H02B 13/035
Gas-insulated switchgear
H02B13/035 (Gas-insulated switchgear) appears on 746 US grants and 600 published applications in this corpus.
Search patents in H02B- Granted patents
- 746
- Published applications
- 600
- Assignees
- 222
- Inventors
- 1,572
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 8 | 0 |
| 1978 | 10 | 0 |
| 1979 | 2 | 0 |
| 1980 | 8 | 0 |
| 1981 | 9 | 0 |
| 1982 | 12 | 0 |
| 1983 | 7 | 0 |
| 1984 | 9 | 0 |
| 1985 | 11 | 0 |
| 1986 | 5 | 0 |
| 1987 | 13 | 0 |
| 1988 | 12 | 0 |
| 1989 | 6 | 0 |
| 1990 | 5 | 0 |
| 1991 | 11 | 0 |
| 1992 | 13 | 0 |
| 1993 | 6 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 10 | 0 |
| 1997 | 8 | 0 |
| 1998 | 13 | 0 |
| 1999 | 14 | 0 |
| 2000 | 19 | 0 |
| 2001 | 10 | 3 |
| 2002 | 18 | 20 |
| 2003 | 17 | 7 |
| 2004 | 16 | 8 |
| 2005 | 4 | 12 |
| 2006 | 6 | 6 |
| 2007 | 4 | 8 |
| 2008 | 9 | 15 |
| 2009 | 8 | 16 |
| 2010 | 14 | 9 |
| 2011 | 14 | 24 |
| 2012 | 8 | 29 |
| 2013 | 14 | 31 |
| 2014 | 26 | 35 |
| 2015 | 33 | 28 |
| 2016 | 37 | 28 |
| 2017 | 23 | 30 |
| 2018 | 28 | 39 |
| 2019 | 29 | 33 |
| 2020 | 26 | 22 |
| 2021 | 30 | 37 |
| 2022 | 24 | 41 |
| 2023 | 25 | 24 |
| 2024 | 36 | 48 |
| 2025 | 30 | 29 |
| 2026 | 27 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H02B 13/065Means for detecting or reacting to mechanical or electrical defects137
- H02B 13/045Details of casing135
- H02B 13/0356Mounting of monitoring devices113
- H02B 13/0354Comprising a vacuum switch94
- H02B 13/0352For three phase switchgear91
- H02B 13/0358Connections to in or out conductors84
- H02B 13/055Features relating to the gas81
- H02B 13/075Earthing arrangements69
Recent patents
- Switch for a medium voltage or high voltage switchgear6 Oct 2026US 12,755,911 B2ABB Schweiz AG
- SF6 free gas insulated disconnector with limited arcing volume29 Sep 2026US 12,749,638 B2GE Vernova Infrastructure Technology LLC
- Tank-type circuit breaker22 Sep 2026US 12,744,366 B2Mitsubishi Electric Corporation
- 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
- Apparatuses and methods for improved switchgear sensor data communication1 Oct 2026US 2026/0302107 A1Hubbell Incorporated
- Portable handheld rapid state detection device for gis apparatus24 Sep 2026US 2026/0291186 A1Csges Operation Management Branch Company
- Insulating shield for hardware on switchgear24 Sep 2026US 2026/0291187 A1G & W Electric Company
- Cooling device for switchgear cabinet air conditioning and a corresponding switchgear cabinet arrangement10 Sep 2026US 2026/0271231 A1Rittal GmbH & Co.KG
- Monitoring Pole Discrepancies in Switchgear27 Aug 2026US 2026/0254209 A1Saudi Arabian Oil Company
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
- Metal arcing ring for high voltage gas-insulated bus126US 4,090,028 ASprecher & Schuh Ltd. (SSA) · 1978
- Subsea switchgear95US 9,450,385 B2Siemens Aktiengesellschaft · 2016
- Modular, miniaturized switchgear72US 6,362,445 B1Eaton Corporation · 2002
- Gas-insulated electric power apparatus57US 7,835,140 B2Mitsubishi Electric Corporation · 2010