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CPC Main Group
B24B 33/00

Honing machines or devices; Accessories therefor

7 direct subcodes

Child Classifications

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  • B24B 33/04 designed for working external surfaces of revolution
  • B24B 33/05 designed for working grooves, e.g. in gun barrels
  • B24B 33/055 designed for working plane surfaces
  • B24B 33/06 with controlling or gauging equipment (gauging in general G01B; controlling in general G05)

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