IPC Subgroup
B24B 37/12 Lapping plates for working plane surfaces
Introduced: January 2012
Full Title
Lapping machines or devices; Accessories > Lapping tools > Lapping plates for working plane surfaces
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
Lapping plate Lapping plates A lapping plate is a rigid, self-supporting structure used as the lapping tool itself or as a support for a lapping pad
2 direct subcodes
Child Classifications
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- B24B 37/14 characterised by the composition or properties of the plate materials
- B24B 37/16 characterised by the shape of the lapping plate surface, e.g. grooved
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