Patents/Inventors

Yongli Chen

HenanCN3 patents

4 Patents

US123718692025
Grouting Pipe with Vibration Function
SAFEKEY Engineering Technology (Zhengzhou), Ltd.
0 cites
US121523602024
Vibratory Grouting Drilling Rig with Auxiliary Moving Mechanism
SAFEKEY Engineering Technology (Zhengzhou), Ltd.
0 cites
USD10323032024
Lemon Squeezer
0 cites
US119265492024
Treatment Process and Treatment System of Enhanced Up-flow Multiphase Wastewater Oxidation
Guangxi Bossco Environmental Protection Agency
0 cites