B23B 49/001
Devices for detecting or indicating failure of drills
Official title: {Devices for detecting or indicating failure of drills}
B23B49/001 (Devices for detecting or indicating failure of drills) appears on 50 US grants and 18 published applications in this corpus.
Search patents in B23B- Granted patents
- 50
- Published applications
- 18
- Assignees
- 41
- Inventors
- 90
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 0 | 3 |
| 2020 | 0 | 1 |
| 2021 | 4 | 3 |
| 2022 | 0 | 2 |
| 2023 | 2 | 3 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cutting tool with indicator substance16 Jun 2026US 12,654,236 B2Kennametal Inc.
- Cutting tool with pressure sensor16 Jun 2026US 12,654,237 B2Kennametal Inc.
- Electronic module and insert tool system comprising such an electronic module6 May 2025US 12,290,911 B2Robert Bosch GmbH
- Method for predicting drill bit wear11 Jul 2023US 11,697,969 B2Pioneer Natural Resources USA, Inc.
- Feeding device of hole inspection device7 Mar 2023US 11,598,624 B2Subaru Corporation
- Tool diagnostic device and tool diagnostic method28 Sep 2023US 2023/0305520 A1Fanuc Corporation
- Cutting tool with indicator substance24 Aug 2023US 2023/0264271 A1Kennametal Inc.
- Cutting tool with pressure sensor24 Aug 2023US 2023/0264272 A1Kennametal Inc.
- Electronic Module and Insert Tool System Comprising such an Electronic Module23 Jun 2022US 2022/0193874 A1Robert Bosch GmbH
- Anomaly detection device, machine tool, anomaly detection method, and program27 Jan 2022US 2022/0026892 A1Fuji Corporation
Most cited
By later US patents
- Tool failure detector1,028US 4,642,618 AIBM Corporation · 1987
- Radio detector for detecting dull and broken tools61US 4,090,802 AOtto Bilz, Werkzeugfabrik GmbH & Co. · 1978
- Broken bit detector49US 4,340,326 ACooper Industries, Inc. · 1982
- Cutting tool wear monitor37US 4,694,686 ABorg-Warner Corporation · 1987
- Tool control system and method32US 3,963,364 A1976