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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 : ZHU, YINGDAN
Total Assignments: 10
Assignment: 1
Reel/Frame:046443/0861   Pages: 12
Recorded: 07/24/2018
Attorney Dkt #:074023-0791-US-578995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JIN, CHEN
Exec Dt:
06/20/2018
2
WEI, WINNIE
Exec Dt:
06/20/2018
3
AVTOMONOV, EVGENY
Exec Dt:
07/10/2018
4
KHOT, ANAND
Exec Dt:
07/06/2018
5
ZHU, YINGDAN
Exec Dt:
06/19/2018
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10913814
US20190010272
16066518
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 2
Reel/Frame:055271/0649   Pages: 8
Recorded: 02/16/2021
Attorney Dkt #:2018P30109WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JIN, CHEN
Exec Dt:
10/19/2020
2
ZHU, YINGDAN
Exec Dt:
10/19/2020
3
AVTOMONOV, EVGENY
Exec Dt:
10/26/2020
Assignee
1
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11965108
US20210269670
17268690
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 3
Reel/Frame:055271/0668   Pages: 8
Recorded: 02/16/2021
Attorney Dkt #:2018P30110WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHU, YINGDAN
Exec Dt:
10/19/2020
2
JIN, CHEN
Exec Dt:
10/19/2020
3
AVTOMONOV, EVGENY
Exec Dt:
10/26/2020
Assignee
1
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11965092
US20210317306
17268716
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 4
Reel/Frame:055111/0350   Pages: 20
Recorded: 02/02/2021
Attorney Dkt #:2018P30108WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JIN, CHEN
Exec Dt:
10/22/2020
2
ZHU, YINGDAN
Exec Dt:
10/22/2020
3
WEI, SONGLI
Exec Dt:
10/22/2020
4
SONG, QINGLIN
Exec Dt:
10/26/2020
5
ZHANG, CHENXI
Exec Dt:
10/22/2020
6
AVTOMONOV, EVGENY
Exec Dt:
10/26/2020
Assignee
1
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210317350
17265270
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 5
Reel/Frame:057471/0365   Pages: 3
Recorded: 09/14/2021
Attorney Dkt #:2019P30018WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JIN, CHEN
Exec Dt:
06/10/2021
2
ZHU, YINGDAN
Exec Dt:
06/07/2021
3
AVTOMONOV, EVGENY
Exec Dt:
05/31/2021
Assignee
1
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220186096
17438617
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 6
Reel/Frame:056951/0011   Pages: 18
Recorded: 07/22/2021
Attorney Dkt #:074023-0888-US-592650
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DOERR, SEBASTIAN
Exec Dt:
06/24/2019
2
AVTOMONOV, EVGENY
Exec Dt:
06/26/2019
3
ZHU, YINGDAN
Exec Dt:
07/13/2021
4
JIN, CHEN
Exec Dt:
07/02/2019
5
WEI, WINNIE
Exec Dt:
08/26/2019
6
ZHOU, MARIA
Exec Dt:
07/01/2019
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11155731
US20200062994
16489025
Correspondence name and address
FAEGRE DRINKER BIDDLE REATH LLP
222 DELAWARE AVE SUITE SUITE 1410
WILMINGTON, DE 19801
Assignment: 7
Reel/Frame:058265/0397   Pages: 5
Recorded: 12/02/2021
Attorney Dkt #:2019P30045WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHU, YINGDAN
Exec Dt:
08/12/2021
2
JIN, CHEN
Exec Dt:
08/17/2021
3
ZHOU, SHIJIE
Exec Dt:
09/01/2021
4
ZHAO, DONGBO
Exec Dt:
09/09/2021
5
AVTOMONOV, EVGENY
Exec Dt:
08/11/2021
Assignee
1
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220306797
17615864
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 8
Reel/Frame:059827/0813   Pages: 5
Recorded: 05/05/2022
Attorney Dkt #:2019P30064WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, CHENXI
Exec Dt:
01/06/2022
2
ZHU, FENG
Exec Dt:
12/31/2021
3
PENG, YEQING
Exec Dt:
12/31/2021
4
SHAO, WEIJIA
Exec Dt:
01/10/2022
5
ZHU, YINGDAN
Exec Dt:
12/31/2021
Assignee
1
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220411682
17774595
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 9
Reel/Frame:060271/0710   Pages: 5
Recorded: 06/22/2022
Attorney Dkt #:2019P30308WOUS01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MORITA, HIROSHI
Exec Dt:
01/20/2022
2
MUNAKATA, KAZUNORI
Exec Dt:
02/03/2022
3
ZHU, YINGDAN
Exec Dt:
01/18/2022
4
ZHANG, LONG
Exec Dt:
02/09/2022
5
FAN, ZHIRONG
Exec Dt:
01/18/2022
Assignee
1
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230048853
17787988
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 10
Reel/Frame:063880/0540   Pages: 4
Recorded: 06/07/2023
Attorney Dkt #:10139-2303273
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHENG, LIMIN
Exec Dt:
02/02/2023
2
LIU, QINGLAN
Exec Dt:
02/01/2023
3
LI, JINQI
Exec Dt:
01/30/2023
4
ZHU, YINGDAN
Exec Dt:
01/30/2023
5
ZHANG, LONG
Exec Dt:
02/23/2023
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240034828
18265794
Correspondence name and address
THE WEBB LAW FIRM, P.C.
ONE GATEWAY CENTER
420 FT. DUQUESNE BLVD., SUITE 1200
PITTSBURGH, PA 15222

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