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CPC Subgroup
B23D 33/02

Arrangements for holding, guiding, and/or feeding work during the operation

Full Title

Accessories for shearing machines or shearing devices (feeding stock to machines or removing stock B21D43/00) > Arrangements for holding, guiding, and/or feeding work during the operation

3 direct subcodes

Child Classifications

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  • B23D 33/025
  • B23D 33/04 for making circular cuts
  • B23D 33/06 in which the direction of feed is controlled by a copying device, e.g. by a pattern (features of copying devices B23Q35/00)

Top Applicants

Top 10 applicants by patent filingsfor class B23, 2013–2023, worldwide · Source: EPO PATSTAT

  1. ITW (ILLINOIS TOOL WORKS) US 3,642
  2. DISCO CORPORATION JP 3,316
  3. FANUC JP 3,111
  4. ROBERT BOSCH DE 2,711
  5. FANUC 2,163
  6. GE (GENERAL ELECTRIC COMPANY) US 2,113
  7. ISCAR IL 1,516
  8. SIEMENS DE 1,459
  9. LINCOLN GLOBAL US 1,433
  10. KOBE STEEL JP 1,423