H01H 9/446
Using magnetisable elements associated with the contacts
Official title: {using magnetisable elements associated with the contacts}
H01H9/446 (Using magnetisable elements associated with the contacts) appears on 86 US grants and 53 published applications in this corpus.
Search patents in H01H- Granted patents
- 86
- Published applications
- 53
- Assignees
- 50
- Inventors
- 208
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 4 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 4 |
| 2009 | 2 | 2 |
| 2010 | 4 | 2 |
| 2011 | 1 | 3 |
| 2012 | 3 | 2 |
| 2013 | 1 | 2 |
| 2014 | 1 | 0 |
| 2015 | 1 | 3 |
| 2016 | 4 | 1 |
| 2017 | 4 | 2 |
| 2018 | 0 | 0 |
| 2019 | 4 | 4 |
| 2020 | 2 | 6 |
| 2021 | 5 | 3 |
| 2022 | 5 | 1 |
| 2023 | 1 | 5 |
| 2024 | 1 | 3 |
| 2025 | 3 | 1 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Switch5 May 2026US 12,620,538 B2Mitsubishi Electric Corporation
- High-voltage DC relay with permanent magnet arc extinguishing function24 Feb 2026US 12,562,320 B2Xiamen Hongfa Electric Power Controls Co., Ltd.
- Contact device and electromagnetic relay equipped with same12 Aug 2025US 12,387,896 B2Panasonic Intellectual Property Management Co., Ltd.
- Air circuit breaker8 Apr 2025US 12,272,507 B2Ls Electric Co., Ltd.
- Switching device11 Feb 2025US 12,224,136 B2ABB Schweiz AG
- Switching device30 Jul 2026US 2026/0221367 A1Ellenberger & Poensgen GmbH
- Switching device with terminal contacts4 Jun 2026US 2026/0155319 A1Eaton Intelligent Power Limited
- High-voltage dc relay with permanent magnet arc extinguishing function4 Jun 2026US 2026/0155321 A1Xiamen Hongfa Electric Power Controls Co., Ltd.
- Relay28 May 2026US 2026/0148920 A1Xiamen Hongfa Electric Power Controls Co., Ltd.
- Switching unit21 May 2026US 2026/0142096 A1Ellenberger & Poensgen GmbH
Most cited
By later US patents
- Molded case circuit breaker contact109US 5,313,180 AMerlin Gerin · 1994
- Molded case circuit breaker with contact bridge slowed down at the end of repulsion travel106US 5,310,971 AMerlin Gerin · 1994
- Circuit breaker with high electrodynamic strength and breaking capacity98US 6,018,284 ASchneider Electric Industries SAS · 2000
- Circuit breaker with arc quenching device and vent38US 5,589,672 AFuji Electric Co., Ltd. · 1996
- Circuit breaker arc quenching device with venting structure including flapper valve27US 5,569,894 AFuji Electric Co., Ltd. · 1996