H01H 73/48
Protective overload circuit-breaking switches in which excess current opens the contacts by
Official title: having both electrothermal and electromagnetic automatic release (cartridge type H01H73/66)
H01H73/48 (Protective overload circuit-breaking switches in which excess current opens the contacts by) appears on 35 US grants and 19 published applications in this corpus.
Search patents in H01H- Granted patents
- 35
- Published applications
- 19
- Assignees
- 22
- Inventors
- 64
- Latest grant
- 19 Sep 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 1 | 1 |
| 2017 | 2 | 1 |
| 2018 | 3 | 4 |
| 2019 | 3 | 2 |
| 2020 | 4 | 2 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Slim circuit breaker19 Sep 2023US 11,764,022 B2Carling Technologies, Inc.
- Overcurrent protection device21 Jun 2022US 11,367,586 B2ETO Magnetic GmbH
- Switching mechanism of circuit breaker20 Oct 2020US 10,811,209 B2Lsis Co., Ltd.
- Circuit breaker with instant trip mechanism2 Jun 2020US 10,672,579 B2Lsis Co., Ltd.
- Electrical switching apparatus and adjustable trip assembly therefor28 Apr 2020US 10,636,601 B2Eaton Intelligent Power Limited
- 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
- Slim circuit breaker27 Oct 2022US 2022/0344120 A1Carling Technologies, Inc.
- Overcurrent protection device9 Apr 2020US 2020/0111633 A1ETO Magnetic GmbH
- Switching mechanism of circuit breaker16 Jan 2020US 2020/0020499 A1Lsis Co., Ltd.
- Noncontact solenoid for miniature circuit breakers with a movable frame and magnetic coupling30 May 2019US 2019/0164710 A1Schneider Electric USA, Inc.
Most cited
By later US patents
- Circuit breaker including an arc fault trip actuator having an indicator latch and a trip latch47US 6,522,228 B2Eaton Corporation · 2003
- Distribution transformer secondary circuit breaker22US 3,983,454 AWestinghouse Electric Corp. · 1976
- Miniature current limiting circuit breaker16US 4,276,526 AGeneral Electric Company · 1981
- Bipolar protective switch13US 4,206,430 AWeber AG Fabrik Elektrotechnischer Artikel und Apparate · 1980
- Circuit interrupter12US 4,325,041 ATerasaki Denki Sangyo Kabushiki Kaisha · 1982