H02M 7/40
By combination of static with dynamic converters
Official title: by combination of static with dynamic converters; by combination of dynamo-electric with other dynamic or static converters
H02M7/40 (By combination of static with dynamic converters) appears on 8 US grants and 8 published applications in this corpus.
Search patents in H02M- Granted patents
- 8
- Published applications
- 8
- Assignees
- 7
- Inventors
- 21
- Latest grant
- 7 Dec 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 2 | 3 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Double-power-supply switching control system for a welding machine and method7 Dec 2021US 11,192,201 B2Shanghai Hugong Electric (Group) Co., Ltd.
- Rectifier arbitration in wireless charging systems16 Jul 2019US 10,355,514 B2Apple Inc.
- Insulation detecting circuit, power converting device and insulation impedance value detecting method27 Feb 2018US 9,906,134 B1Delta Electronics, Inc.
- Electrical transformer20 Feb 2018US 9,899,933 B2Tibbar Plasma Technologies, Inc.
- Method for charging a traction battery using a three phase source3 May 2016US 9,327,605 B2ZF Friedrichshafen AG
- Double-power-supply switching control system for a welding machine and method27 Feb 2020US 2020/0067414 A1Shanghai Hugong Electric (Group) Co., Ltd.
- Power conversion device5 Apr 2018US 2018/0097441 A1Delta Electronics (Thailand) Public Co., Ltd.
- Rectifier Arbitration in Wireless Charging Systems1 Mar 2018US 2018/0062416 A1Apple Inc.
- Insulation detecting circuit, power converting device and insulation impedance value detecting method8 Feb 2018US 2018/0041122 A1Delta Electronics, Inc.
- Electrical Transformer26 Jan 2017US 2017/0027048 A1Tibbar Plasma Technologies, Inc.
Most cited
By later US patents
- Control system for a power converter and method of controlling operation of a power converter63US 6,693,409 B2Northern Power Systems, Inc. · 2004
- Parallel-connected inverters with separate controllers having impedance current regulators34US 7,145,266 B2Northern Power Systems, Inc. · 2006
- Rectifier arbitration in wireless charging systems3US 10,355,514 B2Apple Inc. · 2019
- Method for charging a traction battery using a three phase source3US 9,327,605 B2ZF Friedrichshafen AG · 2016
- Insulation detecting circuit, power converting device and insulation impedance value detecting method2US 9,906,134 B1Delta Electronics, Inc. · 2018