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Patent Assignment Assignor Details
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Assignor Name : HAO, GUIQING
Total Assignments: 5
Assignment: 1
Reel/Frame:036444/0287   Pages: 9
Recorded: 08/28/2015
Attorney Dkt #:US1500574
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FENG, YONGREN
Exec Dt:
07/28/2015
2
ZHOU, MINGGAO
Exec Dt:
07/28/2015
3
HAO, GUIQING
Exec Dt:
07/28/2015
4
YU, ZHIJIE
Exec Dt:
07/28/2015
5
HAO, ZHONGTIAN
Exec Dt:
07/28/2015
Assignees
1
CHINA NATIONAL OFFSHORE OIL CORPORATION
NO. 25, CHAO YANGMEN NORTH STREET
BEIJING, CHINA 100010
2
CHINA OILFIELD SERVICES LIMITED
NO. 18, OFFSHORE OIL AVENUE, YANJIAO DEVELOPMENTS ZONE
SANHE, HEBEI, CHINA 065201
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10208736
US20160097377
14770827
Correspondence name and address
LING WU
P.O. BOX 1747
ROCKVILLE, MD 20849
Assignment: 2
Reel/Frame:036941/0425   Pages: 11
Recorded: 11/02/2015
Attorney Dkt #:US1500586
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FENG, YONGREN
Exec Dt:
09/25/2015
2
BAO, ZHONGLI
Exec Dt:
09/25/2015
3
YU, QIANG
Exec Dt:
09/25/2015
4
HAO, GUIQING
Exec Dt:
09/25/2015
5
SONG, WANGUANG
Exec Dt:
09/25/2015
6
LI, ZICHAO
Exec Dt:
09/25/2015
7
ZHOU, YANMIN
Exec Dt:
09/25/2015
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,
SANHE, LANGFANG, CHINA 065201
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10180064
US20160362977
14888454
Correspondence name and address
LING WU
P.O. BOX 1747
ROCKVILLE, MD 20849
Assignment: 3
Reel/Frame:037287/0975   Pages: 14
Recorded: 12/14/2015
Attorney Dkt #:US1500597
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FENG, YONGREN
Exec Dt:
11/04/2015
2
TIAN, ZHIBIN
Exec Dt:
11/04/2015
3
LU, TAO
Exec Dt:
11/04/2015
4
LIU, LIPING
Exec Dt:
11/04/2015
5
HAO, GUIQING
Exec Dt:
11/04/2015
6
ZHANG, WENQUAN
Exec Dt:
11/04/2015
7
CHU, XIAODONG
Exec Dt:
11/04/2015
8
WEI, ZANQING
Exec Dt:
11/04/2015
9
LIU, TIEMIN
Exec Dt:
11/04/2015
10
HAN, FEN
Exec Dt:
11/04/2015
Assignees
1
CHINA NATIONAL OFFSHORE OIL CORP
NO. 25, CHAOYANGMEN NORTH STREET
DONGCHENG DISTRICT
BEIJING, CHINA 100010
2
CHINA OILFIELD SERVICES LIMITED
NO. 18, OFFSHORE OIL AVENUE, YANJIAO DEVELOPMENTS ZONE
SANHE
LANGFANG, HEBEI, CHINA 065201
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10018038
US20170107813
14898144
Correspondence name and address
LING WU
P.O. BOX 1747
ROCKVILLE, MD 20849
Assignment: 4
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: 5
Reel/Frame:056355/0248   Pages: 5
Recorded: 05/26/2021
Attorney Dkt #:431-131US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WEI, PENGFEI
Exec Dt:
12/21/2020
2
ZHU, HOUQIANG
Exec Dt:
12/21/2020
3
SONG, JIA
Exec Dt:
12/21/2020
4
WANG, JINGYUAN
Exec Dt:
12/21/2020
5
HAO, GUIQING
Exec Dt:
12/21/2020
Assignee
1
BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.
2/F BAIDU CAMPUS, NO. 10
SHANGDI 10TH STREET
HAIDIAN DISTRICT, BEIJING, CHINA 100085
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210323575
17330567
Correspondence name and address
DILWORTH IP LLC
2 CORPORATE DRIVE
SUITE 206
TRUMBULL, CT 06611

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