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Patent Assignment Assignor Details
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Assignor Name : ZHAO, XIANZHENG
Total Assignments: 5
Assignment: 1
Reel/Frame:048920/0577   Pages: 5
Recorded: 02/15/2019
Attorney Dkt #:RAP3-PT122
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHAO, XIANZHENG
Exec Dt:
01/08/2018
2
JIN, FENGMING
Exec Dt:
01/08/2018
3
ZHOU, LIHONG
Exec Dt:
01/08/2018
4
JIANG, WENYA
Exec Dt:
01/08/2018
5
PU, XIUGANG
Exec Dt:
01/08/2018
Assignee
1
DAGANG OIL FIELD COMPANY OF CNPC
XINGFU ROAD, DAGANG OILFIELD
BINHAI DISTRICT
TIANJIN, CHINA 300280
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10365387
US20190212460
16242331
Correspondence name and address
VOLPE AND KOENIG, P.C.
30 SOUTH 17TH STREET, 18TH FLOOR
PHILADELPHIA, PA 19103
Assignment: 2
Reel/Frame:047207/0521   Pages: 11
Recorded: 10/09/2018
Attorney Dkt #:RAP3-PT110 (OUS51950DGY)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHOU, LIHONG
Exec Dt:
10/09/2018
2
ZHAO, XIANZHENG
Exec Dt:
10/09/2018
3
PU, XIUGANG
Exec Dt:
10/09/2018
4
JIN, FENGMING
Exec Dt:
10/09/2018
5
JIANG, WENYA
Exec Dt:
10/09/2018
6
XIAO, DUNQING
Exec Dt:
10/09/2018
7
SHI, ZHANNAN
Exec Dt:
10/09/2018
8
HAN, WENZHONG
Exec Dt:
10/09/2018
Assignee
1
RESEARCH INSTITUTE OF PETROLEUM EXPLORATION & DEVELOPMENT, DAGANG OIL FIELD OF CNPC
XINGFU ROAD, DAGANG OILFIELD,
DANGANG DISTRICT
TIANJIN, CHINA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10190998
NONE
16116244
Correspondence name and address
VOLPE AND KOENIG, P.C.
30 SOUTH 17TH STREET, 18TH FLOOR
PHILADELPHIA, PA 19103
Assignment: 3
Reel/Frame:052386/0711   Pages: 5
Recorded: 04/14/2020
Attorney Dkt #:35742.04098
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHOU, LIHONG
Exec Dt:
01/17/2020
2
ZHAO, XIANZHENG
Exec Dt:
01/17/2020
3
PU, XIUGANG
Exec Dt:
01/17/2020
4
JIANG, WENYA
Exec Dt:
01/17/2020
5
JIN, FENGMING
Exec Dt:
01/17/2020
6
LIU, ZICANG
Exec Dt:
01/17/2020
7
GUAN, QUANSHENG
Exec Dt:
01/17/2020
Assignee
1
DAGANG OIL FIELD COMPANY OF CNPC
XINGFU ROAD, DAGANG OILFIELD
BINHAI DISTRICT
TIANJIN, CHINA 300280
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10689954
NONE
16791481
Correspondence name and address
YIZHOU LIU
CALFEE, HALTER & GRISWOLD LLP
1405 EAST SIXTH STREET
CLEVELAND, OH 44114-1607
Assignment: 4
Reel/Frame:054837/0982   Pages: 5
Recorded: 12/07/2020
Attorney Dkt #:35742.04113
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHAO, XIANZHENG
Exec Dt:
10/30/2020
2
PU, XIUGANG
Exec Dt:
10/30/2020
3
HAN, WENZHONG
Exec Dt:
10/30/2020
4
WANG, HU
Exec Dt:
10/30/2020
5
ZHANG, WEI
Exec Dt:
10/30/2020
6
SHI, ZHANNAN
Exec Dt:
10/30/2020
7
DONG, XIONGYING
Exec Dt:
10/30/2020
8
WU, JIAPENG
Exec Dt:
10/30/2020
Assignee
1
DAGANG OIL FIELD COMPANY OF CNPC
YARD 3
BINHAIXIN DISTRICT
TIANJIN, CHINA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11249062
US20210302403
17038574
Correspondence name and address
YIZHOU LIU
CALFEE, HALTER & GRISWOLD LLP
1405 EAST SIXTH STREET
CLEVELAND, OH 44114-1607
Assignment: 5
Reel/Frame:055178/0093   Pages: 6
Recorded: 02/08/2021
Attorney Dkt #:35742.04117
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHAO, XIANZHENG
Exec Dt:
02/03/2021
2
JIN, FENGMING
Exec Dt:
02/08/2021
3
PU, XIUGANG
Exec Dt:
01/30/2021
4
LUO, QUN
Exec Dt:
02/07/2021
5
ZHOU, LIHONG
Exec Dt:
01/30/2021
6
JIANG, WENYA
Exec Dt:
02/01/2021
7
DONG, XIONGYING
Exec Dt:
02/08/2021
8
HAN, WENZHONG
Exec Dt:
02/08/2021
9
SHI, ZHANNAN
Exec Dt:
02/08/2021
10
ZHANG, WEI
Exec Dt:
02/08/2021
11
WANG, HU
Exec Dt:
02/08/2021
Assignee
1
DAGANG OIL FIELD COMPANY OF CNPC
YARD 3, BINHAIXIN DISTRICT
TIANJIN, CHINA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11204441
NONE
17107380
Correspondence name and address
CALFEE, HALTER & GRISWOLD LLP
THE CALFEE BUILDING
1405 EAST SIXTH STREET
CLEVELAND, OH 44114-1607

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