Patent Assignment
Reel/Frame 060294/0886
Assignment of Assignor's Interest
Recorded: 2022-06-23
Pages: 7
Assignors
XIE, RUNXING
Executed: 2022-06-16
TANG, HONGPING
Executed: 2022-06-16
WANG, CHANGZHI
Executed: 2022-06-16
Assignee
BEIJING ZEHUA CHEMICAL ENGINEERING CO., LTD.
BUILDING NO. 8, YARD 7, DIJIN ROAD, HAIDIAN DISTRICT, BEIJING, 100095, CHINA
Covered Property
(1)
Multi-Bubbling Region Column Tray and Corresponding Plate Column
Patent:
11,547,952 →
Application:
17/847,924 →