Patents/Inventors

Weizhong Wei

QingdaoCN1 patent

2 Patents

US116290842023
Method for Treating an Oily Solid Waste Sludge
CHINA UNIVERSITY OF PETROLEUM BLUE SKY(QINGDAO) PETROLEUM TECHNOLOGY CO., Ltd
0 cites
US115589852023
Frequency Converter
CHINA UNIVERSITY OF PETROLEUM BLUE SKY (QINGDAO) PETROLEUM TECHNOLOGY CO., Ltd.
0 cites