SC

Shui-Ching Chen

Overall (All Time): #990,374 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
9568116 Electric valve actuator 2017-02-14
8382621 Electrical drive apparatus for valves 2013-02-26
7377479 Position restoring apparatus for an open and close device 2008-05-27
7192004 Electric driving device for a valve 2007-03-20
7182310 Position return device for an open and close apparatus 2007-02-27