H02M 5/38
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
H02M5/38 (By combination of static with dynamic converters) appears on 6 US grants and 6 published applications in this corpus.
Search patents in H02M- Granted patents
- 6
- Published applications
- 6
- Assignees
- 4
- Inventors
- 13
- Latest grant
- 2 Mar 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 3 |
| 2008 | 2 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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- Frequency converter5 Sep 2017US 9,755,552 B2Hitachi Metals, Ltd.
- Retrofittable power distribution system for a household28 Jul 2009US 7,566,991 B2
- Retrofittable power distribution system for a household17 Jun 2008US 7,388,298 B2
- Retrofittable power distribution system for a household17 Jun 2008US 7,388,299 B2
- Fault ride-through circuit with variable frequency transformer and control method thereof20 Jun 2019US 2019/0190263 A1Guangdong University of Technology
- Frequency Converter12 Feb 2015US 2015/0043264 A1Hitachi Metals, Ltd.
- Power generation unit driver, power generation unit and energy output equipment in power grid20 Feb 2014US 2014/0049229 A1Siemens Aktiengesellschaft
- Retrofittable power distribution system for a household27 Dec 2007US 2007/0296221 A1
- Retrofittable power distribution system for a household27 Dec 2007US 2007/0296222 A1
Most cited
By later US patents
- Apparatus for co-generation of electric power21US 4,658,346 AKennecott Corporation · 1987
- Retrofittable power distribution system for a household11US 7,566,991 B22009
- Retrofittable power distribution system for a household10US 7,388,299 B22008
- Fault ride-through circuit with variable frequency transformer and control method thereof2US 10,938,209 B22021
- Retrofittable power distribution system for a household2US 7,388,298 B22008