E05F 15/41
Detection by monitoring transmitted force or torque
Official title: Detection by monitoring transmitted force or torque (E05F15/48 takes precedence); Safety couplings with activation dependent upon torque or force, e.g. slip couplings
E05F15/41 (Detection by monitoring transmitted force or torque) appears on 639 US grants and 482 published applications in this corpus.
Search patents in E05F- Granted patents
- 639
- Published applications
- 482
- Assignees
- 295
- Inventors
- 1,184
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 6 | 0 |
| 1982 | 9 | 0 |
| 1983 | 8 | 0 |
| 1984 | 6 | 0 |
| 1985 | 5 | 0 |
| 1986 | 6 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 14 | 0 |
| 1990 | 10 | 0 |
| 1991 | 7 | 0 |
| 1992 | 7 | 0 |
| 1993 | 8 | 0 |
| 1994 | 4 | 0 |
| 1995 | 12 | 0 |
| 1996 | 9 | 0 |
| 1997 | 7 | 0 |
| 1998 | 17 | 0 |
| 1999 | 18 | 0 |
| 2000 | 21 | 0 |
| 2001 | 20 | 4 |
| 2002 | 15 | 20 |
| 2003 | 26 | 23 |
| 2004 | 19 | 24 |
| 2005 | 22 | 36 |
| 2006 | 28 | 24 |
| 2007 | 21 | 22 |
| 2008 | 11 | 17 |
| 2009 | 16 | 18 |
| 2010 | 20 | 18 |
| 2011 | 8 | 9 |
| 2012 | 13 | 16 |
| 2013 | 13 | 6 |
| 2014 | 15 | 13 |
| 2015 | 12 | 10 |
| 2016 | 7 | 12 |
| 2017 | 9 | 20 |
| 2018 | 10 | 10 |
| 2019 | 23 | 29 |
| 2020 | 14 | 26 |
| 2021 | 17 | 28 |
| 2022 | 19 | 35 |
| 2023 | 29 | 15 |
| 2024 | 31 | 18 |
| 2025 | 14 | 11 |
| 2026 | 9 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Garage door operator mechanism868US 4,628,636 AHolmes-Hally Industries · 1986
- Motion control method and apparatus for motorized window blinds and and the like224US 5,170,108 ADaylighting, Inc. · 1992
- Coding system for multiple transmitters and a single receiver for a garage door opener196US 4,750,118 AChamberlain Manufacturing Corporation · 1988
- Door opener control with adaptive limits and method therefor175US 5,278,480 AStanley Home Automation · 1994
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