H02M 7/53835
Of the parallel type
Official title: {of the parallel type}
H02M7/53835 (Of the parallel type) appears on 66 US grants and 7 published applications in this corpus.
Search patents in H02M- Granted patents
- 66
- Published applications
- 7
- Assignees
- 29
- Inventors
- 48
- Latest grant
- 26 Dec 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 6 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 11 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Output stabilization circuit and DC/DC converter circuit26 Dec 2023US 11,855,546 B2Sumida Corporation
- Self-excited push-pull converter11 Jul 2017US 9,705,421 B2Mornsun Guangzhou Science & Technology Co., Ltd.
- Push-push oscillator circuit31 Mar 2015US 8,994,463 B2Freescale Semiconductor, Inc.
- Oscillation device with auxiliary oscillating means27 Mar 2012US 8,143,954 B2Continental Automotive GmbH
- Lamp grounding and leakage current detection system27 May 2003US 6,570,344 B2O2Micro International Limited
- Output Stabilization Circuit And DC/DC Converter Circuit29 Sep 2022US 2022/0311342 A1Sumida Corporation
- Inductive power transmitter28 Sep 2017US 2017/0279313 A1PowerbyProxi Limited
- Self-excited push-pull converter21 Jul 2016US 2016/0211769 A1
- Self-excited push-pull converter26 Jun 2014US 2014/0177291 A1
- Push-push oscillator circuit6 Jun 2013US 2013/0141175 A1Freescale Semiconductor, Inc.
Most cited
By later US patents
- Lamp grounding and leakage current detection system83US 6,570,344 B2O2Micro International Limited · 2003
- Electronic ballast with FET bridge inverter58US 5,481,160 A1996
- Electronic ballast for instant-start lamps57US 5,744,915 A1998
- Double-ended inverter with boost transformer having output side impedance element50US 5,822,201 AKijima Co., Ltd. · 1998
- Dimmable parallel-resonant electric ballast46US 5,422,546 A1995