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DIFF Main Group
B24B 53/00

Devices or means for dressing or conditioning abrasive surfaces (compensation for grinding wheel abrasion resulting from dressing B24B47/25)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Devices or means for dressing or conditioning abrasive surfaces

CPC: Devices or means for dressing or conditioning abrasive surfaces (compensation for grinding wheel abrasion resulting from dressing B24B47/25)

Full Title

Full titles differ between systems:

IPC:

Devices or means for dressing or conditioning abrasive surfaces

CPC:

Devices or means for dressing or conditioning abrasive surfaces (compensation for grinding wheel abrasion resulting from dressing B24B47/25)

Of 12 combined children, 9 exist in both systems.

3 codes are CPC-only extensions.

3 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • B24B 53/001 CPC only CPC only
  • B24B 53/003 CPC only CPC only
  • B24B 53/005 CPC only CPC only
  • B24B 53/007 Cleaning of grinding wheels since 1985 IPC+CPC Available in IPC and CPC
  • B24B 53/013 Application of loose grinding agent as auxiliary tool during truing operation since 1985 IPC+CPC Available in IPC and CPC
  • B24B 53/017 Devices or means for dressing, cleaning or otherwise conditioning lapping tools since 2012 IPC+CPC Available in IPC and CPC
  • B24B 53/02 of plane surfaces on abrasive tools (B24B53/017 takes precedence) IPC+CPC Available in IPC and CPC
  • B24B 53/095 Cooling or lubricating during dressing operation (cooling the grinding surfaces B24B55/02) since 1985 IPC+CPC Available in IPC and CPC
  • B24B 53/10 of travelling flexible backings coated with abrasives; Cleaning of abrasive belts 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