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DIFF Main Group
B24B 57/00

Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents (for abrasive blasting B24C1/00, B24C7/00)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents

CPC: Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents (for abrasive blasting B24C1/00, B24C7/00)

Full Title

Full titles differ between systems:

IPC:

Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents

CPC:

Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents (for abrasive blasting B24C1/00, B24C7/00)

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

IPC defines codes here since 1985.

Child Classifications

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  • B24B 57/02 for feeding of fluid, sprayed, pulverised, or liquefied grinding, polishing or lapping agents since 1985 IPC+CPC Available in IPC and CPC
  • B24B 57/04 for feeding of solid grinding, polishing or lapping agents 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