H02H 7/224
Anti-pump circuits
Official title: {Anti-pump circuits}
H02H7/224 (Anti-pump circuits) appears on 26 US grants and 2 published applications in this corpus.
Search patents in H02H- Granted patents
- 26
- Published applications
- 2
- Assignees
- 12
- Inventors
- 39
- Latest grant
- 25 Jul 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 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 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Power system with enhanced power safety25 Jul 2023US 11,710,958 B2Taiwan Power Company
- Control device for breaker19 Feb 2002US 6,348,847 B1Mitsubishi Denki Kabushiki Kaisha
- Solid state control device for an anti-pump circuit14 Sep 1999US 5,953,192 AABB Power T&D Company Inc.
- Sequence based network protector relay with forward overcurrent protection and antipumping feature13 Oct 1998US 5,822,165 AEaton Corporation
- Digital circuit interrupter shunt trip accessory module15 Sep 1998US 5,808,848 AGeneral Electric Company
Most cited
By later US patents
- Sequence based network protector relay with forward overcurrent protection and antipumping feature90US 5,822,165 AEaton Corporation · 1998
- Circuit breaker electrical closure control apparatus30US 4,301,433 AGeneral Electric Company · 1981
- Circuit breaker remote closing operator26US 5,534,833 AGeneral Electric Company · 1996
- Circuit breaker remote closing operator25US 5,719,738 AGeneral Electric Company · 1998
- Composite circuit breaker16US 4,538,039 AHitachi, Ltd. · 1985