H01H 51/229
Blade-spring contacts alongside armature
Official title: {Blade-spring contacts alongside armature}
H01H51/229 (Blade-spring contacts alongside armature) appears on 39 US grants and 11 published applications in this corpus.
Search patents in H01H- Granted patents
- 39
- Published applications
- 11
- Assignees
- 16
- Inventors
- 77
- Latest grant
- 21 Sep 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 2 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 2 | 0 |
| 2015 | 0 | 3 |
| 2016 | 3 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 3 |
| 2019 | 1 | 1 |
| 2020 | 2 | 0 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Electromagnetic switch21 Sep 2021US 11,127,541 B2Phoenix Contact GmbH & Co.KG
- Electromagnetic relay28 Apr 2020US 10,636,600 B2EM Devices Corporation
- Electronic device24 Mar 2020US 10,602,613 B2OMRON Corporation
- Electromagnetic relay3 Sep 2019US 10,403,460 B2Panasonic Intellectual Property Management Co., Ltd.
- Electrical contact sets1 Nov 2016US 9,484,172 B2Johnson Electric S. A.
- Electromagnetic switch3 Oct 2019US 2019/0304712 A1Phoenix Contact GmbH & Co.KG
- Electromagnetic relay13 Sep 2018US 2018/0261413 A1EM Devices Corporation
- Electromagnetic relay14 Jun 2018US 2018/0166240 A1Panasonic Intellectual Property Management Co., Lt D.
- Electronic device8 Mar 2018US 2018/0070449 A1OMRON Corporation
- Electrical contact sets5 Nov 2015US 2015/0318134 A1Johnson Electric S. A.
Most cited
By later US patents
- Polarized electromagnetic relay62US 4,695,813 AMatsushita Electric Works, Ltd. · 1987
- 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
- Polarized relay16US 5,337,029 AMatsushita Electric Works, Ltd. · 1994