H01H 33/562
Means for avoiding liquefaction or for disposing of liquefaction products
Official title: {Means for avoiding liquefaction or for disposing of liquefaction products}
H01H33/562 (Means for avoiding liquefaction or for disposing of liquefaction products) appears on 29 US grants and 16 published applications in this corpus.
Search patents in H01H- Granted patents
- 29
- Published applications
- 16
- Assignees
- 28
- Inventors
- 61
- Latest grant
- 28 May 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 2 |
| 2018 | 3 | 5 |
| 2019 | 1 | 1 |
| 2020 | 1 | 0 |
| 2021 | 2 | 0 |
| 2022 | 1 | 2 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Gas insulating device with anti-liquification means28 May 2024US 11,996,251 B2GE Infrastructure Technology LLC
- Circuit breaker enclosure having integrated pass-through30 Aug 2022US 11,430,623 B2Hitachi Energy Switzerland AG
- Distribution of a dielectric gaseous mixture to a high-voltage apparatus11 May 2021US 11,005,241 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Insulation fluid heating apparatus and method4 May 2021US 10,999,897 B2ABB Power Grids Switzerland AG
- Method and facility for filling a gas-insulated electrical apparatus comprising a mixture of (CF3)2CFCN and CO28 Sep 2020US 10,770,198 B2General Electric Technology GmbH
- Method for distributing a mixture in a gaseous state30 Jul 2026US 2026/0218856 A1Air Liquide Electronics Systems
- A circuit breaker30 Apr 2026US 2026/0120985 A1Hitachi Energy Ltd
- Gas insulating device with anti-liquification means10 Nov 2022US 2022/0359138 A1General Electric Technology GmbH
- Circuit breaker enclosure having integrated pass-through10 Feb 2022US 2022/0044893 A1ABB Power Grids Switzerland AG
- Distribution of a dielectric gaseous mixture to a high-voltage apparatus8 Aug 2019US 2019/0245330 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
Most cited
By later US patents
- Breaker blanket heating and insulation unit36US 6,147,333 AMetatech Corporation · 2000
- High voltage transmission switching apparatus with gas monitoring device28US 5,388,451 AConsolidated Electronics Inc. · 1995
- Gas insulated circuit breaker23US 4,027,125 AAllis-Chalmers Corporation · 1977
- Gas insulated switchgear23US 7,816,618 B2Kabushiki Kaisha Toshiba · 2010
- High voltage circuit breaker with internal tank heater11US 7,102,101 B1Pennsylvania Breaker LLC · 2006