H02B 13/0352
For three phase switchgear
Official title: {for three phase switchgear}
H02B13/0352 (For three phase switchgear) appears on 91 US grants and 47 published applications in this corpus.
Search patents in H02B- Granted patents
- 91
- Published applications
- 47
- Assignees
- 41
- Inventors
- 194
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 5 | 0 |
| 1988 | 5 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 1 |
| 2003 | 4 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 3 |
| 2010 | 3 | 0 |
| 2011 | 1 | 2 |
| 2012 | 1 | 4 |
| 2013 | 1 | 2 |
| 2014 | 2 | 1 |
| 2015 | 1 | 4 |
| 2016 | 6 | 2 |
| 2017 | 1 | 2 |
| 2018 | 3 | 6 |
| 2019 | 3 | 1 |
| 2020 | 3 | 2 |
| 2021 | 2 | 3 |
| 2022 | 2 | 1 |
| 2023 | 1 | 2 |
| 2024 | 2 | 6 |
| 2025 | 4 | 1 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatuses and methods for improved switchgear sensor data communication7 Jul 2026US 12,676,271 B2Hubbell Incorporated
- Device for measuring temperature gradients applied to a precision capacitive divider voltage sensor23 Jun 2026US 12,663,449 B2GE Vernova Infrastructure Technology LLC
- Switchgear2 Jun 2026US 12,646,909 B2ABB Schweiz AG
- Power source emulator and method for testing switchgear25 Nov 2025US 12,483,009 B2ModularMC, LLC
- Arrangement of a current transformer core at an interface with a conical connector18 Nov 2025US 12,476,441 B2Siemens Energy Global GmbH & Co. KG
- Apparatuses and methods for improved switchgear sensor data communication1 Oct 2026US 2026/0302107 A1Hubbell Incorporated
- Modular high-voltage switching system and method28 May 2026US 2026/0149242 A1Micatu Inc.
- High voltage gas insulated switchgear, hv gis, for single or three phase operation1 May 2025US 2025/0141195 A1Hitachi Energy Ltd
- Cable module, gas-insulated device, and method for manufacturing cable module19 Dec 2024US 2024/0421580 A1Hitachi Energy Ltd
- Switchgear24 Oct 2024US 2024/0356315 A1ABB Schweiz AG
Most cited
By later US patents
- Gas-insulated electric power apparatus57US 7,835,140 B2Mitsubishi Electric Corporation · 2010
- Gas insulated switchgear apparatus24US 4,967,307 AHitachi, Ltd. · 1990
- High performance circuit breaker with independent pole operation linkage and conical composite bushings16US 5,569,891 AABB Power T&D Company Inc. · 1996
- Gas insulated switchgear apparatus16US 5,898,565 AMitsubishi Denki Kabushiki Kaisha · 1999
- Compact-type gas-insulated switchgear apparatus15US 4,744,002 AHitachi, Ltd. · 1988