QM

Qi Ning Mai

Overall (All Time): #1,232,529 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8163099 Method and apparatus for reducing deposits in petroleum pipes 2012-04-24
8066817 Method and apparatus for reducing deposits in fluid conduits 2011-11-29
7892360 Methods for reducing deposits in petroleum pipes 2011-02-22
7730899 Method and apparatus for reducing deposits in petroleum pipes 2010-06-08