H02M 3/3372
Of the parallel type
Official title: {of the parallel type}
H02M3/3372 (Of the parallel type) appears on 255 US grants and 173 published applications in this corpus.
Search patents in H02M- Granted patents
- 255
- Published applications
- 173
- Assignees
- 182
- Inventors
- 452
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 9 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 7 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 7 | 0 |
| 2001 | 8 | 2 |
| 2002 | 5 | 5 |
| 2003 | 3 | 7 |
| 2004 | 9 | 8 |
| 2005 | 4 | 8 |
| 2006 | 9 | 11 |
| 2007 | 8 | 11 |
| 2008 | 5 | 12 |
| 2009 | 12 | 2 |
| 2010 | 6 | 4 |
| 2011 | 6 | 10 |
| 2012 | 7 | 9 |
| 2013 | 4 | 4 |
| 2014 | 6 | 14 |
| 2015 | 7 | 5 |
| 2016 | 13 | 8 |
| 2017 | 7 | 9 |
| 2018 | 7 | 9 |
| 2019 | 6 | 6 |
| 2020 | 7 | 7 |
| 2021 | 8 | 7 |
| 2022 | 5 | 5 |
| 2023 | 4 | 2 |
| 2024 | 5 | 3 |
| 2025 | 1 | 1 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ripple control for a capacitor between a PFC and a DC/DC converter9 Jun 2026US 12,651,958 B2Delta Electronics (Shanghai) Co., Ltd.
- Converter for performing DC-DC conversion and method for controlling same21 Apr 2026US 12,609,623 B2LG Energy Solution, Ltd.
- Power converter apparatus17 Feb 2026US 12,556,105 B2Autonetworks Technologies, Ltd.
- Method of controlling resonant push-pull converter20 May 2025US 12,308,753 B2Delta Electronics, Inc.
- Resonant frequency compensation8 Oct 2024US 12,113,366 B2Auckland Uniservices Limited
- Ultra-wide voltage range auxiliary power module27 Aug 2026US 2026/0254259 A1Hella Corporate Center USA, Inc.
- Integrated on-chip/in-package transformer driver for can applications30 Apr 2026US 2026/0121547 A1
- Non-isolated push-pull converter12 Feb 2026US 2026/0045865 A1Lite-On Technology Corporation
- Parallel resonant inverter and parallel-inverter control system1 Jan 2026US 2026/0005621 A1Huizhou Roypow Technology Co., Ltd
- System for providing an integrated power rail6 Mar 2025US 2025/0074224 A1Lear Corporation
Most cited
By later US patents
- DC/AC power converter233US 6,021,052 AStatpower Technologies Partnership · 2000
- Double ended converter with output synchronous rectifier and auxiliary input regulator215US 7,626,834 B2Enecsys Limited · 2009
- DC to DC transformer-based converter with push pull electronic switching192US 5,777,858 AAdvanced Power Conversion Ltd. · 1998
- Resonant forward converter161US 4,788,634 AMassachusetts Institute of Technology · 1988
- Soft-switching converter DC-to-DC isolated with voltage bidirectional switches on the secondary side of an isolation transformer106US 5,539,630 ACalifornia Institute of Technology · 1996