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DIFF Main Group
B24B 29/00

Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents (polishing tools in general B24D13/00)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents

CPC: Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents (polishing tools in general B24D13/00)

Full Title

Full titles differ between systems:

IPC:

Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents

CPC:

Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents (polishing tools in general B24D13/00)

Additional Content IPC

Machines or devices for grinding or polishing glass , ,

Of 2 combined children, 1 exist in both systems.

1 codes are CPC-only extensions.

IPC defines codes here since 1985.

Child Classifications

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  • B24B 29/005 CPC only CPC only

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