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IPC Subgroup
B23B 3/04

Turning-machines in which the workpiece is rotated by means at a distance from the headstock

Introduced: September 1968

Last revised: January 2006

Full Title

General-purpose turning-machines or devices, e.g. centre lathes with feed rod and lead screw; Sets of turning-machines > Turning-machines in which the workpiece is rotated by means at a distance from the headstock

Classification Context

Section:
PERFORMING OPERATIONS; TRANSPORTING
Class:
MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
Subclass:
TURNING; BORING

Top Applicants

Top 10 applicants by patent filingsfor class B23, 2013–2023, worldwide · Source: EPO PATSTAT

  1. ITW (ILLINOIS TOOL WORKS) US 3,407
  2. FANUC JP 3,120
  3. DISCO ABRASIVE SYSTEM 2,777
  4. HAN'S LASER TECHNOLOGY INDUSTRY GROUP COMPANY 2,629
  5. ROBERT BOSCH DE 2,468
  6. FANUC 2,273
  7. DISCO CORPORATION JP 2,267
  8. GE (GENERAL ELECTRIC COMPANY) US 1,611
  9. CHINESE ACADEMY OF SCIENCES 1,534
  10. ISCAR IL 1,499