Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Subclass Not Allocatable
B24D

TOOLS FOR GRINDING, BUFFING OR SHARPENING (abrading-bodies specially designed for tumbling apparatus, e.g. abrading-balls B24B31/14; honing tools B24B33/08; lapping tools B24B37/11)

Description

B24D covers abrasive tools and grinding wheels designed for material removal, surface finishing, and edge preparation operations. This subclass encompasses rotating wheels, stones, and mounted abrasives used in grinding machines, as well as honing and sharpening tools for cutlery and industrial implements. Included are various abrasive compositions, grain types, and bonding materials that affect tool performance and durability. Related grinding machine designs and their operational mechanisms are classified separately under B24B.

12 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • B24D 2201/00 Bushings or mountings integral with the grinding wheel
  • B24D 2203/00 Tool surfaces formed with a pattern
  • B24D 2205/00 Grinding tools with incorporated marking device

Top Applicants

Top 10 applicants by patent filingsfor 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