H01H 33/92
The arc-extinguishing fluid being liquid
Official title: the arc-extinguishing fluid being liquid, e.g. oil
H01H33/92 (The arc-extinguishing fluid being liquid) appears on 6 US grants and 3 published applications in this corpus.
Search patents in H01H- Granted patents
- 6
- Published applications
- 3
- Assignees
- 6
- Inventors
- 16
- Latest grant
- 16 Dec 2014
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 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 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Dielectric loaded fluids for high voltage switching16 Dec 2014US 8,912,460 B2The Curators of the University of Missouri
- Bayonet-type fuse and fuseholder assembly13 Jul 1993US 5,227,758 AGeneral Electric Company
- Oil-insulated switch24 Jan 1984US 4,427,860 AWestinghouse Electric Corp.
- Current interrupter for fault current limiter and method10 Feb 1981US 4,250,365 AElectric Power Research Institute, Inc.
- Oil circuit-breaker pump-assembly with improved shunting contact structure6 Jun 1978US 4,093,837 AWestinghouse Electric Corp.
- Self-blast circuit breaker using the two-phase state of a gas to improve the cut-off properties8 Jun 2017US 2017/0162349 A1ALSTOM Technology Ltd
- Disconnecting switch unit18 Feb 2016US 2016/0049269 A1Siemens Aktiengesellschaft
- Dielectric loaded fluids for high voltage switching14 Mar 2013US 2013/0062314 A1The Curators of the University of Missouri
Most cited
By later US patents