H01H 3/3026
In which the closing spring charges the opening spring or vice versa
Official title: {in which the closing spring charges the opening spring or vice versa}
H01H3/3026 (In which the closing spring charges the opening spring or vice versa) appears on 40 US grants and 25 published applications in this corpus.
Search patents in H01H- Granted patents
- 40
- Published applications
- 25
- Assignees
- 30
- Inventors
- 76
- Latest grant
- 3 Nov 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 3 | 3 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 3 |
| 2010 | 2 | 1 |
| 2011 | 0 | 1 |
| 2012 | 3 | 3 |
| 2013 | 2 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 3 | 1 |
| 2017 | 0 | 1 |
| 2018 | 1 | 4 |
| 2019 | 5 | 2 |
| 2020 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Kinetic actuator for vacuum interrupter3 Nov 2020US 10,825,625 B1Smart Wires Inc.
- Breaker mechanism for an electrical circuit breaker and electrical circuit breaker with such a breaker mechanism3 Mar 2020US 10,580,608 B2Siemens Aktiengesellschaft
- Spring operated actuator for an electric apparatus31 Dec 2019US 10,522,304 B2ABB Schweiz AG
- Spring operated actuator10 Dec 2019US 10,504,667 B2ABB Schweiz AG
- System and method for air motor recharging of spring mechanisms2 Jul 2019US 10,340,096 B2Mitsubishi Electric Power Products, Inc.
- Spring Operated Actuator For An Electric Apparatus14 Nov 2019US 2019/0348231 A1ABB Schweiz AG
- Spring Operated Actuator6 Jun 2019US 2019/0172660 A1ABB Schweiz AG
- System and method for air motor recharging of spring mechanisms22 Nov 2018US 2018/0337006 A1Mitsubishi Electric Power Products, Inc.
- Mounting structure for energy storage assembly of circuit breaker23 Aug 2018US 2018/0240633 A1Seari Electric Technology Co., Ltd.
- Breaker mechanism for an electrical circuit breaker and electrical circuit breaker with such a breaker mechanism8 Mar 2018US 2018/0068819 A1Siemens Aktiengesellschaft
Most cited
By later US patents
- Molded case electric power switches with cam driven, spring powered open and close mechanism28US 6,015,959 AEaton Corporation · 2000
- Dual spring circuit interrupter apparatus18US 4,162,385 AWestinghouse Electric Corp. · 1979
- Switch operating mechanism15US 4,839,476 AMitsubishi Denki Kabushiki Kaisha · 1989
- Spring-driven mechanism for rectilinear displacement circuit breaker14US 6,917,006 B2Areva T&D SA · 2005
- Circuit breaker having multiple spring actuating mechanisms13US 4,251,702 AGeneral Electric Company · 1981