G01R 15/185
With compensation or feedback windings or interacting coils
Official title: {with compensation or feedback windings or interacting coils, e.g. 0-flux sensors (using galvano-magnetic field sensors G01R15/20; conversion of DC into AC using transductors G01R19/20)}
G01R15/185 (With compensation or feedback windings or interacting coils) appears on 308 US grants and 263 published applications in this corpus.
Search patents in G01R- Granted patents
- 308
- Published applications
- 263
- Assignees
- 203
- Inventors
- 620
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 9 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 6 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 9 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 1 | 0 |
| 1998 | 7 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 0 |
| 2002 | 5 | 5 |
| 2003 | 2 | 4 |
| 2004 | 9 | 10 |
| 2005 | 5 | 5 |
| 2006 | 10 | 13 |
| 2007 | 11 | 6 |
| 2008 | 5 | 8 |
| 2009 | 9 | 5 |
| 2010 | 3 | 6 |
| 2011 | 5 | 13 |
| 2012 | 5 | 9 |
| 2013 | 5 | 11 |
| 2014 | 10 | 13 |
| 2015 | 10 | 14 |
| 2016 | 16 | 11 |
| 2017 | 15 | 13 |
| 2018 | 13 | 10 |
| 2019 | 8 | 11 |
| 2020 | 10 | 12 |
| 2021 | 11 | 13 |
| 2022 | 13 | 15 |
| 2023 | 13 | 10 |
| 2024 | 13 | 21 |
| 2025 | 13 | 15 |
| 2026 | 11 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ring core current transducer for flux detection8 Sep 2026US 12,730,161 B2Danisense A/S
- Monitoring of a transmission line16 Jun 2026US 12,656,386 B2Safran Electronics & Defense
- Core-based current sensors with integrated compensation coils16 Jun 2026US 12,656,415 B2Allegro MicroSystems, LLC
- Leakage current compensator circuit9 Jun 2026US 12,650,448 B2Hella GmbH & Co. KGaA
- Current measurement device and current measurement method12 May 2026US 12,625,168 B2Honda Motor Co., Ltd.
- Device for measuring the main currents of an electrical installation, measuring method and protection method using such a device20 Aug 2026US 2026/0243804 A1Schneider Electric Industries SAS
- Current measurement device and method30 Jul 2026US 2026/0219301 A1Southern Power Grid Sensing Technology (Guangdong) Co., Ltd.
- Electrical component and method for manufacturing such an electrical component23 Jul 2026US 2026/0211005 A1Schneider Electric Industries SAS
- Magnetic current sensor combining two measurement paths23 Jul 2026US 2026/0211006 A1Safran Electronics & Defense
- Current sensor and measurement device23 Jul 2026US 2026/0211007 A1Hioki E. E. Corporation
Most cited
By later US patents
- Power line sensors and systems incorporating same109US 7,174,261 B2Power Measurement Ltd. · 2007
- Method and apparatus for magnetizing and demagnetizing current transformers and magnetic bodies79US 6,160,697 A2000
- Method and apparatus for sensing direct current of one polarity in a conductor and electronically commutated motor control responsive to sensed motor current77US 4,952,853 AGeneral Electric Company · 1990
- Coaxial current sensors76US 5,066,904 AGeneral Electric Company · 1991
- Apparatus for determining differential mode and common mode noise67US 4,263,549 ACorcom, Inc. · 1981