Assignee
LIN CHIH
US4 patents
Top patents by PatentIndex Score
US8167578B2May 1, 2012
Switch and float assembly for a pump
LIN CHIH9 citations83
US8267640B1Sep 18, 2012
Turbine pump with floating raceway
LIN CHIH2 citations61
US9316055B2Apr 19, 2016
Drill bit with a dynamic metal seal
LIN CHIH1 citations48
US9909365B2Mar 6, 2018
Downhole tools having mechanical joints with enhanced surfaces
LIN CHIH0 citations40