H01H 33/78
Wherein the break is in gas
Official title: wherein the break is in gas (in air at atmospheric pressure H01H33/77)
H01H33/78 (Wherein the break is in gas) appears on 15 US grants and 18 published applications in this corpus.
Search patents in H01H- Granted patents
- 15
- Published applications
- 18
- Assignees
- 10
- Inventors
- 48
- Latest grant
- 17 Jan 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 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 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 4 |
| 2016 | 4 | 1 |
| 2017 | 0 | 1 |
| 2018 | 2 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 2 |
| 2021 | 1 | 3 |
| 2022 | 3 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Switching device17 Jan 2023US 11,557,448 B2TDK Electronics Co., Ltd.
- Electric arc-blast nozzle made of a material comprising micro-capsules of liquid (CF3)2CFCN and a circuit breaker including such a nozzle4 Oct 2022US 11,462,377 B2General Electric Technology GmbH
- Insulating molded body and gas circuit breaker3 May 2022US 11,322,322 B2Mitsubishi Electric Corporation
- Circuit interrupter1 Mar 2022US 11,264,192 B2Panasonic Intellectual Property Management Co., Ltd.
- Circuit breaker comprising a ceria-based catalyst for CO conversion into CO26 Jul 2021US 11,056,300 B2General Electric Technology GmbH
- Switching device6 Jun 2024US 2024/0186089 A1Mitsubishi Electric Corporation
- An electric arc-blast nozzle made of a material comprising micro-capsules of liquid (cf3)2cfcn and a circuit breaker including such a nozzle23 Dec 2021US 2021/0398762 A1General Electric Technology GmbH
- Switching Device20 May 2021US 2021/0151269 A1TDK Electronics Co., Ltd.
- Circuit interrupter4 Mar 2021US 2021/0066007 A1Panasonic Intellectual Property Management Co., Ltd.
- Insulating molded body and gas circuit breaker12 Nov 2020US 2020/0357587 A1Mitsubishi Electric Corporation
Most cited
By later US patents
- Power breaker16US 5,925,863 AABB Research Ltd. · 1999
- Electrical loadbreak arc quenching and containing assembly11US 3,984,651 AMcGraw-Edison Company · 1976
- Contact apparatus3US 10,102,991 B2Panasonic Intellectual Property Management Co., Ltd. · 2018
- Medium-voltage or high voltage electrical switchgear3US 7,754,991 B2Areva T&D SA · 2010
- Gas circuit breaker2US 9,230,759 B2Mitsubishi Electric Corporation · 2016