H01H 2051/2218
Having at least one movable permanent magnet
Official title: {having at least one movable permanent magnet}
H01H2051/2218 (Having at least one movable permanent magnet) appears on 79 US grants and 42 published applications in this corpus.
Search patents in H01H- Granted patents
- 79
- Published applications
- 42
- Assignees
- 53
- Inventors
- 136
- Latest grant
- 27 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 6 | 0 |
| 1987 | 0 | 0 |
| 1988 | 7 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 3 |
| 2003 | 4 | 0 |
| 2004 | 2 | 3 |
| 2005 | 2 | 3 |
| 2006 | 2 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 3 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 1 |
| 2015 | 2 | 5 |
| 2016 | 1 | 6 |
| 2017 | 6 | 2 |
| 2018 | 1 | 3 |
| 2019 | 7 | 0 |
| 2020 | 1 | 2 |
| 2021 | 0 | 1 |
| 2022 | 2 | 3 |
| 2023 | 1 | 3 |
| 2024 | 1 | 0 |
| 2025 | 3 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Circuit breaker27 May 2025US 12,311,784 B2Ellenberger & Poensgen GmbH
- Direct current relay and manufacturing method therefor11 Mar 2025US 12,249,473 B2Ls Electric Co., Ltd.
- Direct current relay21 Jan 2025US 12,205,786 B2Ls Electric Co., Ltd.
- Direct current relay15 Oct 2024US 12,119,190 B2Ls Electric Co., Ltd.
- Armature for electromagnetic actuator, an electromagnetic actuator, a switch device and a method for manufacturing an armature4 Apr 2023US 11,621,135 B2ABB Schweiz AG
- Switching device27 Aug 2026US 2026/0253825 A1Ellenberger & Poensgen GmbH
- Circuit breaker22 Jun 2023US 2023/0191912 A1Ellenberger & Poensagen GmbH
- Circuit breaker22 Jun 2023US 2023/0197385 A1Ellenberger & Poensgen GmbH
- Circuit breaker22 Jun 2023US 2023/0197390 A1Ellenberger & Poensgen GmbH
- Direct current relay21 Jul 2022US 2022/0230826 A1Ls Electric Co., Ltd.
Most cited
By later US patents
- Actuator145US 5,256,998 ATechnische Entwicklungen Dr. Becker GmbH · 1993
- Contact device63US 8,138,872 B2OMRON Corporation · 2012
- Permanent magnet actuator mechanism62US 6,501,357 B2Quizix, Inc. · 2002
- Linear motor58US 4,363,980 APolaroid Corporation · 1982
- Magnetic drive with a permanent-magnet armature51US 5,394,131 A1995