Yu Liu

Person

Miwaukee, WI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Systems and methods for initiating adjustment of an operation assoc...
- Patent number 11,854,254
- Issue date Dec 26, 2023
- SHELL USA, INC.
- John Andrew Henley
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Voltage optimization technique for a permanent magnet motor used in...
- Patent number 11,750,057
- Issue date Sep 5, 2023
- Toshiba International Corporation
- Goutham Selvaraj
- E21 - EARTH DRILLING MINING
Information Patent Grant
Power system with an add-on power module
- Patent number 11,689,117
- Issue date Jun 27, 2023
- Toshiba International Corporation
- Da Jiao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Hybrid PV inverter with SCIB battery integration
- Patent number 11,183,938
- Issue date Nov 23, 2021
- Toshiba International Corporation
- Da Jiao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Uninterruptible power supply systems and methods using isolated int...
- Patent number 11,056,908
- Issue date Jul 6, 2021
- Eaton Intelligent Power Limited
- Robert William Johnson
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Hysteresis based DC offset corrector for current reconstruction whe...
- Patent number 11,005,406
- Issue date May 11, 2021
- Toshiba International Corporation
- Goutham Selvaraj
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Convex ridge type non-planar cutting tooth and diamond drill bit
- Patent number 10,563,464
- Issue date Feb 18, 2020
- CNPC USA Corporation
- Javier Davila
- E21 - EARTH DRILLING MINING
Information Patent Grant
Multi-mode energy router
- Patent number 10,498,221
- Issue date Dec 3, 2019
- Toshiba International Corporation
- Mark Douglas Rayner
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Uninterruptible power supply systems and methods using isolated int...
- Patent number 10,199,858
- Issue date Feb 5, 2019
- Eaton Intelligent Power Limited
- Robert William Johnson
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Convex ridge type non-planar cutting tooth and diamond drill bit
- Patent number 10,125,552
- Issue date Nov 13, 2018
- CNPC USA Corporation
- Liang Zhao
- E21 - EARTH DRILLING MINING
Information Patent Grant
Multi-mode energy router
- Patent number 10,097,078
- Issue date Oct 9, 2018
- Toshiba International Corporation
- Mark Douglas Rayner
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Three-phase three-level inverter with active voltage balance
- Patent number 9,979,319
- Issue date May 22, 2018
- Toshiba International Corporation
- Da Jiao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Three-phase three-level inverter with reduced common mode leakage c...
- Patent number 9,871,436
- Issue date Jan 16, 2018
- Toshiba International Corporation
- Da Jiao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Systems and apparatus for fault detection in DC power sources using...
- Patent number 9,297,862
- Issue date Mar 29, 2016
- Eaton Corporation
- George W. Oughton
- G01 - MEASURING TESTING
Information Patent Grant
Photovoltaic system and method employing a number of maximum power...
- Patent number 9,219,363
- Issue date Dec 22, 2015
- Eaton Corporation
- Yu Liu
- G05 - CONTROLLING REGULATING
Information Patent Grant
Active diagnostics and ground fault detection on photovoltaic strings
- Patent number 9,024,640
- Issue date May 5, 2015
- Eaton Corporation
- Yu Liu
- G01 - MEASURING TESTING
Information Patent Grant
Power flow regulator including a plurality of DC-DC converters
- Patent number 8,884,462
- Issue date Nov 11, 2014
- Eaton Corporation
- Yu Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
System and method for maximizing power output of photovoltaic strings
- Patent number 8,810,069
- Issue date Aug 19, 2014
- Eaton Corporation
- Yu Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
VOLTAGE OPTIMIZATION TECHNIQUE FOR A PERMANENT MAGNET MOTOR USED IN...
- Publication number 20230361645
- Publication date Nov 9, 2023
- Toshiba International Corporation
- Goutham Selvaraj
- E21 - EARTH DRILLING MINING
Information Patent Application
SYSTEMS AND METHODS FOR INITIATING ADJUSTMENT OF AN OPERATION ASSOC...
- Publication number 20220270361
- Publication date Aug 25, 2022
- SHELL USA, INC.
- John Andrew HENLEY
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
POWER SYSTEM WITH AN ADD-ON POWER MODULE
- Publication number 20220006391
- Publication date Jan 6, 2022
- Toshiba International Corporation
- Da Jiao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
HYSTERESIS BASED DC OFFSET CORRECTOR FOR CURRENT RECONSTRUCTION WHE...
- Publication number 20210036647
- Publication date Feb 4, 2021
- Toshiba International Corporation
- Goutham Selvaraj
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
VOLTAGE OPTIMIZATION TECHNIQUE FOR A PERMANENT MAGNET MOTOR USED IN...
- Publication number 20200321824
- Publication date Oct 8, 2020
- Toshiba International Corporation
- Goutham Selvaraj
- E21 - EARTH DRILLING MINING
Information Patent Application
Polycrystalline diamond compact cutter with improved geometry for c...
- Publication number 20200181985
- Publication date Jun 11, 2020
- CNPC USA CORPORATION
- Javier DAVILA
- E21 - EARTH DRILLING MINING
Information Patent Application
HYBRID PV INVERTER WITH SCIB BATTERY INTEGRATION & SCIB ADD-ON
- Publication number 20200153351
- Publication date May 14, 2020
- Toshiba International Corporation
- Da Jiao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Uninterruptible Power Supply Systems and Methods Using Isolated Int...
- Publication number 20200006978
- Publication date Jan 2, 2020
- Eaton Intelligent Power Limited
- Robert William Johnson
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
CONVEX RIDGE TYPE NON-PLANAR CUTTING TOOTH AND DIAMOND DRILL BIT
- Publication number 20190040689
- Publication date Feb 7, 2019
- CNPC USA CORPORATION
- Zhao Liang
- E21 - EARTH DRILLING MINING
Information Patent Application
MULTI-MODE ENERGY ROUTER
- Publication number 20180367026
- Publication date Dec 20, 2018
- Toshiba International Corporation
- Mark Douglas Rayner
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
THREE-PHASE THREE-LEVEL INVERTER WITH ACTIVE VOLTAGE BALANCE
- Publication number 20180145607
- Publication date May 24, 2018
- Toshiba International Corporation
- Da Jiao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
A METHOD OF PERFORMING A REAMING OPERATION AT A WELLSITE USING REAM...
- Publication number 20180051548
- Publication date Feb 22, 2018
- Shell Oil Company
- Yu LIU
- E21 - EARTH DRILLING MINING
Information Patent Application
UNINTERRUPTIBLE POWER SUPPLY SYSTEMS AND METHODS USING ISOLATED INT...
- Publication number 20170077748
- Publication date Mar 16, 2017
- EATON CORPORATION
- Robert William Johnson
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CONVEX RIDGE TYPE NON-PLANAR CUTTING TOOTH AND DIAMOND DRILL BIT
- Publication number 20170058615
- Publication date Mar 2, 2017
- CNPC USA CORPORATION
- Zhao Liang
- E21 - EARTH DRILLING MINING
Information Patent Application
MULTI-MODE ENERGY ROUTER
- Publication number 20160111971
- Publication date Apr 21, 2016
- Toshiba International Corporation
- Mark Douglas Rayner
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
UNINTERRUPTIBLE POWER SYSTEMS USING CURRENT SOURCE RECTIFIERS AND M...
- Publication number 20150171663
- Publication date Jun 18, 2015
- EATON CORPORATION
- Slobodan Krstic
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
HYBRID THREE-LEVEL T-TYPE CONVERTER FOR POWER APPLICATIONS
- Publication number 20150108958
- Publication date Apr 23, 2015
- EATON CORPORATION
- Jun Xu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
HYBRID POWER DEVICES AND SWITCHING CIRCUITS FOR HIGH POWER LOAD SOU...
- Publication number 20140185346
- Publication date Jul 3, 2014
- EATON CORPORATION
- Yu Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ACTIVE DIAGNOSTICS AND GROUND FAULT DETECTION ON PHOTOVOLTAIC STRINGS
- Publication number 20140070815
- Publication date Mar 13, 2014
- Yu Liu
- G01 - MEASURING TESTING
Information Patent Application
PHOTOVOLTAIC SYSTEM AND METHOD EMPLOYING A NUMBER OF MAXIMUM POWER...
- Publication number 20140062209
- Publication date Mar 6, 2014
- EATON CORPORATION
- YU LIU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SYSTEM AND METHOD FOR MAXIMIZING POWER OUTPUT OF PHOTOVOLTAIC STRINGS
- Publication number 20130069438
- Publication date Mar 21, 2013
- Yu Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SYSTEMS AND APPARATUS FOR FAULT DETECTION IN DC POWER SOURCES USING...
- Publication number 20130027077
- Publication date Jan 31, 2013
- EATON CORPORATION
- George W. Oughton
- G01 - MEASURING TESTING
Information Patent Application
POWER FLOW REGULATOR INCLUDING A PLURALITY OF DC-DC CONVERTERS
- Publication number 20120194005
- Publication date Aug 2, 2012
- YU LIU
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
UNINTERRUPTIBLE POWER SUPPLY SYSTEMS AND METHODS USING ISOLATED INT...
- Publication number 20120074786
- Publication date Mar 29, 2012
- EATON CORPORATION
- Robert William Johnson, JR.
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Person

Patents Grantslast 30 patents

Systems and methods for initiating adjustment of an operation assoc...

Voltage optimization technique for a permanent magnet motor used in...

Power system with an add-on power module

Hybrid PV inverter with SCIB battery integration

Uninterruptible power supply systems and methods using isolated int...

Hysteresis based DC offset corrector for current reconstruction whe...

Convex ridge type non-planar cutting tooth and diamond drill bit

Multi-mode energy router

Uninterruptible power supply systems and methods using isolated int...

Convex ridge type non-planar cutting tooth and diamond drill bit

Multi-mode energy router

Three-phase three-level inverter with active voltage balance

Three-phase three-level inverter with reduced common mode leakage c...

Systems and apparatus for fault detection in DC power sources using...

Photovoltaic system and method employing a number of maximum power...

Active diagnostics and ground fault detection on photovoltaic strings

Power flow regulator including a plurality of DC-DC converters

System and method for maximizing power output of photovoltaic strings

Patents Applicationslast 30 patents

VOLTAGE OPTIMIZATION TECHNIQUE FOR A PERMANENT MAGNET MOTOR USED IN...

SYSTEMS AND METHODS FOR INITIATING ADJUSTMENT OF AN OPERATION ASSOC...

POWER SYSTEM WITH AN ADD-ON POWER MODULE

HYSTERESIS BASED DC OFFSET CORRECTOR FOR CURRENT RECONSTRUCTION WHE...

VOLTAGE OPTIMIZATION TECHNIQUE FOR A PERMANENT MAGNET MOTOR USED IN...

Polycrystalline diamond compact cutter with improved geometry for c...

HYBRID PV INVERTER WITH SCIB BATTERY INTEGRATION & SCIB ADD-ON

Uninterruptible Power Supply Systems and Methods Using Isolated Int...

CONVEX RIDGE TYPE NON-PLANAR CUTTING TOOTH AND DIAMOND DRILL BIT

MULTI-MODE ENERGY ROUTER

THREE-PHASE THREE-LEVEL INVERTER WITH ACTIVE VOLTAGE BALANCE

A METHOD OF PERFORMING A REAMING OPERATION AT A WELLSITE USING REAM...

UNINTERRUPTIBLE POWER SUPPLY SYSTEMS AND METHODS USING ISOLATED INT...

CONVEX RIDGE TYPE NON-PLANAR CUTTING TOOTH AND DIAMOND DRILL BIT

MULTI-MODE ENERGY ROUTER

UNINTERRUPTIBLE POWER SYSTEMS USING CURRENT SOURCE RECTIFIERS AND M...

HYBRID THREE-LEVEL T-TYPE CONVERTER FOR POWER APPLICATIONS

HYBRID POWER DEVICES AND SWITCHING CIRCUITS FOR HIGH POWER LOAD SOU...

ACTIVE DIAGNOSTICS AND GROUND FAULT DETECTION ON PHOTOVOLTAIC STRINGS

PHOTOVOLTAIC SYSTEM AND METHOD EMPLOYING A NUMBER OF MAXIMUM POWER...

SYSTEM AND METHOD FOR MAXIMIZING POWER OUTPUT OF PHOTOVOLTAIC STRINGS

SYSTEMS AND APPARATUS FOR FAULT DETECTION IN DC POWER SOURCES USING...

POWER FLOW REGULATOR INCLUDING A PLURALITY OF DC-DC CONVERTERS

UNINTERRUPTIBLE POWER SUPPLY SYSTEMS AND METHODS USING ISOLATED INT...