Assignee
CHEN SHUI-CHING
4 granted patents·28 citations·filing 2005–2015
Top patents by PatentIndex Score
4 records- 0177US7377479B1Position restoring apparatus for an open and close deviceCHEN SHUI-CHING·Filed 2006·Granted May 27, 2008·12 cites·20 claims
- 0274US9568116B2Electric valve actuatorCHEN SHUI-CHING·Filed 2015·Granted Feb 14, 2017·3 cites·19 claims
- 0369US7182310B2Position return device for an open and close apparatusCHEN SHUI-CHING·Filed 2005·Granted Feb 27, 2007·7 cites·5 claims
- 0467US7192004B2Electric driving device for a valveCHEN SHUI-CHING·Filed 2005·Granted Mar 20, 2007·6 cites·3 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →