H02M 7/53846
Control circuits
H02M7/53846 (Control circuits) appears on 112 US grants and 51 published applications in this corpus.
Search patents in H02M- Granted patents
- 112
- Published applications
- 51
- Assignees
- 74
- Inventors
- 166
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 7 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 5 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 14 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 5 | 2 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 2 |
| 2008 | 3 | 3 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 2 | 6 |
| 2018 | 4 | 4 |
| 2019 | 3 | 3 |
| 2020 | 4 | 1 |
| 2021 | 4 | 8 |
| 2022 | 3 | 5 |
| 2023 | 2 | 3 |
| 2024 | 6 | 3 |
| 2025 | 2 | 3 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- X-type multilevel converter systems including interleaved topologies for mutual inductance cancellation1 Sep 2026US 12,726,138 B2GM Global Technology Operations LLC
- High fault-current inverters1 Sep 2026US 12,727,132 B2X Development LLC
- Compact power converter with transistors thermally and electrically connected to a fluid cooled bus bar13 May 2025US 12,301,110 B2Marel Power Solutions, Inc.
- Method for detecting a characteristic operating parameter of a transistor of an inverter22 Apr 2025US 12,283,898 B2Robert Bosch GmbH
- Frequency generator for generating a working frequency for a rail contact of an axle counter29 Oct 2024US 12,132,416 B2GTS Deutschland GmbH
- X-type multilevel converter systems including interleaved topologies for mutual inductance cancellation28 May 2026US 2026/0149391 A1GM Global Technology Operations LLC
- Self-biasing inverter and control method thereof2 Oct 2025US 2025/0309786 A1Realtek Semiconductor Corp.
- Compact power converter with transistors thermally and electrically connected to a fluid cooled bus bar21 Aug 2025US 2025/0267825 A1Marel Power Solutions, Inc.
- Wireless charging control circuit, wireless charging transmitter circuit, and chip10 Jul 2025US 2025/0226696 A1Zhuhai Nanxin Semiconductor Technology Co., Ltd.
- High fault-current inverters19 Dec 2024US 2024/0421700 A1X Development LLC
Most cited
By later US patents
- Microwave output stabilizing apparatus of a microwave oven and a method thereof90US 5,451,750 ASamsung Electronics Co., Ltd. · 1995
- Dual mode solid state inverter circuit for starting and ballasting gas discharge lamps79US 4,060,751 AGeneral Electric Company · 1977
- Method and apparatus for controlling minimum brightness of a fluorescent lamp72US 6,307,765 B1Linfinity Microelectronics · 2001
- Discharge lamp auxiliary circuit with dI/dt switching control68US 4,060,752 AGeneral Electric Company · 1977
- Method and apparatus for controlling minimum brightness of a flourescent lamp62US 6,469,922 B2Linfinity Microelectronics · 2002