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Patent Assignment Abstract of Title
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Total Assignments: 1
Patent #:
Issue Dt:
10/17/2023
Application #:
17440143
Filing Dt:
09/16/2021
Publication #:
Pub Dt:
05/19/2022
Inventors:
Zhibin Tian, Zanqing Wei, Lin Huang, Bin Gao, Xiaoqiang Du, Yongren Feng, Peng Sun et al
Title:
DOWNHOLE OIL LEVEL DETECTION DEVICE
Assignment: 1
Reel/Frame:
059690/0589Recorded: 04/25/2022Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
08/13/2021
Exec Dt:
08/13/2021
Exec Dt:
08/19/2021
Exec Dt:
08/13/2021
Exec Dt:
08/13/2021
Exec Dt:
08/13/2021
Exec Dt:
08/13/2021
Exec Dt:
08/13/2021
Exec Dt:
08/13/2021
Exec Dt:
08/13/2021
Assignee:
NO. 1581 HAICHUAN RD.
TANGGU MARINE SCIENCE AND TECHNOLOGY PARK
TIANJIN, CHINA 300459
Correspondent:
BANNER & WITCOFF, LTD.
71 SOUTH WACKER DRIVE
SUITE 3600
CHICAGO, IL 60606

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