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DIFF Subgroup
B23G 1/12

Machines with a toothed cutter in the shape of a spur-gear or the like which is rotated to generate the thread profile as the work rotates

Introduced: September 1968

Title

Titles differ between systems:

IPC: Machines with a toothed cutter in the shape of a spur gear or the like which is rotated to generate the thread profile as the work rotates

CPC: Machines with a toothed cutter in the shape of a spur-gear or the like which is rotated to generate the thread profile as the work rotates

Full Title

Full titles differ between systems:

IPC:

Thread cutting; Automatic machines specially designed therefor > on an external or internal cylindrical or conical surface, e.g. on recesses > Machines with a toothed cutter in the shape of a spur gear or the like which is rotated to generate the thread profile as the work rotates

CPC:

Thread cutting; Automatic machines specially designed therefor > on an external or internal cylindrical or conical surface, e.g. on recesses (B23G1/16, B23G1/22, B23G1/32, B23G1/36 take precedence) > Machines with a toothed cutter in the shape of a spur-gear or the like which is rotated to generate the thread profile as the work rotates

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

Child Classifications

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  • B23G 1/14 specially adapted for making conical screws, e.g. wood-screws IPC+CPC Available in 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