B24B 37/00 Lapping machines or devices; Accessories (B24B3/00 takes precedence)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Lapping machines or devices; Accessories
CPC: Lapping machines or devices; Accessories (B24B3/00 takes precedence)
Full Title
Full titles differ between systems:
Lapping machines or devices; Accessories
Lapping machines or devices; Accessories (B24B3/00 takes precedence)
Additional Content IPC
lapping surface finishing by rubbing the surface of the work and the surface of a lapping tool, e.g. a lapping plate or lapping pad, that is mostly shaped corresponding to the work surface, against each other, mainly with loose abrasives rolling and sliding between the surfaces; the abrasives may be dispersed in a liquid medium, i.e. a slurry, or in a paste, or fixed to the lapping pad.
IPC and CPC are identically structured here. All 6 subcodes exist in both systems.
Child Classifications
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- B24B 37/005 Control means for lapping machines or devices since 2012 +2 CPC IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
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
Top Applicants (CPC)
Class B24,2013–2023, worldwide · Source: EPO PATSTAT
- DISCO CORPORATION JP 2,092
- APPLIED MATERIALS US 1,813
- EBARA CORPORATION JP 1,804
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 1,329
- ROBERT BOSCH DE 863
- FUJIMI JP 858
- SAINT-GOBAIN ABRASIVES US 833
- EBARA CORPORATION 810
- SAINT-GOBAIN ABRASIVES FR 782
- DISCO ABRASIVE SYSTEM 735