Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Subgroup
B24B 7/20

characterised by a special design with respect to properties of the material of non-metallic articles to be ground

Full Title

Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor (B24B21/00 takes precedence; honing of plane surfaces on work B24B33/055) > characterised by a special design with respect to properties of the material of non-metallic articles to be ground

3 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • B24B 7/28 for grinding wood
  • B24B 7/30 for grinding plastics

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