H01H 71/528
Comprising a toggle or collapsible link between handle and contact arm
Official title: {comprising a toggle or collapsible link between handle and contact arm, e.g. sear pin mechanism}
H01H71/528 (Comprising a toggle or collapsible link between handle and contact arm) appears on 45 US grants and 26 published applications in this corpus.
Search patents in H01H- Granted patents
- 45
- Published applications
- 26
- Assignees
- 27
- Inventors
- 83
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 6 | 1 |
| 2005 | 3 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 2 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 2 |
| 2017 | 3 | 4 |
| 2018 | 3 | 3 |
| 2019 | 4 | 2 |
| 2020 | 3 | 3 |
| 2021 | 2 | 2 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 2 |
| 2025 | 1 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Circuit breaker17 Mar 2026US 12,580,145 B2Shanghai Electrical Apparatus Research Institute
- Resetting RCD mechanism by the handle20 May 2025US 12,308,193 B2Schneider Electric Industries SAS
- Circuit breaker14 May 2024US 11,984,282 B2Ellenberger & Poensgen GmbH
- Circuit breakers with handle bearing pins8 Aug 2023US 11,721,497 B2Eaton Intelligent Power Limited
- Switching device with lock open component6 Sep 2022US 11,437,202 B2Rockwell Automation Switzerland GmbH
- Circuit breaker23 Jul 2026US 2026/0213107 A1Fuji Electric Fa Components & Systems Co., Ltd.
- Resetting rcd mechanism by the handle18 Jul 2024US 2024/0242911 A1Schneider Electric Industries SAS
- Circuit breaker2 May 2024US 2024/0145199 A1Shanghai Electrical Apparatus Research Institute
- Circuit breaker21 Apr 2022US 2022/0122791 A1Ellenberger & Poensgen GmbH
- Switching device with jump-on mechanism30 Dec 2021US 2021/0407745 A1Rockwell Automation Switzerland GmbH
Most cited
By later US patents
- Earth leakage circuit breaker assembly34US 5,920,451 ACarlingswitch, Inc. · 1999
- Circuit interrupter with center trip position and alarm22US 5,264,673 AEaton Corporation · 1993
- Positive resetting close latch for closing electrical switching apparatus17US 7,449,653 B2Eaton Corporation · 2008
- Trip indicating circuit breaker16US 6,246,304 B1Airpax Corporation, LLC · 2001
- Reset only rocker guard for split case circuit breaker15US 5,486,660 ACarlingswitch, Inc. · 1996