H01H 33/98
The flow of arc-extinguishing fluid being initiated by an auxiliary arc or
Official title: the flow of arc-extinguishing fluid being initiated by an auxiliary arc or a section of the arc, without any moving parts for producing or increasing the flow {(H01H33/901 takes precedence)}
H01H33/98 (The flow of arc-extinguishing fluid being initiated by an auxiliary arc or) appears on 68 US grants and 13 published applications in this corpus.
Search patents in H01H- Granted patents
- 68
- Published applications
- 13
- Assignees
- 21
- Inventors
- 115
- Latest grant
- 26 Oct 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 7 | 0 |
| 1981 | 10 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 1 |
| 2003 | 1 | 0 |
| 2004 | 2 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 2 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 2 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Front connected switchgear assembly having an integrated arc flash venting system26 Oct 2021US 11,159,000 B2Siemens Industry, Inc.
- Gas circuit breaker26 May 2020US 10,665,399 B2Mitsubishi Electric Corporation
- Gas-insulated electrical apparatus filled with a dielectric gas5 May 2020US 10,643,764 B2General Electric Technology GmbH
- Gas circuit breaker29 Mar 2016US 9,299,507 B2Mitsubishi Electric Corporation
- Gas circuit breaker5 Jan 2016US 9,230,750 B2Mitsubishi Electric Corporation
- Switching device with an isolating or earthing function8 May 2025US 2025/0149276 A1Siemens Energy Global GmbH & Co. KG
- Switching device6 Jun 2024US 2024/0186089 A1Mitsubishi Electric Corporation
- Front connected switchgear assembly having an integrated arc flash venting system16 Sep 2021US 2021/0288475 A1Siemens Industry, Inc.
- Gas circuit breaker28 Nov 2019US 2019/0362913 A1Mitsubishi Electric Corporation
- Gas-insulated electrical apparatus filled with a dielectric gas12 Jul 2018US 2018/0197656 A1General Electric Technology GmbH
Most cited
By later US patents
- Rotating arc and expansion circuit breaker87US 4,900,882 A1990
- Rotating arc circuit breaker with centrifugal extinguishing gas effect87US 5,001,313 AMerlin Gerin · 1991
- Electrical circuit breaker with rotating arc and self-extinguishing expansion87US 5,166,483 AMerlin Gerin · 1992
- Electrical circuit breaker with self-extinguishing expansion and insulating gas86US 5,057,655 AMerlin Gerin · 1991
- Electrical circuit breaker with rotating arc and self-extinguishing expansion85US 5,347,097 A1994