H02M 5/452
With automatic control of output waveform
Official title: with automatic control of output waveform
H02M5/452 (With automatic control of output waveform) appears on 15 US grants and 10 published applications in this corpus.
Search patents in H02M- Granted patents
- 15
- Published applications
- 10
- Assignees
- 14
- Inventors
- 27
- Latest grant
- 26 Dec 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 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 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 3 |
| 2016 | 3 | 1 |
| 2017 | 1 | 1 |
| 2018 | 2 | 1 |
| 2019 | 1 | 2 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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- Wind power converter device and converter device17 Jul 2018US 10,027,239 B2Delta Electronics, Inc.
- Operating circuit for coupling a synchronous machine with a voltage network and method for operating it22 Aug 2019US 2019/0260299 A1GE Energy Power Conversion Technology Limited
- Voltage converter without electrolytic capacitor25 Jul 2019US 2019/0229638 A1Guangdong Bestek E-Commerce Co., Ltd.
- Long-life intelligent step-down conversion device6 Dec 2018US 2018/0351471 A1Guangdong Bestek E-Commerce Co., Ltd.
- Wind power converter device and converter device21 Dec 2017US 2017/0366096 A1Delta Electronics, Inc.
- Wind power converter device and converter device10 Mar 2016US 2016/0069327 A1Delta Electronics, Inc.
Most cited
By later US patents
- Method and apparatus for improving performance of AC machines29US 5,189,357 ABoard of Regents, The University of Texas System · 1993
- Method and apparatus for improving performance of AC machines25US 5,019,766 AUniversity of Texas · 1991
- Method and apparatus for improving performance of AC machines25US 5,053,689 AThe University of Texas at Austin · 1991
- VSCF system with DC link harmonics control19US 5,016,157 ASundstrand Corporation · 1991
- Method and apparatus for detecting AFE filter capacitor degradation9US 9,294,005 B2Rockwell Automation Technologies, Inc. · 2016