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DIFF Subgroup
B24B 53/08

controlled by information means, e.g. patterns, templets, punched tapes or the like

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Devices or means for dressing or conditioning abrasive surfaces > of profiled abrasive wheels > controlled by information means, e.g. patterns, templets, punched tapes or the like

CPC:

Devices or means for dressing or conditioning abrasive surfaces (compensation for grinding wheel abrasion resulting from dressing B24B47/25) > of profiled abrasive wheels > controlled by information means, e.g. patterns, templets, punched tapes or the like

Of 4 combined children, 2 exist in both systems.

2 codes are CPC-only extensions.

IPC defines codes here since 1985.

Child Classifications

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  • B24B 53/083 CPC only CPC only
  • B24B 53/085 for workpieces having a grooved profile, e.g. gears, splined shafts, threads, worms since 1985 IPC+CPC Available in IPC and CPC
  • B24B 53/09 having transfer elements formed as pantograph mechanism since 1985 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class B24,2013–2023, worldwide · Source: EPO PATSTAT

  1. DISCO ABRASIVE SYSTEM 3,084
  2. APPLIED MATERIALS US 1,570
  3. EBARA CORPORATION JP 1,393
  4. DISCO CORPORATION JP 1,368
  5. 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 1,270
  6. EBARA CORPORATION 1,016
  7. FUJIMI JP 829
  8. ZHEJIANG UNIVERSITY OF TECHNOLOGY 804
  9. ROBERT BOSCH DE 803
  10. SAINT-GOBAIN ABRASIVES US 781

Top Applicants (CPC)

Class B24,2013–2023, worldwide · Source: EPO PATSTAT

  1. DISCO CORPORATION JP 2,092
  2. APPLIED MATERIALS US 1,813
  3. EBARA CORPORATION JP 1,804
  4. 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 1,329
  5. ROBERT BOSCH DE 863
  6. FUJIMI JP 858
  7. SAINT-GOBAIN ABRASIVES US 833
  8. EBARA CORPORATION 810
  9. SAINT-GOBAIN ABRASIVES FR 782
  10. DISCO ABRASIVE SYSTEM 735