Chuck Chang

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Lomita, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Control valve for a device for variably adjusting the control times...
- Patent number 8,677,956
- Issue date Mar 25, 2014
- Schaeffler Technologies AG & Co. KG
- Chuck Chang
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Control valve for a device for variably adjusting the control times...
- Patent number 8,573,167
- Issue date Nov 5, 2013
- Schaeffler Technologies AG & Co. KG
- Xuewei Chen
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
CONTROL VALVE FOR A DEVICE FOR VARIABLY ADJUSTING THE CONTROL TIMES...
- Publication number 20120060787
- Publication date Mar 15, 2012
- Schaeffler Technologies GmbH & Co. KG
- Chuck Chang
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
CONTROL VALVE FOR A DEVICE FOR VARIABLY ADJUSTING THE CONTROL TIMES...
- Publication number 20120055427
- Publication date Mar 8, 2012
- SCHAEFFLER TECHNOLOGIES GMBH & CO. KG
- Xuewei Chen
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES