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PCE
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DIFF Subgroup
B23G 1/30

without means for adjusting the threading tool, e.g. with die-stocks (tap wrenches B25B)

Introduced: September 1968

Title

Titles differ between systems:

IPC: without means for adjusting the threading tool, e.g. with die-stocks

CPC: without means for adjusting the threading tool, e.g. with die-stocks (tap wrenches B25B)

Full Title

Full titles differ between systems:

IPC:

Thread cutting; Automatic machines specially designed therefor > Manually-operated thread-cutting devices > without means for adjusting the threading tool, e.g. with die-stocks

CPC:

Thread cutting; Automatic machines specially designed therefor > Manually-operated thread-cutting devices (features of the threading tool per se B23G5/00) > without means for adjusting the threading tool, e.g. with die-stocks (tap wrenches B25B)

Additional Content IPC

die-stock die-stocks a tool for holding a thread die, to enable the die to be rotated about a workpiece in order to cut an external thread thereon.

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