H01H 3/3042
Using a torsion spring
Official title: {using a torsion spring}
H01H3/3042 (Using a torsion spring) appears on 55 US grants and 41 published applications in this corpus.
Search patents in H01H- Granted patents
- 55
- Published applications
- 41
- Assignees
- 33
- Inventors
- 100
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 2 |
| 2003 | 3 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 5 |
| 2016 | 4 | 2 |
| 2017 | 2 | 4 |
| 2018 | 3 | 1 |
| 2019 | 2 | 6 |
| 2020 | 7 | 3 |
| 2021 | 1 | 3 |
| 2022 | 2 | 1 |
| 2023 | 1 | 5 |
| 2024 | 1 | 1 |
| 2025 | 4 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Energy storage status monitoring structure and rotary switch16 Dec 2025US 12,500,051 B2Huawei Digital Power Technologies Co., Ltd.
- Opening switch and remote circuit breaker11 Nov 2025US 12,469,654 B2Huawei Digital Power Technologies Co., Ltd.
- Rotary switch27 May 2025US 12,315,687 B2Huawei Digital Power Technologies Co., Ltd.
- Remote switch-off mechanism and rotary switch13 May 2025US 12,300,447 B2Huawei Digital Power Technologies Co., Ltd.
- Ultra-fast polarized relay for hybrid switching systems9 Jul 2024US 12,033,822 B2Eaton Intelligent Power Limited
- Remotely-controlled rotary disconnecting switch28 Aug 2025US 2025/0273414 A1Chint Low Voltage Electrical Technology Co., Ltd.
- Low voltage contact group21 Aug 2025US 2025/0266215 A1ABB AB
- Control mechanism for a current switching device21 Nov 2024US 2024/0387122 A1Schneider Electric Industries SAS
- Quick-Set Clevis Joint for a Three-Phase Electric Disconnect Switch Linkage21 Sep 2023US 2023/0298836 A1Southern States, LLC
- Energy storage status monitoring structure and rotary switch25 May 2023US 2023/0162930 A1Huawei Digital Power Technologies Co., Ltd.
Most cited
By later US patents
- Spring-force drive for a power switch17US 4,996,397 ASprecher Energie AG · 1991
- Operating mechanism for electrical switches15US 4,578,551 AS&C Electric Company · 1986
- Switch operating mechanism15US 4,839,476 AMitsubishi Denki Kabushiki Kaisha · 1989
- Load break switch14US 4,293,834 AMcGraw-Edison Company · 1981
- Load break switch14US 4,343,030 AMcGraw-Edison Company · 1982