H02B 11/133
With interlock
Official title: with interlock
H02B11/133 (With interlock) appears on 240 US grants and 174 published applications in this corpus.
Search patents in H02B- Granted patents
- 240
- Published applications
- 174
- Assignees
- 53
- Inventors
- 403
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 10 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 6 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 6 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 2 |
| 2002 | 5 | 6 |
| 2003 | 4 | 1 |
| 2004 | 2 | 3 |
| 2005 | 2 | 2 |
| 2006 | 10 | 4 |
| 2007 | 0 | 0 |
| 2008 | 0 | 5 |
| 2009 | 1 | 4 |
| 2010 | 1 | 9 |
| 2011 | 7 | 5 |
| 2012 | 7 | 7 |
| 2013 | 8 | 3 |
| 2014 | 6 | 3 |
| 2015 | 1 | 10 |
| 2016 | 13 | 14 |
| 2017 | 15 | 11 |
| 2018 | 12 | 18 |
| 2019 | 15 | 10 |
| 2020 | 14 | 11 |
| 2021 | 7 | 2 |
| 2022 | 6 | 19 |
| 2023 | 14 | 9 |
| 2024 | 15 | 6 |
| 2025 | 5 | 6 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Interlock module, circuit breaker movement unit and switchboard comprising same21 Jul 2026US 12,689,190 B2Ls Electric Co., Ltd.
- Electrical system and electrical apparatus for bus plugs with rotary handle7 Oct 2025US 12,438,345 B2ABB Schweiz AG
- Apparatus and method for drill motor racking of switchgear24 Jun 2025US 12,341,323 B2CBS ArcSafe, Inc.
- Interlock system for a low, medium or high voltage switchgear3 Jun 2025US 12,322,932 B2ABB Schweiz AG
- Motor control center (MCC) units with retractable power connector and interlocks including a power connector position interlock1 Apr 2025US 12,266,909 B2Eaton Intelligent Power Limited
- 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
- Insertion/withdrawal device26 Jun 2025US 2025/0210945 A1Ls Electric Co., Ltd.
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
- Enclosed switchboard54US 4,926,286 ATogami Electric Mfg. Co., Ltd. · 1990
- Drawout circuit breaker with disconnect position interlock mechanism51US 6,031,192 ASiemens Aktiengesellschaft · 2000
- Draw-in and draw-out mechanism of an electrical circuit breaker with main and auxiliary circuits47US 4,743,715 AMerlin Gerin · 1988