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Patent Assignment Assignor Details
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Assignor Name : LI, ZUOHUI
Total Assignments: 5
Assignment: 1
Reel/Frame:031126/0640   Pages: 6
Recorded: 09/03/2013
Attorney Dkt #:11240.0035
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YANG, JINZHOU
Exec Dt:
07/26/2013
2
LI, ZUOHUI
Exec Dt:
07/26/2013
3
LIN, NAN
Exec Dt:
07/26/2013
4
WEI, BAOJUN
Exec Dt:
07/26/2013
5
LIU, QINGLONG
Exec Dt:
07/26/2013
6
XIAO, HONGBING
Exec Dt:
07/26/2013
Assignees
1
CHINA PETROLEUM & CHEMICAL CORPORATION
NO. 22, CHAOYANGMEN NORTH STREET
CHAOYANG DISTRICT
BEIJING, CHINA 100728
2
SHENGLI DRILLING TECHNOLOGY RESEARCH INSTITUTE OF SINOPEC
NO. 827, BEIYI ROAD
DONGYING CITY, SHANDONG PROVINCE, CHINA 257017
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9377555
US20130338925
13996149
Correspondence name and address
FINNEGAN, HENDERSON, FARABOW, GARRETT &
901 NEW YORK AVENUE, NW
WASHINGTON, DC 20001
Assignment: 2
Reel/Frame:038740/0433   Pages: 6
Recorded: 05/27/2016
Attorney Dkt #:11240.0035-01000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YANG, JINZHOU
Exec Dt:
07/26/2013
2
LI, ZUOHUI
Exec Dt:
07/26/2013
3
LIN, NAN
Exec Dt:
07/26/2013
4
WEI, BAOJUN
Exec Dt:
07/26/2013
5
LIU, QINGLONG
Exec Dt:
07/26/2013
6
XIAO, HONGBING
Exec Dt:
07/26/2013
Assignees
1
CHINA PETROLEUM & CHEMICAL CORPORATION
NO. 22, CHAOYANGMEN NORTH STREET, CHAOYANG DISTRICT
BEIJING, CHINA 100728
2
SHENGLI DRILLING TECHNOLOGY RESEARCH INSTITUTE OF SINOPEC
NO. 827, BEIYI ROAD
DONGYING CITY, CHINA 257017
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9927548
US20160274265
15167490
Correspondence name and address
FINNEGAN, HENDERSON, FARABOW, GARRETT &
901 NEW YORK AVENUE, NW
WASHINGTON, DC 20001-4413
Assignment: 3
Reel/Frame:031677/0791   Pages: 5
Recorded: 11/26/2013
Attorney Dkt #:0079521-000005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, ZUOHUI
Exec Dt:
11/14/2013
2
TANG, MING
Exec Dt:
11/14/2013
3
WU, LIUGEN
Exec Dt:
11/14/2013
4
MA, JIANZHONG
Exec Dt:
11/14/2013
5
CAI, PENG
Exec Dt:
11/14/2013
6
PENG, ZHIGANG
Exec Dt:
11/14/2013
7
ZHU, WANSHENG
Exec Dt:
11/14/2013
8
TANG, CHENGLEI
Exec Dt:
11/14/2013
9
TENG, ZHAOZHENG
Exec Dt:
11/14/2013
10
NING, XUETAO
Exec Dt:
11/14/2013
11
ZHU, HAIBO
Exec Dt:
11/14/2013
12
SHEN, XUEXIANG
Exec Dt:
11/14/2013
Assignees
1
CHINA PETROLEUM & CHEMICAL CORPORATION
NO. 22 CHAOYANGMEN NORTH STREET, CHAOYANG DISTRICT
BEIJING, CHINA 100728
2
DRILLING TECHNOLOGY RESEARCH INSTITUTE OF SINOPEC OILFIELD SERVICE SHENGLI CORPORATION
NO. 827, BEIYI ROAD, DONGYING DISTRICT
DONGYING CITY, SHANDONG PROVINCE, CHINA 257017
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9347297
US20140110136
14057819
Correspondence name and address
BUCHANAN INGERSOLL & ROONEY, PC
1737 KING STREET
SUITE 500
ALEXANDRIA, VA 22314
Assignment: 4
Reel/Frame:032704/0625   Pages: 4
Recorded: 04/17/2014
Attorney Dkt #:PA124.0043-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, WEI
Exec Dt:
04/04/2014
2
HAN, LAIJU
Exec Dt:
04/04/2014
3
LI, ZUOHUI
Exec Dt:
04/04/2014
4
SUN, FENG
Exec Dt:
04/04/2014
5
WANG, YIFENG
Exec Dt:
04/04/2014
6
LIU, QINGLONG
Exec Dt:
04/04/2014
7
XU, FENGLING
Exec Dt:
04/04/2014
8
LV, ZHENHUA
Exec Dt:
04/04/2014
Assignees
1
CHINA PETROLEUM & CHEMICAL CORPORATION
22 CHAOYANGMEN NORTH STREET, CHAOYANG DISTRICT
BEIJING, CHINA 100728
2
SHENGLI DRILLING TECHNOLOGY RESEARCH INSTITUTE OF SINOPEC
NO. 827, BEIYI ROAD, DONGYING DISTRICT
DONGYING, SHANDONG, CHINA 257000
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9598937
US20140251592
14241903
Correspondence name and address
NOVICK, KIM & LEE, PLLC
1604 SPRING HILL ROAD SUITE 320
VIENNA, VA 22182
Assignment: 5
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

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