H01H 51/2281
Contacts rigidly combined with armature
Official title: {Contacts rigidly combined with armature}
H01H51/2281 (Contacts rigidly combined with armature) appears on 72 US grants and 22 published applications in this corpus.
Search patents in H01H- Granted patents
- 72
- Published applications
- 22
- Assignees
- 34
- Inventors
- 127
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 3 |
| 2010 | 2 | 3 |
| 2011 | 3 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 3 |
| 2014 | 2 | 0 |
| 2015 | 1 | 3 |
| 2016 | 3 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 3 |
| 2019 | 1 | 2 |
| 2020 | 3 | 0 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 2 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- High-voltage relay with improved mechanical shock tolerance for a drive or charging circuit of an electric vehicle with a rocker as armature4 Nov 2025US 12,462,996 B2TE Connectivity Germany GmbH
- Stabilization suspensions and methods of manufacture15 Nov 2022US 11,503,211 B2Hutchinson Technology Incorporated
- Electromagnetic switch21 Sep 2021US 11,127,541 B2Phoenix Contact GmbH & Co.KG
- Electromagnetic relay1 Dec 2020US 10,854,409 B2Fujitsu Component Limited
- Electromagnetic relay28 Apr 2020US 10,636,600 B2EM Devices Corporation
- Contactor for vehicle, vehicle charging and power distribution system, charging pile, and vehicle28 Mar 2024US 2024/0100975 A1BYD Company Limited
- High-voltage Relay with Improved Mechanical Shock Tolerance for a Drive or Charging Circuit of an Electric Vehicle with a Rocker as Armature11 May 2023US 2023/0148105 A1TE Connectivity Germany GmbH
- Stabilization Suspensions And Methods Of Manufacture9 Feb 2023US 2023/0044275 A1Hutchinson Technology Incorporated
- Stabilization Suspensions And Methods Of Manufacture18 Feb 2021US 2021/0051258 A1Hutchinson Technology Incorporated
- Electromagnetic switch3 Oct 2019US 2019/0304712 A1Phoenix Contact GmbH & Co.KG
Most cited
By later US patents
- Polarized electromagnetic relay62US 4,695,813 AMatsushita Electric Works, Ltd. · 1987
- Microrelay and a method for producing the same53US 5,398,011 ASharp Kabushiki Kaisha · 1995
- Relay having two switches that can be actuated in opposite directions35US 9,275,815 B2Phoenix Contact GmbH & Co.KG · 2016
- Polarized electromagnetic actuator device34US 4,703,293 AMatsushita Electric Works, Ltd. · 1987
- Electronmagnetic device29US 5,608,366 AOMRON Corporation · 1997