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DIFF Subgroup
B23D 33/02

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

Introduced: September 1968

Title

Titles differ between systems:

IPC: Arrangements for holding, guiding, or feeding work during the operation

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

Full Title

Full titles differ between systems:

IPC:

Accessories for shearing machines or shearing devices > Arrangements for holding, guiding, or feeding work during the operation

CPC:

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

Of 3 combined children, 2 exist in both systems.

1 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • B23D 33/025 CPC only CPC only
  • B23D 33/04 for making circular cuts IPC+CPC Available in IPC and CPC
  • 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) IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

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

Top Applicants (CPC)

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