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DIFF Subgroup
B23B 39/20

Setting work or tool carrier along a circular index line; Turret head drilling machines

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

General-purpose boring or drilling machines or devices; Sets of boring or drilling machines > Drilling machines with a plurality of working-spindles; Drilling automatons > Setting work or tool carrier along a circular index line; Turret head drilling machines

CPC:

General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines > Drilling machines with a plurality of working-spindles; Drilling automatons > Setting work or tool carrier along a circular index line; Turret head drilling machines

Of 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

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Top Applicants

Top Applicants (IPC)

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

Top Applicants (CPC)

Class B23,2013–2023, worldwide · Source: EPO PATSTAT

  1. ITW (ILLINOIS TOOL WORKS) US 3,642
  2. DISCO CORPORATION JP 3,316
  3. FANUC JP 3,111
  4. ROBERT BOSCH DE 2,711
  5. FANUC 2,163
  6. GE (GENERAL ELECTRIC COMPANY) US 2,113
  7. ISCAR IL 1,516
  8. SIEMENS DE 1,459
  9. LINCOLN GLOBAL US 1,433
  10. KOBE STEEL JP 1,423