H02M 1/4241
Using a resonant converter
Official title: {using a resonant converter}
H02M1/4241 (Using a resonant converter) appears on 267 US grants and 287 published applications in this corpus.
Search patents in H02M- Granted patents
- 267
- Published applications
- 287
- Assignees
- 180
- Inventors
- 555
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 2 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 3 |
| 2007 | 3 | 4 |
| 2008 | 1 | 1 |
| 2009 | 1 | 5 |
| 2010 | 2 | 2 |
| 2011 | 1 | 3 |
| 2012 | 1 | 7 |
| 2013 | 4 | 4 |
| 2014 | 7 | 10 |
| 2015 | 6 | 17 |
| 2016 | 17 | 11 |
| 2017 | 16 | 25 |
| 2018 | 23 | 20 |
| 2019 | 27 | 27 |
| 2020 | 17 | 20 |
| 2021 | 15 | 15 |
| 2022 | 21 | 23 |
| 2023 | 21 | 23 |
| 2024 | 15 | 30 |
| 2025 | 22 | 17 |
| 2026 | 13 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Scalable power circuit system and control method therefor3 Sep 2026US 2026/0261192 A1Shenzhen Contemporary E-Energy Technology Co., Limited
- Converter system and control method thereof20 Aug 2026US 2026/0246359 A1Delta Electronics, Inc.
- Inverter6 Aug 2026US 2026/0229918 A1QBYSS Ltd
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- Switching circuit arrangement for power factor correction2 Jul 2026US 2026/0189137 A1
Most cited
By later US patents
- High frequency inverter with power-line-controlled frequency modulation615US 5,404,082 ANorth American Philips Corporation · 1995
- High frequency AC/AC converter with PF correction107US 5,598,326 APhilips Electronics North America Corporation · 1997
- Resonant power factor converter78US 5,559,688 A1,005,539 Ontario Inc. · 1996
- Lamp ballast with frequency modulated lamp frequency68US 5,410,221 APhilips Electronics North America Corporation · 1995
- Double-clamped ZVS buck-boost power converter63US 7,561,446 B1VLT, Inc. · 2009