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IPC Main Group
B23B 41/00

Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:
PERFORMING OPERATIONS; TRANSPORTING
Class:
MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
Subclass:
TURNING; BORING

Filing statistics

IPC B23B 41/00 belongs to the parent subclass B23B, which recorded 180,015 patent applications worldwide between 2013 and 2023. Annual filings grew from 10,228 in 2013 to 19,259 in 2023 (+88%), peaking at 25,132 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

8 direct subcodes

Child Classifications

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  • B23B 41/02 for boring deep holes; Trepanning, e.g. of gun or rifle barrels
  • B23B 41/04 for boring polygonal or other non-circular holes
  • B23B 41/06 for boring conical holes
  • B23B 41/08 for boring, drilling, or tapping holes in tubes under fluid or gas pressure
  • B23B 41/1 for boring holes in steam boilers
  • B23B 41/12 for forming working surfaces of cylinders, of bearings, e.g. in heads of driving rods, or of other engine parts
  • B23B 41/14 for very small holes
  • B23B 41/16 for boring holes with high-quality surface

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