IPC Main Group
B24B 17/00 Special adaptations of machines or devices for grinding controlled by patterns, drawings, magnetic tapes or the like; Accessories therefor
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- GRINDING; POLISHING
- Subclass:
- MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
Additional Content
Machines or devices so-controlled for grinding the edges of lenses For grinding or polishing optical lens surfaces For grinding non-circular cross-sections For grinding trochoidal surfaces For grinding cams For grinding turbine blades or the like
4 direct subcodes
Child Classifications
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- B24B 17/02 involving mechanical transmission means only
- B24B 17/04 involving optical auxiliary means, e.g. optical projection form grinding machines
- B24B 17/08 involving fluid transmission means only
- B24B 17/1 involving electrical transmission means only, e.g. controlled by magnetic tape
Top Applicants
Top 10 applicants by patent filingsfor class B24, 2013–2023, worldwide · Source: EPO PATSTAT
- DISCO ABRASIVE SYSTEM 3,084
- APPLIED MATERIALS US 1,570
- EBARA CORPORATION JP 1,393
- DISCO CORPORATION JP 1,368
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 1,270
- EBARA CORPORATION 1,016
- FUJIMI JP 829
- ZHEJIANG UNIVERSITY OF TECHNOLOGY 804
- ROBERT BOSCH DE 803
- SAINT-GOBAIN ABRASIVES US 781