H02H 7/127
Having auxiliary control electrode to which blocking control voltages or currents are
Official title: having auxiliary control electrode to which blocking control voltages or currents are applied in case of emergency
H02H7/127 (Having auxiliary control electrode to which blocking control voltages or currents are) appears on 18 US grants and 7 published applications in this corpus.
Search patents in H02H- Granted patents
- 18
- Published applications
- 7
- Assignees
- 15
- Inventors
- 40
- Latest grant
- 28 Sep 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 3 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Solid state protection circuits for a converter circuit28 Sep 2021US 11,133,664 B2Halliburton Energy Services.Inc.
- Power conversion apparatus14 Jan 2020US 10,536,105 B2Toshiba Mitsubishi-Electric Industrial Systems Corporation
- DC distribution connection device20 Aug 2019US 10,390,416 B2SMK Corporation
- Power control device and image forming apparatus including the same1 Nov 2016US 9,484,798 B2Samsung Electronics Co., Ltd.
- Circuit for protecting a DC network with DC loads against overvoltage5 Feb 2013US 8,369,050 B2Aeg Power Solutions B.V.
- Solid state protection circuits6 Dec 2018US 2018/0351349 A1Halliburton Energy Services.Inc.
- Power conversion apparatus23 Aug 2018US 2018/0241338 A1Toshiba Mitsubishi-Electric Industrial Systems Corporation
- Dc distribution connection device12 Apr 2018US 2018/0103530 A1SMK Corporation
- Direct-current power transmission protection device, converter and protection method16 Feb 2017US 2017/0047727 A1
- Power control device and image forming apparatus including the same22 Jan 2015US 2015/0023073 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Thermally aided power sharing of power supplies with or without an external current share line234US 5,905,645 AAstec International Limited · 1999
- Inverter circuit for induction heating cooking ovens with a protection device18US 4,065,802 AMatsushita Electric Industrial Co., Ltd. · 1977
- Recovery protection device for a thyristor valve12US 4,377,835 AASEA Aktiebolag · 1983
- Direct coupled switching power supply with GTO SCR switching element11US 4,675,798 AHarris Corporation · 1987
- Control of a HVT (high voltage D-C transmission) short coupler9US 4,320,444 ABrown, Boveri & Cie AG · 1982