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Patent Assignment Assignor Details
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Assignor Name : WU, XINGFANG
Total Assignments: 6
Assignment: 1
Reel/Frame:043677/0993   Pages: 5
Recorded: 09/25/2017
Attorney Dkt #:007556.00188
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FENG, YONGREN
Exec Dt:
08/10/2017
2
LIU, TIEMIN
Exec Dt:
08/10/2017
3
TIAN, ZHIBIN
Exec Dt:
08/10/2017
4
LIU, LIPING
Exec Dt:
08/10/2017
5
CHU, XIAODONG
Exec Dt:
08/10/2017
6
WEI, ZANQING
Exec Dt:
08/10/2017
7
WU, XINGFANG
Exec Dt:
08/10/2017
8
HAO, GUIQING
Exec Dt:
08/10/2017
Assignees
1
CHINA NATIONAL OFFSHORE OIL CORPORATION
NO. 25, CHAOYANGMEN NORTH STREET
DONGCHENG DISTRICT
BEIJING, CHINA 100010
2
CHINA OILFIELD SERVICES LIMITED
NO. 18, OFFSHORE OIL AVENUE
YANJIAO DEVELOPMENTS ZONE
HEBEI, CHINA 065201
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10236667
US20180323589
15561101
Correspondence name and address
BANNER & WITCOFF, LTD.
1100 13TH ST. NW
STE 1200
WASHINGTON, DC 20005
Assignment: 2
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: 3
Reel/Frame:051429/0913   Pages: 12
Recorded: 01/07/2020
Attorney Dkt #:US1900937
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FENG, YONGREN
Exec Dt:
06/05/2019
2
BAO, ZHONGLI
Exec Dt:
06/05/2019
3
YU, QIANG
Exec Dt:
06/05/2019
4
QIN, XIAOFEI
Exec Dt:
06/05/2019
5
HUANG, LIN
Exec Dt:
06/03/2019
6
WU, XINGFANG
Exec Dt:
05/28/2019
7
YANG, YUQING
Exec Dt:
06/03/2019
8
ZOU, JIBIN
Exec Dt:
06/05/2019
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 #
 
 
 
 
 
 
 
 
 
 
 
11624244
US20210277723
16627334
Correspondence name and address
LING WU
11618 SORREL RUN NW
GIG HARBOR, WA 98332
Assignment: 4
Reel/Frame:052595/0421   Pages: 14
Recorded: 05/07/2020
Attorney Dkt #:US2000946
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FENG, YONGREN
Exec Dt:
04/10/2020
2
ZOU, JIBIN
Exec Dt:
04/10/2020
3
LIU, TIEMIN
Exec Dt:
04/10/2020
4
WU, XINGFANG
Exec Dt:
04/10/2020
5
CHU, XIAODONG
Exec Dt:
04/10/2020
6
TIAN, ZHIBIN
Exec Dt:
04/10/2020
7
ZHANG, GUOQIANG
Exec Dt:
04/10/2020
8
HAO, ZHONGTIAN
Exec Dt:
04/10/2020
9
LI, GUANGSHUAI
Exec Dt:
04/10/2020
10
WU, YIMING
Exec Dt:
04/10/2020
Assignees
1
CHINA NATIONAL OFFSHORE OIL CORPORATION
NO.25, CHAOYANGMENBEI DAJIE, DONGCHENG DISTRICT
BEIJING, CHINA 100010
2
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 #
 
 
 
 
 
 
 
 
 
 
 
11028658
US20200291735
16760034
Correspondence name and address
LING WU
11618 SORREL RUN NW
GIG HARBOR, WA 98332
Assignment: 5
Reel/Frame:055333/0692   Pages: 6
Recorded: 02/18/2021
Attorney Dkt #:007556.00228
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TIAN, ZHIBIN
Exec Dt:
02/07/2021
2
HUANG, LIN
Exec Dt:
02/07/2021
3
WEI, ZANQING
Exec Dt:
02/07/2021
4
GUO, SHUSHENG
Exec Dt:
02/07/2021
5
FENG, YONGREN
Exec Dt:
02/07/2021
6
WU, XINGFANG
Exec Dt:
02/07/2021
7
LIU, TIEMIN
Exec Dt:
02/07/2021
8
JIANG, YONG
Exec Dt:
02/07/2021
9
GAO, BIN
Exec Dt:
02/07/2021
10
SUN, PENG
Exec Dt:
02/07/2021
11
ZONG, SHIWEI
Exec Dt:
02/07/2021
12
ZHANG, JIANYONG
Exec Dt:
02/07/2021
13
ZHANG, AIJUN
Exec Dt:
02/07/2021
Assignees
1
CHINA NATIONAL OFFSHORE OIL CORPORATION
NO. 25, CHAOYANGMENBEI DAJIE
DONGCHENG DISTRICT
BEIJING, CHINA 100010
2
CHINA OILFIELD SERVICES LIMITED
NO. 1581 HAICHUAN ROAD, TANGGU MARINE SCIENCE AND TECHNOLOGY PARK
TIANJIN, CHINA 300459
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11739603
US20210285849
17178479
Correspondence name and address
BANNER & WITCOFF, LTD.
1100 13TH ST. NW
STE 1200
WASHINGTON, DC 20005
Assignment: 6
Reel/Frame:057279/0733   Pages: 5
Recorded: 08/25/2021
Attorney Dkt #:AFD0461PUSA
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZUO, YOUXIANG
Exec Dt:
08/10/2021
2
FENG, YONGREN
Exec Dt:
08/10/2021
3
LU, TAO
Exec Dt:
08/10/2021
4
KONG, SUN
Exec Dt:
08/10/2021
5
SHEN, YANG
Exec Dt:
08/10/2021
6
QIN, XIAOFEI
Exec Dt:
08/10/2021
7
CHU, XIAODONG
Exec Dt:
08/10/2021
8
CHEN, YONGCHAO
Exec Dt:
08/11/2021
9
WU, XINGFANG
Exec Dt:
08/13/2021
10
HUANG, LIN
Exec Dt:
08/13/2021
Assignees
1
CHINA OILFIELD SERVICES LIMITED
NO. 1581 HAICHUAN ROAD, TANGGU MARINE SCIENCE AND TECHNOLOGY PARK, TIANJIN BINHAI HIGH-TECH ZONE
TIANJIN, CHINA 300459
2
CHINA NATIONAL OFFSHORE OIL CORPORATION
NO. 25, CHAOYANGMENBEI DAJIE, DONGCHENG DISTRICT
BEIJING, CHINA 100010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220155275
17433519
Correspondence name and address
BROOKS KUSHMAN P.C.
1000 TOWN CENTER, TWENTY-SECOND FLOOR
SOUTHFIELD, MI 48075

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Web interface last modified: August 25, 2017 v.2.6
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