Patent Assignment
Reel/Frame 070550/0688
Assignment of Assignor's Interest
Recorded: 2025-03-18
Pages: 3
Assignors
ZHANG, CHEN
Executed: 2025-03-14
WANG, YANQIU
Executed: 2025-03-14
ZHOU, FAN
Executed: 2025-03-14
Assignee
QINGDAO QINGFLEX HOSE FACTORY
NO.16, DAYING ROAD, DACHANG TOWN, HUANGDAO DISTRICT, SHANDONG, QINGDAO, 266414, CHINA
Covered Property
(1)
Steel Wire Pre-Embedded Integrated Full-Bore Acid Fracturing Hose Assembly and Preparation Method Thereof
Patent:
12,510,195 →
Application:
19/083,351 →