H02H 3/337
Avoiding disconnection due to reactive fault currents
Official title: {avoiding disconnection due to reactive fault currents}
H02H3/337 (Avoiding disconnection due to reactive fault currents) appears on 36 US grants and 21 published applications in this corpus.
Search patents in H02H- Granted patents
- 36
- Published applications
- 21
- Assignees
- 19
- Inventors
- 54
- Latest grant
- 4 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 3 |
| 2003 | 2 | 4 |
| 2004 | 2 | 0 |
| 2005 | 2 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 2 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 2 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 3 |
| 2021 | 1 | 0 |
| 2022 | 2 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Fail-safe operating method for a decentralized power generation plant4 Feb 2025US 12,216,178 B2SMA Solar Technology AG
- Device and method for detecting a fault current in a photovoltaic installation, and photovoltaic inverter comprising the device29 Oct 2024US 12,132,445 B2SMA Solar Technology AG
- Semiconductor integrated circuit for detecting leakage current and earth leakage circuit breaker having the same19 Jul 2022US 11,391,773 B2Sunnyic Corporation
- Fail-safe operating method for a decentralized power generation plant14 Jun 2022US 11,360,157 B2SMA Solar Technology AG
- Integrated earth leakage current detector and breaker circuit12 Oct 2021US 11,143,713 B2Sunnyic Corporation
- Device and method for detecting a fault current in a photovoltaic installation, and photovoltaic inverter comprising the device23 Mar 2023US 2023/0086841 A1SMA Solar Technology AG
- Fail-safe operating method for a decentralized power generation plant24 Nov 2022US 2022/0373613 A1SMA Solar Technology AG
- Semiconductor integrated circuit for detecting leakage current and earth leakage circuit breaker having the same22 Oct 2020US 2020/0333395 A1Sunnyic Corporation
- Fail-safe operating method for a decentralized power generation plant24 Sep 2020US 2020/0300924 A1SMA Solar Technology AG
- Integrated earth leakage current detector and breaker circuit3 Sep 2020US 2020/0278401 A1Sunnyic Corporation
Most cited
By later US patents
- Apparatus and method of detecting ground fault in power conversion system248US 6,927,955 B2Canon Kabushiki Kaisha · 2005
- Photovoltaic power generation system196US 6,812,396 B2Canon Kabushiki Kaisha · 2004
- Intelligent ground fault circuit interrupter185US 5,600,524 ALeviton Manufacturing Co., Inc. · 1997
- Intelligent ground fault circuit interrupter122US 5,715,125 ALeviton Manufacturing Co., Inc. · 1998
- Intelligent ground fault circuit interrupter121US 6,111,733 ALeviton Manufacturing Co., Inc. · 2000