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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
11255745
Issue Dt:
02/22/2022
Application #:
16982439
Filing Dt:
09/18/2020
Publication #:
20210199535
Pub Dt:
07/01/2021
Inventors:
Jun LIU, Xiaoqiang GUO, Qingyou LIU, Yufa HE, Anchao WEI, Linlin ZENG, Jianxun WANG
Title:
TEST DEVICE FOR SIMULATING LONGITUDINAL-LATERAL-TORSIONAL COUPLED NONLINEAR VIBRATION OF DRILL STRING OF DEEPWATER RISERLESS DRILLING AND METHOD THEREFOR
Assignment: 1
Reel/Frame:
054272/0793Recorded: 11/04/2020Pages: 6
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
LIU, JUN
Exec Dt:
10/20/2020
GUO, XIAOQIANG
Exec Dt:
10/20/2020
LIU, QINGYOU
Exec Dt:
10/20/2020
HE, YUFA
Exec Dt:
10/20/2020
WEI, ANCHAO
Exec Dt:
10/20/2020
ZENG, LINLIN
Exec Dt:
10/20/2020
WANG, JIANXUN
Exec Dt:
10/20/2020
Assignees:
SOUTHWEST PETROLEUM UNIVIVERSITY
NO. 8 XINDU AVENUE, XINDU DISTRICT
CHENGDU CITY, SICHUAN PROVINCE, CHINA
CHENGDU UNIVERSITY OF TECHNOLOGY
NO.1 DONGSAN ROAD, ERXIANQIAO, CHENGHUA DISTRICT
CHENGDU CITY, SICHUAN PROVINCE, CHINA
Correspondent:
MUNCY, GEISSLER, OLDS & LOWE, P.C.
4000 LEGATO ROAD
SUITE 310
FAIRFAX, VA 22033
Assignment: 2
Reel/Frame:
057924/0249Recorded: 10/27/2021Pages: 7
Conveyance:
CORRECTIVE ASSIGNMENT TO CORRECT THE FIRST ASSIGNEE'S NAME IS"SOUTHWEST PETROLEUM UNIVERSITY". PREVIOUSLY RECORDED AT REEL: 054272 FRAME: 0793. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
Assignors:
LIU, JUN
Exec Dt:
10/20/2020
GUO, XIAOQIANG
Exec Dt:
10/20/2020
LIU, QINGYOU
Exec Dt:
10/20/2020
HE, YUFA
Exec Dt:
10/20/2020
WEI, ANCHAO
Exec Dt:
10/20/2020
ZENG, LINLIN
Exec Dt:
10/20/2020
WANG, JIANXUN
Exec Dt:
10/20/2020
Assignees:
SOUTHWEST PETROLEUM UNIVERSITY
NO. 8 XINDU AVENUE, XINDU DISTRICT
CHENGDU CITY, SICHUAN PROVINCE, CHINA
CHENGDU UNIVERSITY OF TECHNOLOGY
NO.1 DONGSAN ROAD, ERXIANQIAO, CHENGHUA DISTRICT
CHENGDU CITY, SICHUAN PROVINCE, CHINA
Correspondent:
MUNCY, GEISSLER, OLDS & LOWE, PC
4000 LEGATO RD., SUITE 310
FAIRFAX, VA 22033

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