H02B 11/12
Switchgear having carriage withdrawable for isolation: with isolation by horizontal withdrawal
Official title: with isolation by horizontal withdrawal
H02B11/12 (Switchgear having carriage withdrawable for isolation: with isolation by horizontal withdrawal) appears on 482 US grants and 358 published applications in this corpus.
Search patents in H02B- Granted patents
- 482
- Published applications
- 358
- Assignees
- 105
- Inventors
- 807
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 14 | 0 |
| 1978 | 4 | 0 |
| 1979 | 5 | 0 |
| 1980 | 6 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 7 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 5 | 0 |
| 1988 | 7 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 7 | 0 |
| 1995 | 7 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 8 | 0 |
| 2001 | 9 | 5 |
| 2002 | 9 | 7 |
| 2003 | 6 | 2 |
| 2004 | 3 | 8 |
| 2005 | 7 | 5 |
| 2006 | 15 | 7 |
| 2007 | 2 | 0 |
| 2008 | 1 | 11 |
| 2009 | 3 | 11 |
| 2010 | 10 | 16 |
| 2011 | 10 | 14 |
| 2012 | 22 | 20 |
| 2013 | 18 | 13 |
| 2014 | 19 | 16 |
| 2015 | 8 | 20 |
| 2016 | 26 | 27 |
| 2017 | 32 | 29 |
| 2018 | 27 | 29 |
| 2019 | 25 | 18 |
| 2020 | 25 | 18 |
| 2021 | 12 | 5 |
| 2022 | 12 | 24 |
| 2023 | 20 | 20 |
| 2024 | 21 | 15 |
| 2025 | 17 | 11 |
| 2026 | 3 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Interlock module, circuit breaker movement unit and switchboard comprising same21 Jul 2026US 12,689,190 B2Ls Electric Co., Ltd.
- Switchgear current transformer replacement system28 Apr 2026US 12,614,894 B2ABB Schweiz AG
- Direct current switchgear3 Feb 2026US 12,542,429 B2Schneider Electric Industries SAS
- Shutter assembly and switchboard comprising same11 Nov 2025US 12,470,047 B2Ls Electric Co., Ltd.
- Medium voltage switchgear disconnector system14 Oct 2025US 12,444,912 B2ABB Schweiz AG
- Electric power device, and device for moving circuit breaker for electric power device13 Aug 2026US 2026/0237982 A1Ls Electric Co., Ltd.
- Switchgear system with independently movable and lockable shutter mechanism16 Jul 2026US 2026/0204881 A1Eaton Intelligent Power Limited
- Truck device of circuit breaker28 May 2026US 2026/0149244 A1Ls Electric Co., Ltd.
- Interlock module, circuit breaker movement unit and switchboard comprising same30 Apr 2026US 2026/0121387 A1Ls Electric Co., Ltd.
- Electrical cabinet12 Mar 2026US 2026/0073179 A1Schneider (Xi'an) Innovation Technology Co., Ltd.
Most cited
By later US patents
- Draw-out molded case circuit breaker94US 5,334,808 A1994
- Sulfur hexafluoride isolating circuit-breaker and use thereof in prefabricated stations, substations, and bays94US 5,357,068 AGEC Alsthom SA · 1994
- Interlock scheme for drawout high amperage multi-pole circuit breaker68US 4,728,757 ASquare D Company · 1988
- Apparatus for racking circuit breakers into and out of switchgear63US 6,951,990 B1General Electric Company · 2005
- Racking device and power module therefor62US 7,019,230 B1Eaton Corporation · 2006