IPC Subgroup
B24C 1/02 for sharpening or cleaning cutting tools, e.g. files
Introduced: September 1968
Last revised: January 2006
Full Title
Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods > for sharpening or cleaning cutting tools, e.g. files
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- GRINDING; POLISHING
- Subclass:
- ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
Related Keywords
sharpening FILE(S) by abrasive blastsharpening RASP(S) by abrasive blastingSHARPENING of cutting edges by abrasive blastingSHARPENING of files or rasps by abrasive blasting
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