B25B 23/141
Mechanical overload release couplings
Official title: {Mechanical overload release couplings}
B25B23/141 (Mechanical overload release couplings) appears on 487 US grants and 459 published applications in this corpus.
Search patents in B25B- Granted patents
- 487
- Published applications
- 459
- Assignees
- 214
- Inventors
- 752
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 5 | 0 |
| 1989 | 8 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 7 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 11 | 0 |
| 1997 | 8 | 0 |
| 1998 | 8 | 0 |
| 1999 | 4 | 0 |
| 2000 | 12 | 0 |
| 2001 | 5 | 5 |
| 2002 | 6 | 4 |
| 2003 | 10 | 15 |
| 2004 | 12 | 6 |
| 2005 | 5 | 16 |
| 2006 | 16 | 24 |
| 2007 | 17 | 15 |
| 2008 | 16 | 18 |
| 2009 | 7 | 16 |
| 2010 | 13 | 6 |
| 2011 | 7 | 26 |
| 2012 | 16 | 13 |
| 2013 | 14 | 26 |
| 2014 | 13 | 17 |
| 2015 | 22 | 21 |
| 2016 | 16 | 24 |
| 2017 | 16 | 24 |
| 2018 | 16 | 27 |
| 2019 | 25 | 13 |
| 2020 | 21 | 19 |
| 2021 | 17 | 27 |
| 2022 | 24 | 17 |
| 2023 | 28 | 24 |
| 2024 | 12 | 18 |
| 2025 | 15 | 23 |
| 2026 | 6 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Counter-torque driver tool1 Oct 2026US 2026/0295781 A1C-Torq, LLC
- Improved torque limiting mechanism24 Sep 2026US 2026/0284837 A1
- High-precision digital-display torque wrench20 Aug 2026US 2026/0241520 A1
- Torque wrench13 Aug 2026US 2026/0233369 A1Stanley Black & Decker MEA FZE
- Torque limiter and counter torque device and system11 Jun 2026US 2026/0158628 A1C-Torq, LLC
Most cited
By later US patents
- Power tool gear-train and torque overload clutch therefor1,399US 7,644,783 B2Black & Decker Inc. · 2010
- Automatic screw tightening control method and device731US 10,471,576 B22019
- Bidirectional ramped disposable torque limiting device610US 9,504,528 B2ECA Medical Instruments · 2016
- Torque limiting device for surgical use197US 6,132,435 ASynthes USA, LLC · 2000
- Multi-speed power tool transmission168US 6,431,289 B1Black & Decker Inc. · 2002