H01H 77/101
With increasing of contact pressure by electrodynamic forces before opening
Official title: {with increasing of contact pressure by electrodynamic forces before opening}
H01H77/101 (With increasing of contact pressure by electrodynamic forces before opening) appears on 28 US grants and 14 published applications in this corpus.
Search patents in H01H- Granted patents
- 28
- Published applications
- 14
- Assignees
- 22
- Inventors
- 69
- Latest grant
- 7 Aug 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 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 | 1 |
| 2010 | 0 | 3 |
| 2011 | 3 | 1 |
| 2012 | 2 | 2 |
| 2013 | 1 | 2 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 2 | 2 |
| 2017 | 1 | 1 |
| 2018 | 2 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Device for transmission of forces7 Aug 2018US 10,043,623 B2Siemens Aktiengesellschaft
- Structure of contacts for air circuit breaker10 Jul 2018US 10,020,128 B2Lsis Co., Ltd.
- Electric switch25 Jul 2017US 9,715,985 B2Tyco Electronics Austria GmbH
- Electromagnetically enhanced contact separation in a circuit breaker9 Aug 2016US 9,412,549 B2General Electric Company
- Contact mechanism of an electric switching device23 Feb 2016US 9,269,505 B2Eaton Electrical IP GmbH & Co. KG
- Contactor and control method thereof10 Apr 2025US 2025/0118515 A1Schneider Electric Industries SAS
- Structure of contacts for air circuit breaker29 Jun 2017US 2017/0186562 A1Lsis Co., Ltd.
- Device for transmission of forces23 Jun 2016US 2016/0181037 A1Siemens Aktiengesellschaft
- Electric Switch14 Jan 2016US 2016/0012997 A1Tyco Electronics Austria GmbH
- Electromagnetically enhanced contact separation in a circuit breaker20 Aug 2015US 2015/0235793 A1General Electric Company
Most cited
By later US patents
- Circuit breaker with high electrodynamic strength and breaking capacity98US 6,018,284 ASchneider Electric Industries SAS · 2000
- Contactor having self-protection means against the effect of the forces of repulsion between the contacts33US 4,513,270 ALa Telemecanique Electrique · 1985
- Circuit breaker with force generating shunt29US 4,656,444 AWestinghouse Electric Corp. · 1987
- Electromagnetic switching device23US 6,150,909 ASiemens Aktiengesellschaft · 2000
- Current limiting circuit breaker with improved magnetic drive device16US 4,132,968 AWestinghouse Electric Corp. · 1979