Inventor
MIN ZHENHUA
CN4 patents
Patents
4 patentsUS10711587B2Jul 14, 2020
Oxidizing agent injection equipment for underground coal gasification process and application thereof
ZHONGWEI SHANGHAI ENERGY TECH CO LTD2 citations65
US11066916B2Jul 20, 2021
Nozzle and injection device for use in underground coal gasification process and method for operating injection device
ZHONGWEI SHANGHAI ENERGY TECH CO LTD0 citations44
US11021943B2Jun 1, 2021
Ignition device for underground coal gasification process, and applications thereof
ZHONGWEI SHANGHAI ENERGY TECH CO LTD0 citations44
US10975678B2Apr 13, 2021
Production well apparatus for underground coal gasification and use thereof
ZHONGWEI SHANGHAI ENERGY TECH CO LTD0 citations44