B25B 23/14
Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
Official title: Arrangement of torque limiters or torque indicators in wrenches or screwdrivers (couplings for transmitting rotation or clutches F16D; devices for measuring torque per se G01L)
B25B23/14 (Arrangement of torque limiters or torque indicators in wrenches or screwdrivers) appears on 2,503 US grants and 2,374 published applications in this corpus.
Search patents in B25B- Granted patents
- 2,503
- Published applications
- 2,374
- Assignees
- 839
- Inventors
- 3,586
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 23 | 0 |
| 1977 | 32 | 0 |
| 1978 | 32 | 0 |
| 1979 | 17 | 0 |
| 1980 | 30 | 0 |
| 1981 | 46 | 0 |
| 1982 | 18 | 0 |
| 1983 | 20 | 0 |
| 1984 | 23 | 0 |
| 1985 | 25 | 0 |
| 1986 | 24 | 0 |
| 1987 | 28 | 0 |
| 1988 | 27 | 0 |
| 1989 | 42 | 0 |
| 1990 | 35 | 0 |
| 1991 | 27 | 0 |
| 1992 | 38 | 0 |
| 1993 | 28 | 0 |
| 1994 | 32 | 0 |
| 1995 | 30 | 0 |
| 1996 | 40 | 0 |
| 1997 | 28 | 0 |
| 1998 | 30 | 0 |
| 1999 | 23 | 0 |
| 2000 | 28 | 0 |
| 2001 | 30 | 15 |
| 2002 | 27 | 33 |
| 2003 | 44 | 49 |
| 2004 | 39 | 58 |
| 2005 | 37 | 64 |
| 2006 | 68 | 68 |
| 2007 | 52 | 86 |
| 2008 | 64 | 83 |
| 2009 | 40 | 83 |
| 2010 | 47 | 66 |
| 2011 | 44 | 93 |
| 2012 | 61 | 81 |
| 2013 | 63 | 113 |
| 2014 | 64 | 110 |
| 2015 | 76 | 101 |
| 2016 | 78 | 94 |
| 2017 | 75 | 99 |
| 2018 | 76 | 94 |
| 2019 | 93 | 114 |
| 2020 | 82 | 130 |
| 2021 | 83 | 137 |
| 2022 | 131 | 129 |
| 2023 | 110 | 131 |
| 2024 | 120 | 130 |
| 2025 | 108 | 118 |
| 2026 | 65 | 95 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B25B 23/142Specially adapted for hand operated wrenches or screwdrivers857
- B25B 23/147Specially adapted for electrically operated wrenches or screwdrivers652
- B25B 23/141Mechanical overload release couplings487
- B25B 23/145Specially adapted for fluid operated wrenches or screwdrivers363
- B25B 23/1405For impact wrenches or screwdrivers110
- B25B 23/1415Break members85
- B25B 23/15Having a mechanism to mark the work when the selected torque is18
Recent patents
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- Method for operating an electric machine tool, computer program and electric machine tool1 Oct 2026US 2026/0295786 A1Metabowerke GmbH
- Torque-Limiting Coupling System for Use in Breakaway Mounting Systems for Roadway Signposts and Methods of Use1 Oct 2026US 2026/0298294 A1
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Most cited
By later US patents
- Power tool gear-train and torque overload clutch therefor1,399US 7,644,783 B2Black & Decker Inc. · 2010
- Power tools1,146US 6,968,908 B2Makita Corporation · 2005
- Tool apparatus system and method of use1,131US 9,126,317 B2Snap-on Incorporated · 2015
- Power screwdriver having rotary input control1,127US 8,286,723 B2Black & Decker Inc. · 2012
- System and method for data retrieval in AC power tools via an AC line cord1,103US 7,346,406 B2Black & Decker Inc. · 2008