or fracture of drills when getting through
- B23B 47/34 Arrangements for removing chips out of the holes made; Chip-breaking arrangements attached to the tool
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