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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
NONE
Issue Dt:
07/02/2024
Application #:
17630653
Filing Dt:
01/27/2022
Publication #:
20220260094
Pub Dt:
08/18/2022
Inventors:
Zhibin TIAN, Yongren FENG, Tao LU, Lin HUANG, Tiemin LIU, Zanqing WEI, Yong JIANG et al
Title:
HYDRAULIC POWER SYSTEM FOR DOWNHOLE DEVICE AND DOWNHOLE DEVICE
Assignment: 1
Reel/Frame:
058796/0130Recorded: 01/27/2022Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
TIAN, ZHIBIN
Exec Dt:
01/21/2022
FENG, YONGREN
Exec Dt:
01/21/2022
LU, TAO
Exec Dt:
01/21/2022
HUANG, LIN
Exec Dt:
01/21/2022
LIU, TIEMIN
Exec Dt:
01/21/2022
WEI, ZANQING
Exec Dt:
01/21/2022
JIANG, YONG
Exec Dt:
01/21/2022
DU, XIAOGIANG
Exec Dt:
01/21/2022
LIU, LIPING
Exec Dt:
01/21/2022
CHU, XIAODONG
Exec Dt:
01/21/2022
Assignees:
CHINA OILFIELD SERVICES LIMITED
NO. 1581 HAICHUAN ROAD, TANGGU MARINE SCIENCE AND TECHNOLOGY PARK, TIANJIN BINHAI HIGH-TECH ZONE
TIANJIN, CHINA 300459
CHINA NATIONAL OFFSHORE OIL CORPORATION
NO. 25, CHAOYANGMENBEI DAJIE, DONGCHENG DISTRICT
BEIJING, CHINA 100010
Correspondent:
BROOKS KUSHMAN P.C.
1000 TOWN CENTER, TWENTY-SECOND FLOOR
SOUTHFIELD, MI 48075
Assignment: 2
Reel/Frame:
059474/0278Recorded: 03/22/2022Pages: 7
Conveyance:
CORRECTIVE ASSIGNMENT TO CORRECT THE SPELLING OF THE 8TH INVENTOR'S FIRST NAME PREVIOUSLY RECORDED AT REEL: 058796 FRAME: 0130. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
Assignors:
TIAN, ZHIBIN
Exec Dt:
01/21/2022
FENG, YONGREN
Exec Dt:
01/21/2022
LU, TAO
Exec Dt:
01/21/2022
HUANG, LIN
Exec Dt:
01/21/2022
LIU, TIEMIN
Exec Dt:
01/21/2022
WEI, ZANQING
Exec Dt:
01/21/2022
JIANG, YONG
Exec Dt:
01/21/2022
DU, XIAOQIANG
Exec Dt:
01/21/2022
LIU, LIPING
Exec Dt:
01/21/2022
CHU, XIAODONG
Exec Dt:
01/21/2022
Assignees:
CHINA OILFIELD SERVICES LIMITED
NO. 1581 HAICHUAN ROAD, TANGGU MARINE SCIENCE AND TECHNOLOGY PARK
TIANJIN BINHAI HIGH-TECH ZONE
TIANJIN, CHINA 300459
CHINA NATIONAL OFFSHORE OIL CORPORATION
NO. 25, CHAOYANGMENBEI DAJIE, DONGCHENG DISTRICT
BEIJING, CHINA 100010
Correspondent:
BROOKS KUSHMAN P.C.
1000 TOWN CENTER
22ND FLOOR
SOUTHFIELD, MI 48033

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