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Search for IPC and CPC classification codes or keywords
DIFF Subgroup
B23Q 1/44

using particular mechanisms (B23Q1/26 takes precedence)

Introduced: January 1995

Title

Titles differ between systems:

IPC: using particular mechanisms

CPC: using particular mechanisms (B23Q1/26 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members > Movable or adjustable work or tool supports > using particular mechanisms

CPC:

Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members (B23Q37/00 takes precedence ) > Movable or adjustable work or tool supports > using particular mechanisms (B23Q1/26 takes precedence)

Of 5 combined children, 4 exist in both systems.

1 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1995.

Child Classifications

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  • B23Q 1/445 CPC only CPC only
  • B23Q 1/46 with screw pairs since 1995 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