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 Assignee Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignee Name : DÜRKOPP FÖRDERTECHNIK GMBH
Total Assignments: 27
Assignment: 1
Reel/Frame:032461/0540   Pages: 3
Recorded: 03/18/2014
Attorney Dkt #:JANZEN2
Conveyance: SUBMISSION TO CORRECT AN ERROR IN A COVER SHEET PREVIOUSLY RECORDED: REEL/FRAME: 027725/0271; CORRECTION OF THE ASSIGNEE'S NAME
Assignors
1
JANZEN, PAUL
Exec Dt:
02/13/2012
2
WEND, MICHAEL
Exec Dt:
02/13/2012
Assignee
1
DÜRKOPP FÖRDERTECHNIK GMBH
POTSDAMER STRASSE 190
BIELEFELD, GERMANY 33719
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8672118
US20120152697
13399398
Correspondence name and address
BROWDY AND NEIMARK, PLLC
1625 K STREET N.W.
SUITE 1100
WASHINGTON, DC 20006
Assignment: 2
Reel/Frame:032497/0211   Pages: 3
Recorded: 03/21/2014
Attorney Dkt #:JANZEN3
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
JANZEN, PAUL
Exec Dt:
03/12/2014
Assignee
1
DÜRKOPP FÖRDERTECHNIK GMBH
POTSDAMER STRASSE 190
BIELEFELD, GERMANY 33703
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20140284179
14221685
Correspondence name and address
BROWDY AND NEIMARK, PLLC
1625 K STREET, N.W.
SUITE 1100
WASHINGTON, DC 20006
Assignment: 3
Reel/Frame:032497/0241   Pages: 5
Recorded: 03/21/2014
Attorney Dkt #:WEND5
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WEND, MICHAEL
Exec Dt:
03/12/2014
2
JANZEN, PAUL
Exec Dt:
03/12/2014
Assignee
1
DÜRKOPP FÖRDERTECHNIK GMBH
POTSDAMER STRASSE 190
BIELEFELD, GERMANY 33703
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9187252
US20140284180
14221622
Correspondence name and address
BROWDY AND NEIMARK, PLLC
1625 K STREET, N.W.
SUITE 1100
WASHINGTON, DC 20006
Assignment: 4
Reel/Frame:033230/0322   Pages: 34
Recorded: 07/02/2014
Attorney Dkt #:WEND6
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WEND, MICHAEL
Exec Dt:
04/07/2014
2
ZAJONC, DIRK
Exec Dt:
04/07/2014
3
VOLKER, SIGURD
Exec Dt:
04/10/2014
4
SIEKSMEIER, DIRK
Exec Dt:
04/16/2014
Assignee
1
DÜRKOPP FÖRDERTECHNIK GMBH
POTSDAMER STRASSE 190
BIELEFELD, GERMANY 33719
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9296561
US20140303770
14248544
Correspondence name and address
BROWDY AND NEIMARK, PLLC
1625 K STREET, N,W.
SUITE 1100
WASHINGTON, DC 20006
Assignment: 5
Reel/Frame:034785/0617   Pages: 6
Recorded: 01/22/2015
Attorney Dkt #:SIEKSMEIER1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SIEKSMEIER, DIRK
Exec Dt:
01/12/2015
2
MERTEN, MARKUS
Exec Dt:
01/12/2015
Assignee
1
DÜRKOPP FÖRDERTECHNIK GMBH
POTSDAMER STRASSE 190
BIELEFELD, GERMANY 33719
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9815635
US20150210482
14602386
Correspondence name and address
BROWDY AND NEIMARK, PLLC
1625 K STREET, N.W.
SUITE 1100
WASHINGTON, DC 20006
Assignment: 6
Reel/Frame:034982/0265   Pages: 6
Recorded: 02/19/2015
Attorney Dkt #:SIEKSMEIER2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SIEKSMEIER, DIRK
Exec Dt:
01/19/2015
2
WEND, MICHAEL
Exec Dt:
01/21/2015
Assignee
1
DÜRKOPP FÖRDERTECHNIK GMBH
POTSDAMER STRASSE 190
BIELEFELD, GERMANY 33719
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9475656
US20150232284
14625733
Correspondence name and address
BROWDY ANDNEIMARK, PLLC
1625 K STREET N.W.
SUITE 1100
WASHINGTON, DC 20006
Assignment: 7
Reel/Frame:035013/0979   Pages: 6
Recorded: 02/24/2015
Attorney Dkt #:WEND7
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WEND, MICHAEL
Exec Dt:
02/06/2015
2
JANZEN, PAUL
Exec Dt:
02/06/2015
Assignee
1
DÜRKOPP FÖRDERTECHNIK GMBH
POTSDAMER STRASSE 190
BIELEFELD, GERMANY 33719
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20150239671
14629707
Correspondence name and address
BROWDY AND NEIMARK, PLLC
1625 K STREET, N.W.
SUITE 1100
WASHINGTON, DC 20006
Assignment: 8
Reel/Frame:035247/0198   Pages: 3
Recorded: 03/25/2015
Attorney Dkt #:WEND8
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
WEND, MICHAEL
Exec Dt:
03/17/2015
Assignee
1
DÜRKOPP FÖRDERTECHNIK GMBH
POTSDAMER STRASSE 190
BIELEFELD, GERMANY 33719
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9440791
US20150274425
14667724
Correspondence name and address
BROWDY AND NEIMARK, PLLC
1625 K STREET, N.W.
SUITE 1100
WASHINGTON, DC 20006
Assignment: 9
Reel/Frame:035263/0648   Pages: 3
Recorded: 03/26/2015
Attorney Dkt #:WEND9
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
WEND, MICHAEL
Exec Dt:
03/20/2015
Assignee
1
DÜRKOPP FÖRDERTECHNIK GMBH
POTSDAMER STRASSE 190
BIELEFELD, GERMANY 33719
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10124957
US20150274446
14669404
Correspondence name and address
BROWDY AND NEIMARK, PLLC
1625 K STREET, N.W.
SUITE 1100
WASHINGTON, DC 20006
Assignment: 10
Reel/Frame:044045/0445   Pages: 3
Recorded: 09/28/2017
Attorney Dkt #:2793.031
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JANZEN, PAUL
Exec Dt:
08/21/2017
2
WEND, MICHAEL
Exec Dt:
08/22/2017
Assignee
1
DÜRKOPP FÖRDERTECHNIK GMBH
POTSDAMER STRASSE 190
BIELEFELD, GERMANY 33719
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20180086563
15718287
Correspondence name and address
BOYLE FREDRICKSON S.C.
840 NORTH PLANKINTON AVENUE
MILWAUKEE, WI 53203
Assignment: 11
Reel/Frame:046851/0021   Pages: 2
Recorded: 09/12/2018
Attorney Dkt #:76185
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
JANZEN, PAUL
Exec Dt:
02/27/2018
Assignee
1
DÜRKOPP FÖRDERTECHNIK GMBH
POTSDAMER STRASSE 190
BIELEFELD, GERMANY 33719
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10207877
US20180229944
15894027
Correspondence name and address
MCGLEW & TUTTLE, PC
P.O. BOX 9227
SCARBOROUGH STATION
SCARBOROUGH, NY 10510-9227
Assignment: 12
Reel/Frame:048209/0961   Pages: 29
Recorded: 02/01/2019
Attorney Dkt #:76536
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WEND, MICHAEL
Exec Dt:
01/23/2019
2
JOHANNESMANN, THOMAS
Exec Dt:
01/23/2019
Assignee
1
DÜRKOPP FÖRDERTECHNIK GMBH
POTSDAMER STRASSE 190
BIELEFELD, GERMANY 33719
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10703572
US20190241366
16265274
Correspondence name and address
MCGLEW AND TUTTLE, P.C.
SCARBOROUGH PLAZA
B6
SCARBOROUGH, NY 10510
Assignment: 13
Reel/Frame:048209/0135   Pages: 36
Recorded: 02/01/2019
Attorney Dkt #:76537
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WEND, MICHAEL
Exec Dt:
01/28/2019
2
JOHANNESMANN, THOMAS
Exec Dt:
01/28/2019
Assignee
1
DÜRKOPP FÖRDERTECHNIK GMBH
POTSDAMER STRASSE 190
BIELEFELD, GERMANY 33719
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11072466
US20190241321
16265160
Correspondence name and address
MCGLEW AND TUTTLE, P.C.
SCARBOROUGH PLAZA
B6
SCARBOROUGH, NY 10510
Assignment: 14
Reel/Frame:049407/0395   Pages: 2
Recorded: 06/07/2019
Attorney Dkt #:76659
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
VOELKER, SIGURD
Exec Dt:
03/27/2019
Assignee
1
DÜRKOPP FÖRDERTECHNIK GMBH
POTSDAMER STRASSE 190
BIELEFELD, GERMANY 33719
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11472587
US20190375527
16434908
Correspondence name and address
MCGLEW AND TUTTLE, P.C.
SCARBOROUGH STATION
SCARBOROUGH STATION
SCARBOROUGH, NY 10510-9227
Assignment: 15
Reel/Frame:049407/0841   Pages: 2
Recorded: 06/07/2019
Attorney Dkt #:76660
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
VOELKER, SIGURD
Exec Dt:
03/27/2019
Assignee
1
DÜRKOPP FÖRDERTECHNIK GMBH
POTSDAMER STRASSE 190
BIELEFELD, GERMANY 33719
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11619930
US20190377335
16434980
Correspondence name and address
MCGLEW AND TUTTLE, P.C.
SCARBOROUGH STATION
SCARBOROUGH STATION
SCARBOROUGH, NY 10510-9227
Assignment: 16
Reel/Frame:050312/0106   Pages: 3
Recorded: 09/09/2019
Attorney Dkt #:76752
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SIEKSMEIER, DIRK
Exec Dt:
07/19/2019
2
MERTEN, MARKUS
Exec Dt:
07/19/2019
Assignee
1
DÜRKOPP FÖRDERTECHNIK GMBH
POTSDAMER STRASSE 190
BIELEFELD, GERMANY 33719
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10913608
US20200079594
16564202
Correspondence name and address
MCGLEW AND TUTTLE, P.C.
SCARBOROUGH STATION
SCARBOROUGH STATION
SCARBOROUGH, NY 10510-9227
Assignment: 17
Reel/Frame:050992/0799   Pages: 3
Recorded: 11/13/2019
Attorney Dkt #:76797
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHNADWINKEL, THOMAS
Exec Dt:
09/11/2019
2
ELEBRACHT, DORIS
Exec Dt:
09/11/2019
Assignee
1
DÜRKOPP FÖRDERTECHNIK GMBH
POTSDAMER STRASSE 190
BIELEFELD, GERMANY 33719
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11072498
NONE
16682096
Correspondence name and address
MCGLEW AND TUTTLE, P.C.
SCARBOROUGH STATION
SCARBOROUGH STATION
SCARBOROUGH, NY 10510-9227
Assignment: 18
Reel/Frame:055801/0912   Pages: 3
Recorded: 04/01/2021
Attorney Dkt #:77161
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHNADWINKEL, THOMAS
Exec Dt:
09/11/2019
2
ELEBRACHT, DORIS
Exec Dt:
09/11/2019
Assignee
1
DÜRKOPP FÖRDERTECHNIK GMBH
POTSDAMER STRASSE 190
BIELEFELD, GERMANY 33719
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11453557
US20210221623
17220697
Correspondence name and address
MCGLEW AND TUTTLE, P.C.
SCARBOROUGH STATION
SCARBOROUGH STATION
SCARBOROUGH, NY 10510-9227
Assignment: 19
Reel/Frame:053042/0825   Pages: 2
Recorded: 06/25/2020
Attorney Dkt #:76990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MERTEN, MARKUS
Exec Dt:
06/18/2020
Assignee
1
DÜRKOPP FÖRDERTECHNIK GMBH
POTSDAMER STRASSE 190
BIELEFELD, GERMANY 33719
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11383938
US20210101756
16912332
Correspondence name and address
MCGLEW AND TUTTLE, P.C.
SCARBOROUGH STATION
SCARBOROUGH STATION
SCARBOROUGH, NY 10510-9227
Assignment: 20
Reel/Frame:055247/0940   Pages: 3
Recorded: 02/12/2021
Attorney Dkt #:77129
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WEND, MICHAEL
Exec Dt:
01/08/2021
2
JOHANNESMANN, THOMAS
Exec Dt:
01/08/2021
Assignee
1
DÜRKOPP FÖRDERTECHNIK GMBH
POTSDAMER STRASSE 190
BIELEFELD, GERMANY 33719
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11352212
US20210253358
17175080
Correspondence name and address
MCGLEW AND TUTTLE, P.C.
SCARBOROUGH STATION
SCARBOROUGH STATION
SCARBOROUGH, NY 10510-9227
Assignment: 21
Reel/Frame:058154/0234   Pages: 2
Recorded: 11/18/2021
Attorney Dkt #:77294
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MERTEN, MARKUS
Exec Dt:
08/11/2021
Assignee
1
DÜRKOPP FÖRDERTECHNIK GMBH
POTSDAMER STRASSE 190
BIELEFELD, GERMANY 33719
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11926487
US20220153533
17529959
Correspondence name and address
MCGLEW AND TUTTLE, P.C.
SCARBOROUGH STATION
SCARBOROUGH STATION
SCARBOROUGH, NY 10510-9227
Assignment: 22
Reel/Frame:061391/0522   Pages: 2
Recorded: 10/12/2022
Attorney Dkt #:77461
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SIEKSMEIER, DIRK
Exec Dt:
08/12/2022
Assignee
1
DÜRKOPP FÖRDERTECHNIK GMBH
POTSDAMER STRASSE 190
BIELEFELD, GERMANY 33719
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230114187
17964209
Correspondence name and address
MCGLEW AND TUTTLE, P.C.
MCGLEW AND TUTTLE, P.C.
SCARBOROUGH STATION
SCARBOROUGH, NY 10510
Assignment: 23
Reel/Frame:061392/0134   Pages: 2
Recorded: 10/12/2022
Attorney Dkt #:77462
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
REHM, PASCAL
Exec Dt:
09/12/2022
Assignee
1
DÜRKOPP FÖRDERTECHNIK GMBH
POTSDAMER STRASSE 190
BIELEFELD, GERMANY 33719
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11884491
US20230113233
17964235
Correspondence name and address
MCGLEW AND TUTTLE, P.C.
MCGLEW AND TUTTLE, P.C.
SCARBOROUGH STATION
SCARBOROUGH, NY 10510
Assignment: 24
Reel/Frame:061378/0129   Pages: 5
Recorded: 10/11/2022
Attorney Dkt #:77466
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LANDERMANN, FRANK
Exec Dt:
09/30/2022
2
LESSMANN, MARCEL
Exec Dt:
10/04/2022
3
SIEKSMEIER, DIRK
Exec Dt:
09/30/2022
Assignee
1
DÜRKOPP FÖRDERTECHNIK GMBH
POTSDAMER STRASSE 190
BIELEFELD, GERMANY 33719
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230112137
17963484
Correspondence name and address
MCGLEW AND TUTTLE, P.C.
MCGLEW AND TUTTLE, P.C.
SCARBOROUGH STATION
SCARBOROUGH, NY 10510
Assignment: 25
Reel/Frame:063768/0312   Pages: 4
Recorded: 05/25/2023
Attorney Dkt #:203210-0213-US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MEIER, DIRK
Exec Dt:
03/03/2023
2
SIEKSMEIER, DIRK
Exec Dt:
03/03/2023
3
MERTEN, MARKUS
Exec Dt:
03/03/2023
4
KLEINEKATHÖFER, AXEL
Exec Dt:
03/03/2023
5
REHM, PASCAL
Exec Dt:
03/03/2023
Assignee
1
DÜRKOPP FÖRDERTECHNIK GMBH
POTSDAMER STRASSE 190
BIELEFELD, GERMANY 33719
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230385766
18322451
Correspondence name and address
MICHAEL BEST AND FRIEDRICH LLP
790 N. WATER STREET
STE 2500
MILWAUKEE, WI 53202
Assignment: 26
Reel/Frame:063768/0252   Pages: 4
Recorded: 05/25/2023
Attorney Dkt #:203210-0212-US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VÖLKER, SIGURD
Exec Dt:
03/29/2023
2
SIEKSMEIER, DIRK
Exec Dt:
03/29/2023
3
MERTEN, MARKUS
Exec Dt:
03/29/2023
4
KLEINEKATHÖFER, AXEL
Exec Dt:
03/29/2023
5
REHM, PASCAL
Exec Dt:
03/29/2023
Assignee
1
DÜRKOPP FÖRDERTECHNIK GMBH
POTSDAMER STRASSE 190
BIELEFELD, GERMANY 33719
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230382648
18322448
Correspondence name and address
MICHAEL BEST AND FRIEDRICH LLP
790 N. WATER STREET
STE 2500
MILWAUKEE, WI 53202
Assignment: 27
Reel/Frame:063768/0363   Pages: 3
Recorded: 05/25/2023
Attorney Dkt #:203210-0214-US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SIEKSMEIER, DIRK
Exec Dt:
03/29/2023
2
MEIER, DIRK
Exec Dt:
03/29/2023
3
KLEINEKATHÖFER, AXEL
Exec Dt:
03/29/2023
4
REHM, PASCAL
Exec Dt:
03/29/2023
Assignee
1
DÜRKOPP FÖRDERTECHNIK GMBH
POTSDAMER STRASSE 190
BIELEFELD, GERMANY 33719
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230382652
18322454
Correspondence name and address
MICHAEL BEST AND FRIEDRICH LLP
790 N. WATER STREET
STE 2500
MILWAUKEE, WI 53202

Search Results as of: 06/24/2024 05:04 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