B23Q 17/0909
Detection of broken tools
Official title: {Detection of broken tools}
B23Q17/0909 (Detection of broken tools) appears on 46 US grants and 44 published applications in this corpus.
Search patents in B23Q- Granted patents
- 46
- Published applications
- 44
- Assignees
- 51
- Inventors
- 116
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 2 |
| 2003 | 3 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 3 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 2 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 1 |
| 2014 | 2 | 1 |
| 2015 | 1 | 3 |
| 2016 | 1 | 3 |
| 2017 | 1 | 1 |
| 2018 | 3 | 4 |
| 2019 | 1 | 3 |
| 2020 | 1 | 4 |
| 2021 | 5 | 3 |
| 2022 | 0 | 1 |
| 2023 | 2 | 3 |
| 2024 | 3 | 2 |
| 2025 | 2 | 4 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cutting tool7 Apr 2026US 12,594,608 B2Sumitomo Electric Industries, Ltd.
- Automatic tool exchanger27 Jan 2026US 12,533,761 B2Fuji Corporation
- Lathe and method of detecting cut-off tool breakage24 Jun 2025US 12,337,432 B2Star Micronics Co., Ltd.
- Die for deforming material in a joining tool, joining tool and method for identifying and/or detecting the condition of a die15 Apr 2025US 12,275,057 B2Newfrey LLC
- Control mechanism, tool replacement equipment and tool replacement method27 Aug 2024US 12,070,827 B2Fulian Yuzhan Precision Technology Co., Ltd
- Methods of Measuring and Grinding an Ice Blade, and Apparatuses Using Same16 Jul 2026US 2026/0200038 A1Skatescribe Corporation
- Equipment state monitoring system28 Aug 2025US 2025/0269482 A1Denso Corporation
- On-machine tool measurement device15 May 2025US 2025/0153299 A1Shibaura Machine Co., Ltd.
- Imaging device, tool storage equipment, and machine tool8 May 2025US 2025/0144758 A1Dmg Mori Co., Ltd.
- Imaging device, tool storage equipment and machine tool13 Mar 2025US 2025/0083270 A1Dmg Mori Co., Ltd.
Most cited
By later US patents
- Force and torque sensor for machine tools40US 4,444,061 ACamtech Inc. · 1984
- Tool wear measurement by machine vision39US 4,845,763 AGeneral Motors Corporation · 1989
- Tool control system and method32US 3,963,364 A1976
- Broken drill bit detector27US 4,502,823 ASperry Corporation · 1985
- Turn broach abnormality sensing apparatus27US 6,201,567 B1Komatsu Ltd. · 2001