skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
Patent Assignment Assignor Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignor Name : LI, DIANQING
Total Assignments: 9
Assignment: 1
Reel/Frame:019812/0241   Pages: 4
Recorded: 09/11/2007
Attorney Dkt #:008007.P004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUAN, XUE
Exec Dt:
06/28/2007
2
LI, DIANQING
Exec Dt:
06/28/2007
3
LV, ZHI
Exec Dt:
06/28/2007
4
LIN, YANJUN
Exec Dt:
06/28/2007
5
XU, XIANGYU
Exec Dt:
06/28/2007
Assignee
1
BEIJING UNIVERSITY OF CHEMICAL TECHNOLOGY
NO. 15, BEISANHUAN EAST ROAD
CHAO YANG DISTRICT
BEIJING, CHINA 100029
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8088349
US20080170978
11853788
Correspondence name and address
BLAKELY, SOKOLOFF, TAYLOR & ZAFMAN
1279 OAKMEAD PARKWAY
SUNNYVALE, CA 94085
Assignment: 2
Reel/Frame:026418/0050   Pages: 3
Recorded: 06/08/2011
Attorney Dkt #:HSML-20019.8
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, FAZHI
Exec Dt:
05/20/2011
2
CHEN, PENG
Exec Dt:
05/20/2011
3
HOU, RONG
Exec Dt:
05/20/2011
4
CHEN, JIALI
Exec Dt:
05/20/2011
5
GAO, CHAO
Exec Dt:
05/20/2011
6
ZHANG, HUI
Exec Dt:
05/20/2011
7
LI, DIANQING
Exec Dt:
05/20/2011
8
LI, FENG
Exec Dt:
05/20/2011
9
DUAN, XUE
Exec Dt:
05/20/2011
Assignee
1
BEIJING UNIVERSITY OF CHEMICAL TECHNOLOGY
NO. 15, BEISANHUAN EAST ROAD
CHAO YANG DISTRICT, BEIJING 100029, CHINA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8765632
US20110237430
13128546
Correspondence name and address
HAMRE, SCHUMANN, MUELLER & LARSON, P.C.
P.O. BOX 2902
MINNEAPOLIS MN 55402-0902
Assignment: 3
Reel/Frame:029776/0761   Pages: 3
Recorded: 02/07/2013
Attorney Dkt #:125601-188867
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, DIANQING
Exec Dt:
01/30/2013
2
FENG, JUNTING
Exec Dt:
01/30/2013
3
MA, XIAOYAN
Exec Dt:
01/30/2013
Assignee
1
BEIJING UNIVERSITY OF CHEMICAL TECHNOLOGY
NO. 15, BEISANHUAN EAST ROAD
CHAOYANG DISTRICT
BEIJING, CHINA 100029
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8652994
US20130143731
13700427
Correspondence name and address
SCHWABE, WILLIAMSON & WYATT, P.C.
1420 5TH AVENUE
SUITE 3400
SEATTLE, WA 98101
Assignment: 4
Reel/Frame:035830/0016   Pages: 5
Recorded: 06/12/2015
Attorney Dkt #:20019.0016USWO
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIN, YANJUN
Exec Dt:
05/12/2015
2
LI, KAITAO
Exec Dt:
05/12/2015
3
NING, BO
Exec Dt:
05/12/2015
4
LI, DIANQING
Exec Dt:
05/12/2015
5
DUAN, XUE
Exec Dt:
05/12/2015
6
WEN, CHENFA
Exec Dt:
05/12/2015
7
TAN, XUCHANG
Exec Dt:
05/12/2015
Assignees
1
BEIJING UNIVERSITY OF CHEMICAL TECHNOLOGY
NO. 15, BEISANHUAN EAST ROAD, CHAOYANG DISTRICT
BEIJING, CHINA 100029
2
JIANGYIN RUIFA CHEMICAL CO., LTD.
NO. 37, QIFANGZHUANG, SHECHENG VILLAGE, YUNTING TOWN
JIANGYIN CITY, JIANGSU PROVINCE, CHINA 214422
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9475705
US20160009566
14441778
Correspondence name and address
HAMRE, SCHUMANN, MUELLER & LARSON, P.C.
P. O. BOX 2902
MINNEAPOLIS, MN 55402
Assignment: 5
Reel/Frame:050347/0323   Pages: 6
Recorded: 09/11/2019
Attorney Dkt #:SHTD2046
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, DIANQING
Exec Dt:
09/10/2019
2
MA, RUI
Exec Dt:
09/10/2019
3
HE, YUFEI
Exec Dt:
09/10/2019
4
FENG, YONGJUN
Exec Dt:
09/10/2019
5
FENG, JUNTING
Exec Dt:
09/10/2019
Assignee
1
BEIJING UNIVERSITY OF CHEMICAL TECHNOLOGY
NORTH THIRD RING ROAD 15, CHAOYANG DISTRICT
BEIJING, CHINA 100029
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10913052
US20210023536
16493275
Correspondence name and address
J C PATENTS
4 VENTURE, SUITE 250
IRVINE, CA 92618
Assignment: 6
Reel/Frame:056395/0786   Pages: 4
Recorded: 05/31/2021
Attorney Dkt #:481.003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIU, YANAN
Exec Dt:
05/25/2021
2
FENG, JUNTING
Exec Dt:
05/25/2021
3
FU, FENGZHI
Exec Dt:
05/25/2021
4
LI, DIANQING
Exec Dt:
05/25/2021
5
HE, YUFEI
Exec Dt:
05/25/2021
Assignee
1
BEIJING UNIVERSITY OF CHEMICAL TECHNOLOGY
NO.15, BEISANHUAN EAST ROAD CHAOYANG DISTRICT
BEIJING, CHINA 100029
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11691138
US20220234036
17335019
Correspondence name and address
HOUTTEMAN LAW LLC
P.O.BOX 370
MERRIFIELD, VA 22116
Assignment: 7
Reel/Frame:063525/0231   Pages: 4
Recorded: 05/03/2023
Attorney Dkt #:481.003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIU, YANAN
Exec Dt:
05/25/2021
2
FENG, JUNTING
Exec Dt:
05/25/2021
3
FU, FENGZHI
Exec Dt:
05/25/2021
4
LI, DIANQING
Exec Dt:
05/25/2021
5
HE, YUFEI
Exec Dt:
05/25/2021
Assignee
1
BEIJING UNIVERSITY OF CHEMICAL TECHNOLOGY
NO.15, BEISANHUAN EAST ROAD CHAOYANG DISTRICT
BEIJING, CHINA 100029
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11691138
US20220234036
17335019
Correspondence name and address
HOUTTEMAN LAW LLC
P.O. BOX 370
MERRIFIELD, VA 22116
Assignment: 8
Reel/Frame:063624/0121   Pages: 4
Recorded: 05/12/2023
Attorney Dkt #:2825/HHD-US-IP-0002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HE, YUFEI
Exec Dt:
04/23/2023
2
LIN, XINGYE
Exec Dt:
04/23/2023
3
LI, DIANQING
Exec Dt:
04/23/2023
4
CHEN, SHUAI
Exec Dt:
04/23/2023
5
LIU, YANAN
Exec Dt:
04/23/2023
6
FENG, JUNTING
Exec Dt:
04/23/2023
Assignee
1
BEIJING UNIVERSITY OF CHEMICAL TECHNOLOGY
NO. 15, NORTH THIRD RING EAST ROAD CHAOYANG DISTRICT
BEIJING, CHINA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230390753
18316455
Correspondence name and address
IPPIVOT PATENT AGENCY
4000 LEGATO ROAD
SUITE 1100
FAIRFAX, VA 22033
Assignment: 9
Reel/Frame:064634/0172   Pages: 6
Recorded: 08/18/2023
Attorney Dkt #:3519/HHD-US-IP-0003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIU, YANAN
Exec Dt:
08/08/2023
2
LI, DIANQING
Exec Dt:
08/08/2023
3
YU, HE
Exec Dt:
08/08/2023
4
LI, NING
Exec Dt:
08/08/2023
Assignee
1
BEIJING UNIVERSITY OF CHEMICAL TECHNOLOGY
15 NORTH THIRD RING EAST ROAD, CHAOYANG DISTRICT
BEIJING, CHINA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240082833
18452032
Correspondence name and address
IPPIVOT PATENT AGENCY
IPPIVOT PATENT AGENCY
4000 LEGATO RD STE 1100
FAIRFAX, VA 22033

Search Results as of: 05/08/2024 04:02 AM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT