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Patent Assignment Assignor Details
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Assignor Name : LIU, GUANGHUA
Total Assignments: 3
Assignment: 1
Reel/Frame:029119/0880   Pages: 3
Recorded: 10/12/2012
Attorney Dkt #:CU-5628 RJS/DS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
LIU, GUANGHUA
Exec Dt:
10/09/2012
Assignee
1
XUE, YILONG
APT. 402, BUILDING 4, FUXING ROAD 28#, HAIDIAN DISTRICT
BEIJING, CHINA 100853
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8313741
US20080187521
11576061
Correspondence name and address
RICHARD J. STREIT
LADAS & PARRY, 224 SOUTH MICHIGAN AVE.
CHICAGO, IL 60604
Assignment: 2
Reel/Frame:042009/0102   Pages: 8
Recorded: 03/14/2017
Attorney Dkt #:BSY-1015
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIU, GUANGHUA
Exec Dt:
02/02/2015
2
ZOU, LIANYANG
Exec Dt:
02/02/2015
3
LIU, XINLI
Exec Dt:
02/02/2015
4
HUANG, YANFU
Exec Dt:
01/29/2015
5
TAO, SHIKAI
Exec Dt:
01/29/2015
6
YANG, WENJIANG
Exec Dt:
01/29/2015
7
YAN, GUOXING
Exec Dt:
01/29/2015
8
SHI, HONGJIANG
Exec Dt:
01/29/2015
9
LI, TIEJUN
Exec Dt:
01/29/2015
10
WANG, CHEN
Exec Dt:
01/29/2015
11
SHI, QIAN
Exec Dt:
01/29/2015
12
SUN, CHENGQIN
Exec Dt:
01/29/2015
13
ZHANG, CHUNHUA
Exec Dt:
01/29/2015
14
ZHOU, ZHIYONG
Exec Dt:
01/29/2015
15
PAN, XINGMING
Exec Dt:
01/29/2015
16
WU, QINGKUI
Exec Dt:
01/29/2015
17
LI, ZHANGJIAN
Exec Dt:
01/29/2015
Assignees
1
CHINA NATIONAL PETROLEUM CORPORATION
6 LIUPUKANG STREET, XICHENG DISTRICT
BEIJING, CHINA 100724
2
CNPC DRILLING RESEARCH INSTITUTE
M BLOCK JINGXINYUAN NO. A 25, BEIWUCUN ROAD
SIJIQING TOWN, HAIDIAN DISTRICT
BEIJING, CHINA 100195
3
BEIJING PETROLEUM MACHINERY FACTORY
NO. 41 ZHIXIN STREET, HAIDIAN DISTRICT
BEIJING, CHINA 100083
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9816327
US20150152726
14415944
Correspondence name and address
LOZA & LOZA LLP
305 NORTH SECOND AVE., #127
UPLAND, CA 91786-6064
Assignment: 3
Reel/Frame:052869/0275   Pages: 4
Recorded: 06/08/2020
Attorney Dkt #:ACL0090US (AGP198723854US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, JIANJUN
Exec Dt:
06/08/2020
2
FU, ZIEN
Exec Dt:
06/08/2020
3
HUANG, HENGCHAO
Exec Dt:
06/08/2020
4
CHEN, YANGQING
Exec Dt:
06/08/2020
5
LONG, FEI
Exec Dt:
06/08/2020
6
YANG, SUHAN
Exec Dt:
06/08/2020
7
LIU, GUANGHUA
Exec Dt:
06/08/2020
Assignee
1
GUANGZHOU BAIYUN CHEMICAL INDUSTRY CO., LTD.
NO. 1 YUNAN ROAD, GUANGZHOU CIVILIAN SCIENCE & TECHNOLOGY PARK, BAIYUN DISTRICT
GUANGDONG
GUANGZHOU, CHINA 510540
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11802229
US20210163803
16770864
Correspondence name and address
KAGAN BINDER, PLLC
SUITE 200, MAPLE ISLAND BUILDING
221 MAIN STREET NORTH
STILLWATER, MN 55082

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