H01H 2033/912
Liquified gases
Official title: {Liquified gases, e.g. liquified SF6}
H01H2033/912 (Liquified gases) appears on 12 US grants and 5 published applications in this corpus.
Search patents in H01H- Granted patents
- 12
- Published applications
- 5
- Assignees
- 6
- Inventors
- 30
- Latest grant
- 23 Aug 2016
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 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 | 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 | 0 |
| 2014 | 0 | 2 |
| 2015 | 1 | 1 |
| 2016 | 3 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Switch assembly, a switching device comprising a switch assembly, a switchgear comprising a switching device and a method for cooling23 Aug 2016US 9,425,006 B2ABB Technology AG
- Circuit breaker with fluid injection9 Aug 2016US 9,412,541 B2ABB Technology AG
- Circuit breaker with fluid injection12 Apr 2016US 9,312,085 B2ABB Technology AG
- Bypass switch assembly4 Aug 2015US 9,099,268 B2ABB Technology AG
- Puffer type liquefied-gas self-injection circuit breaker5 Apr 1988US 4,736,080 AHydro-Quebec
- Self-blast circuit breaker and auxiliary nozzle therefor25 Jun 2026US 2026/0179865 A1Mitsubishi Electric Power Products, Inc.
- Switch Assembly, A Switching Device Comprising A Switch Assembly, A Switchgear Comprising A Switching Device And A Method For Cooling3 Mar 2016US 2016/0064171 A1ABB Technology AG
- Bypass switch assembly23 Apr 2015US 2015/0108091 A1ABB Technology AG
- Circuit Breaker With Fluid Injection2 Oct 2014US 2014/0291291 A1ABB Technology AG
- Circuit Breaker With Fluid Injection2 Oct 2014US 2014/0291292 A1ABB Technology AG
Most cited
By later US patents
- Protracted-blast electric circuit-breaker for alternating currents5US 4,034,175 A1977
- Liquid SF.sub.6 puffer type circuit interrupter4US 4,268,733 AGould Inc. · 1981
- Liquid interrupter module4US 4,273,978 AElectric Power Research Institute, Inc. · 1981
- Liquid SF.sub.6 interrupter with arc energy driven piston and contact4US 4,434,336 ABrown Boveri Electric Inc. · 1984
- Circuit interrupter using dielectric liquid with energy storage3US 4,307,274 AElectric Power Research Institute, Inc. · 1981