Cherng-Chi Chang

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Troy, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Laser hardened pattern array in cylinder bores
- Patent number 12,241,431
- Issue date Mar 4, 2025
- GM Global Technology Operations LLC
- Yi Liu
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method to incorporated skin and core material properties in perform...
- Patent number 10,344,358
- Issue date Jul 9, 2019
- GM Global Technology Operations LLC
- Qigui Wang
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Cylinder liner for internal combustion engine
- Patent number 10,253,721
- Issue date Apr 9, 2019
- GM Global Technology Operations LLC
- Qigui Wang
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for simulating transient heat transfer and temperature distr...
- Patent number 8,447,574
- Issue date May 21, 2013
- GM Global Technology Operations LLC
- Qigui Wang
- C21 - METALLURGY OF IRON
Information Patent Grant
Methods of predicting residual stresses and distortion in quenched...
- Patent number 8,214,182
- Issue date Jul 3, 2012
- GM Global Technology Operations LLC
- Qigui Wang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Methods and systems for predicting very high cycle fatigue properti...
- Patent number 8,155,940
- Issue date Apr 10, 2012
- GM Global Technology Operations LLC
- Qigui Wang
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
CYLINDER LINER FOR INTERNAL COMBUSTION ENGINE
- Publication number 20180298842
- Publication date Oct 18, 2018
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Qigui Wang
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
METHOD TO INCORPORATE SKIN AND CORE MATERIAL PROPERTIES IN PERFORMA...
- Publication number 20160138912
- Publication date May 19, 2016
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Qigui Wang
- G01 - MEASURING TESTING
Information Patent Application
METHOD FOR SIMULATING TRANSIENT HEAT TRANSFER AND TEMPERATURE DISTR...
- Publication number 20120041726
- Publication date Feb 16, 2012
- GM Global Technology Operations, Inc.
- Qigui Wang
- C21 - METALLURGY OF IRON
Information Patent Application
Methods of predicting residual stresses and distortion in quenched...
- Publication number 20100292966
- Publication date Nov 18, 2010
- GM GLOBAL TECHNOLOGY OEPRATIONS, INC.
- Qigui Wang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHODS AND SYSTEMS FOR PREDICTING VERY HIGH CYCLE FATIGUE PROPERTI...
- Publication number 20100030537
- Publication date Feb 4, 2010
- GM Global Technology Operations, Inc.
- Qigui Wang
- G06 - COMPUTING CALCULATING COUNTING