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Xuefeng T. Tao
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Greenwood, IN, US
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Patents Grants
last 30 patents
Information
Patent Grant
Continuously variable transmission tap gear entry ratio selection d...
Patent number
11,293,546
Issue date
Apr 5, 2022
GM Global Technology Operations LLC
Zachary T. Schleich
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Ratio selection method for a continuously variable transmission dur...
Patent number
10,774,930
Issue date
Sep 15, 2020
GM Global Technology Operations LLC
Xuefeng T. Tao
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Pressure sensor rationality diagnostic for a dual clutch transmission
Patent number
10,316,963
Issue date
Jun 11, 2019
GM Global Technology Operations LLC
Xuefeng T Tao
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Method and apparatus to monitor a temperature sensor
Patent number
10,106,142
Issue date
Oct 23, 2018
GM Global Technology Operations LLC
Xuefeng T. Tao
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Transmission system with clutch bite point learning logic
Patent number
9,416,874
Issue date
Aug 16, 2016
GM Global Technology Operations LLC
David H. Vu
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
System and method for estimating road grade based on an output of a...
Patent number
9,340,212
Issue date
May 17, 2016
GM Global Technology Operations LLC
Xuefeng Tim Tao
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Method of controlling a transmission
Patent number
9,273,778
Issue date
Mar 1, 2016
GM Global Technology Operations LLC
Christopher Jay Weingartz
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Method of learning a clutch kiss point for a clutch of a dual clutc...
Patent number
9,127,729
Issue date
Sep 8, 2015
GM Global Technology Operations LLC
Xuefeng Tim Tao
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Method of identifying a synchronous position of a synchronizer actu...
Patent number
9,057,434
Issue date
Jun 16, 2015
GM Global Technology Operations LLC
Xuefeng Tim Tao
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
System and method for determining vehicle speed
Patent number
8,983,678
Issue date
Mar 17, 2015
GM Global Technology Operations LLC
Justin Louie
G01 - MEASURING TESTING
Information
Patent Grant
Dual-clutch transmission thermal management
Patent number
8,914,186
Issue date
Dec 16, 2014
GM Global Technology Operations LLC
Xuefeng Tim Tao
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Method of learning engaged positions and a neutral position of a sy...
Patent number
8,831,845
Issue date
Sep 9, 2014
GM Global Technology Operations LLC
Xuefeng Tim Tao
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Dual-clutch transmission thermal management
Patent number
8,827,868
Issue date
Sep 9, 2014
GM Global Technology Operations LLC
Xuefeng Tim Tao
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Vehicle simulation system with software-in-the-loop bypass control
Patent number
8,612,192
Issue date
Dec 17, 2013
GM Global Technology Operations LLC
Johan Larsson
G05 - CONTROLLING REGULATING
Information
Patent Grant
Gear preselect systems for a dual clutch transmission
Patent number
8,600,633
Issue date
Dec 3, 2013
GM Global Technology Operations LLC
Xuefeng Tim Tao
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Engine speed assist torque converter clutch control
Patent number
8,600,631
Issue date
Dec 3, 2013
GM Global Technology Operations LLC
Chunhao J. Lee
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Control system and method for shift fork position in dual clutch tr...
Patent number
8,560,192
Issue date
Oct 15, 2013
GM Global Technology Operations LLC
Christopher Jay Weingartz
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Control system and method for synchronization control in dual clutc...
Patent number
8,504,267
Issue date
Aug 6, 2013
GM Global Technology Operations LLC
Christopher Jay Weingartz
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Shift sequencing systems for a dual clutch transmission
Patent number
8,433,487
Issue date
Apr 30, 2013
GM Global Technology Operations LLC
Claes Magnus Ostberg
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
System and method for controlling unpowered to powered transitions...
Patent number
8,364,364
Issue date
Jan 29, 2013
GM Global Technology Operations LLC
Xuefeng Tim Tao
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Closed-loop feedback control and reduction of the torque converter...
Patent number
8,332,109
Issue date
Dec 11, 2012
GM Global Technology Operations LLC
Paul G. Otanez
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Accelerator pedal predictive shift point control
Patent number
8,315,768
Issue date
Nov 20, 2012
GM Global Technology Operations LLC
Xuefeng Tim Tao
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Control system and method for accelerator pedal based shift point s...
Patent number
8,133,154
Issue date
Mar 13, 2012
GM Global Technology Operations LLC
Xuefeng Tim Tao
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Method for automatic traction control in a hybrid electric vehicle
Patent number
7,222,014
Issue date
May 22, 2007
General Motors Corporation
Xuefeng T. Tao
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Engine retard operation scheduling and management in a hybrid vehicle
Patent number
7,163,487
Issue date
Jan 16, 2007
General Motors Corporation
Xuefeng T. Tao
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Coordinated regenerative and engine retard braking for a hybrid veh...
Patent number
7,131,708
Issue date
Nov 7, 2006
General Motors Corporation
Xuefeng T. Tao
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Hybrid transmission member speed determination, sensor diagnostics...
Patent number
7,110,869
Issue date
Sep 19, 2006
General Motors Corporation
Xuefeng T. Tao
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Multi-stage compression ignition engine start
Patent number
7,028,657
Issue date
Apr 18, 2006
General Motors Corporation
Jy-Jen F. Sah
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Diagnostic method for a torque control of an electrically variable...
Patent number
6,976,388
Issue date
Dec 20, 2005
General Motors Corporation
Anthony H. Heap
B60 - VEHICLES IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
CONTINUOUSLY VARIABLE TRANSMISSION VARIATOR CONTROL PERFORMANCE DIA...
Publication number
20180328481
Publication date
Nov 15, 2018
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Christopher J. Weingartz
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
PRESSURE SENSOR RATIONALITY DIAGNOSTIC FOR A DUAL CLUTCH TRANSMISSION
Publication number
20180306317
Publication date
Oct 25, 2018
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Xuefeng T Tao
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
METHOD AND APPARATUS TO MONITOR A TEMPERATURE SENSOR
Publication number
20170232949
Publication date
Aug 17, 2017
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Xuefeng T. Tao
B60 - VEHICLES IN GENERAL
Information
Patent Application
METHOD OF CONTROLLING A TRANSMISSION
Publication number
20160033034
Publication date
Feb 4, 2016
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Christopher Jay Weingartz
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
TRANSMISSION SYSTEM WITH CLUTCH BITE POINT LEARNING LOGIC
Publication number
20150369364
Publication date
Dec 24, 2015
GM GLOBAL TECHNOLOGY OPERATIONS LLC
David H. Vu
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
SYSTEM AND METHOD FOR ESTIMATING ROAD GRADE BASED ON AN OUTPUT OF A...
Publication number
20150274174
Publication date
Oct 1, 2015
GM GLOBAL TECHNOLOGY OPERATIONS LLC
XUEFENG TIM TAO
B60 - VEHICLES IN GENERAL
Information
Patent Application
METHOD OF LEARNING A CLUTCH KISS POINT FOR A CLUTCH OF A DUAL CLUTC...
Publication number
20150051803
Publication date
Feb 19, 2015
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Xuefeng Tim Tao
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
METHOD OF IDENTIFYING A SYNCHRONOUS POSITION OF A SYNCHRONIZER ACTU...
Publication number
20140358383
Publication date
Dec 4, 2014
Xuefeng Tim Tao
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
DUAL-CLUTCH TRANSMISSION THERMAL MANAGEMENT
Publication number
20130282243
Publication date
Oct 24, 2013
GM GLOBAL TECHNOLOGY OPERATIONS LLC
XUEFENG TIM TAO
B60 - VEHICLES IN GENERAL
Information
Patent Application
DUAL-CLUTCH TRANSMISSION THERMAL MANAGEMENT
Publication number
20130240315
Publication date
Sep 19, 2013
GM GLOBAL TECHNOLOGY OPERATIONS LLC
XUEFENG TIM TAO
B60 - VEHICLES IN GENERAL
Information
Patent Application
ENGINE SPEED ASSIST TORQUE CONVERTER CLUTCH CONTROL
Publication number
20120296536
Publication date
Nov 22, 2012
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Chunhao J. Lee
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
GEAR PRESELECT SYSTEMS FOR A DUAL CLUTCH TRANSMISSION
Publication number
20120029777
Publication date
Feb 2, 2012
GM Global Technology Operations, Inc.
Xuefeng Tim Tao
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
SYSTEM AND METHOD FOR DETERMINING VEHICLE SPEED
Publication number
20110313629
Publication date
Dec 22, 2011
GM Global Technology Operations, Inc.
Justin Louie
G01 - MEASURING TESTING
Information
Patent Application
VEHICLE SIMULATION SYSTEM WITH SOFTWARE-IN-THE-LOOP BYPASS CONTROL
Publication number
20110288841
Publication date
Nov 24, 2011
GM Global Technology Operations, Inc.
Johan Larsson
G05 - CONTROLLING REGULATING
Information
Patent Application
SHIFT SEQUENCING SYSTEMS FOR A DUAL CLUTCH TRANSMISSION
Publication number
20110263383
Publication date
Oct 27, 2011
GM Global Technology Operations, Inc.
Claes Magnus Ostberg
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
CONTROL SYSTEM AND METHOD FOR SHIFT FORK POSITION IN DUAL CLUTCH TR...
Publication number
20110257855
Publication date
Oct 20, 2011
GM Global Technology Operations, Inc.
Christopher Jay Weingartz
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
CONTROL SYSTEM AND METHOD FOR SYNCHRONIZATION CONTROL IN DUAL CLUTC...
Publication number
20110257857
Publication date
Oct 20, 2011
GM Global Technology Operations, Inc.
Christopher Jay Weingartz
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
CLOSED-LOOP FEEDBACK CONTROL AND REDUCTION OF THE TORQUE CONVERTER...
Publication number
20110166757
Publication date
Jul 7, 2011
GM Global Technology Operations, Inc.
Paul G. Otanez
B60 - VEHICLES IN GENERAL
Information
Patent Application
CONTROL SYSTEM AND METHOD FOR ACCELERATOR PEDAL BASED SHIFT POINT S...
Publication number
20090233765
Publication date
Sep 17, 2009
GM Global Technology Operations, Inc.
Xuefeng Tim Tao
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
ACCELERATOR PEDAL PREDICTIVE SHIFT POINT CONTROL
Publication number
20090210122
Publication date
Aug 20, 2009
GM Global Technology Operations, Inc.
Xuefeng Tim Tao
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Method for automatic traction control in a hybrid electric vehicle
Publication number
20050256629
Publication date
Nov 17, 2005
Xuefeng T. Tao
B60 - VEHICLES IN GENERAL
Information
Patent Application
Coordinated regenerative and engine retard braking for a hybrid veh...
Publication number
20050255965
Publication date
Nov 17, 2005
Xuefeng T. Tao
B60 - VEHICLES IN GENERAL
Information
Patent Application
Engine retard operation scheduling and management in a hybrid vehicle
Publication number
20050255966
Publication date
Nov 17, 2005
Xuefeng T. Tao
B60 - VEHICLES IN GENERAL
Information
Patent Application
DIAGNOSTIC METHOD FOR A TORQUE CONTROL OF AN ELECTRICALLY VARIABLE...
Publication number
20050252283
Publication date
Nov 17, 2005
Anthony H. Heap
B60 - VEHICLES IN GENERAL
Information
Patent Application
Multi-stage compression ignition engine start
Publication number
20050252474
Publication date
Nov 17, 2005
Jy-Jen F. Sah
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
Hybrid transmission member speed determination, sensor diagnostics...
Publication number
20050080527
Publication date
Apr 14, 2005
Xuefeng T. Tao
B60 - VEHICLES IN GENERAL