H01H 71/503
Means for increasing the opening stroke of the contacts
Official title: {Means for increasing the opening stroke of the contacts}
H01H71/503 (Means for increasing the opening stroke of the contacts) appears on 19 US grants and 11 published applications in this corpus.
Search patents in H01H- Granted patents
- 19
- Published applications
- 11
- Assignees
- 15
- Inventors
- 51
- Latest grant
- 14 May 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 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 | 2 | 3 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 2 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Circuit breaker14 May 2024US 11,984,282 B2Ellenberger & Poensgen GmbH
- Switching device with lock open component6 Sep 2022US 11,437,202 B2Rockwell Automation Switzerland GmbH
- Electrical switching apparatus and contact assembly therefor26 Dec 2017US 9,852,857 B2Eaton Corporation
- Electrical switching apparatus and contact assembly therefor11 Apr 2017US 9,620,301 B2Eaton Corporation
- Fast closing mechanism31 May 2016US 9,355,799 B2Seari Electric Technology Co., Ltd.
- Circuit breaker21 Apr 2022US 2022/0122791 A1Ellenberger & Poensgen GmbH
- Switching device with jump-on mechanism30 Dec 2021US 2021/0407745 A1Rockwell Automation Switzerland GmbH
- Electrical switching apparatus and contact assembly therefor6 Jul 2017US 2017/0194117 A1Eaton Corporation
- Electrical switching apparatus and contact assembly therefor9 Jun 2016US 2016/0163472 A1Eaton Corporation
- Limiter type blow open air circuit breaker20 Aug 2015US 2015/0235796 A1General Electric Company
Most cited
By later US patents
- Switch including breaker25US 5,638,038 AAlps Electric Co., Ltd. · 1997
- Positive resetting close latch for closing electrical switching apparatus17US 7,449,653 B2Eaton Corporation · 2008
- Molded case circuit breaker having improved trip unit14US 5,258,733 AEaton Corporation · 1993
- Catchment mechanism to prevent camshaft over-rotation during closure in a direct-drive stored energy mechanism11US 7,449,652 B2Eaton Corporation · 2008
- Circuit breaker10US 4,536,726 AMatsushita Electric Works, Ltd. · 1985