H01H 33/6645
In which the coil like electrical connections encircle at least once the
Official title: {in which the coil like electrical connections encircle at least once the contact rod}
H01H33/6645 (In which the coil like electrical connections encircle at least once the) appears on 25 US grants and 13 published applications in this corpus.
Search patents in H01H- Granted patents
- 25
- Published applications
- 13
- Assignees
- 13
- Inventors
- 43
- Latest grant
- 31 Oct 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 2 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 2 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2014 | 2 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Vacuum interrupter and vacuum breaker31 Oct 2023US 11,804,346 B2Meidensha Corporation
- Contact for a high-voltage vacuum arc extinguishing chamber13 Nov 2018US 10,128,070 B2Zhejiang Ziguang Electric Appliance Co., Ltd
- Winding for a contact of a medium-voltage vacuum circuit-breaker with improved arc extinction, and an associated circuit-breaker and vacuum circuit-breaker, such as an AC generator disconnector circuit-breaker16 Sep 2014US 8,835,790 B2Schneider Electric Energy France
- Vacuum switch and electrode assembly therefor29 Apr 2014US 8,710,389 B2Eaton Corporation
- Contact backing for a vacuum interrupter28 May 2013US 8,450,630 B2Cooper Technologies Company
- Vacuum valve8 Jun 2023US 2023/0178315 A1Mitsubishi Electric Corporation
- Vacuum interrupter and vacuum breaker20 Apr 2023US 2023/0118133 A1Meidensha Corporation
- A Contact for a High-Voltage Vacuum Arc Extinguishing Chamber10 Nov 2016US 2016/0329180 A1Zhejiang Ziguang Electric Appliance Co., Ltd
- Vacuum switch and electrode assembly therefor16 May 2013US 2013/0119021 A1Eaton Corporation
- Winding for a contact of a medium-voltage vacuum circuit-breaker with improved arc extinction, and an associated circuit-breaker and vacuum circuit-breaker, such as an ac generator disconnector circuit-breaker19 Jul 2012US 2012/0181254 A1Schneider Electric Energy France
Most cited
By later US patents
- Vacuum type circuit interrupter with a contact having integral axial magnetic field means24US 4,117,288 AWestinghouse Electric Corp. · 1978
- Self-fixturing system for a vacuum interrupter19US 6,867,385 B2McGraw-Edison Company · 2005
- Method for making an electrode assembly15US 7,721,428 B2Cooper Technologies Company · 2010
- Insulated type switching device13US 5,719,365 AHitachi, Ltd. · 1998
- Contact apparatus for vacuum switches11US 4,453,054 ASiemens Aktiengesellschaft · 1984