Inventor

DOU JIANWEN

CN3 patents

⚠️ This page may combine multiple inventors who share the name “DOU JIANWEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LANZHOU HAIMO TECHNOLOGIES INC

1 patent

US6532826B1Mar 18, 2003

Measuring device for the gas-liquid flow rate of multiphase fluids

LANZHOU HAIMO TECHNOLOGIES INC30 citations84

DOU JIANWEN

1 patent

US8087293B2Jan 3, 2012

Oil-gas-water multi-phase flow adjusting apparatus and oil-gas-water multi-phase flow rate measuring apparatus and measuring method

DOU JIANWEN11 citations75

HAIMO TECHNOLOGIES INC

1 patent

US8025713B2Sep 27, 2011

Adjustable gas-liquid centrifugal separator and separating method

HAIMO TECHNOLOGIES INC14 citations75