H01H 33/185
Using magnetisable elements associated with the contacts
Official title: {using magnetisable elements associated with the contacts (H01H33/187 takes precedence)}
H01H33/185 (Using magnetisable elements associated with the contacts) appears on 22 US grants and 12 published applications in this corpus.
Search patents in H01H- Granted patents
- 22
- Published applications
- 12
- Assignees
- 14
- Inventors
- 53
- Latest grant
- 11 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 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 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 2 |
| 2022 | 2 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Switching device11 Feb 2025US 12,224,136 B2ABB Schweiz AG
- Switching device and method for operating a switching device6 Dec 2022US 11,521,817 B2Eaton Intelligent Power Limited
- Electrical switching system17 May 2022US 11,335,524 B2ABB Schweiz AG
- DC circuit breaker having arc blowout device16 Nov 2021US 11,177,098 B2Lsis Co., Ltd.
- Switch having an arc-quenching device24 Mar 2020US 10,600,588 B2Siemens Aktiengesellschaft
- Switchgear16 Jul 2026US 2026/0204500 A1Mitsubishi Electric Corporation
- Switching device20 Apr 2023US 2023/0123517 A1ABB Schweiz AG
- Electrical switching system18 Nov 2021US 2021/0358701 A1ABB Schweiz AG
- Switching device and method for operating a switching device30 Sep 2021US 2021/0304995 A1Eaton Intelligent Power Limited
- Dc circuit breaker having arc blowout device9 Apr 2020US 2020/0111629 A1Lsis Co., Ltd.
Most cited
By later US patents
- Vacuum switch provided with horseshoe-shaped elements for generating an axial magnetic field11US 4,636,600 AHolec Systemen & Componenten B.V. · 1987
- Electrode arrangement of vacuum circuit breaker with magnetic member for longitudinal magnetization11US 6,080,952 AKabushiki Kaisha Toshiba · 2000
- Non-linear magnetic field distribution in vacuum interrupter contacts9US 6,747,233 B1ABB Technology AG · 2004
- Contact arrangement for vacuum switches8US 4,675,483 ASiemens Aktiengesellschaft · 1987
- Vacuum valve8US 6,376,791 B1Kabushiki Kaisha Toshiba · 2002