H02M 1/126
Using passive filters
Official title: {using passive filters}
H02M1/126 (Using passive filters) appears on 875 US grants and 1,059 published applications in this corpus.
Search patents in H02M- Granted patents
- 875
- Published applications
- 1,059
- Assignees
- 485
- Inventors
- 2,148
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 0 |
| 2002 | 8 | 5 |
| 2003 | 6 | 11 |
| 2004 | 7 | 13 |
| 2005 | 6 | 6 |
| 2006 | 10 | 9 |
| 2007 | 4 | 15 |
| 2008 | 6 | 14 |
| 2009 | 12 | 14 |
| 2010 | 14 | 16 |
| 2011 | 10 | 27 |
| 2012 | 27 | 31 |
| 2013 | 23 | 46 |
| 2014 | 27 | 48 |
| 2015 | 47 | 71 |
| 2016 | 49 | 56 |
| 2017 | 64 | 66 |
| 2018 | 61 | 42 |
| 2019 | 78 | 61 |
| 2020 | 56 | 62 |
| 2021 | 51 | 88 |
| 2022 | 64 | 77 |
| 2023 | 54 | 75 |
| 2024 | 63 | 77 |
| 2025 | 68 | 58 |
| 2026 | 41 | 71 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Power conversion device1 Oct 2026US 2026/0302920 A1Nissan Motor Co., Ltd.
- Power conversion system with common mode filter1 Oct 2026US 2026/0302928 A1Gamesa Electric, S.A. Unipersonal
- Common-mode voltage cancellation circuit and method of forming17 Sep 2026US 2026/0280413 A1GE Aviation Systems LLC
- Electric power supply apparatus for an electric furnace17 Sep 2026US 2026/0282183 A1Danieli Automation S.P.A.
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Most cited
By later US patents
- Variable frequency drive noise attenuation circuit85US 6,208,098 B1Yaskawa Electric America, Inc. · 2001
- High voltage, high efficiency sine wave generator with pre-set frequency and adjustable amplitude82US 9,910,453 B2Novocure GmbH · 2018
- Series resonant sinewave output filter and design methodology58US 6,208,537 B1Rockwell Technologies, LLC · 2001
- Apparatus for eliminating motor voltage reflections and reducing EMI currents51US 5,990,654 AAllen-Bradley Company, Inc. · 1999
- Multi-element resonant converters49US 7,742,318 B2Virginia Tech Intellectual Properties, Inc. · 2010