H02B 11/127
Withdrawal mechanism
H02B11/127 (Withdrawal mechanism) appears on 377 US grants and 278 published applications in this corpus.
Search patents in H02B- Granted patents
- 377
- Published applications
- 278
- Assignees
- 74
- Inventors
- 608
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 11 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 6 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 7 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 6 | 3 |
| 2002 | 7 | 6 |
| 2003 | 5 | 2 |
| 2004 | 3 | 6 |
| 2005 | 5 | 3 |
| 2006 | 14 | 5 |
| 2007 | 0 | 0 |
| 2008 | 1 | 11 |
| 2009 | 3 | 10 |
| 2010 | 9 | 16 |
| 2011 | 10 | 12 |
| 2012 | 21 | 15 |
| 2013 | 16 | 8 |
| 2014 | 11 | 9 |
| 2015 | 5 | 17 |
| 2016 | 21 | 20 |
| 2017 | 22 | 19 |
| 2018 | 21 | 25 |
| 2019 | 22 | 15 |
| 2020 | 20 | 14 |
| 2021 | 9 | 4 |
| 2022 | 8 | 20 |
| 2023 | 17 | 17 |
| 2024 | 19 | 8 |
| 2025 | 13 | 8 |
| 2026 | 1 | 5 |
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.
- 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
- Electrical system and electrical apparatus for bus plugs with rotary handle7 Oct 2025US 12,438,345 B2ABB Schweiz AG
- Grounding device for circuit breaker12 Aug 2025US 12,388,242 B2Ls Electric Co., Ltd.
- 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.
- Interlocking and unlocking device for main switch trolley and grounding switch, and switchgear comprising same15 Jan 2026US 2026/0018869 A1ABB Schweiz AG
Most cited
By later US patents
- Draw-out molded case circuit breaker94US 5,334,808 A1994
- 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
- Remote control and racking device for medium-voltage circuit breakers59US 6,777,627 B1Remote Solutions, LLC · 2004