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IPC Main Group
B23G 9/00

Working screws, bolt heads or nuts in conjunction with thread cutting, e.g. slotting screw heads or shanks, removing burrs from screw heads or shanks; Finishing, e.g. polishing, any screw thread

Introduced: September 1968

Last revised: January 2006

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

Filing statistics

IPC B23G 9/00 belongs to the parent subclass B23G, which recorded 18,811 patent applications worldwide between 2013 and 2023. Annual filings grew from 985 in 2013 to 2,200 in 2023 (+123%), peaking at 2,707 applications in 2020. The most active applicants in class B23 are ITW (ILLINOIS TOOL WORKS) (3,407 applications), FANUC (3,120 applications) and DISCO ABRASIVE SYSTEM (2,777 applications).

Source: EPO PATSTAT, worldwide filings

Related Keywords

MACHINE(S) for working of screws, bolt heads or nuts in conjunction with thread cuttingNICKING or slitting screwsmaking NUT(S) by working in conjunction with thread cuttingPOLISHING of screw threadsSLOTTING screw heads in conjunction with thread-cutting

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