H01H 33/80
Flow of arc-extinguishing fluid from a pressure source being controlled by a
Official title: flow of arc-extinguishing fluid from a pressure source being controlled by a valve
H01H33/80 (Flow of arc-extinguishing fluid from a pressure source being controlled by a) appears on 26 US grants and 16 published applications in this corpus.
Search patents in H01H- Granted patents
- 26
- Published applications
- 16
- Assignees
- 22
- Inventors
- 75
- Latest grant
- 16 Jan 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 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 | 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 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 1 | 3 |
| 2017 | 1 | 2 |
| 2018 | 3 | 2 |
| 2019 | 1 | 2 |
| 2020 | 1 | 1 |
| 2021 | 2 | 2 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- High voltage electric power switch with carbon arcing electrodes and carbon dioxide dielectric gas16 Jan 2024US 11,875,957 B2Southern States, LLC
- High voltage electric power switch with carbon arcing electrodes and carbon dioxide dielectric gas5 Jul 2022US 11,380,501 B2Southern States, LLC
- Trigger element of a pressure trigger, pressure trigger with a trigger element of this kind and electric switch6 Jul 2021US 11,056,297 B2Siemens Aktiengesellschaft
- Pressure trip unit for an electrical switch and electrical switch with such a pressure trip unit6 Apr 2021US 10,971,316 B2Siemens Aktiengesellschaft
- Interrupter unit for a circuit breaker16 Jun 2020US 10,685,798 B2Siemens Aktiengesellschaft
- Circuit breaker device28 May 2026US 2026/0148916 A1Kabushiki Kaisha Toshiba
- High voltage electric power switch with carbon arcing electrodes and carbon dioxide dielectric gas8 Sep 2022US 2022/0285111 A1Southern States, LLC
- High Voltage Electric Power Switch with Carbon Arcing Electrodes and Carbon Dioxide Dielectric Gas1 Jul 2021US 2021/0202195 A1Southern States, LLC
- Gas Circuit Breaker18 Mar 2021US 2021/0082644 A1Hitachi, Ltd.
- Trigger element of a pressure trigger, pressure trigger with a trigger element of this kind and electric switch9 Jul 2020US 2020/0219686 A1Siemens Aktiengesellschaft
Most cited
By later US patents
- High-voltage circuit-interrupters20US 4,086,461 AReyrolle Parsons Limited · 1978
- Power breaker20US 5,902,978 AAsea Brown Boveri AG · 1999
- Circuit-breakers for high voltages13US 4,109,124 ACoq B.V. · 1978
- Circuit breaker having a single pull-rod operating system with a selective trip-free control4US 3,932,719 AAllis-Chalmers Corporation · 1976
- Circuit interrupting device4US 4,183,005 AS&C Electric Company · 1980