H02B 13/0655
Through monitoring changes of gas properties
Official title: {through monitoring changes of gas properties}
H02B13/0655 (Through monitoring changes of gas properties) appears on 28 US grants and 24 published applications in this corpus.
Search patents in H02B- Granted patents
- 28
- Published applications
- 24
- Assignees
- 23
- Inventors
- 87
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 5 |
| 2015 | 1 | 2 |
| 2016 | 4 | 1 |
| 2017 | 1 | 3 |
| 2018 | 2 | 1 |
| 2019 | 2 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 2 |
| 2024 | 3 | 3 |
| 2025 | 0 | 0 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and apparatus for gas leak detection18 Aug 2026US 12,710,334 B2ABB Schweiz AG
- Gas monitoring system and respective method17 Feb 2026US 12,555,729 B2Hitachi Energy Ltd
- Gas monitoring system14 May 2024US 11,982,590 B2Siemens Energy Global GmbH & Co. KG
- Gas monitoring system for gas-insulated switchgears30 Apr 2024US 11,971,442 B2Siemens Energy Global GmbH & Co. KG
- Lifetime prediction of a gas filling of an electrical switchgear12 Mar 2024US 11,927,618 B2Eaton Intelligent Power Limited
- Method for determining a quantity of gas contained in an insulated switchgear14 Nov 2024US 2024/0377238 A1Schneider Electric Industries SAS
- Method and apparatus for gas leak detection22 Aug 2024US 2024/0280431 A1ABB Schweiz AG
- Gas monitoring system and respective method4 Jul 2024US 2024/0222051 A1Hitachi Energy Ltd
- Determining the fluid density in an electrical device1 Jun 2023US 2023/0168144 A1Siemens Energy Global GmbH & Co. KG
- Lifetime prediction of a gas filling of an electrical switchgear9 Mar 2023US 2023/0076611 A1Eaton Intelligent Power Limited
Most cited
By later US patents
- Arcing fault detector164US 4,658,322 AThe United States of America as represented by the Secretary of the Navy · 1987
- High voltage transmission switching apparatus with gas monitoring device28US 5,388,451 AConsolidated Electronics Inc. · 1995
- Method and a system for determining the density of an insulating gas in an electrical apparatus14US 5,693,873 AGEC Alsthom T & D SA · 1997
- Gas insulated electric apparatus7US 6,063,997 AHitachi, Ltd. · 2000
- Combined pressure relief and indicator mechanism6US 4,352,437 AS&C Electric Company · 1982