Devices holding, supporting, or positioning, work or tools, of a kind normally removable from the machine

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:: PERFORMING OPERATIONS; TRANSPORTING
Class:: MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
Subclass:: DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL, CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT

Filing statistics

IPC B23Q 3/00 belongs to the parent subclass B23Q, which recorded 452,253 patent applications worldwide between 2013 and 2023. Annual filings grew from 17,043 in 2013 to 61,015 in 2023 (+258%), peaking at 66,831 applications in 2020. The most active applicants in class B23 are ITW (ILLINOIS TOOL WORKS) (3,407 applications), FANUC (3,120 applications) and DISCO ABRASIVE SYSTEM (2,777 applications).

Source: EPO PATSTAT, worldwide filings

Related Keywords

CLAMP(S) for use in machine tools in generalwork HOLDERS for machine tools in generalJIG(S) for mounting on machine toolsWORK holders or supports in machine tools in general

6 direct subcodes

Child Classifications

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B23Q 3/02 for mounting on a work-table, tool-slide, or analogous part
B23Q 3/12 for securing to a spindle in general
B23Q 3/15 Devices for holding work using magnetic or electric force acting directly on the work
B23Q 3/155 Arrangements for automatic insertion or removal of tools
B23Q 3/16 controlled in conjunction with the operation of the tool
B23Q 3/18 for positioning only

Top Applicants

Top 10 applicants by patent filingsfor class B23, 2013–2023, worldwide · Source: EPO PATSTAT

ITW (ILLINOIS TOOL WORKS) US 3,407
FANUC JP 3,120
DISCO ABRASIVE SYSTEM 2,777
HAN'S LASER TECHNOLOGY INDUSTRY GROUP COMPANY 2,629
ROBERT BOSCH DE 2,468
FANUC 2,273
DISCO CORPORATION JP 2,267
GE (GENERAL ELECTRIC COMPANY) US 1,611
CHINESE ACADEMY OF SCIENCES 1,534
ISCAR IL 1,499