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IPC Main Group
B23K 28/00

Welding or cutting not covered by groups

Introduced: July 1974

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

CUTTING metal by laser beamELECTROLYTIC welding

1 direct subcode

Child Classifications

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  • B23K 28/02 Combined welding or cutting procedures or apparatus

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