G05F 3/06
Using combinations of saturated and unsaturated inductive devices
Official title: using combinations of saturated and unsaturated inductive devices, e.g. combined with resonant circuit
G05F3/06 (Using combinations of saturated and unsaturated inductive devices) appears on 42 US grants and 5 published applications in this corpus.
Search patents in G05F- Granted patents
- 42
- Published applications
- 5
- Assignees
- 36
- Inventors
- 68
- Latest grant
- 25 Jun 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 4 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 0 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 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 | 1 |
| 2018 | 0 | 2 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Common-mode (CM) electromagnetic interference (EMI) reduction in resonant converters25 Jun 2019US 10,333,410 B2Futurewei Technologies, Inc.
- EDI module with stabilizing DC current28 Aug 2007US 7,261,802 B2Zhejiang Omex Enviromental Engineering Ltd.
- Dielectric transformer9 Sep 1997US 5,666,047 AThe United States of America as represented by the Secretary of the Navy
- Ferroresonant battery charger with constant current finish rate23 Apr 1996US 5,510,692 ALaMarche Manufacturing Company
- Method and apparatus for sensing loss of regulation in a ferroresonant transformer4 Dec 1990US 4,975,649 AAlbar, Inc.
- Electrical transformer with resonant primary and inductive secondary and its manufacturing method17 Jul 2025US 2025/0232908 A1Reson Energy Ltda
- Voltage regulators with improved power supply rejection using negative impedance4 Oct 2018US 2018/0284829 A1Vidatronic, Inc.
- Common-Mode (CM) Electromagnetic Interference (EMI) Reduction in Resonant Converters15 Mar 2018US 2018/0074538 A1Futurewei Technologies, Inc.
- Voltage Converter Circuitry Having Permanent Magnet Structures30 Mar 2017US 2017/0090500 A1Apple Inc.
- EDI module with stabilizing DC current12 Feb 2004US 2004/0027100 A1Zhejiang Omex Environmental Engineering Ltd.
Most cited
By later US patents
- Self-regulated transformer-inductor with air gaps65US 4,766,365 AHydro-Quebec · 1988
- Controlled ferroresonant transformer regulated power supply58US 3,965,408 AInternational Business Machines Corporation · 1976
- Stabilized power supplies53US 4,019,122 ATelcon-Magnetic Cores Limited · 1977
- Voltage regulating transformer46US 4,075,547 AFrequency Technology, Inc. · 1978
- Polyphase line voltage regulator45US 4,531,085 APower Distribution, Inc. · 1985