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IPC Main Group
B23K 9/00

Arc welding or cutting

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:
PERFORMING OPERATIONS; TRANSPORTING
Class:
MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
Subclass:
SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM

Related Keywords

arc CUTTINGPLASMA arc welding

19 direct subcodes

Child Classifications

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  • B23K 9/007 Spot arc welding
  • B23K 9/013 Arc cutting, gouging, scarfing or desurfacing
  • B23K 9/04 Welding for other purposes than joining, e.g. built-up welding
  • B23K 9/08 Arrangements or circuits for magnetic control of the arc
  • B23K 9/09 Arrangements or circuits for arc welding with pulsed current or voltage
  • B23K 9/095 Monitoring or automatic control of welding parameters
  • B23K 9/1 Other electric circuits therefor; Protective circuits; Remote controls
  • B23K 9/14 making use of insulated electrodes
  • B23K 9/18 Submerged-arc welding
  • B23K 9/2 Stud welding
  • B23K 9/22 Percussion welding
  • B23K 9/23 taking account of the properties of the materials to be welded
  • B23K 9/235 Preliminary treatment
  • B23K 9/32 Accessories

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