H02H 3/385
Using at least one homopolar quantity
Official title: {using at least one homopolar quantity}
H02H3/385 (Using at least one homopolar quantity) appears on 53 US grants and 33 published applications in this corpus.
Search patents in H02H- Granted patents
- 53
- Published applications
- 33
- Assignees
- 41
- Inventors
- 91
- Latest grant
- 13 Aug 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 5 |
| 2004 | 1 | 1 |
| 2005 | 2 | 0 |
| 2006 | 2 | 2 |
| 2007 | 2 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 2 |
| 2014 | 1 | 0 |
| 2015 | 1 | 0 |
| 2016 | 1 | 2 |
| 2017 | 0 | 0 |
| 2018 | 0 | 3 |
| 2019 | 3 | 6 |
| 2020 | 4 | 1 |
| 2021 | 7 | 0 |
| 2022 | 2 | 6 |
| 2023 | 1 | 0 |
| 2024 | 3 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for the detection of an arc fault in an electrical circuitry, and motor vehicle13 Aug 2024US 12,062,900 B2Audi AG
- System and method for controlling solar photovoltaic power generation on basis of machine learning9 Apr 2024US 11,953,870 B2Nanoomenergy Co., Ltd.
- Method and circuit for detecting an arc fault27 Feb 2024US 11,916,373 B2GE Aviation Systems LLC
- Solid-state ground-fault circuit interrupter8 Aug 2023US 11,721,508 B2
- Ground fault protection in a high resistance grounding system14 Jun 2022US 11,362,507 B2ABB Schweiz AG
- Cutoff control device20 Nov 2025US 2025/0357746 A1Autonetworks Technologies, Ltd.
- Solid-state ground-fault circuit interrupter15 Dec 2022US 2022/0399174 A1Amber Semiconductor, Inc.
- Method for the detection of an arc fault in an electrical circuitry, and motor vehicle28 Apr 2022US 2022/0131359 A1Audi AG
- Electrical system including a power distribution circuit21 Apr 2022US 2022/0123547 A1Lear Corporation
- Ground fault protection in a high resistance grounding system10 Feb 2022US 2022/0045500 A1ABB Schweiz AG
Most cited
By later US patents
- Sequence based network protector relay with forward overcurrent protection and antipumping feature90US 5,822,165 AEaton Corporation · 1998
- High resistance ground fault protection59US 4,878,142 AAsea Brown Boveri AG · 1989
- Protective relaying methods and apparatus41US 4,398,232 AWestinghouse Electric Corp. · 1983
- Ground distance relay employing phase comparator measurement34US 4,161,011 AGeneral Electric Company · 1979
- Negative and zero sequence directional overcurrent unit for AC power transmission line protection33US 4,825,327 AGeneral Electric Company · 1989