H01H 33/182
Using permanent magnets
Official title: {using permanent magnets (H01H33/187 takes precedence)}
H01H33/182 (Using permanent magnets) appears on 83 US grants and 88 published applications in this corpus.
Search patents in H01H- Granted patents
- 83
- Published applications
- 88
- Assignees
- 56
- Inventors
- 211
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 2 |
| 2013 | 2 | 11 |
| 2014 | 4 | 11 |
| 2015 | 9 | 7 |
| 2016 | 8 | 8 |
| 2017 | 11 | 6 |
| 2018 | 3 | 4 |
| 2019 | 6 | 5 |
| 2020 | 7 | 5 |
| 2021 | 3 | 8 |
| 2022 | 3 | 8 |
| 2023 | 9 | 6 |
| 2024 | 7 | 2 |
| 2025 | 3 | 0 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Two-electric-pole circuit breaker actuated by a common pyrotechnic device21 Apr 2026US 12,609,258 B2Safran Electrical & Power
- Power supply system and switch unit12 Aug 2025US 12,387,889 B2Huawei Digital Power Technologies Co., Ltd.
- Switch unit and switching device5 Aug 2025US 12,381,050 B2Huawei Digital Power Technologies Co., Ltd.
- Air circuit breaker8 Apr 2025US 12,272,507 B2Ls Electric Co., Ltd.
- Arc extinguishing unit and air circuit breaker comprising same26 Nov 2024US 12,154,735 B2Ls Electric Co., Ltd.
- Switchgear16 Jul 2026US 2026/0204500 A1Mitsubishi Electric Corporation
- High-voltage connector with joining groove21 May 2026US 2026/0142106 A1Pierburg GmbH
- Switch with magnetic blow-out of electric arc, and manufacturing method thereof30 Apr 2026US 2026/0120984 A1Gorlan Team, S. L. U
- Two-electric-pole circuit breaker actuated by a common pyrotechnic device21 Nov 2024US 2024/0387126 A1Safran Electrical & Power
- Switching device6 Jun 2024US 2024/0186089 A1Mitsubishi Electric Corporation
Most cited
By later US patents
- DC switching device12US 8,502,102 B2ABB Research Ltd. · 2013
- Switching system11US 9,431,197 B2Ellenberger & Poensgen GmbH · 2016
- Switchgear10US 4,786,770 AMitsubishi Denki Kabushiki Kaisha · 1988
- Circuit breaker of spiral arc type9US 4,560,848 AMitsubishi Denki Kabushiki Kaisha · 1985
- DC circuit breaking device9US 5,837,953 AElectric Power Development Co., Ltd. · 1998