B23Q 11/146 Full Title
Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work ; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools (in respect of boring or drilling machines B23B47/32 takes precedence; safety devices in general F16P) > Methods or arrangements for maintaining a constant temperature in parts of machine tools
Filing statistics
CPC B23Q 11/146 belongs to the parent subclass B23Q, which recorded 135,798 patent applications worldwide between 2013 and 2023. Annual filings grew from 6,122 in 2013 to 12,605 in 2023 (+106%), peaking at 17,397 applications in 2020. The most active applicants in class B23 are ITW (ILLINOIS TOOL WORKS) (3,642 applications), DISCO CORPORATION (3,316 applications) and FANUC (3,111 applications).
Source: EPO PATSTAT, worldwide filings
Top Applicants
Top 10 applicants by patent filingsfor class B23, 2013–2023, worldwide · Source: EPO PATSTAT
- ITW (ILLINOIS TOOL WORKS) US 3,642
- DISCO CORPORATION JP 3,316
- FANUC JP 3,111
- ROBERT BOSCH DE 2,711
- FANUC 2,163
- GE (GENERAL ELECTRIC COMPANY) US 2,113
- ISCAR IL 1,516
- SIEMENS DE 1,459
- LINCOLN GLOBAL US 1,433
- KOBE STEEL JP 1,423