H02M 3/285
Single converters with a plurality of output stages connected in parallel
Official title: {Single converters with a plurality of output stages connected in parallel (parallel operation of a plurality of converters in DC distribution networks H02J1/10)}
H02M3/285 (Single converters with a plurality of output stages connected in parallel) appears on 731 US grants and 761 published applications in this corpus.
Search patents in H02M- Granted patents
- 731
- Published applications
- 761
- Assignees
- 406
- Inventors
- 1,607
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 9 | 0 |
| 1988 | 7 | 0 |
| 1989 | 6 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 10 | 0 |
| 1998 | 17 | 0 |
| 1999 | 7 | 0 |
| 2000 | 7 | 0 |
| 2001 | 9 | 2 |
| 2002 | 10 | 13 |
| 2003 | 13 | 13 |
| 2004 | 10 | 22 |
| 2005 | 12 | 9 |
| 2006 | 12 | 12 |
| 2007 | 7 | 13 |
| 2008 | 9 | 9 |
| 2009 | 11 | 11 |
| 2010 | 11 | 8 |
| 2011 | 7 | 10 |
| 2012 | 7 | 19 |
| 2013 | 10 | 19 |
| 2014 | 14 | 29 |
| 2015 | 14 | 40 |
| 2016 | 42 | 41 |
| 2017 | 51 | 39 |
| 2018 | 42 | 48 |
| 2019 | 42 | 46 |
| 2020 | 38 | 47 |
| 2021 | 51 | 59 |
| 2022 | 61 | 70 |
| 2023 | 36 | 49 |
| 2024 | 60 | 49 |
| 2025 | 39 | 37 |
| 2026 | 21 | 47 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Switching power supply device23 Jun 2026US 12,665,520 B2GS Yuasa International Ltd.
- Power supply apparatus, three-phase transformer circuit, and charging pile9 Jun 2026US 12,651,954 B2Huawei Digital Power Technologies Co., Ltd.
- Multiport active bridge (mab) converter with equalized leakage inductances8 Oct 2026US 2026/0312504 A1Hitachi Energy Ltd
- A switch mode electrical power converter1 Oct 2026US 2026/0302960 A1Differential Power, Sl
- Power converter and magnetic element27 Aug 2026US 2026/0254361 A1Delta Electronics, Inc.
- Resonant converter, method for switching bidirection operation thereof and distributed power supply system13 Aug 2026US 2026/0238135 A1Delta Electronics (Shanghai) Co., Ltd.
- Power Supply Device6 Aug 2026US 2026/0227461 A1Mitsubishi Electric Corporation
Most cited
By later US patents
- Plural parallel resonant switching power supplies242US 5,946,206 ATDK Corporation · 1999
- Power conversion array applying small sequentially switched converters in parallel218US 5,563,780 AInternational Power Systems, Inc. · 1996
- Medium voltage PWM drive and method204US 5,625,545 AHalmar Robicon Group · 1997
- Factorized power architecture with point of load sine amplitude converters200US 6,930,893 B2VLT, Inc. · 2005
- Interleaved continuous flyback power converter system157US 5,796,595 AAstec International Limited · 1998