H01H 51/10
Contacts retained open or closed by a latch which is controlled by
Official title: Contacts retained open or closed by a latch which is controlled by an electromagnet
H01H51/10 (Contacts retained open or closed by a latch which is controlled by) appears on 30 US grants and 25 published applications in this corpus.
Search patents in H01H- Granted patents
- 30
- Published applications
- 25
- Assignees
- 24
- Inventors
- 53
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 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 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 5 |
| 2016 | 4 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 1 | 3 |
| 2020 | 0 | 2 |
| 2021 | 2 | 1 |
| 2022 | 4 | 2 |
| 2023 | 2 | 2 |
| 2024 | 2 | 4 |
| 2025 | 2 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Latch assembly and magnetic contactor including same20 Jan 2026US 12,531,198 B2Ls Electric Co., Ltd.
- Magnetic momentum transfer generator23 Dec 2025US 12,505,969 B2Wepower Technologies LLC
- Contactor with multi-gap actuator20 May 2025US 12,308,190 B2TE Connectivity Solutions GmbH
- Electromagnetic actuator and method for controlling an electromagnetic actuator10 Sep 2024US 12,087,533 B2Schneider Electric Industries SAS
- Magnetic momentum transfer generator27 Feb 2024US 11,915,898 B2Wepower Technologies LLC
- Magnetic momentum transfer generator9 Apr 2026US 2026/0100321 A1Wepower Technologies LLC
- Intelligent contactor latching block5 Feb 2026US 2026/0038758 A1Schneider Electric USA, Inc.
- Contact piece structure and magnetic latching relay21 Nov 2024US 2024/0387133 A1Xiamen Hongfa Electric Power Controls Co., Ltd.
- Fixing frame and magnetic latching relay21 Nov 2024US 2024/0387138 A1Xiamen Hongfa Electric Power Controls Co., Ltd.
- Magnetic momentum transfer generator31 Oct 2024US 2024/0363300 A1Wepower Technologies LLC
Most cited
By later US patents
- Mechanical latching relays and method for operating the relays18US 9,281,147 B2Elbex Video Ltd. · 2016
- Drive circuit for DC latching devices17US 8,183,719 B2Hunter Industries, Inc. · 2012
- Mechanical latching hybrid switches and method for operating hybrid switches15US 9,257,251 B2Elbex Video Ltd. · 2016
- Electric control apparatus with an electromechanical latch device11US 4,307,361 AWestinghouse Electric Corp. · 1981
- Electric power interrupting switch11US 4,388,535 AAutomatic Switch Company · 1983