JD

Jianwen Dou

HG Haimo Technologies Group: 2 patents #2 of 9Top 25%
📍 Huangyang, CN: #29 of 124 inventorsTop 25%
Overall (All Time): #1,548,281 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8087293 Oil-gas-water multi-phase flow adjusting apparatus and oil-gas-water multi-phase flow rate measuring apparatus and measuring method Jinsong Wan, Ligang Zhang 2012-01-03
8025713 Adjustable gas-liquid centrifugal separator and separating method Jinsong Wan, Ligang Zhang 2011-09-27
6532826 Measuring device for the gas-liquid flow rate of multiphase fluids 2003-03-18