H02M 3/337
In push-pull configuration
Official title: in push-pull configuration {(H02M3/33576 takes precedence; with self-oscillating arrangements H02M3/3382, H02M3/3385)}
H02M3/337 (In push-pull configuration) appears on 1,594 US grants and 1,245 published applications in this corpus.
Search patents in H02M- Granted patents
- 1,594
- Published applications
- 1,245
- Assignees
- 712
- Inventors
- 2,686
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 24 | 0 |
| 1978 | 11 | 0 |
| 1979 | 13 | 0 |
| 1980 | 13 | 0 |
| 1981 | 19 | 0 |
| 1982 | 23 | 0 |
| 1983 | 7 | 0 |
| 1984 | 18 | 0 |
| 1985 | 16 | 0 |
| 1986 | 13 | 0 |
| 1987 | 31 | 0 |
| 1988 | 20 | 0 |
| 1989 | 25 | 0 |
| 1990 | 19 | 0 |
| 1991 | 16 | 0 |
| 1992 | 19 | 0 |
| 1993 | 15 | 0 |
| 1994 | 18 | 0 |
| 1995 | 13 | 0 |
| 1996 | 21 | 0 |
| 1997 | 16 | 0 |
| 1998 | 6 | 0 |
| 1999 | 15 | 0 |
| 2000 | 17 | 0 |
| 2001 | 23 | 3 |
| 2002 | 23 | 23 |
| 2003 | 17 | 23 |
| 2004 | 29 | 38 |
| 2005 | 25 | 32 |
| 2006 | 31 | 38 |
| 2007 | 28 | 30 |
| 2008 | 21 | 39 |
| 2009 | 26 | 37 |
| 2010 | 34 | 43 |
| 2011 | 33 | 54 |
| 2012 | 41 | 68 |
| 2013 | 42 | 60 |
| 2014 | 58 | 88 |
| 2015 | 73 | 88 |
| 2016 | 82 | 76 |
| 2017 | 91 | 79 |
| 2018 | 101 | 87 |
| 2019 | 88 | 62 |
| 2020 | 95 | 89 |
| 2021 | 76 | 62 |
| 2022 | 53 | 36 |
| 2023 | 30 | 23 |
| 2024 | 30 | 21 |
| 2025 | 11 | 14 |
| 2026 | 18 | 32 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Control circuit for a resonant circuit and the method thereof8 Sep 2026US 12,732,113 B2Chengdu Monolithic Power Systems Co., Ltd.
- Wireless power receiving device21 Jul 2026US 12,689,235 B2Murata Manufacturing Co., Ltd.
- Embedded magnetic component transformer device16 Jun 2026US 12,658,354 B2Murata Manufacturing Co., Ltd.
- Switching power supply apparatus and electric power supply system16 Jun 2026US 12,658,813 B2TDK Corporation
- Ripple control for a capacitor between a PFC and a DC/DC converter9 Jun 2026US 12,651,958 B2Delta Electronics (Shanghai) Co., Ltd.
- Ultra-wide voltage range auxiliary power module27 Aug 2026US 2026/0254259 A1Hella Corporate Center USA, Inc.
- Bidirectional dc-to-dc power converter circuits and systems20 Aug 2026US 2026/0246391 A1Transportation IP Holdings, LLC
- Soft Switching Two Transistor Forward With Dual Clamp For High Voltage Bus And Large Input Voltage Range13 Aug 2026US 2026/0238134 A1Rompower Technology Holdings, LLC
- Resonant converter, method for switching bidirection operation thereof and distributed power supply system13 Aug 2026US 2026/0238135 A1Delta Electronics (Shanghai) Co., Ltd.
- Power conversion device30 Jul 2026US 2026/0221862 A1Panasonic Intellectual Property Management Co., Ltd.
Most cited
By later US patents
- Compact electrical power supply for signal processing applications323US 4,533,986 AGeneral Electric Company · 1985
- Systems and methods for providing positioning freedom, and support of different voltages, protocols, and power levels in a wireless power system255US 9,178,369 B2Mojo Mobility, Inc. · 2015
- DC/AC power converter233US 6,021,052 AStatpower Technologies Partnership · 2000
- Parallel resonant converter with zero voltage switching231US 4,992,919 A1991
- Integrated circuit for controlling power converter by frequency modulation and pulse width modulation230US 4,685,040 AGeneral Electric Company · 1987