H01H 33/904
Characterised by the transmission between operating mechanism and piston or movable contact
Official title: {characterised by the transmission between operating mechanism and piston or movable contact}
H01H33/904 (Characterised by the transmission between operating mechanism and piston or movable contact) appears on 40 US grants and 22 published applications in this corpus.
Search patents in H01H- Granted patents
- 40
- Published applications
- 22
- Assignees
- 25
- Inventors
- 90
- Latest grant
- 25 Aug 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 1 | 5 |
| 2009 | 2 | 1 |
| 2010 | 2 | 3 |
| 2011 | 3 | 1 |
| 2012 | 1 | 0 |
| 2013 | 1 | 1 |
| 2014 | 3 | 1 |
| 2015 | 0 | 3 |
| 2016 | 0 | 0 |
| 2017 | 2 | 0 |
| 2018 | 0 | 3 |
| 2019 | 2 | 0 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Circuit breaker comprising an improved compression chamber25 Aug 2020US 10,755,879 B2General Electric Technology GmbH
- Gas circuit breaker9 Apr 2019US 10,256,060 B2Hitachi, Ltd.
- Circuit breaker equipped with an extensible exhaust cover1 Jan 2019US 10,170,256 B2General Electric Technology GmbH
- Electrical switching device with a triple motion contact arrangement18 Apr 2017US 9,627,155 B2ABB Schweiz AG
- Electrical apparatus with dual movement of contacts comprising a return device with two levers10 Jan 2017US 9,543,081 B2ALSTOM Technology Ltd
- Circuit breaker comprising an improved compression chamber22 Nov 2018US 2018/0337012 A1General Electric Technology GmbH
- Gas Circuit Breaker28 Jun 2018US 2018/0182578 A1Hitachi, Ltd.
- Circuit breaker equipped with an extensible exhaust cover11 Jan 2018US 2018/0012715 A1General Electric Technology GmbH
- Electrical apparatus with dual movement of contacts comprising a return device with two levers10 Dec 2015US 2015/0357128 A1ALSTOM Technology Ltd
- Electrical Switching Device With A Triple Motion Contact Arrangement1 Oct 2015US 2015/0279582 A1ABB Technology AG
Most cited
By later US patents
- Power breaker20US 5,902,978 AAsea Brown Boveri AG · 1999
- Compressed gas-blast circuit breaker18US 5,578,806 AABB Management AG · 1996
- Compact low force dead tank circuit breaker interrupter17US 5,478,980 AABB Power T&D Company Inc. · 1995
- Self extinguishing type gas circuit breaker15US 4,459,447 AMitsubishi Denki Kabushiki Kaisha · 1984
- Generator circuit breaker having a single mechanical control mechanism15US 6,013,888 AGEC Alsthom T & D SA · 2000