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DIFF Subgroup
B24B 53/02

of plane surfaces on abrasive tools (B24B53/017 takes precedence)

Introduced: September 1968

Title

Titles differ between systems:

IPC: of plane surfaces on abrasive tools

CPC: of plane surfaces on abrasive tools (B24B53/017 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Devices or means for dressing or conditioning abrasive surfaces > of plane surfaces on abrasive tools

CPC:

Devices or means for dressing or conditioning abrasive surfaces (compensation for grinding wheel abrasion resulting from dressing B24B47/25) > of plane surfaces on abrasive tools (B24B53/017 takes precedence)

No child classifications to compare. This is a leaf node in both 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