H02B 1/22
Layouts for duplicate bus-bar selection
H02B1/22 (Layouts for duplicate bus-bar selection) appears on 78 US grants and 51 published applications in this corpus.
Search patents in H02B- Granted patents
- 78
- Published applications
- 51
- Assignees
- 32
- Inventors
- 158
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 5 |
| 2003 | 5 | 1 |
| 2004 | 3 | 2 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 5 |
| 2010 | 2 | 3 |
| 2011 | 3 | 1 |
| 2012 | 2 | 2 |
| 2013 | 2 | 8 |
| 2014 | 2 | 0 |
| 2015 | 1 | 5 |
| 2016 | 6 | 3 |
| 2017 | 3 | 4 |
| 2018 | 4 | 3 |
| 2019 | 2 | 0 |
| 2020 | 2 | 1 |
| 2021 | 1 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 2 |
| 2024 | 2 | 2 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Scalable reconfigurable apparatus and methods for electric power system emulation24 Mar 2026US 12,586,992 B2University of Tennessee Research Foundation
- Medium voltage switchgear disconnector system14 Oct 2025US 12,444,912 B2ABB Schweiz AG
- Gas-insulated switchgear17 Sep 2024US 12,095,239 B2Mitsubishi Electric Corporation
- Scalable reconfigurable apparatus and methods for electric power system emulation5 Mar 2024US 11,923,666 B2University of Tennessee Research Foundation
- Smart load center panel16 Mar 2021US 10,951,027 B2Koolbridge Solar, Inc.
- Scalable reconfigurable apparatus and methods for electric power system emulation23 May 2024US 2024/0170929 A1University of Tennessee Research Foundation
- New-type bus power distribution micromodule2 May 2024US 2024/0146036 A1Vertiv Tech (Xi'an) Co., Ltd.
- Medium Voltage Switchgear Disconnector System23 Nov 2023US 2023/0378727 A1ABB Schweiz AG
- Gas-insulated switchgear25 May 2023US 2023/0163577 A1Mitsubishi Electric Corporation
- Scalable reconfigurable apparatus and methods for electric power system emulation21 Jul 2022US 2022/0231485 A1University of Tennessee Research Foundation
Most cited
By later US patents
- Subsea switchgear95US 9,450,385 B2Siemens Aktiengesellschaft · 2016
- Gas-insulated electric power apparatus57US 7,835,140 B2Mitsubishi Electric Corporation · 2010
- Gas insulated switchgear with bus-section-unit circuit breaker and disconnect switches connected to external lead-out means connectable to other gas insulated switchgear40US 5,045,968 AHitachi, Ltd. · 1991
- Gas-insulated switchgear24US 4,862,319 AHitachi, Ltd. · 1989
- Gas insulated switchgear apparatus24US 4,967,307 AHitachi, Ltd. · 1990