IPC Main Group
B23K 37/00 Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
Introduced: September 1968
Last revised: January 2025
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
6 direct subcodes
Child Classifications
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- B23K 37/003 Cooling means for welding or cutting
- B23K 37/006 Safety devices for welding or cutting
- B23K 37/02 Carriages for supporting the welding or cutting element
- B23K 37/04 for holding or positioning work
- B23K 37/06 for positioning the molten material, e.g. confining it to a desired area
- B23K 37/08 for flash removal
Top Applicants
Top 10 applicants by patent filingsfor class B23, 2013–2023, worldwide · Source: EPO PATSTAT
- ITW (ILLINOIS TOOL WORKS) US 3,407
- FANUC JP 3,120
- DISCO ABRASIVE SYSTEM 2,777
- HAN'S LASER TECHNOLOGY INDUSTRY GROUP COMPANY 2,629
- ROBERT BOSCH DE 2,468
- FANUC 2,273
- DISCO CORPORATION JP 2,267
- GE (GENERAL ELECTRIC COMPANY) US 1,611
- CHINESE ACADEMY OF SCIENCES 1,534
- ISCAR IL 1,499