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IPC Class
B24

GRINDING; POLISHING

Classification Context

Section:
PERFORMING OPERATIONS; TRANSPORTING
Class:
GRINDING; POLISHING

Description

B24 encompasses machines, tools, and processes for grinding and polishing solid materials through abrasive action. This class covers grinding wheels, abrasive belts, honing stones, lapping equipment, and the mechanical apparatus that drives these operations across industrial and precision applications. It includes both the design of abrasive implements and the machines that control feed rate, speed, and contact pressure to achieve desired surface finishes or dimensional tolerances. Related finishing operations such as superfinishing and related abrasive processes fall within this classification.

Related Keywords

ABRADING by grinding, polishing or blastingabrasive grinding or polishing of CERAMIC(S)grinding, polishing or sandblasting GLASSMACHINE(S) toolsPLANISHING by polishingPOLISHING by abrading or smoothingREDUCING or abrading by grinding, polishing or blastingSURFACING by abrasive polishing or other abradingabrasive grinding or polishing of WOODWORKING any substance by process applicable to metalWORKING metal

3 direct subcodes

Child Classifications

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Top Applicants

Top 10 applicants by patent filings, 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