H02M 3/3353
Having at least two simultaneously operating switches on the input side
Official title: {having at least two simultaneously operating switches on the input side, e.g. "double forward" or "double (switched) flyback" converter}
H02M3/3353 (Having at least two simultaneously operating switches on the input side) appears on 288 US grants and 306 published applications in this corpus.
Search patents in H02M- Granted patents
- 288
- Published applications
- 306
- Assignees
- 191
- Inventors
- 686
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 3 |
| 2005 | 2 | 3 |
| 2006 | 2 | 2 |
| 2007 | 3 | 3 |
| 2008 | 2 | 3 |
| 2009 | 4 | 6 |
| 2010 | 2 | 9 |
| 2011 | 4 | 3 |
| 2012 | 8 | 6 |
| 2013 | 4 | 11 |
| 2014 | 7 | 26 |
| 2015 | 13 | 27 |
| 2016 | 24 | 20 |
| 2017 | 26 | 13 |
| 2018 | 24 | 15 |
| 2019 | 21 | 26 |
| 2020 | 25 | 20 |
| 2021 | 19 | 13 |
| 2022 | 7 | 13 |
| 2023 | 16 | 19 |
| 2024 | 7 | 25 |
| 2025 | 15 | 21 |
| 2026 | 19 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Self-adjusting bootstrap recharge system in dual-switch flyback converters8 Sep 2026US 12,732,110 B2STMicroelectronics International N. V.
- Compensation circuit for transient response improvement11 Aug 2026US 12,706,516 B2Texas Instruments Incorporated
- Power converter11 Aug 2026US 12,706,517 B2Delta Electronics, Inc.
- Protection circuit of flyback converter and control method11 Aug 2026US 12,706,544 B2Joulwatt Technology (Hangzhou) Co., Ltd.
- Auxiliary power circuit, balance circuit, and power supply system28 Jul 2026US 12,695,387 B2Delta Electronics, Inc.
- Resonant power converter and method of forming8 Oct 2026US 2026/0312490 A1GE Aviation Systems LLC
- Control system and control method thereof1 Oct 2026US 2026/0302915 A1Delta Electronics, Inc.
- Detecting signals from cascode power devices24 Sep 2026US 2026/0291373 A1Power Integrations, Inc.
- Flyback converter with improved light load efficiency24 Sep 2026US 2026/0291394 A1Apple Inc.
- Controller for power converter24 Sep 2026US 2026/0291395 A1Renesas Design (UK) Limited
Most cited
By later US patents
- Two-stage switching regulator having low power modes responsive to load power consumption264US 5,903,138 AMicro Linear Corporation · 1999
- Switching regulator having low power mode responsive to load power consumption178US 5,747,977 AMicro Linear Corporation · 1998
- Synchronous power rectifier80US 4,716,514 AUnitrode Corporation · 1987
- Zero-voltage switched FM-PWM converter61US 5,180,964 A1993
- Apparatus for implementing output voltage slope in current mode controlled power supplies57US 4,827,391 ATexas Instruments Incorporated · 1989