H02M 7/4803
With means for reducing dc component from ac output voltage
Official title: {with means for reducing DC component from AC output voltage}
H02M7/4803 (With means for reducing dc component from ac output voltage) appears on 92 US grants and 69 published applications in this corpus.
Search patents in H02M- Granted patents
- 92
- Published applications
- 69
- Assignees
- 73
- Inventors
- 230
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 2 | 2 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 1 | 2 |
| 2009 | 1 | 5 |
| 2010 | 4 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 2 | 5 |
| 2016 | 3 | 1 |
| 2017 | 2 | 4 |
| 2018 | 3 | 1 |
| 2019 | 4 | 5 |
| 2020 | 3 | 8 |
| 2021 | 7 | 7 |
| 2022 | 9 | 5 |
| 2023 | 3 | 4 |
| 2024 | 5 | 8 |
| 2025 | 3 | 1 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for control of nonisolated bidirectional power converters5 May 2026US 12,620,914 B2The Trustees of Columbia University in the City of New York
- Motor control apparatus30 Dec 2025US 12,512,774 B2Sanyo Denki Co., Ltd.
- Power conversion device4 Mar 2025US 12,244,248 B2Mitsubishi Electric Corporation
- Power control apparatus14 Jan 2025US 12,199,523 B2Denso Corporation
- Power conversion device19 Nov 2024US 12,149,185 B2Mitsubishi Electric Corporation
- Systems and methods for power conversion with lc filter having an inductor with board-embedded winding1 Oct 2026US 2026/0302969 A1The Trustees of Columbia University in the City of New York
- Systems and methods for control of nonisolated bidirectional power converters13 Aug 2026US 2026/0238142 A1The Trustees of Columbia University in the City of New York
- Direct current balancing using a zero voltage detection signal30 Jul 2026US 2026/0221888 A1
- Dc/dc conversion circuit, inverter, and method for neutral point voltage balancing for inverter14 Aug 2025US 2025/0260329 A1Hoymiles Power Electronics Inc.
- Systems and methods for control of zero-sequence stabilized power converters24 Oct 2024US 2024/0356334 A1
Most cited
By later US patents
- DC content control for an inverter100US 5,600,548 ASundstrand Corporation · 1997
- Electric power conversion device95US 6,154,379 ATDK Corporation · 2000
- Control equipment for resistance welding machine67US 5,844,193 AKabushiki Kaisha Toshiba · 1998
- DC injection and even harmonics control system63US 6,282,104 B1Applied Power Inc. · 2001
- DC content control for an inverter42US 4,882,120 ASundstrand Corporation · 1989