H02H 3/42
Responsive to product of voltage and current
Official title: responsive to product of voltage and current
H02H3/42 (Responsive to product of voltage and current) appears on 90 US grants and 91 published applications in this corpus.
Search patents in H02H- Granted patents
- 90
- Published applications
- 91
- Assignees
- 76
- Inventors
- 253
- Latest grant
- 25 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 1 | 2 |
| 2004 | 2 | 1 |
| 2005 | 2 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 2 | 3 |
| 2011 | 1 | 1 |
| 2012 | 1 | 3 |
| 2013 | 2 | 4 |
| 2014 | 3 | 4 |
| 2015 | 1 | 1 |
| 2016 | 4 | 4 |
| 2017 | 5 | 9 |
| 2018 | 4 | 8 |
| 2019 | 4 | 6 |
| 2020 | 9 | 9 |
| 2021 | 6 | 5 |
| 2022 | 8 | 12 |
| 2023 | 11 | 8 |
| 2024 | 5 | 1 |
| 2025 | 2 | 3 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and system to determine electrical faults25 Feb 2025US 12,235,330 B2E.S.P. S.R.L.
- Power supply device with over-power protection7 Jan 2025US 12,191,756 B2Lutron Technology Company LLC
- Smart window and controller thereof, power detection method and storage medium9 Jul 2024US 12,034,293 B2Beijing BOE Sensor Technology Co., Ltd.
- Solid state power controller28 May 2024US 11,996,831 B2Lilium eAircraft GmbH
- Current transformer with embedded voltage field detection and thermal sensing27 Feb 2024US 11,914,004 B2Anord Mardix (USA) Inc.
- A method of detecting a fault in a transmission line of a power transmission system27 Aug 2026US 2026/0251727 A1Hitachi Energy Ltd
- Device, method and computer program product for prioritising switching off of electrical circuits13 Aug 2026US 2026/0237998 A1
- Electric meter and method for cold load pick-up management19 Mar 2026US 2026/0081463 A1Landis+Gyr Technology, Inc.
- Electrical assembly24 Apr 2025US 2025/0132553 A1Lear Corporation
- Power supply device with over-power protection13 Mar 2025US 2025/0088092 A1Lutron Technology Company LLC
Most cited
By later US patents
- Electronic motor load sensing device97US 5,473,497 AFranklin Electric Co., Inc. · 1995
- Power monitoring68US 5,930,092 ALoad Controls Incorporated · 1999
- Circuit interrupter with energy management functions47US 4,335,437 AWestinghouse Electric Corp. · 1982
- Directional wave detector apparatus43US 4,351,011 AASEA Aktiebolag · 1982
- Power protection circuit for transistors33US 4,355,341 ARCA Corporation · 1982