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Patent Assignment Assignor Details
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Assignor Name : XUE, YONGZENG
Total Assignments: 3
Assignment: 1
Reel/Frame:050563/0318   Pages: 9
Recorded: 09/27/2019
Attorney Dkt #:US1900936
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHOU, MINGGAO
Exec Dt:
05/14/2019
2
FENG, YONGREN
Exec Dt:
05/14/2019
3
WU, XINGFANG
Exec Dt:
05/13/2019
4
ZHOU, YANMIN
Exec Dt:
05/14/2019
5
XUE, YONGZENG
Exec Dt:
05/14/2019
Assignee
1
CHINA OILFIELD SERVICES, LIMITED
NO. 1581 HAICHUAN ROAD, TANGGU MARINE SCIENCE AND TECHNOLOGY PARK,
BINHAI HIGH-TECH ZONE
TIANJIN, CHINA 300459
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11072981
US20200355034
16576799
Correspondence name and address
LING WU
P.O. BOX 1747
ROCKVILLE, MD 20849
Assignment: 2
Reel/Frame:058248/0413   Pages: 6
Recorded: 11/30/2021
Attorney Dkt #:007556.00231
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LU, TAO
Exec Dt:
06/10/2021
2
FENG, YONGREN
Exec Dt:
06/10/2021
3
XU, CHANGGUI
Exec Dt:
06/10/2021
4
TIAN, ZHIBIN
Exec Dt:
06/10/2021
5
QIN, XIAOFEI
Exec Dt:
06/10/2021
6
ZHOU, MINGGAO
Exec Dt:
06/10/2021
7
CHU, XIAODONG
Exec Dt:
06/10/2021
8
LIU, TIEMIN
Exec Dt:
06/10/2021
9
XUE, YONGZENG
Exec Dt:
06/10/2021
10
WEI, ZANQING
Exec Dt:
06/10/2021
11
HUANG, LIN
Exec Dt:
06/10/2021
Assignees
1
CHINA OILFIELD SERVICES LIMITED
NO. 1581 HAICHUAN RD.
TANGGU MARINE SCIENCE AND TECHNOLOGY PARK
TIANJIN, CHINA 300459
2
CHINA NATIONAL OFFSHORE OIL CORPORATION
NO. 25, CHAOYANGMENBEI DAJIE
BEIJING, CHINA 100010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11905829
US20220316290
17420108
Correspondence name and address
BANNER & WITCOFF, LTD.
71 SOUTH WACKER DRIVE
SUITE 3600
CHICAGO, IL 60606
Assignment: 3
Reel/Frame:063914/0352   Pages: 6
Recorded: 06/09/2023
Attorney Dkt #:AFD0485PUSA
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FENG, YONGREN
Exec Dt:
03/24/2023
2
LU, TAO
Exec Dt:
03/24/2023
3
HUANG, LIN
Exec Dt:
03/24/2023
4
GUO, SHUSHENG
Exec Dt:
03/24/2023
5
CHU, XIAODONG
Exec Dt:
03/24/2023
6
XU, KUN
Exec Dt:
03/24/2023
7
LIU, TIEMIN
Exec Dt:
03/24/2023
8
CHEN, YONGCHAO
Exec Dt:
03/24/2023
9
XUE, YONGZENG
Exec Dt:
03/24/2023
10
WENG, XINHUO
Exec Dt:
03/24/2023
11
ZHANG, GUOQIANG
Exec Dt:
03/24/2023
12
SHANG, SUOGUI
Exec Dt:
03/24/2023
13
SHEN, YANG
Exec Dt:
03/24/2023
14
JIN, YA
Exec Dt:
03/24/2023
Assignee
1
CHINA OILFIELD SERVICES LIMITED
NO. 1581 HAICHUAN ROAD, TANGGU MARINE SCIENCE AND TECHNOLOGY PARK, TIANJIN BINHAI HIGH-TECH ZONE
TIANJIN, CHINA 300459
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240026747
18266518
Correspondence name and address
BROOKS KUSHMAN P.C.
1000 TOWN CENTER, TWENTY-SECOND FLOOR
SOUTHFIELD, MI 48075

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