G05F 1/32
Using magnetic devices having a controllable degree of saturation as final control
Official title: using magnetic devices having a controllable degree of saturation as final control devices
G05F1/32 (Using magnetic devices having a controllable degree of saturation as final control) appears on 123 US grants and 50 published applications in this corpus.
Search patents in G05F- Granted patents
- 123
- Published applications
- 50
- Assignees
- 76
- Inventors
- 217
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 6 | 0 |
| 1978 | 3 | 0 |
| 1979 | 7 | 0 |
| 1980 | 0 | 0 |
| 1981 | 8 | 0 |
| 1982 | 4 | 0 |
| 1983 | 6 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 4 |
| 2004 | 1 | 2 |
| 2005 | 2 | 4 |
| 2006 | 2 | 1 |
| 2007 | 4 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 2 | 0 |
| 2013 | 0 | 3 |
| 2014 | 1 | 1 |
| 2015 | 0 | 4 |
| 2016 | 5 | 0 |
| 2017 | 4 | 7 |
| 2018 | 4 | 4 |
| 2019 | 7 | 6 |
| 2020 | 3 | 0 |
| 2021 | 1 | 3 |
| 2022 | 1 | 0 |
| 2023 | 3 | 2 |
| 2024 | 1 | 3 |
| 2025 | 0 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Transformer-hybrid variable reactance6 Oct 2026US 12,754,576 B2Clark Power Systems, Inc.
- Photovoltaic converter and photovoltaic generation system28 Jul 2026US 12,695,027 B2Huawei Digital Power Technologies Co., Ltd.
- Trans-inductor voltage regulator using a nonlinear compensation inductor20 Feb 2024US 11,909,324 B2Dell Products L. P.
- Dual saturable reactor power supply26 Dec 2023US 11,855,559 B2Hamilton Sundstrand Corporation
- Electrical power distribution network and process25 Apr 2023US 11,637,429 B2Third Equation Ltd
- Coupled inductor and voltage regulator28 Aug 2025US 2025/0273389 A1
- Coupled and integrated inductor and trans-inductor voltage regulator23 Jan 2025US 2025/0029768 A1Heyuan Poco Magnetic Co., Ltd.
- Ultra-thin voltage regulator module with high current density and inductor assembly28 Nov 2024US 2024/0393815 A1Shanghai Metapwr Electronics Co., Ltd
- Photovoltaic converter and photovoltaic generation system1 Aug 2024US 2024/0258026 A1Huawei Digital Power Technologies Co., Ltd.
- Transformer-Hybrid Variable Reactance13 Jun 2024US 2024/0195169 A1Clark Power Systems, Inc.
Most cited
By later US patents
- DC-DC converter with saturable reactor reset circuit98US 4,811,187 AHitachi Metals, Ltd. · 1989
- Inductive wireless data connection91US 5,325,046 AApple Computer, Inc. · 1994
- Critically continuous boost converter84US 5,367,247 AInternational Business Machines Corporation · 1994
- DC-DC converter with adaptive zero-voltage switching76US 5,157,592 AInternational Business Machines Corporation · 1992
- Method and apparatus for multiple output regulation in a step-down switching regulator75US 5,532,577 AMaxim Integrated Products, Inc. · 1996