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Houchun Xia
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Troy, MI, US
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Patents Grants
last 30 patents
Information
Patent Grant
Battery state estimation using injected current oscillation
Patent number
11,424,635
Issue date
Aug 23, 2022
GM Global Technology Operations LLC
Meixian Wang
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Forecast of driveline lash condition for multivariable active drive...
Patent number
9,290,089
Issue date
Mar 22, 2016
GM Global Technology Operations LLC
Houchun Xia
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Hybrid powertrain input torque management
Patent number
9,139,194
Issue date
Sep 22, 2015
GM Global Technology Operations LLC
Allen J Lehmen
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Method and apparatus for operating a multi-mode transmission system...
Patent number
8,989,976
Issue date
Mar 24, 2015
GM Global Technology Operations LLC
Houchun Xia
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Lightweight brake rotor and components with composite materials
Patent number
8,962,148
Issue date
Feb 24, 2015
GM Global Technology Operations LLC
Houchun Xia
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Frequency splitting and independent limitation of vehicle torque co...
Patent number
8,560,154
Issue date
Oct 15, 2013
GM Global Technology Operations LLC
R. Anthony Hansen
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Unstable signal detection for electro-mechanical vehicle component
Patent number
8,412,398
Issue date
Apr 2, 2013
GM Global Technology Operations LLC
Houchun Xia
B60 - VEHICLES IN GENERAL
Information
Patent Grant
System and method for monitoring the stability of a hybrid powertrain
Patent number
8,326,482
Issue date
Dec 4, 2012
GM Global Technology Operations LLC
Houchun Xia
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Lightweight brake rotor and components with composite materials
Patent number
8,210,232
Issue date
Jul 3, 2012
GM Global Technology Operations LLC
Houchun Xia
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Information
Patent Application
BATTERY STATE ESTIMATION USING INJECTED CURRENT OSCILLATION
Publication number
20210336462
Publication date
Oct 28, 2021
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Meixian Wang
B60 - VEHICLES IN GENERAL
Information
Patent Application
CLOSED-LOOP MANAGEMENT OF VEHICLE DRIVELINE LASH
Publication number
20160102757
Publication date
Apr 14, 2016
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Shaochun Ye
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
HYBRID POWERTRAIN INPUT TORQUE MANAGEMENT
Publication number
20140195080
Publication date
Jul 10, 2014
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Allen J. Lehmen
B60 - VEHICLES IN GENERAL
Information
Patent Application
METHOD AND APPARATUS FOR OPERATING A MULTI-MODE TRANSMISSION SYSTEM...
Publication number
20130332037
Publication date
Dec 12, 2013
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Houchun Xia
B60 - VEHICLES IN GENERAL
Information
Patent Application
LIGHTWEIGHT BRAKE ROTOR AND COMPONENTS WITH COMPOSITE MATERIALS
Publication number
20120312647
Publication date
Dec 13, 2012
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Houchun Xia
B22 - CASTING POWDER METALLURGY
Information
Patent Application
FORECAST OF DRIVELINE LASH CONDITION FOR MULTIVARIABLE ACTIVE DRIVE...
Publication number
20120277963
Publication date
Nov 1, 2012
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Houchun Xia
B60 - VEHICLES IN GENERAL
Information
Patent Application
UNSTABLE SIGNAL DETECTION FOR ELECTRO-MECHANICAL VEHICLE COMPONENT
Publication number
20120245771
Publication date
Sep 27, 2012
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Houchun Xia
B60 - VEHICLES IN GENERAL
Information
Patent Application
FREQUENCY SPLITTING AND INDEPENDENT LIMITATION OF VEHICLE TORQUE CO...
Publication number
20120065821
Publication date
Mar 15, 2012
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Steven M. Hessell
B60 - VEHICLES IN GENERAL
Information
Patent Application
SYSTEM AND METHOD FOR MONITORING THE STABILITY OF A HYBRID POWERTRAIN
Publication number
20110029208
Publication date
Feb 3, 2011
GM Global Technology Operations, Inc.
Houchun Xia
B60 - VEHICLES IN GENERAL
Information
Patent Application
LIGHTWEIGHT BRAKE ROTOR AND COMPONENTS WITH COMPOSITE MATERIALS
Publication number
20090078515
Publication date
Mar 26, 2009
GM Global Technology Operations, Inc.
Houchun Xia
B22 - CASTING POWDER METALLURGY