IPC Main Group
B24D 15/00 Hand tools or other devices for non-rotary grinding, polishing, or stropping
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- GRINDING; POLISHING
- Subclass:
- TOOLS FOR GRINDING, BUFFING OR SHARPENING
Related Keywords
HONESsharpening or grinding of KNIFE (KNIVES)OIL(S) stoneshand tools for SHARPENING of cutting edges by non-rotary polishing or stroppingSHARPENING of pointed articlesSHARPENING of scythes or sicklesSTEEL(S) for sharpening knivesSTROPS
3 direct subcodes
Child Classifications
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- B24D 15/02 rigid; with rigidly-supported operative surface
- B24D 15/04 resilient; with resiliently-mounted operative surface
- B24D 15/06 specially designed for sharpening cutting edges
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