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DIFF Subgroup
B23Q 3/10

Auxiliary devices, e.g. bolsters, extension members

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Devices holding, supporting, or positioning, work or tools, of a kind normally removable from the machine > for mounting on a work-table, tool-slide, or analogous part > Auxiliary devices, e.g. bolsters, extension members

CPC:

Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine (work-tables or other parts, e.g. faceplates, normally not incorporating means for securing work B23Q1/00; automatic position control B23Q15/00 ; rotary tool heads for turning-machines B23B3/24, B23B3/26; non-driven tool holders B23B29/00; general features of turrets B23B29/24 ; tools or bench devices for fastening, connecting, disengaging or holding B25B ) > for mounting on a work-table, tool-slide, or analogous part (B23Q3/15 takes precedence) > Auxiliary devices, e.g. bolsters, extension members

Of 6 combined children, 0 exist in both systems.

6 codes are CPC-only extensions.

Child Classifications

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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