Membership
Tour
Register
Log in
Philip T. Krein
Follow
Person
Champaign, IL, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Angle-based speed estimation of alternating current machines utiliz...
Patent number
9,954,624
Issue date
Apr 24, 2018
The Board of Trustees of the University of Illinois
Ali M. Bazzi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Apparatus and method for controlling DC-AC power conversion
Patent number
9,806,628
Issue date
Oct 31, 2017
SunPower Corporation
Patrick L. Chapman
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Systems and methods for photovoltaic string protection
Patent number
9,799,779
Issue date
Oct 24, 2017
The Board of Trustees of the University of Illinois
Philip T. Krein
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Apparatus for converting direct current to alternating current usin...
Patent number
9,722,504
Issue date
Aug 1, 2017
SunPower Corporation
Patrick L. Chapman
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Optimizing solar power conversion
Patent number
9,583,939
Issue date
Feb 28, 2017
The Board of Trustees of the University of Illinois
Pradeep S. Shenoy
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Virtual oscillator control of power electronics inverters
Patent number
9,484,745
Issue date
Nov 1, 2016
Rutgers, The State University of New Jersey
Brian Johnson
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Technologies for interleaved control of an inverter array
Patent number
9,467,063
Issue date
Oct 11, 2016
SunPower Corporation
Philip Krein
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Apparatus and method for controlling DC-AC power conversion
Patent number
9,225,256
Issue date
Dec 29, 2015
SunPower Corporation
Patrick L. Chapman
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Microinverters for employment in connection with photovoltaic modules
Patent number
9,143,053
Issue date
Sep 22, 2015
Sandia Corporation
Anthony L. Lentine
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
System and method for improving power conversion for advanced elect...
Patent number
9,116,692
Issue date
Aug 25, 2015
The Board of Trustees of the University of Illinois
Philip T. Krein
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Apparatus for converting direct current to alternating current usin...
Patent number
9,093,919
Issue date
Jul 28, 2015
SunPower Corporation
Patrick L. Chapman
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
System and method for compensating for high frequency application o...
Patent number
9,007,014
Issue date
Apr 14, 2015
The Board of Trustees of the University of Illinois
Ali M. Bazzi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Inverter array with localized inverter control
Patent number
8,842,454
Issue date
Sep 23, 2014
SolarBridge Technologies, Inc.
Brian Johnson
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method and apparatus for controlling an inverter using pulse mode c...
Patent number
8,737,100
Issue date
May 27, 2014
SolarBridge Technologies, Inc.
Patrick L. Chapman
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
System and method for optimizing solar power conversion
Patent number
8,508,074
Issue date
Aug 13, 2013
The Board of Trustees of the University of Illinois
Pradeep S. Shenoy
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Apparatus and method for controlling DC-AC power conversion
Patent number
8,482,947
Issue date
Jul 9, 2013
SolarBridge Technologies, Inc.
Patrick L. Chapman
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Voltage-sensed system and method for anti-islanding protection of g...
Patent number
8,423,312
Issue date
Apr 16, 2013
SolarBridge Technologies, Inc.
Philip T. Krein
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Modular system for unattended energy generation and storage
Patent number
8,350,411
Issue date
Jan 8, 2013
SolarBridge Technologies, Inc.
Jonathan W. Kimball
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Methods for minimizing double-frequency ripple power in single-phas...
Patent number
8,325,499
Issue date
Dec 4, 2012
SolarBridge Technologies, Inc.
Philip T. Krein
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method and apparatus for controlling an inverter using pulse mode c...
Patent number
8,284,574
Issue date
Oct 9, 2012
SolarBridge Technologies, Inc.
Patrick Chapman
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Apparatus for converting direct current to alternating current usin...
Patent number
8,279,642
Issue date
Oct 2, 2012
SolarBridge Technologies, Inc.
Patrick L. Chapman
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Methods and apparatus for providing an extremely fast response in s...
Patent number
8,155,898
Issue date
Apr 10, 2012
The Board of Trustees of the University of Illinois
Philip T. Krein
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Methods for minimizing double-frequency ripple power in single-phas...
Patent number
8,004,865
Issue date
Aug 23, 2011
SolarBridge Technologies, Inc.
Philip T. Krein
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Modular system for unattended energy generation and storage
Patent number
7,994,657
Issue date
Aug 9, 2011
SolarBridge Technologies, Inc.
Jonathan W. Kimball
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Apparatus and method for controlling a power supply
Patent number
7,982,434
Issue date
Jul 19, 2011
SolarBridge Technologies, Inc.
Jonathan W. Kimball
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Voltage-sensed system and method for anti-islanding protection of g...
Patent number
7,945,413
Issue date
May 17, 2011
SolarBridge Technologies, Inc.
Philip T. Krein
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Methods for minimizing double-frequency ripple power in single-phas...
Patent number
7,755,916
Issue date
Jul 13, 2010
SolarBridge Technologies, Inc.
Philip T. Krein
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Ripple correlation control based on limited sampling
Patent number
7,681,090
Issue date
Mar 16, 2010
SolarBridge Technologies, Inc.
Jonathan W. Kimball
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Apparatus, system, and method for controlling multiple power supplies
Patent number
7,663,342
Issue date
Feb 16, 2010
SolarBridge Technologies, Inc.
Jonathan W. Kimball
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Methods and devices for input waveform control in switching power s...
Patent number
7,382,112
Issue date
Jun 3, 2008
The Board of Trustees of the University of Illinois
Philip T. Krein
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
Apparatus and Method for Controlling DC-AC Power Conversion
Publication number
20160164427
Publication date
Jun 9, 2016
SunPower Corporation
Patrick L. Chapman
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
APPARATUS FOR CONVERTING DIRECT CURRENT TO ALTERNATING CURRENT
Publication number
20150333617
Publication date
Nov 19, 2015
SunPower Corporation
Patrick L. Chapman
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Systems and Methods for Photovoltaic String Protection
Publication number
20150131187
Publication date
May 14, 2015
THE BOARD OF TRUSTEES OF THE UNIVERSITY OF ILLINOIS
Philip T. Krein
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
VIRTUAL OSCILLATOR CONTROL OF POWER ELECTRONICS INVERTERS
Publication number
20150070948
Publication date
Mar 12, 2015
THE BOARD OF TRUSTEES OF THE UNIVERSITY OF ILLINOIS
Brian Johnson
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
SYSTEM AND METHOD FOR COMPENSATING FOR HIGH FREQUENCY APPLICATION O...
Publication number
20140184135
Publication date
Jul 3, 2014
THE BOARD OF TRUSTEES OF THE UNIVERSITY OF ILLINOIS
Ali M. Bazzi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
APPARATUS AND METHOD FOR CONTROLLING DC-AC POWER CONVERSION
Publication number
20140003100
Publication date
Jan 2, 2014
Patrick L. Chapman
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Optimizing Solar Power Conversion
Publication number
20130307341
Publication date
Nov 21, 2013
Pradeep S. Shenoy
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
ANGLE-BASED SPEED ESTIMATION OF ALTERNATING CURRENT MACHINES UTILIZ...
Publication number
20130289934
Publication date
Oct 31, 2013
THE BOARD OF TRUSTEES OF THE UNIVERSITY OF ILLINOIS
Ali M. Bazzi
G01 - MEASURING TESTING
Information
Patent Application
Method and Apparatus for Controlling an Inverter Using Pulse Mode C...
Publication number
20130094268
Publication date
Apr 18, 2013
Patrick L. Chapman
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
APPARATUS FOR CONVERTING DIRECT CURRENT TO ALTERNATING CURRENT
Publication number
20130027982
Publication date
Jan 31, 2013
Patrick L. Chapman
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
INVERTER ARRAY CONTROL
Publication number
20120134189
Publication date
May 31, 2012
SolarBridge Technologies
Philip Krein
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
INVERTER ARRAY WITH LOCALIZED INVERTER CONTROL
Publication number
20120134186
Publication date
May 31, 2012
SolarBridge Technologies
Brian Johnson
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
System and Method for Optimizing Solar Power Conversion
Publication number
20120091800
Publication date
Apr 19, 2012
THE BOARD OF TRUSTEES OF THE UNIVERSITY OF ILLINOIS
PRADEEP SHENOY
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Method and Apparatus for Controlling an Inverter Using Pulse Mode C...
Publication number
20120087158
Publication date
Apr 12, 2012
SolarBridge Technologies, Inc.
Patrick Chapman
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
METHODS FOR MINIMIZING DOUBLE-FREQUENCY RIPPLE POWER IN SINGLE-PHAS...
Publication number
20110305050
Publication date
Dec 15, 2011
Philip T. Krein
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Modular System For Unattended Energy Generation And Storage
Publication number
20110199044
Publication date
Aug 18, 2011
Jonathan W. Kimball
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
VOLTAGE-SENSED SYSTEM AND METHOD FOR ANTI-ISLANDING PROTECTION OF G...
Publication number
20110164440
Publication date
Jul 7, 2011
Philip T. Krein
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
APPARATUS AND METHOD FOR CONTROLLING DC-AC POWER CONVERSION
Publication number
20110026281
Publication date
Feb 3, 2011
Patrick L. Chapman
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
APPARATUS FOR CONVERTING DIRECT CURRENT TO ALTERNATING CURRENT
Publication number
20110026282
Publication date
Feb 3, 2011
Patrick L. Chapman
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
APPARATUS AND METHOD FOR CONTROLLING A POWER SUPPLY
Publication number
20100283326
Publication date
Nov 11, 2010
Jonathan W. Kimball
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
METHODS FOR MINIMIZING DOUBLE-FRQUENCY RIPPLE POWER IN SINGLE-PHASE...
Publication number
20100238690
Publication date
Sep 23, 2010
Philip T. Krein
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Methods for Minimizing Double-Frequency Ripple Power in Single-Phas...
Publication number
20090097283
Publication date
Apr 16, 2009
Philip T. Krein
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
VOLTAGE-SENSED SYSTEM AND METHOD FOR ANTI-ISLANDING PROTECTION OF G...
Publication number
20090059631
Publication date
Mar 5, 2009
Philip T. Krein
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
APPARATUS AND METHOD FOR CONTROLLING A POWER SUPPLY
Publication number
20080179961
Publication date
Jul 31, 2008
Jonathan W. Kimball
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
RIPPLE CORRELATION CONTROL BASED ON LIMITED SAMPLING
Publication number
20080183338
Publication date
Jul 31, 2008
Jonathan W. Kimball
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Modular System for Unattended Energy Generation and Storage
Publication number
20080150484
Publication date
Jun 26, 2008
Jonathan W. Kimball
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
METHODS AND APPARATUS FOR PROVIDING AN EXTREMELY FAST RESPONSE IN S...
Publication number
20080012544
Publication date
Jan 17, 2008
Philip T. Krein
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Methods and devices for input waveform control in switching power s...
Publication number
20070040533
Publication date
Feb 22, 2007
The Board of trustees of the University of Illinois
Philip T. Krein
G05 - CONTROLLING REGULATING
Information
Patent Application
COMMUTATION TECHNIQUE FOR AN AC-TO-AC CONVERTER BASED ON STATE MACH...
Publication number
20070035265
Publication date
Feb 15, 2007
The Board of trustees of the University of Illinois
Robert S. Balog
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
Dynamic current sharing dc-dc switching power supply
Publication number
20050286277
Publication date
Dec 29, 2005
The Board of trustees of the University of Illinois
Philip T. Krein
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC