Assignee
QIN SHENGYI
CN4 patents
Top patents by PatentIndex Score
US9434874B2Sep 6, 2016
Hydrophobic proppant and preparation method thereof
QIN SHENGYI8 citations73
US9290900B2Mar 22, 2016
Oil-water separating device and floating oil collecting system comprising same
QIN SHENGYI3 citations68
US8652250B2Feb 18, 2014
Composition used for high-strength and impermeable concrete
QIN SHENGYI1 citations42
US8925276B2Jan 6, 2015
Wall block, corner, and wall body
QIN SHENGYI0 citations37