Cheng; Zhongyuan

Patent Applications and Registrations

Patent applications and USPTO patent grants for Cheng; Zhongyuan.The latest application filed is for "filter and afe power cell phase control".

Company Profile

4.43.42

Cheng; Zhongyuan - Kitchener CA
Cheng; Zhongyuan - Cambridge CA
Cheng; Zhongyuan - Ontario N/A CA
- Cambridge CA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Trademarks

Patent Activity

Patent	Date
Systems and methods of multi-motor regenerative drive Grant 11,437,938 - Zargari , et al. September 6, 2	2022-09-06
Filter And Afe Power Cell Phase Control App 20220200479 - Ni; Zhituo ; et al.	2022-06-23
Regenerative medium voltage drive (Cascaded H Bridge) with reduced number of sensors Grant 11,342,878 - Abuelnaga , et al. May 24, 2	2022-05-24
Systems And Methods Of Multi-motor Regenerative Drive App 20220103098 - Zargari; Navid R. ; et al.	2022-03-31
Capacitor size reduction and lifetime extension for cascaded H-bridge drives Grant 11,211,879 - Abuelnaga , et al. December 28, 2	2021-12-28
Capacitor Size Reduction And Lifetime Extension For Cascaded H-bridge Drives App 20210091681 - Abuelnaga; Ahmed Hisham ; et al.	2021-03-25
Filter And Afe Power Cell Phase Control App 20210058003 - Ni; Zhituo ; et al.	2021-02-25
Method And Apparatus For Bypassing Cascaded H-bridge (chb) Power Cells And Power Sub Cell For Multilevel Inverter App 20190214899 - Zargari; Navid R. ; et al.	2019-07-11
Method and apparatus for bypassing Cascaded H-Bridge (CHB) power cells and power sub cell for multilevel inverter Grant 10,305,368 - Zargari , et al.	2019-05-28
Method And Apparatus For Bypassing Cascaded H-bridge (chb) Power Cells And Power Sub Cell For Multilevel Inverter App 20180145578 - Zargari; Navid R. ; et al.	2018-05-24
Multiphase Multilevel Power Converter, Control Apparatus And Methods To Control Harmonics During Bypass Operation App 20180091058 - Cheng; Zhongyuan ; et al.	2018-03-29
Motor drive filter damping Grant 9,923,469 - Xiao , et al. March 20, 2	2018-03-20
Method and apparatus for bypassing cascaded h-bridge (CHB) power cells and power sub cell for multilevel inverter Grant 9,912,221 - Zargari , et al. March 6, 2	2018-03-06
Power conversion system Grant 9,831,846 - Cheng , et al. November 28, 2	2017-11-28
Motor Drive Filter Damping App 20170324333 - Xiao; Yuan ; et al.	2017-11-09
Spare on demand power cells for modular multilevel power converter Grant 9,812,990 - Cheng , et al. November 7, 2	2017-11-07
Power Conversion System App 20170302244 - Cheng; Zhongyuan ; et al.	2017-10-19
Sparse matrix multilevel actively clamped power converter Grant 9,748,862 - Cheng , et al. August 29, 2	2017-08-29
Power structure diagnostic method and apparatus for improved motor drive diagnostic coverage Grant 9,653,910 - Drake , et al. May 16, 2	2017-05-16
Cascaded H-bridge (CHB) inverter level shift PWM with rotation Grant 9,627,994 - Nondahl , et al. April 18, 2	2017-04-18
Modular multilevel converter and charging circuit therefor Grant 9,559,541 - Cheng , et al. January 31, 2	2017-01-31
Multilevel converter systems and methods with reduced common mode voltage Grant 9,520,800 - Tian , et al. December 13, 2	2016-12-13
Method And Apparatus For Bypassing Cascaded H-bridge (chb) Power Cells And Power Sub Cell For Multilevel Inverter App 20160344278 - Zargari; Navid R. ; et al.	2016-11-24
Sparse Matrix Multilevel Actively Clamped Power Converter App 20160336872 - Cheng; Zhongyuan ; et al.	2016-11-17
Method and apparatus for bypassing cascaded H-bridge (CHB) power cells and power sub cell for multilevel inverter Grant 9,425,705 - Zargari , et al. August 23, 2	2016-08-23
Modular Multilevel Converter And Charging Circuit Therefor App 20160211762 - Cheng; Zhongyuan ; et al.	2016-07-21
Systems and methods for detecting partial discharge in electrical components Grant 9,372,172 - Cheng , et al. June 21, 2	2016-06-21
Power converter with common mode voltage reduction Grant 9,362,839 - Wei , et al. June 7, 2	2016-06-07
Power Structure Diagnostic Method And Apparatus For Improved Motor Drive Diagnostic Coverage App 20160141865 - Drake; Reginald A. ; et al.	2016-05-19
Multilevel converter systems and sinusoidal pulse width modulation methods Grant 9,325,252 - Narimani , et al. April 26, 2	2016-04-26
Systems and methods for detecting partial discharge in electrical components Grant 9,304,111 - Cheng , et al. April 5, 2	2016-04-05
Multilevel Converter Systems And Methods With Reduced Common Mode Voltage App 20150200602 - Narimani; Mehdi ; et al.	2015-07-16
Multilevel voltage source converters and systems Grant 9,083,230 - Narimani , et al. July 14, 2	2015-07-14
Multilevel Converter Systems And Methods With Reduced Common Mode Voltage App 20150194902 - Tian; Kai ; et al.	2015-07-09
Cascaded H-bridge (chb) Inverter Level Shift Pwm With Rotation App 20150180369 - Nondahl; Thomas ; et al.	2015-06-25
Method And Apparatus For Bypassing Cascaded H-bridge (chb) Power Cells And Power Sub Cell For Multilevel Inverter App 20150171733 - Zargari; Navid R. ; et al.	2015-06-18
Method and apparatus for detecting power converter capacitor degradation using negative sequence currents Grant 9,054,589 - Cheng , et al. June 9, 2	2015-06-09
Systems And Methods For Detecting Partial Discharge In Electrical Components App 20150137827 - Cheng; Zhongyuan ; et al.	2015-05-21
Systems And Methods For Detecting Partial Discharge In Electrical Components App 20150091597 - Cheng; Zhongyuan ; et al.	2015-04-02
Cascaded H-Bridge (CHB) inverter level shift PWM with rotation Grant 8,982,593 - Nondahl , et al. March 17, 2	2015-03-17
Multilevel Voltage Source Converters And Systems App 20140376287 - Narimani; Mehdi ; et al.	2014-12-25
Adaptive harmonic reduction apparatus and methods Grant 8,810,182 - Zhou , et al. August 19, 2	2014-08-19
Cascaded H-bridge (chb) Inverter Level Shift Pwm With Rotation App 20140036557 - Nondahl; Thomas ; et al.	2014-02-06
Cascaded H-bridge (CHB) inverter level shift PWM with rotation Grant 8,619,446 - Liu , et al. December 31, 2	2013-12-31
Cascaded H-bridge (CHB) inverter level shift PWM with rotation Grant 08619446 -	2013-12-31
Cascaded H-bridge (chb) Inverter Level Shift Pwm With Rotation App 20130286704 - Liu; Jingbo ; et al.	2013-10-31
Power converter and integrated DC choke therefor Grant 8,537,575 - Xiao , et al. September 17, 2	2013-09-17
DC power for SGCT devices using a high frequency current loop with multiple current transformers Grant 8,476,859 - Bortolus , et al. July 2, 2	2013-07-02
Adaptive harmonic reduction apparatus and methods Grant 8,471,514 - Zargari , et al. June 25, 2	2013-06-25
Power Converter And Integrated Dc Choke Therefor App 20130141950 - Xiao; Yuan ; et al.	2013-06-06
Dynamic braking for current source converter based drive Grant 8,400,085 - Rineh , et al. March 19, 2	2013-03-19
Voltage Converter Configurations For Solar Energy System Applications App 20130063991 - Xiao; Yuan ; et al.	2013-03-14
Method And Apparatus For Detecting Power Converter Capacitor Degradation Using Negative Sequence Currents App 20130057297 - Cheng; Zhongyuan ; et al.	2013-03-07
Power converter and integrated DC choke therefor Grant 8,379,417 - Xiao , et al. February 19, 2	2013-02-19
Adaptive Harmonic Reduction Apparatus And Methods App 20130033907 - Zhou; Hua ; et al.	2013-02-07
Power Converter And Integrated Dc Choke Therefor App 20130010504 - XIAO; YUAN ; et al.	2013-01-10
Power Converter With Common Mode Voltage Reduction App 20120201056 - Wei; Lixiang ; et al.	2012-08-09
Common mode voltage reduction apparatus and method for current source converter based drive Grant 8,223,511 - Cheng , et al. July 17, 2	2012-07-17
Adaptive Harmonic Reduction Apparatus And Methods App 20120081061 - Zargari; Navid ; et al.	2012-04-05
Dc Power For Sgct Devices Using A High Frequency Current Loop With Multiple Current Transformers App 20120081058 - Bortolus; Angelo ; et al.	2012-04-05
Common Mode Voltage Reduction Apparatus And Method For Current Source Converter Based Drive App 20110299308 - Cheng; Zhongyuan ; et al.	2011-12-08
Power conversion system and method for active damping of common mode resonance Grant 7,990,097 - Cheng , et al. August 2, 2	2011-08-02
Self powered supply for power converter switch driver Grant 7,965,526 - Zargari , et al. June 21, 2	2011-06-21
Dynamic Braking For Current Source Converter Based Drive App 20110057588 - Rineh; Ghodratollah Esmaeili ; et al.	2011-03-10

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