Wu-Min Chang

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Taichung City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Control valve
- Patent number 5,303,738
- Issue date Apr 19, 1994
- Chang; Wu-Ming
- Wu-Ming Chang
- G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

Information Patent Application
Solenoid valve with magnetic fluid filled between a magnetically co...
- Publication number 20020195580
- Publication date Dec 26, 2002
- HYDROTEK CORPORATION
- Wu-Min Chang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...