H01H 50/305
Damping vibration due to functional movement of armature
Official title: {damping vibration due to functional movement of armature (in air-gap H01H50/163)}
H01H50/305 (Damping vibration due to functional movement of armature) appears on 104 US grants and 72 published applications in this corpus.
Search patents in H01H- Granted patents
- 104
- Published applications
- 72
- Assignees
- 71
- Inventors
- 204
- Latest grant
- 10 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 1 |
| 2004 | 3 | 2 |
| 2005 | 0 | 1 |
| 2006 | 2 | 1 |
| 2007 | 1 | 2 |
| 2008 | 1 | 2 |
| 2009 | 1 | 3 |
| 2010 | 2 | 3 |
| 2011 | 2 | 1 |
| 2012 | 4 | 7 |
| 2013 | 6 | 4 |
| 2014 | 3 | 7 |
| 2015 | 6 | 10 |
| 2016 | 7 | 3 |
| 2017 | 3 | 3 |
| 2018 | 3 | 2 |
| 2019 | 1 | 5 |
| 2020 | 3 | 3 |
| 2021 | 3 | 3 |
| 2022 | 5 | 4 |
| 2023 | 2 | 3 |
| 2024 | 5 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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- Electromagnetic relay with seal between cantact case and drive device3 Sep 2024US 12,080,500 B2OMRON Corporation
- Electromagnetic relay12 Sep 2024US 2024/0304404 A1Xiamen Hongfa Automotive Electronics Co., Ltd.
- Relay, battery distribution box and battery pack21 Sep 2023US 2023/0298838 A1CALB Co., Ltd.
- Electromagnetic relay6 Apr 2023US 2023/0104469 A1OMRON Corporation
- Systems and methods for controlling a position of contacts in a relay device2 Feb 2023US 2023/0029786 A1Rockwell Automation Technologies, Inc.
- Contact Apparatus and Electromagnetic Switch22 Dec 2022US 2022/0406544 A1Huawei Digital Power Technologies Co., Ltd.
Most cited
By later US patents
- Electromagnetic contactor with energy balanced closing system101US 4,893,102 AWestinghouse Electric Corp. · 1990
- Recloser means for reclosing interrupted high voltage electric circuit means66US 5,175,403 ACooper Power Systems, Inc. · 1992
- Electromagnetic switch means for a flow control device and the like having reduced shock levels61US 4,236,132 ABaxter Travenol Laboratories, Inc. · 1980
- Contact device56US 7,859,373 B2Panasonic Electric Works Co., Ltd. · 2010
- High energy transfer relay33US 5,872,497 APhysio-Control, Inc. · 1999