for grinding travelling elongated stock, e.g. strip-shaped work

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor > Single-purpose machines or devices > for grinding travelling elongated stock, e.g. strip-shaped work

CPC:

Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor (B24B21/00 takes precedence; honing of plane surfaces on work B24B33/055) > Single-purpose machines or devices (grinding tools or machines specially designed for use on assembled railway track E01B31/17) > for grinding travelling elongated stock, e.g. strip-shaped work

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

IPC defines codes here since 1985.

Child Classifications

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B24B 7/13 grinding while stock moves from coil to coil since 1985 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