Patent Assignment
Reel/Frame 056414/0869
Assignment of Assignor's Interest
Recorded: 2021-06-02
Pages: 8
Assignors
LIU, KAISHEN
Executed: 2021-05-18
ZHAO, DAWEI
Executed: 2021-05-18
MAO, ZHUQING
Executed: 2021-05-18
Assignee
YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
NO. 27 JEREH ROAD, LAISHAN DISTRICT, YANTAI, SHANDONG, 264003, CHINA
Covered Property
(1)
Sand Conveying Apparatus and Control Method Thereof, Control Device, and Storage Medium