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IPC Subgroup
B23G 1/44

Equipment or accessories specially designed for machines or devices for thread cutting

Introduced: September 1968

Last revised: January 2006

Full Title

Thread cutting; Automatic machines specially designed therefor > Equipment or accessories specially designed for machines or devices for thread cutting

Classification Context

Section:
PERFORMING OPERATIONS; TRANSPORTING
Class:
MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
Subclass:
THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS OR NUTS, IN CONJUNCTION THEREWITH

4 direct subcodes

Child Classifications

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  • B23G 1/46 for holding the threading tools
  • B23G 1/48 for guiding the threading tools
  • B23G 1/5 for cutting thread by successive operations
  • B23G 1/52 for operating on pipes or tubes

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