H01H 37/66
Magnetic reinforcement of contact pressure
Official title: Magnetic reinforcement of contact pressure; Magnet causing snap action
H01H37/66 (Magnetic reinforcement of contact pressure) appears on 12 US grants and 5 published applications in this corpus.
Search patents in H01H- Granted patents
- 12
- Published applications
- 5
- Assignees
- 9
- Inventors
- 21
- Latest grant
- 28 Jun 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 2 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Fail-safe lockout trip mechanism in a circuit interrupting device28 Jun 2022US 11,373,825 B2Siemens Industry, Inc.
- Switch9 Feb 2021US 10,916,395 B2Maggma Group IP Limited
- Magnetic actuation of a switching device11 Apr 2006US 7,026,898 B2Honeywell International Inc.
- Magnetic actuation of a switching device16 Mar 2004US 6,707,371 B1Honeywell International Inc.
- Switch with bimetallic element27 Aug 1996US 5,550,525 ATherm-0-Disc, Incorporated
- Fail-safe lockout trip mechanism in a circuit interrupting device31 Mar 2022US 2022/0102097 A1Siemens Industry, Inc.
- An improved switch3 Dec 2020US 2020/0381201 A1Introl IP Limited
- Bimetal unit, trip unit, circuit breaker, series of circuit breakers, and method for calibrating circuit breaker29 Jan 2015US 2015/0028991 A1Siemens Aktiengesellschaft
- Magnetic actuation of a switching device4 Nov 2004US 2004/0217833 A1Honeywell International Inc.
- Magnetic actuation of a switching device26 Feb 2004US 2004/0036564 A1Honeywell International Inc.
Most cited
By later US patents
- Thermostatically controlled electric immersion heater for aquariums11US 4,812,626 A1989
- Thermally responsive control for a vacuum cleaner motor9US 3,984,735 AAktiebolaget Electrolux · 1976
- Electrical switch having a two stage snap action interface for enhanced operation9US 5,262,752 AHoneywell Inc. · 1993
- Device for the automatic control of room temperature in existing automobiles5US 4,748,432 A1988
- Thermostat and assembly therefor4US 4,274,072 AGeneral Electric Company · 1981