H01H 71/42
Induction-motor, induced-current, or electrodynamic release mechanisms
H01H71/42 (Induction-motor, induced-current, or electrodynamic release mechanisms) appears on 20 US grants and 16 published applications in this corpus.
Search patents in H01H- Granted patents
- 20
- Published applications
- 16
- Assignees
- 18
- Inventors
- 42
- Latest grant
- 26 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 3 |
| 2010 | 1 | 0 |
| 2011 | 2 | 0 |
| 2012 | 0 | 2 |
| 2013 | 2 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 2 |
| 2018 | 1 | 1 |
| 2019 | 0 | 2 |
| 2020 | 2 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Moving contact mechanism26 Aug 2025US 12,400,815 B2Chint Low Voltage Electrical Technology Co., Ltd.
- Electrodynamic drive1 Oct 2024US 12,107,473 B2Hilti Aktiengesellschaft
- Electrodynamic drive26 Sep 2023US 11,770,061 B2Hilti Aktiengesellschaft
- Self-resetting current limiter8 Sep 2020US 10,770,255 B2Eaton Intelligent Power Limited
- Articulated clinch joint for molded case circuit breaker3 Mar 2020US 10,580,606 B2Eaton Intelligent Power Limited
- Actuator apparatus for electrical panel switch5 Feb 2026US 2026/0038759 A1Faraday Defense Corporation
- Electrodynamic drive18 Jan 2024US 2024/0022157 A1Hilti Aktiengesellschaft
- Moving contact mechanism30 Nov 2023US 2023/0386774 A1Chint Low Voltage Electrical Technology Co., Ltd.
- Restoring element, and electrical switch having such a restoring element24 Jun 2021US 2021/0193424 A1Siemens Aktiengesellschaft
- Electrodynamic drive24 Oct 2019US 2019/0326805 A1Hilti Aktiengesellschaft
Most cited
By later US patents
- Remote controlled overload protective switch25US 5,381,121 AEllenberger & Poensgen GmbH · 1995
- Bimetal controlled circuit breaker18US 5,432,491 AEllenberger & Poensgen GmbH · 1995
- Contactor device fo circuit breaker12US 4,864,261 AFuji Electric Co., Ltd. · 1989
- Circuit breaker magnetic trip unit5US 4,771,254 AGeneral Electric Company · 1988
- Articulated clinch joint for molded case circuit breaker4US 10,153,119 B2Eaton Intelligent Power Limited · 2018