H01H 21/56
Making contact in one position only
Official title: making contact in one position only
H01H21/56 (Making contact in one position only) appears on 7 US grants and 6 published applications in this corpus.
Search patents in H01H- Granted patents
- 7
- Published applications
- 6
- Assignees
- 6
- Inventors
- 13
- Latest grant
- 21 Jun 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 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 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Switch circuit, switch device, and system21 Jun 2022US 11,366,164 B2Alps Alpine Co., Ltd.
- Electrical test switch with solidifying base9 Jun 2020US 10,679,805 B2
- Snapped in rotating arc housing assembly for safety switch8 Oct 2019US 10,439,371 B1Schneider Electric USA, Inc.
- Knife switch assembly, an electric power distribution switchgear and a method for preventing electric discharges27 Jun 2017US 9,691,561 B2ABB Schweiz AG
- Dual breaking point electrical joint2 Jul 2013US 8,476,546 B2Schneider Electric USA, Inc.
- Meter switch guard9 Feb 2023US 2023/0038566 A1E.J. Brooks Company d.b.a. Brooks Utility Products Group
- Switch circuit, switch device, and system13 May 2021US 2021/0141017 A1Alps Alpine Co., Ltd.
- Electrical test switch with solidifying base19 Apr 2018US 2018/0108503 A1
- Knife Switch Assembly, An Electric Power Distribution Switchgear And A Method For Preventing Electric Discharges20 Apr 2017US 2017/0110263 A1ABB Schweiz AG
- Re-combiner box of photovoltaic system7 Feb 2013US 2013/0033115 A1General Electric Company
Most cited
By later US patents
- Mount for attachment of a switch operating mechanism to a switch5US 5,053,590 ASiemens Energy & Automation, Inc. · 1991
- Dual breaking point electrical joint5US 8,476,546 B2Schneider Electric USA, Inc. · 2013
- Emergency vehicle battery circuit breaker4US 4,591,675 A1986
- Snapped in rotating arc housing assembly for safety switch2US 10,439,371 B1Schneider Electric USA, Inc. · 2019
- Knife switch assembly, an electric power distribution switchgear and a method for preventing electric discharges2US 9,691,561 B2ABB Schweiz AG · 2017