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Patent Assignment Assignor Details
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Assignor Name : ZHANG, GUOAN
Total Assignments: 11
Assignment: 1
Reel/Frame:021013/0013   Pages: 7
Recorded: 05/28/2008
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GU, XIAOMEI
Exec Dt:
05/21/2008
2
XIE, DELONG
Exec Dt:
05/21/2008
3
ZHANG, QINGHUA
Exec Dt:
05/19/2008
4
GAO, QI
Exec Dt:
05/21/2008
5
LIU, GANG
Exec Dt:
05/26/2008
6
ZHANG, GUOAN
Exec Dt:
05/21/2008
7
XIAO, HUASHENG
Exec Dt:
05/23/2008
8
YANG, HONGJUN
Exec Dt:
05/23/2008
9
ZHAO, GUOPING
Exec Dt:
05/20/2008
10
ZHANG, LU
Exec Dt:
05/20/2008
Assignees
1
SHANGHAI BIOCHIP CO., LTD.
151 LIBING ROAD
ZHANGJIANG HI-TECH PARK
SHANGHAI 201203, CHINA
2
SHANGHAI XINGLING SCI.& TECH. PHARMACEUTICAL CO., LTD.
1271 DONGFANG ROAD, PUDONG
SHANGHAI 200127, CHINA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080254155
12091701
Correspondence name and address
HAMRE, SCHUMANN, MUELLER & LARSON, P.C.
P.O. BOX 2902
MINNEAPOLIS, MN 55402-0902
Assignment: 2
Reel/Frame:026824/0271   Pages: 3
Recorded: 08/29/2011
Attorney Dkt #:UNITALEN205US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, GUOAN
Exec Dt:
08/16/2011
2
ZHANG, JIAFU
Exec Dt:
08/16/2011
3
CHENG, JIANLONG
Exec Dt:
08/16/2011
Assignee
1
TONG OIL TOOLS CO., LTD.
NO. 70 KEJI 2ND ROAD, HIGH-TECH DEVELOPMENT ZONE
SUITE D301, TANGYUE BUILDING
XI'AN, SHAANXI, CHINA 710075
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8607856
US20110318088
13203802
Correspondence name and address
IM IP LAW PLLC
P.O. BOX 355
SCARSDALE, NY 10583-0355
Assignment: 3
Reel/Frame:034192/0444   Pages: 5
Recorded: 11/18/2014
Attorney Dkt #:1641-PCT-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, GUOAN
Exec Dt:
09/26/2012
2
CHENG, JIANLONG
Exec Dt:
09/26/2012
3
SUN, XIANHONG
Exec Dt:
09/26/2012
Assignee
1
TONG OIL TOOLS CO., LTD
NO. 70 KEJI ROAD, HIGH-TECH DEVELOPMENT ZONE
SUITE D301, TANGYUE BUILDING
XI'AN, SHAANXI, CHINA 710075
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8960289
US20130098681
13521522
Correspondence name and address
LAW OFFICES OF ALBERT WAI-KIT CHAN, PLLC
141-07 20TH AVENUE
SUITE 604 WORLD PLAZA
WHITESTONE, NY 11357
Assignment: 4
Reel/Frame:034132/0004   Pages: 5
Recorded: 11/09/2014
Attorney Dkt #:1656-PCT-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, GUOAN
Exec Dt:
02/02/2013
2
CHENG, JIANLONG
Exec Dt:
02/02/2013
3
SUN, XIANHONG
Exec Dt:
02/02/2013
Assignee
1
TONG PETROTECH INC
1718 FRY ROAD
SUITE 210
HOUSTON, TEXAS 77084
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8943944
US20140060295
13814243
Correspondence name and address
LAW OFFICES OF ALBERT WAI-KIT CHAN, PLLC
141-07 20TH AVENUE
SUITE 604 WORLD PLAZA
WHITESTONE, NY 11357
Assignment: 5
Reel/Frame:034132/0013   Pages: 4
Recorded: 11/09/2014
Attorney Dkt #:1657-PCT-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, GUOAN
Exec Dt:
02/02/2013
2
CHENG, JIANLONG
Exec Dt:
02/02/2013
Assignee
1
TONG PETROTECH INC
1718 FRY ROAD
SUITE 210
HOUSTON, TEXAS 77084
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20140053715
13814242
Correspondence name and address
LAW OFFICES OF ALBERT WAI-KIT CHAN, PLLC
141-07 20TH AVENUE
SUITE 604 WORLD PLAZA
WHITESTONE, NY 11357
Assignment: 6
Reel/Frame:034971/0563   Pages: 5
Recorded: 02/17/2015
Attorney Dkt #:1654-A-PCT-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, GUOAN
Exec Dt:
02/02/2013
2
CHENG, JIANLONG
Exec Dt:
02/02/2013
3
SUN, XIANHONG
Exec Dt:
02/02/2013
Assignee
1
TONG OIL TOOLS CO., LTD.
SUITE D301 TANGYUE BUILDING, NO. 70 KEJI 2ND ROAD
HIGH-TECH DEVELOPMENT ZONE XI'AN
SHAANXI, CHINA 710075
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9027667
US20130145924
13759064
Correspondence name and address
LAW OFFICES OF ALBERT WAI-KIT CHAN, PLLC
141-07 20TH AVENUE
WORLD PLAZA, SUITE 604
WHITESTONE, NY 11357
Assignment: 7
Reel/Frame:035089/0916   Pages: 6
Recorded: 02/24/2015
Attorney Dkt #:1654-A-PCT-US
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE'S ADDRESS PREVIOUSLY RECORDED AT REEL: 034971 FRAME: 0563. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
Assignors
1
ZHANG, GUOAN
Exec Dt:
02/02/2013
2
CHENG, JIANLONG
Exec Dt:
02/02/2013
3
SUN, XIANHONG
Exec Dt:
02/02/2013
Assignee
1
TONG OIL TOOLS CO., LTD.
NO. 70 KEJI ROAD, HIGH-TECH DEVELOPMENT ZONE
SUITE D301, TANGYUE BUILDING
XI'AN, SHAANXI, CHINA 710075
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9027667
US20130145924
13759064
Correspondence name and address
LAW OFFICES OF ALBERT WAI-KIT CHAN, PLLC
141-07 20TH AVENUE
WORLD PLAZA, SUITE 604
WHITESTONE, NY 11357
Assignment: 8
Reel/Frame:037172/0725   Pages: 4
Recorded: 11/30/2015
Attorney Dkt #:1655-A-PCT-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, GUOAN
Exec Dt:
02/02/2013
2
CHENG, JIANLONG
Exec Dt:
02/02/2013
Assignee
1
TONG OIL TOOLS CO., LTD
NO. 70 KEJI 2ND ROAD, HIGH-TECH DEVELOPMENT ZONE
SUITE D301, TANGYUE BUILDING
XI'AN, SHAANXI, CHINA 710075
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9297243
US20130146287
13759060
Correspondence name and address
LAW OFFICES OF ALBERT WAI-KIT CHAN, PLLC
141-07, 20TH AVENUE
WORLD PLAZA, SUITE 604
WHITESTONE, NY 11357
Assignment: 9
Reel/Frame:037288/0460   Pages: 5
Recorded: 12/15/2015
Attorney Dkt #:1656-A-PCT-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, GUOAN
Exec Dt:
02/02/2013
2
CHENG, JIANLONG
Exec Dt:
02/02/2013
3
SUN, XIANHONG
Exec Dt:
02/02/2013
Assignee
1
TONG PETROTECH INC
1718 FRY ROAD
SUITE 210
HOUSTON, TEXAS 77084
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9297242
US20150107831
14580750
Correspondence name and address
LAW OFFICES OF ALBERT WAI-KIT CHAN, PLLC
141-07 20TH AVENUE
SUITE 604 WORLD PLAZA
WHITESTONE, NY 11357
Assignment: 10
Reel/Frame:049841/0347   Pages: 3
Recorded: 07/23/2019
Attorney Dkt #:BZC-USU-A437-SHJ
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHU, YANHE
Exec Dt:
12/05/2018
2
ZHANG, GUOAN
Exec Dt:
12/05/2018
3
LI, HONGWU
Exec Dt:
12/05/2018
4
ZHAO, JIE
Exec Dt:
12/05/2018
Assignee
1
HARBIN INSTITUTE OF TECHNOLOGY
92 WEST DAZHI STREET
NAN GANG DISTRICT
HARBIN, CHINA 150001
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11285069
US20190380903
16480291
Correspondence name and address
NOVOCLAIMS PATENT SERVICES LLC
20539 E. WALNUT DRIVE NORTH, SUITE I
(WALNUT PARK BUSINESS CENTER)
WALNUT, CA 91789
Assignment: 11
Reel/Frame:057411/0282   Pages: 4
Recorded: 09/08/2021
Attorney Dkt #:0388.0018
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, GUOAN
Exec Dt:
07/26/2021
2
GU, XIAOHUI
Exec Dt:
07/26/2021
3
JIN, LI
Exec Dt:
07/26/2021
4
GU, JINYUAN
Exec Dt:
07/26/2021
5
JI, CHEN
Exec Dt:
07/26/2021
6
JI, YANCHENG
Exec Dt:
07/26/2021
7
DUAN, WEI
Exec Dt:
07/26/2021
Assignee
1
NANTONG UNIVERSITY
NO. 9, SEYUAN ROAD, LANGSHAN TOWN STREET
CHONGCHUAN DISTRICT, NANTONG
JIANGSU, CHINA 226019
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11445400
US20220210686
17437120
Correspondence name and address
MH2 TECHNOLOGY LAW GROUP, LLP
1951 KIDWELL DRIVE
SUITE 310
TYSONS CORNER, VA 22182

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