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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
11180980
Issue Dt:
11/23/2021
Application #:
16482842
Filing Dt:
08/01/2019
Publication #:
20200217187
Pub Dt:
07/09/2020
Inventors:
Yan Wang, Demin Wang, Rong Zhong, Quan Liu, Jintang Liu
Title:
DOWNHOLE OIL, GAS, WATER AND SAND SEPARATION METHOD AND SEPARATOR
Assignment: 1
Reel/Frame:
049956/0703Recorded: 08/05/2019Pages: 9
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
WANG, YAN
Exec Dt:
07/25/2019
WANG, DEMIN
Exec Dt:
07/25/2019
WONG, RONG
Exec Dt:
07/25/2019
LIU, QUAN
Exec Dt:
07/25/2019
LIU, JINTANG
Exec Dt:
07/25/2019
Assignees:
PETROCHINA COMPANY LIMITED
9 DONGZHIMEN NORTH STREET, DONGCHENG DISTRICT
BEIJING CITY, CHINA 102249
DAQING OILFIELD CO., LTD
NO. 99 LONGNANZHONGYUAN ROAD, RANGHULU DISTRICT
DAQING CITY, HEILONGJIANG PROVINCE, CHINA 163453
Correspondent:
DANIEL P. ALEKSYNAS
29 W. LAWRENCE STREET, STE. 210
PONTIAC, MI 48342
Assignment: 2
Reel/Frame:
052317/0329Recorded: 04/06/2020Pages: 11
Conveyance:
CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNOR NAME FROM RONG WOND TO RONG ZHONG PREVIOUSLY RECORDED AT REEL: 049956 FRAME: 0703. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
Assignors:
WANG, YAN
Exec Dt:
07/25/2019
WANG, DEMIN
Exec Dt:
07/25/2019
ZHONG, RONG
Exec Dt:
07/25/2019
LIU, QUAN
Exec Dt:
07/25/2019
LIU, JINTANG
Exec Dt:
07/25/2019
Assignees:
PETROCHINA COMPANY LIMITED
9 DONGZHIMEN NORTH STREET, DONGCHENG DISTRICT
BEIJING CITY, CHINA 102249
DAQING OILFIELD CO., LTD.
NO. 99 LONGANANZHONGYUAN ROAD, RANGHULU DISTRICT
DAQING CITY, HEILONGJIANG PROVINCE, CHINA 163453
Correspondent:
YOUNG BASILE HANLON & MACFARLANE, P.C.
3001 WEST BIG BEAVER RD.
SUITE 624
TROY, MI 48084
Assignment: 3
Reel/Frame:
053398/0744Recorded: 08/04/2020Pages: 12
Conveyance:
CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE ADDRESS FROM NO. 99 LONGANAZHONGYUAN ROAD TO NO. 99 LONGNANZHONGYUAN ROAD. PREVIOUSLY RECORDED AT REEL: 052317 FRAME: 0329. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
Assignors:
WANG, YAN
Exec Dt:
07/25/2019
WANG, DEMIN
Exec Dt:
07/25/2019
ZHONG, RONG
Exec Dt:
07/25/2019
LIU, QUAN
Exec Dt:
07/25/2019
LIU, JINTANG
Exec Dt:
07/25/2019
Assignees:
PETROCHINA COMPANY LIMITED
9 DONGZHIMEN NORTH STREET, DONGCHENG DISTRICT
BEIJING CITY, CHINA 102249
DAQING OILFIELD CO., LTD.
NO. 99 LONGNANZHONGYUAN ROAD, RANGHULU DISTRICT
DAQING CITY, HEILONGJIANG PROVINCE, CHINA 163453
Correspondent:
YOUNG BASILE HANLON & MACFARLANE, P.C.
3001 WEST BIG BEAVER RD.
SUITE 624
TROY, MI 48084

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