H01H 33/285
Using electro-dynamic repulsion
Official title: {using electro-dynamic repulsion (assisting the movement of pistons by accelerating coil H01H33/882)}
H01H33/285 (Using electro-dynamic repulsion) appears on 69 US grants and 51 published applications in this corpus.
Search patents in H01H- Granted patents
- 69
- Published applications
- 51
- Assignees
- 27
- Inventors
- 162
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 3 |
| 2003 | 5 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 2 | 1 |
| 2014 | 2 | 1 |
| 2015 | 2 | 2 |
| 2016 | 1 | 3 |
| 2017 | 3 | 3 |
| 2018 | 1 | 2 |
| 2019 | 4 | 3 |
| 2020 | 4 | 10 |
| 2021 | 8 | 2 |
| 2022 | 6 | 2 |
| 2023 | 5 | 6 |
| 2024 | 5 | 6 |
| 2025 | 2 | 2 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus and method for fast vacuum switch link26 May 2026US 12,640,323 B1Smart Wires Inc.
- Switch system28 Apr 2026US 12,614,684 B2ABB Schweiz AG
- Circuit breaker and power supply system7 Apr 2026US 12,597,579 B2Huawei Digital Power Technologies Co., Ltd.
- Vacuum interrupter with slow opening solenoid core inside to shorten the length of the conductor assembly7 Oct 2025US 12,437,949 B2Eaton Intelligent Power Limited
- Switch system27 May 2025US 12,315,689 B2ABB Schweiz AG
- Gas-insulated switch12 Jun 2025US 2025/0191860 A1Mitsubishi Electric Corporation
- Fast-Acting Mechanical Switch and Its Operating Method20 Feb 2025US 2025/0062090 A1Eaton Electrical Ltd.
- Vacuum interrupter with slow opening solenoid core inside to shorten the length of the conductor assembly11 Jul 2024US 2024/0234064 A1Eaton Intelligent Power Limited
- Vacuum interrupter conductor assembly with integrated thomson coil27 Jun 2024US 2024/0212958 A1Eaton Intelligent Power Limited
- Dual conductor thomson coil for faster opening of a hybrid circuit breaker2 May 2024US 2024/0145186 A1Eaton Intelligent Power Limited
Most cited
By later US patents
- Electric plant and method and use in connection with such plant31US 7,079,367 B1ABB Technology AG · 2006
- Repulsion coil actuator for high speed high power circuits16US 4,086,645 AElectric Power Research Institute, Inc. · 1978
- High voltage current interrupter and an actuator system for a high voltage current interrupter14US 9,183,996 B2ABB Technology AG · 2015
- Switchgear operating mechanism14US 9,508,514 B2Kabushiki Kaisha Toshiba · 2016
- Switching device13US 6,580,345 B2Mitsubishi Denki Kabushiki Kaisha · 2003