H02B 13/045
Details of casing
Official title: Details of casing, e.g. gas tightness
H02B13/045 (Details of casing) appears on 135 US grants and 135 published applications in this corpus.
Search patents in H02B- Granted patents
- 135
- Published applications
- 135
- Assignees
- 57
- Inventors
- 364
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 0 |
| 2002 | 4 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 3 |
| 2010 | 2 | 1 |
| 2011 | 2 | 2 |
| 2012 | 1 | 7 |
| 2013 | 5 | 5 |
| 2014 | 2 | 3 |
| 2015 | 3 | 5 |
| 2016 | 8 | 9 |
| 2017 | 5 | 7 |
| 2018 | 7 | 8 |
| 2019 | 10 | 12 |
| 2020 | 7 | 7 |
| 2021 | 12 | 13 |
| 2022 | 11 | 15 |
| 2023 | 6 | 7 |
| 2024 | 10 | 10 |
| 2025 | 8 | 10 |
| 2026 | 7 | 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
- Method for sealing a junction having a contact surface and a counter-contact surface of an element of a compartment of a gas-insulated substation, and resulting junction15 Sep 2026US 12,738,720 B2Rte Reseau De Transport D'Electricite
- Metal enclosure for electrical switchgear8 Sep 2026US 12,731,967 B2ABB Schweiz AG
- Junction box for switchgear and switchgear28 Jul 2026US 12,695,282 B2Schneider Electric (China) Co., Ltd.
- Apparatuses and methods for improved switchgear sensor data communication7 Jul 2026US 12,676,271 B2Hubbell Incorporated
- Apparatuses and methods for improved switchgear sensor data communication1 Oct 2026US 2026/0302107 A1Hubbell Incorporated
- Insulating shield for hardware on switchgear24 Sep 2026US 2026/0291187 A1G & W Electric Company
- Gas-insulated electrical apparatus comprising heptafluoroisobutyronitrile and heptafluoroisopropyl(trifluoromethyl)ketone9 Jul 2026US 2026/0196378 A1GE Vernova Infrastructure Technology LLC
- Gas insulated electric apparatus23 Apr 2026US 2026/0112867 A1Hitachi Energy Ltd
- Overpressure relief device for switchgear5 Feb 2026US 2026/0039098 A1GE Vernova Infrastructure Technology LLC
Most cited
By later US patents
- Subsea switchgear95US 9,450,385 B2Siemens Aktiengesellschaft · 2016
- Switchgear assembly34US 6,040,538 AS&C Electric Company · 2000
- Package substation in tank with separate chambers29US 4,500,935 AMitsubishi Denki Kabushiki Kaisha · 1985
- Modular "Y"-type enclosure elements for gas insulated substations22US 4,379,957 AWestinghouse Electric Corp. · 1983
- Apparatus for checking for leaks from metal-clad high-tension electric gear15US 4,420,970 AAlsthom-Atlantique · 1983