H01H 71/526
The lever forming a toggle linkage with a second lever, the free
Official title: {the lever forming a toggle linkage with a second lever, the free end of which is directly and releasably engageable with a contact structure}
H01H71/526 (The lever forming a toggle linkage with a second lever, the free) appears on 70 US grants and 44 published applications in this corpus.
Search patents in H01H- Granted patents
- 70
- Published applications
- 44
- Assignees
- 36
- Inventors
- 130
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 7 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 3 |
| 2005 | 1 | 0 |
| 2006 | 2 | 1 |
| 2007 | 0 | 2 |
| 2008 | 0 | 2 |
| 2009 | 3 | 4 |
| 2010 | 2 | 1 |
| 2011 | 2 | 2 |
| 2012 | 3 | 1 |
| 2013 | 1 | 3 |
| 2014 | 1 | 1 |
| 2015 | 1 | 1 |
| 2016 | 2 | 2 |
| 2017 | 2 | 7 |
| 2018 | 3 | 3 |
| 2019 | 4 | 1 |
| 2020 | 5 | 3 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 2 |
| 2025 | 1 | 3 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Solid-state circuit breaker5 May 2026US 12,620,543 B2Schneider Electric (China) Co., Ltd.
- Test button loop device and circuit breaker23 Dec 2025US 12,504,474 B2Zhejiang Chint Electrics Co., Ltd.
- Operating mechanism of circuit breaker29 Aug 2023US 11,742,168 B2Hangzhou Taimu Electrical Co., Ltd.
- Miniature circuits breaker operating mechanism and miniature circuit breaker27 Apr 2021US 10,991,535 B2Xiamen Hongfa Electrical Safety & Controls Co., Ltd.
- Circuit breaker3 Nov 2020US 10,825,632 B2Eaton Intelligent Power Limited
- Solid-state circuit breaker13 Mar 2025US 2025/0087436 A1Schneider Electric (China) Co., Ltd.
- Electrical protection device configured to automatically determine a cause of an electrical circuit opening and associated method6 Feb 2025US 2025/0046557 A1Schneider Electric Industries SAS
- Solid-state circuit breaker16 Jan 2025US 2025/0022675 A1Schneider Electric (China) Co., Ltd.
- Circuit breaker21 Nov 2024US 2024/0387119 A1Siemens Aktiengesellschaft
- Test button loop device and circuit breaker20 Jun 2024US 2024/0201259 A1Zhejiang Chint Electrics Co., Ltd.
Most cited
By later US patents
- Operating mechanism of a miniature electrical circuit breaker88US 4,916,420 AMerlin Gerin · 1990
- Circuit breaker and auxiliary device therefor38US 5,003,139 ASquare D Company · 1991
- Electrical full protection circuit breaker31US 4,288,768 AFirma Heinrich Kopp GmbH & Co. KG. · 1981
- Low voltage circuit breaker with remote switching function26US 4,636,760 AWestinghouse Electric Corp. · 1987
- Circuit breaker with remote control26US 4,725,799 AWestinghouse Electric Corp. · 1988