H01F 2038/026
Non-linear inductive arrangements for converters
Official title: {non-linear inductive arrangements for converters, e.g. with additional windings}
H01F2038/026 (Non-linear inductive arrangements for converters) appears on 107 US grants and 91 published applications in this corpus.
Search patents in H01F- Granted patents
- 107
- Published applications
- 91
- Assignees
- 75
- Inventors
- 189
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 4 |
| 2003 | 4 | 1 |
| 2004 | 4 | 5 |
| 2005 | 2 | 5 |
| 2006 | 8 | 7 |
| 2007 | 5 | 4 |
| 2008 | 4 | 3 |
| 2009 | 2 | 7 |
| 2010 | 2 | 7 |
| 2011 | 4 | 3 |
| 2012 | 9 | 3 |
| 2013 | 4 | 11 |
| 2014 | 5 | 0 |
| 2015 | 5 | 13 |
| 2016 | 0 | 0 |
| 2017 | 11 | 3 |
| 2018 | 4 | 4 |
| 2019 | 1 | 2 |
| 2020 | 2 | 4 |
| 2021 | 3 | 1 |
| 2022 | 2 | 3 |
| 2023 | 1 | 1 |
| 2024 | 3 | 0 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Power supply module and transformer power supply device16 Jun 2026US 12,658,820 B2Delta Electronics (Shanghai) Co., Ltd.
- Integrated inductor and power module21 Oct 2025US 12,451,278 B2Delta Electronics (Shanghai) Co., Ltd.
- Magnetic integration of matrix transformer with controllable leakage inductance11 Jun 2024US 12,009,146 B2Virginia Tech Intellectual Properties, Inc.
- Switching power converter assemblies including coupled inductors, and associated methods9 Jan 2024US 11,869,695 B2Maxim Integrated Products, Inc.
- Magnetic devices for power converters with light load enhancers2 Jan 2024US 11,862,389 B1Volterra Semiconductor Corporation
- Single core cross-coupled multi-phase inductor22 Jun 2023US 2023/0197336 A1Our Next Energy, Inc.
- Power supply module and transformer power supply device8 Dec 2022US 2022/0393609 A1Delta Electronics (Shanghai) Co., Ltd.
- Integrated inductor and power module30 Jun 2022US 2022/0208425 A1Delta Electronics (Shanghai) Co., Ltd.
- Switching power converter assemblies including coupled inductors, and associated methods19 May 2022US 2022/0158558 A1Maxim Integrated Products, Inc.
- Fully integrated inversely weakly coupled power inductor8 Jul 2021US 2021/0210278 A1Schneider Electric It Corporation
Most cited
By later US patents
- Integrated-magnetic apparatus210US 5,726,615 A1998
- Three coil bridge transformer109US 5,225,971 AInternational Business Machines Corporation · 1993
- High frequency output inductor for inverter power supply103US 4,455,545 ASperry Corporation · 1984
- Low-noise switching power supply having variable reluctance transformer96US 4,994,952 AElectronics Research Group, Inc. · 1991
- PWM controller regulating output voltage and output current in primary side84US 6,721,192 B1System General Corp. · 2004