H01H 2083/146
Provisions for avoiding disadvantages of having asymetrical primaries
Official title: {Provisions for avoiding disadvantages of having asymetrical primaries, e.g. induction of a magnetic field even by zero difference current}
H01H2083/146 (Provisions for avoiding disadvantages of having asymetrical primaries) appears on 10 US grants and 7 published applications in this corpus.
Search patents in H01H- Granted patents
- 10
- Published applications
- 7
- Assignees
- 5
- Inventors
- 16
- Latest grant
- 12 Jul 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 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 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 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 | 1 |
| 2019 | 1 | 3 |
| 2020 | 3 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Differential current sensing bussing method12 Jul 2022US 11,385,300 B2Schneider Electric USA, Inc.
- Differential current sensing bussing method1 Dec 2020US 10,852,326 B2Schneider Electric USA, Inc.
- Multiple core transformer assembly23 Jun 2020US 10,690,700 B2Leviton Manufacturing Co., Inc.
- Integrated arc fault and ground fault current sensing package14 Apr 2020US 10,622,800 B2Schneider Electric USA, Inc.
- Multiple core transformer assembly11 Jun 2019US 10,317,431 B2Leviton Manufacturing Co., Inc.
- Differential current sensing bussing method11 Mar 2021US 2021/0072293 A1Schneider Electric USA, Inc.
- Multiple core transformer assembly19 Sep 2019US 2019/0285668 A1Leviton Manufacturing Co., Inc.
- Differential current sensing bussing method14 Feb 2019US 2019/0049489 A1Schneider Electric USA, Inc.
- Integrated arc fault and ground fault current sensing package14 Feb 2019US 2019/0052072 A1Schneider Electric USA, Inc.
- Multiple core transformer assembly12 Apr 2018US 2018/0100879 A1Leviton Manufacturing Co., Inc.
Most cited
By later US patents
- Differential transformer correction by compensation11US 5,747,980 ALeviton Manufacturing Co., Inc. · 1998
- Residual current transformer9US 4,295,112 AMitsubishi Denki Kabushiki Kaisha · 1981
- False triggering protection for ground fault sensor8US 3,976,918 AI-T-E Imperial Corporation · 1976
- Differential current sensing bussing method3US 10,852,326 B2Schneider Electric USA, Inc. · 2020
- Current transformer and method for correcting asymmetries therein3US 6,639,770 B2General Electric Company · 2003