H02B 7/01
Gas-insulated
Official title: gas-insulated
H02B7/01 (Gas-insulated) appears on 28 US grants and 22 published applications in this corpus.
Search patents in H02B- Granted patents
- 28
- Published applications
- 22
- Assignees
- 20
- Inventors
- 91
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 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 | 3 |
| 2014 | 1 | 2 |
| 2015 | 2 | 4 |
| 2016 | 3 | 2 |
| 2017 | 1 | 3 |
| 2018 | 3 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 2 |
| 2021 | 1 | 3 |
| 2022 | 1 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Installation and method for distributing a gaseous dielectric mixture to a gas insulated electrical system25 Aug 2026US 12,718,973 B2Air Liquide Electronics Systems
- Gas insulated substation cabinet for precise air supply control23 Jun 2026US 12,665,395 B2Hangzhou Electric Power Design Institute Co., LTD
- Power device comprising an insulation gas for use in an electric energy power arrangement21 Oct 2025US 12,451,674 B2Hitachi Energy Ltd
- Compartment for a medium voltage air or gas insulated switchgear20 Feb 2024US 11,909,181 B2ABB Schweiz AG
- Camera to observe the switched position of a switch contact7 Feb 2023US 11,575,808 B2Siemens Aktiengesellschaft
- Installation and method for distributing a gaseous dielectric mixture to a gas insulated electrical system11 Jun 2026US 2026/0162854 A1Air Liquide Electronics Systems
- Power device comprising an insulation gas for use in an electric energy power arrangement19 Dec 2024US 2024/0421569 A1Hitachi Energy Ltd
- Gas insulated substation cabinet for precise air supply control23 Nov 2023US 2023/0378726 A1Hangzhou Electric Power Design Institute Co., LTD
- Electrical Energy Transmission Device And Life Cycle Management28 Oct 2021US 2021/0336479 A1Siemens Aktiengesellschaft
- Camera to observe the switched position of a switch contact7 Oct 2021US 2021/0314472 A1Siemens Aktiengesellschaft
Most cited
By later US patents
- Compact energy storage system53US 5,610,802 AZB B Technologies, Inc. · 1997
- Package substation in tank with separate chambers29US 4,500,935 AMitsubishi Denki Kabushiki Kaisha · 1985
- Switchgear enclosure with improved supporting frame and improved access door18US 4,821,143 ACooper Power Systems, Inc. · 1989
- Gas insulated switchgear with withdrawable circuit breaker unit12US 8,717,742 B2Hyundai Heavy Industries Co., Ltd. · 2014
- Gas-insulated switchgear apparatus11US 4,866,569 AHitachi, Ltd. · 1989