H02B 13/055
Features relating to the gas
H02B13/055 (Features relating to the gas) appears on 81 US grants and 92 published applications in this corpus.
Search patents in H02B- Granted patents
- 81
- Published applications
- 92
- Assignees
- 49
- Inventors
- 227
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 3 |
| 2013 | 0 | 2 |
| 2014 | 6 | 6 |
| 2015 | 1 | 3 |
| 2016 | 4 | 6 |
| 2017 | 2 | 6 |
| 2018 | 7 | 18 |
| 2019 | 4 | 5 |
| 2020 | 10 | 6 |
| 2021 | 9 | 5 |
| 2022 | 4 | 7 |
| 2023 | 1 | 5 |
| 2024 | 6 | 6 |
| 2025 | 5 | 4 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Gas insulated electric apparatus15 Sep 2026US 12,738,719 B2Hitachi Energy Ltd
- Installation and method for distributing a gaseous dielectric mixture to a gas insulated electrical system25 Aug 2026US 12,718,973 B2Air Liquide Electronics Systems
- Electrical apparatus, filing apparatus and storage apparatus27 Jan 2026US 12,537,151 B2AGC Inc.
- Gas-insulated switching device using C3HCIF4 or C4H2F628 Oct 2025US 12,456,851 B2AGC Inc.
- Power device comprising an insulation gas for use in an electric energy power arrangement21 Oct 2025US 12,451,674 B2Hitachi Energy Ltd
- Method for distributing a mixture in a gaseous state30 Jul 2026US 2026/0218856 A1Air Liquide Electronics Systems
- Gas-insulated electrical apparatus comprising heptafluoroisobutyronitrile and heptafluoroisopropyl(trifluoromethyl)ketone9 Jul 2026US 2026/0196378 A1GE Vernova Infrastructure Technology LLC
- Installation and method for distributing a gaseous dielectric mixture to a gas insulated electrical system11 Jun 2026US 2026/0162854 A1Air Liquide Electronics Systems
- Modular high-voltage switching system and method28 May 2026US 2026/0149242 A1Micatu Inc.
- Insulating gas used for electrical insulation or arc extinguishing by replacing sf6 gas and electrical device using same5 Feb 2026US 2026/0038709 A1Korea Electro Technology Research Institute
Most cited
By later US patents
- Control apparatus or system for purged and pressurized enclosures for electrical equipment37US 5,101,710 ABebco Industries, Inc. · 1992
- Gaseous insulators for high voltage electrical equipment29US 4,257,905 AThe United States of America as represented by the United States Department of Energy · 1981
- Gas-insulated electric device29US 4,565,901 AMitsubishi Denki Kabushiki Kaisha · 1986
- Supersaturated vapor dielectrics26US 4,440,971 AElectric Power Research Institute, Inc. · 1984
- Gaseous insulators for high voltage electrical equipment14US 4,175,048 AThe United States of America as represented by the United States Department of Energy · 1979