Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
IPC Main Group
B23P 25/00

Auxiliary treatment of workpieces, before or during machining operations, to facilitate the action of the tool or the attainment of a desired final condition of the work, e.g. relief of internal stress

Introduced: September 1968

Last revised: January 2006

Classification Context

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

Filing statistics

IPC B23P 25/00 belongs to the parent subclass B23P, which recorded 233,653 patent applications worldwide between 2013 and 2023. Annual filings grew from 11,207 in 2013 to 27,063 in 2023 (+141%), peaking at 27,887 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

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