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DIFF Subgroup
B23B 3/02

Small lathes, e.g. for toolmakers (specially designed for watchmakers G04D3/00)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Small lathes, e.g. for toolmakers

CPC: Small lathes, e.g. for toolmakers (specially designed for watchmakers G04D3/00)

Full Title

Full titles differ between systems:

IPC:

General-purpose turning-machines or devices, e.g. centre lathes with feed rod and lead screw; Sets of turning-machines > Small lathes, e.g. for toolmakers

CPC:

General-purpose turning-machines or devices, e.g. centre lathes with feed rod and lead screw; Sets of turning-machines > Small lathes, e.g. for toolmakers (specially designed for watchmakers G04D3/00)

No child classifications to compare. This is a leaf node in both IPC and CPC.

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