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 : RITTERMEIER, ANDRE
Total Assignments: 7
Assignment: 1
Reel/Frame:046439/0030   Pages: 5
Recorded: 07/24/2018
Attorney Dkt #:074023-0793-US-579865
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RITTERMEIER, ANDRE
Exec Dt:
07/05/2018
2
VENZ, MICHAEL
Exec Dt:
06/28/2018
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20190023568
16071576
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 2
Reel/Frame:047710/0103   Pages: 5
Recorded: 12/07/2018
Attorney Dkt #:074023-0808-US-583564
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RITTERMEIER, ANDRE
Exec Dt:
10/30/2018
2
BURBACH, THOMAS
Exec Dt:
10/30/2018
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20190210875
16099336
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 3
Reel/Frame:048988/0423   Pages: 23
Recorded: 04/24/2019
Attorney Dkt #:074023-0817-584823
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RITTERMEIER, ANDRE
Exec Dt:
01/24/2019
2
HELLMICH, RAINER
Exec Dt:
01/31/2019
3
BITTNER, IRIS MANUELA
Exec Dt:
01/23/2019
4
STEFFENS, FRIEDHELM
Exec Dt:
02/07/2019
5
JAKOBS, ERIC
Exec Dt:
01/23/2019
6
SOPPE, ALFRED
Exec Dt:
01/31/2019
7
WU, LUYAN
Exec Dt:
02/16/2019
8
QIAN, MICKY
Exec Dt:
01/28/2019
9
LEHNER, PETER
Exec Dt:
02/19/2019
10
FINK, HENRIKE
Exec Dt:
01/22/2019
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WLHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11267703
US20190194018
16312358
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 4
Reel/Frame:050121/0400   Pages: 23
Recorded: 03/11/2019
Attorney Dkt #:074023-0817-584823
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RITTERMEIER, ANDRE
Exec Dt:
01/24/2019
2
HELLMICH, RAINER
Exec Dt:
01/31/2019
3
BITTNER, IRIS MANUELA
Exec Dt:
01/23/2019
4
STEFFENS, FRIEDHELM
Exec Dt:
02/07/2019
5
JAKOBS, ERIC
Exec Dt:
01/23/2019
6
SOPPE, ALFRED
Exec Dt:
01/31/2019
7
WU, LUYAN
Exec Dt:
02/06/2019
8
QIAN, MICKY
Exec Dt:
01/28/2019
9
LEHNER, PETER
Exec Dt:
02/19/2019
10
FINK, HENRIKE
Exec Dt:
01/22/2019
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11267703
US20190194018
16312358
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 5
Reel/Frame:051021/0372   Pages: 17
Recorded: 11/15/2019
Attorney Dkt #:074023-0898-US-593507
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RITTERMEIER, ANDRE
Exec Dt:
08/22/2019
2
VENZ, MICHAEL
Exec Dt:
08/22/2019
3
BURBACH, THOMAS
Exec Dt:
08/19/2019
4
SCHMIDT, TIMM
Exec Dt:
08/26/2019
5
LODDENKEMPER, TIM
Exec Dt:
08/21/2019
6
GERHARTZ, FRANK
Exec Dt:
08/21/2019
7
MÜLLER, WALTHER
Exec Dt:
08/19/2019
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11389791
US20210154657
16614062
Correspondence name and address
DRINKER BIDDLE & REATH LLP
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 6
Reel/Frame:051300/0693   Pages: 22
Recorded: 12/17/2019
Attorney Dkt #:074023-0899-US-593817
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RITTERMEIER, ANDRE
Exec Dt:
09/03/2019
2
VENZ, MICHAEL
Exec Dt:
08/29/2019
3
EIDEN, STEFANIE
Exec Dt:
08/30/2019
4
BURBACH, THOMAS
Exec Dt:
09/02/2019
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20200208283
16623437
Correspondence name and address
DRINKER BIDDLE & REATH LLP
222 DELAWARE AVENUE
STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 7
Reel/Frame:060912/0451   Pages: 18
Recorded: 08/26/2022
Attorney Dkt #:074023-US-000029
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LUEKEN, ALEXANDER
Exec Dt:
08/04/2021
2
VENZ, MICHAEL
Exec Dt:
07/26/2021
3
BURBACH, THOMAS
Exec Dt:
07/27/2021
4
RITTERMEIER, ANDRE
Exec Dt:
07/27/2021
Assignee
1
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220203300
17605697
Correspondence name and address
FAEGRE DRINKER BIDDLE & REATH LLP (WM)
ATTN: INTELLECTUAL PROPERTY GROUP
ONE LOGAN SQURE, SUITE 2000
PHILADELPHIA, PA 19103

Search Results as of: 05/28/2024 10:14 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