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Patent Assignment Assignor Details
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Assignor Name : LI, GONGRANG
Total Assignments: 4
Assignment: 1
Reel/Frame:035063/0659   Pages: 6
Recorded: 03/02/2015
Attorney Dkt #:YH1360915CUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, GONGRANG
Exec Dt:
02/16/2015
2
LAN, QIANG
Exec Dt:
02/16/2015
3
ZHANG, PENG
Exec Dt:
02/16/2015
4
ZHENG, CHENGSHENG
Exec Dt:
02/16/2015
5
XU, YUNBO
Exec Dt:
02/16/2015
6
WU, XUEQIN
Exec Dt:
02/16/2015
7
LI, ZUOHUI
Exec Dt:
02/16/2015
8
ZHOU, YANJUN
Exec Dt:
02/16/2015
9
ZHANG, HONG
Exec Dt:
02/16/2015
Assignees
1
SINOPEC OILFIELD SERVICE CORPORATION
8#, BEICHEN WEST ROAD
BEICHEN CENTRUY CENTER, 7TH FLOOR, BUILDING A
CHAOYANG DISTRICT, BEIJING, CHINA 100101
2
DRILLING TECHNOLOGY RESEARCH INSTITUTE OF SINOPEC SHENGLI PETROLEUM ENGINEERING CO., LTD
827#, BEIYI ROAD
DONGYING, SHANDONG PROVINCE, CHINA 257017
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9938445
US20150203736
14582901
Correspondence name and address
ANDERSON GORECKI & ROUILLE LLP
33 NAGOG PARK
ACTON, MA 01720
Assignment: 2
Reel/Frame:049000/0167   Pages: 12
Recorded: 04/25/2019
Attorney Dkt #:RAP3-PT139
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HUANG, WEIAN
Exec Dt:
04/25/2019
2
WANG, JINGWEN
Exec Dt:
04/25/2019
3
LEI, MING
Exec Dt:
04/25/2019
4
ZHANG, JIAQI
Exec Dt:
04/25/2019
5
LI, GONGRANG
Exec Dt:
04/25/2019
6
LV, KAIHE
Exec Dt:
04/25/2019
7
WU, XIONGJUN
Exec Dt:
04/25/2019
8
QIU, ZHENGSONG
Exec Dt:
04/25/2019
Assignee
1
CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
NO. 66, CHANGJIANG WEST ROAD, HUANGDAO DISTRICT, SHANDONG PROVINCE
QINGDAO, CHINA 266580
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10647902
NONE
16394753
Correspondence name and address
VOLPE AND KOENIG, P.C.
30 SOUTH 17TH STREET, 18TH FLOOR
PHILADELPHIA, PA 19103
Assignment: 3
Reel/Frame:061529/0965   Pages: 6
Recorded: 10/25/2022
Attorney Dkt #:PA124.0286
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, GONGRANG
Exec Dt:
08/22/2022
2
LI, WENBO
Exec Dt:
08/22/2022
3
SUN, BINGXIANG
Exec Dt:
08/22/2022
4
TIAN, HUI
Exec Dt:
08/22/2022
5
WANG, XIZHOU
Exec Dt:
08/22/2022
6
LI, KE
Exec Dt:
08/21/2022
7
JIA, JIANGHONG
Exec Dt:
08/22/2022
8
YU, LEI
Exec Dt:
08/22/2022
9
SUN, JIE
Exec Dt:
08/22/2022
10
WANG, XUDONG
Exec Dt:
08/21/2022
11
WANG, CHENGJUN
Exec Dt:
08/22/2022
12
LI, BINGTAI
Exec Dt:
08/21/2022
13
LI, HAIBIN
Exec Dt:
08/22/2022
14
LIU, ZHENDONG
Exec Dt:
08/21/2022
15
GAO, KAI
Exec Dt:
08/22/2022
16
LI, CHUNGUANG
Exec Dt:
08/22/2022
17
LI, HUI
Exec Dt:
08/21/2022
Assignees
1
CHINA PETROLEUM & CHEMICAL CORPORATION
NO. 22 CHAOYANGMEN NORTH STREET, CHAOYANG DISTRICT
BEIJING, CHINA 100728
2
SINOPEC OILFIELD SERVICE CORPORATION
12TH FLOOR, A6 HUIXIN EAST STREET, CHAOYANG DISTRICT
BEIJING, CHINA 100029
3
SINOPEC SHENGLI PETROLEUM ENGINEERING CO., LTD
NO. 258 JINAN ROAD, DONGYING DISTRICT
DONGYING CITY, SHANDONG, CHINA 257000
4
DRILLING TECHNOLOGY RESEARCH INSTITUTE OF SINOPEC SHENGLI PETROLEUM ENGINEERING CO., LTD
NO. 827, BEIYI ROAD, DONGYING DISTRICT
DONGYING CITY, SHANDONG, CHINA 257017
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230242804
17997074
Correspondence name and address
NOVICK, KIM & LEE, PLLC
3251 OLD LEE HIGHWAY
SUITE 500
FAIRFAX, VA 22030
Assignment: 4
Reel/Frame:062496/0505   Pages: 5
Recorded: 01/26/2023
Attorney Dkt #:PA124.0236
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, GONGRANG
Exec Dt:
08/22/2022
2
LI, WENBO
Exec Dt:
08/22/2022
3
WANG, CHENGJUN
Exec Dt:
08/21/2022
4
SUN, BINGXIANG
Exec Dt:
08/22/2022
5
TIAN, HUI
Exec Dt:
08/22/2022
6
LI, KE
Exec Dt:
08/21/2022
7
JIA, JIANGHONG
Exec Dt:
08/22/2022
8
WANG, XUDONG
Exec Dt:
08/22/2022
9
YU, LEI
Exec Dt:
08/21/2022
10
WANG, JUN
Exec Dt:
08/22/2022
11
WANG, WEI
Exec Dt:
08/22/2022
12
LI, LEI
Exec Dt:
08/21/2022
Assignees
1
CHINA PETROLEUM & CHEMICAL CORPORATION
22 CHAOYANGMEN NORTH STREET, CHAOYANG DISTRICT
BEIJING, CHINA 100728
2
SINOPEC OILFIELD SERVICE CORPORATION
12TH FLOOR, A6 HUIXIN EAST STREET, CHAOYANG DISTRICT
BEIJING, CHINA 100029
3
SINOPEC SHENGLI PETROLEUM ENGINEERING CO., LTD
NO. 258 JINAN ROAD, DONGYING DISTRICT
DONGYING CITY, SHANDONG, CHINA 257000
4
DRILLING TECHNOLOGY RESEARCH INSTITUTE OF SINOPEC SHENGLI PETROLEUM ENGINEERING CO., LTD
NO. 827, BEIYI ROAD, DONGYING DISTRICT
DONGYING CITY, SHANDONG, CHINA 257017
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230141112
17904726
Correspondence name and address
NOVICK, KIM & LEE, PLLC
3251 OLD LEE HIGHWAY, SUITE 500
FAIRFAX, VA 22030

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