Patents/Inventors

Changjiang Li

HangzhouCN7 patents

5 Patents

US125950172026
Electric Off-road Vehicle
Zhejiang CFMOTO Power Co., Ltd.
0 cites
US125600282026
Coal Mine Automatic Directional Drill
CCTEG Chongqing Research Institute Co., Ltd.
0 cites
US124488472025
Coal Mine Intelligent Directional Drill and Drilling Method Therefor
CCTEG Chongqing Research Institute Co., Ltd.
0 cites
US120443222024
Large-volume Liquid Fixed-ratio Multi-batch Mixing Valve
SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
0 cites
US116242382023
Deepwater Subsea Coiled Tubing Drilling Rig
CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
0 cites