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North York, CA
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Patents Grants
last 30 patents
Information
Patent Grant
Modular multilevel converter and charging circuit therefor
Patent number
9,559,541
Issue date
Jan 31, 2017
Rockwell Automation Technologies, Inc.
Zhongyuan Cheng
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Multilevel converter systems and methods with reduced common mode v...
Patent number
9,520,800
Issue date
Dec 13, 2016
Rockwell Automation Technologies, Inc.
Kai Tian
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Multilevel converter systems and sinusoidal pulse width modulation...
Patent number
9,325,252
Issue date
Apr 26, 2016
Rockwell Automation Technologies, Inc.
Mehdi Narimani
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Multilevel voltage source converters and systems
Patent number
9,083,230
Issue date
Jul 14, 2015
Rockwell Automation Technologies, Inc.
Mehdi Narimani
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Low cost current source converters for power generation application
Patent number
8,698,335
Issue date
Apr 15, 2014
Rockwell Automation Technologies, Inc.
Jingya Dai
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Multi-phase power converters and integrated choke therfor
Patent number
8,653,931
Issue date
Feb 18, 2014
Rockwell Automation Technologies, Inc.
David Dewei Xu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Grid fault ride-through for current source converter-based wind ene...
Patent number
8,587,160
Issue date
Nov 19, 2013
Rockwell Automation Technologies, Inc.
Jingya Dai
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Grant
DC power for SGCT devices using a high frequency current loop with...
Patent number
8,476,859
Issue date
Jul 2, 2013
Rockwell Automation Technologies, Inc.
Angelo Bortolus
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Current source converter-based wind energy system
Patent number
8,350,397
Issue date
Jan 8, 2013
Rockwell Automation Technologies, Inc.
Yongqiang Lang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Power conversion systems and methods for controlling harmonic disto...
Patent number
8,044,631
Issue date
Oct 25, 2011
Rockwell Automation Technologies, Inc.
Jingya Dai
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Current source converter-based wind energy system
Patent number
8,030,791
Issue date
Oct 4, 2011
Rockwell Automation Technologies, Inc.
Yongqiang Lang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Parallel current mode control using a direct duty cycle algorithm w...
Patent number
7,514,913
Issue date
Apr 7, 2009
iWatt Inc.
Wanfeng Zhang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Self powered supply for power converter switch driver
Patent number
7,511,976
Issue date
Mar 31, 2009
Rockwell Automation Technologies, Inc.
Navid Reza Zargari
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
DC voltage balance control for three-level NPC power converters wit...
Patent number
7,495,938
Issue date
Feb 24, 2009
Rockwell Automation Technologies, Inc.
Bin Wu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Parallel current mode control using a direct duty cycle algorithm w...
Patent number
7,317,625
Issue date
Jan 8, 2008
iWatt Inc.
Wanfeng Zhang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
AC-to-AC (frequency) converter with three switches per leg
Patent number
7,310,254
Issue date
Dec 18, 2007
Rockwell Automation Technologies, Inc.
Congwei Liu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Sensorless control method and apparatus for a motor drive system
Patent number
7,276,877
Issue date
Oct 2, 2007
Honeywell International Inc.
Ming Qiu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Power converter with reduced common mode voltage
Patent number
7,274,576
Issue date
Sep 25, 2007
Rockwell Automation Technologies, Inc.
Navid Reza Zargari
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Integrated DC link choke and method for suppressing common-mode vol...
Patent number
7,132,812
Issue date
Nov 7, 2006
Rockwell Automation Technologies, Inc.
Bin Wu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Integrated DC link choke and method for suppressing common-mode vol...
Patent number
6,987,372
Issue date
Jan 17, 2006
Rockwell Automation Technologies, Inc.
Bin Wu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Integrated DC link choke and method for suppressing common-mode vol...
Patent number
6,867,564
Issue date
Mar 15, 2005
Rockwell Automation Technologies, Inc.
Bin Wu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Integrated DC link choke and method for suppressing common-mode vol...
Patent number
6,617,814
Issue date
Sep 9, 2003
Rockwell Automation Technologies, Inc.
Bin Wu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
PWM rectifier having de-coupled power factor and output current con...
Patent number
6,366,483
Issue date
Apr 2, 2002
Rockwell Automation Technologies, Inc.
Daming Ma
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
CSI based drive having feedforward control of inverter input voltage
Patent number
6,269,010
Issue date
Jul 31, 2001
Rockwell Technologies, LLC
Daming Ma
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
CSI based drive having active damping control
Patent number
6,166,929
Issue date
Dec 26, 2000
Rockwell Technologies, LLC
Daming Ma
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Harmonic eliminating PWM converter
Patent number
5,835,364
Issue date
Nov 10, 1998
Allen Bradley Company, LLC
Frank A. DeWinter
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
MODULAR MULTILEVEL CONVERTER AND CHARGING CIRCUIT THEREFOR
Publication number
20160211762
Publication date
Jul 21, 2016
Rockwell Automation Technologies, Inc.
Zhongyuan Cheng
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
MULTILEVEL CONVERTER SYSTEMS AND METHODS WITH REDUCED COMMON MODE V...
Publication number
20150200602
Publication date
Jul 16, 2015
Rockwell Automation Technologies, Inc.
Mehdi Narimani
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
MULTILEVEL CONVERTER SYSTEMS AND METHODS WITH REDUCED COMMON MODE V...
Publication number
20150194902
Publication date
Jul 9, 2015
Rockwell Automation Technologies, Inc.
Kai Tian
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
MULTILEVEL VOLTAGE SOURCE CONVERTERS AND SYSTEMS
Publication number
20140376287
Publication date
Dec 25, 2014
Rockwell Automation Technologies, Inc.
Mehdi Narimani
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
MULTI-PHASE POWER CONVERTERS AND INTEGRATED CHOKE THERFOR
Publication number
20120106210
Publication date
May 3, 2012
ROCKWELL AUTOMATION TECHNOLOGIES, INC.
David Dewei XU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
DC POWER FOR SGCT DEVICES USING A HIGH FREQUENCY CURRENT LOOP WITH...
Publication number
20120081058
Publication date
Apr 5, 2012
Rockwell Automation Technologies, Inc.
Angelo Bortolus
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
CURRENT SOURCE CONVERTER-BASED WIND ENERGY SYSTEM
Publication number
20110316490
Publication date
Dec 29, 2011
ROCKWELL AUTOMATION TECHNOLOGIES, INC.
Yongqiang Lang
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
LOW COST CURRENT SOURCE CONVERTERS FOR POWER GENERATION APPLICATION
Publication number
20110310642
Publication date
Dec 22, 2011
Rockwell Automation Technologies, Inc.
Jingya Dai
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
GRID FAULT RIDE-THROUGH FOR CURRENT SOURCE CONVERTER-BASED WIND ENE...
Publication number
20110057444
Publication date
Mar 10, 2011
ROCKWELL AUTOMATION TECHNOLOGIES, INC.
Jingya Dai
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Application
POWER CONVERSION SYSTEMS AND METHODS FOR CONTROLLING HARMONIC DISTO...
Publication number
20100165674
Publication date
Jul 1, 2010
ROCKWELL AUTOMATION TECHNOLOGIES, INC.
Jingya Dai
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
CURRENT SOURCE CONVERTER-BASED WIND ENERGY SYSTEM
Publication number
20100025995
Publication date
Feb 4, 2010
Rockwell Automation Technologies, Inc.
Yongqiang Lang
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Parallel Current Mode Control Using a Direct Duty Cycle Algorithm w...
Publication number
20080122422
Publication date
May 29, 2008
IWATT INC.
Wanfeng Zhang
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
SELF POWERED SUPPLY FOR POWER CONVERTER SWITCH DRIVER
Publication number
20070297202
Publication date
Dec 27, 2007
Rockwell Automation Technologies, Inc.
Navid Reza Zargari
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
POWER CONVERTER WITH REDUCED COMMON MODE VOLTAGE
Publication number
20070211501
Publication date
Sep 13, 2007
Rockwell Automation Technologies, Inc.
Navid Reza Zargari
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Nine device AC-to-AC converter
Publication number
20070189044
Publication date
Aug 16, 2007
Congwei Liu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
DC voltage balance control for three-level NPC power converters wit...
Publication number
20060245216
Publication date
Nov 2, 2006
Rockwell Automation, Inc.
Bin Wu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Parallel current mode control
Publication number
20050270813
Publication date
Dec 8, 2005
Wanfeng Zhang
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Sensorless control method and apparatus for a motor drive system
Publication number
20050007044
Publication date
Jan 13, 2005
Ming Qiu
G05 - CONTROLLING REGULATING