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 : PRITSCHINS, WOLFGANG
Total Assignments: 34
Assignment: 1
Reel/Frame:004966/0431   Pages: 2
Recorded: 10/11/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HAUBENNESTEL, KARLHEINZ
Exec Dt:
08/22/1988
2
PRITSCHINS, WOLFGANG
Exec Dt:
08/22/1988
Assignee
1
BYK-CHEMIE GMBH
ABELSTRASSE 14
D-4230 WESEL, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4795796
NONE
07129104
Correspondence name and address
FOLEY & LARDNER,SCHWARTZ,JEFFERY,SCHWAAB
MACK,BLUMENTHAL,& EVANS,P.C.
P.O. BOX 299
ALEXANDRIA, VA 22313-0299
Assignment: 2
Reel/Frame:005000/0743   Pages: 1
Recorded: 01/19/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HAUBENNESTEL, KARL-HEINZ
Exec Dt:
12/16/1988
2
PRITSCHINS, WOLFGANG
Exec Dt:
12/19/1988
Assignee
1
BYK-CHEMIE GMBH
ABELSTRASSE 14
D-4230 WESEL, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4942213
NONE
07278112
Correspondence name and address
FOLEY & LARDNER, SCHWARTZ, JEFFERY,
SCHWAAB, MACK, BLUMENTHAL & EVANS
P.O. BOX 299
ALEXANDRIA, VA 22313-0299
Assignment: 3
Reel/Frame:005402/0103   Pages: 2
Recorded: 08/06/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HAUBENNESTEL, KARL-HEINZ
Exec Dt:
07/30/1990
2
PRITSCHINS, WOLFGANG
Exec Dt:
07/30/1990
Assignee
1
BYK-CHEMIE GMBH
ABELSTRASSE 14
4230 WESEL FEDERAL REPUBLIC OF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5130463
NONE
07562847
Correspondence name and address
FOLEY & LARDNER, SCHWARTZ, JEFFERY,
SCHWAAB, MACK, BLUMENTHAL & EVANS
P. O. BOX 299
ALEXANDRIA, VA 22313-0299
Assignment: 4
Reel/Frame:009171/0164   Pages: 2
Recorded: 05/11/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HAUBENNESTEL, KARLHEINZ
Exec Dt:
03/09/1998
2
PRITSCHINS, WOLFGANG
Exec Dt:
03/10/1998
3
ORTH, ULRICH
Exec Dt:
03/10/1998
Assignee
1
BYK-CHEMIE GMBH
ABELSTRASSE 14
46483 WESEL, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6596816
NONE
09075613
Correspondence name and address
MERCHANT, GOULD, SMITH, EDELL, ET AL.
MICHAEL B. LASKY
3100 NORWEST CENTER
90 SOUTH SEVENTH STREET
MINNEAPOLIS, MN 55420-4131
Assignment: 5
Reel/Frame:013757/0814   Pages: 4
Recorded: 02/19/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PRITSCHINS, WOLFGANG
Exec Dt:
01/16/2003
2
GERTZEN, BARBEL
Exec Dt:
01/16/2003
3
ESSER, ANDREA
Exec Dt:
01/16/2003
4
HAUBENNESTEL, KARLHEINZ
Exec Dt:
01/20/2003
Assignee
1
BYK-CHEMIE GMBH
ABELSTRASSE 45
WESEL 46483, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7205351
US20030171471
10274642
Correspondence name and address
SCHWEGMAN, LUNDBERG, WOESSNER, ETAL.
WILLIAM F. PROUT
P.O. BOX 2938
MINNEAPOLIS, MN 55402
Assignment: 6
Reel/Frame:016537/0235   Pages: 3
Recorded: 05/05/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PRITSCHINS, WOLFGANG
Exec Dt:
04/15/2005
2
KRAPPE, UDO
Exec Dt:
04/15/2005
3
HAUBENNESTEL, KARLHEINZ
Exec Dt:
05/02/2005
4
ESSER, ANDREA
Exec Dt:
04/15/2005
Assignee
1
BYK-CHEMIE GMBH
ABELSTRASSE 45
WESEL, GERMANY 46483
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8362300
US20050250927
11123804
Correspondence name and address
WILLIAM F. PROUT
SCHWEGMAN, LUNDBERG, WOESSNER
& KLUTH, P.A.
P.O. BOX 2938
MINNEAPOLIS, MN 55402
Assignment: 7
Reel/Frame:017109/0446   Pages: 3
Recorded: 12/12/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PRITSCHINS, WOLFGANG
Exec Dt:
11/10/2005
2
HAUBENNESTEL, KARLBEINZ
Exec Dt:
11/14/2005
3
TIEGS, WERNER
Exec Dt:
11/10/2005
Assignee
1
BYK-CHEMIE GMBH
ABELSTRASSE 45
WESEL 46483, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7317062
US20060069224
11225397
Correspondence name and address
A. JAMES NELSON
SCHWEGMAN, LUNDBERG, WOESSNER & KLUTH PA
P.O. BOX 2938
MINNEAPOLIS, MINNESOTA 55402
Assignment: 8
Reel/Frame:019574/0059   Pages: 7
Recorded: 07/18/2007
Attorney Dkt #:1238.035US1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HAUBENNESTEL, KARLHEINZ
Exec Dt:
06/08/2007
2
MOESSMER, STEFAN
Exec Dt:
05/30/2007
3
PRITSCHINS, WOLFGANG
Exec Dt:
05/25/2007
4
LAUNAG, THOMAS
Exec Dt:
06/01/2007
Assignee
1
BYK-CHEMIE GMBH
ABELSTRASSE 45
WESEL 46483, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8492499
US20070259120
11725978
Correspondence name and address
ALBIN J. NELSON
SCHWEGMAN LUNDBERG WOESSNER, ET AL.
P.O. BOX 2938
MINNEAPOLIS, MN 55402-0938
Assignment: 9
Reel/Frame:020217/0894   Pages: 8
Recorded: 12/06/2007
Attorney Dkt #:1238.029US1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HAUBENNESTEL, KARLHEINZ
Exec Dt:
08/08/2007
2
BUBAT, ALFRED
Exec Dt:
08/08/2007
3
KRAPPE, UDO
Exec Dt:
08/13/2007
4
GERTZEN, BERBEL
Exec Dt:
08/08/2007
5
GARLINSKY, JOERG
Exec Dt:
08/08/2007
6
PRITSCHINS, WOLFGANG
Exec Dt:
08/08/2007
Assignee
1
BYK-CHERNIE GMBH
ABELSTRASSE 45
WESEL, GERMANY 46483
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7947777
US20080319123
11547488
Correspondence name and address
ALBIN J. NELSON
SCHWEGMAN, LUNDBERG & WOESSNER, P.A.
P.O. BOX 2938
MINNEAPOLIS, MN 55402-0938
Assignment: 10
Reel/Frame:022730/0795   Pages: 7
Recorded: 05/26/2009
Attorney Dkt #:8356-6
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BERKEI, MICHAEL
Exec Dt:
05/11/2009
2
NOLTE, ULRICH
Exec Dt:
05/11/2009
3
SAWITOWSKI, THOMAS
Exec Dt:
05/11/2009
4
PRITSCHINS, WOLFGANG
Exec Dt:
05/07/2009
Assignee
1
BYK-CHEMIE GMBH
ABELSTRASSE 45
WESEL, GERMANY D-46483
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8257677
US20100059720
12514718
Correspondence name and address
WOODARD EMHARDT MORIARTY MCNETT & HENRY
111 MONUMENT CIRCLE
SUITE 3700
INDIANAPOLIS, IN 46204
Assignment: 11
Reel/Frame:023313/0967   Pages: 4
Recorded: 10/01/2009
Attorney Dkt #:100728-88 WCG
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NAGELSDIEK, RENE
Exec Dt:
09/14/2009
2
PRITSCHINS, WOLFGANG
Exec Dt:
09/17/2009
3
GOBELT, BERND
Exec Dt:
09/17/2009
4
GREEFRATH, DOROTHEE
Exec Dt:
09/15/2009
5
REMME, STEPHAN
Exec Dt:
09/21/2009
6
ESSER, ANDREA
Exec Dt:
09/14/2009
Assignee
1
BYK-CHEMIE GMBH
ABELSTRASSE 45
WESEL, GERMANY 46483
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8153722
US20100016492
12548821
Correspondence name and address
NORRIS, MCLAUGHLIN & MARCUS, P.A.
875 THIRD AVE
18TH FLOOR
NEW YORK, NY 10022
Assignment: 12
Reel/Frame:025129/0705   Pages: 6
Recorded: 10/12/2010
Attorney Dkt #:1238.046US1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PRITSCHINS, WOLFGANG
Exec Dt:
08/06/2010
2
OMEIS, JURGEN
Exec Dt:
08/10/2010
3
TEUWSEN, HANS-JOSEF
Exec Dt:
08/10/2010
Assignee
1
BYK-CHEMIE GMBH
ABELSTRASSE 45
WESEL, 46483, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9085654
US20110021699
12863804
Correspondence name and address
LOUIS M. LEICHTER
SCHWEGMAN, LUNDBERG & WOESSNER, P.A.
P.O. BOX 2938
MINNEAPOLIS, MN 55402-0938
Assignment: 13
Reel/Frame:025157/0742   Pages: 6
Recorded: 10/19/2010
Attorney Dkt #:1238.048US1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PRITSCHINS, WOLFGANG
Exec Dt:
08/06/2010
2
HAUBENNESTEL, KARLHEINZ
Exec Dt:
08/16/2010
3
TEUWSEN, HANS-JOSEF
Exec Dt:
08/10/2010
Assignee
1
BYK-CHEMIE GMBH
ABELSTRASSE 45
WESEL, 46483, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8795831
US20110027585
12863795
Correspondence name and address
LOUIS M. LEICHTER
SCHWEGMAN, LUNDBERG & WOESSNER, P.A.
P.O. BOX 2938
MINNEAPOLIS, MN 55402-0938
Assignment: 14
Reel/Frame:025476/0512   Pages: 3
Recorded: 12/13/2010
Attorney Dkt #:P/746-68 (V17764)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PROELSS, DIETER
Exec Dt:
12/06/2010
2
TRUMMER, STEFAN
Exec Dt:
12/06/2010
3
ROTH, STEPHAN
Exec Dt:
12/06/2010
4
GERTZEN, BARBEL
Exec Dt:
11/29/2010
5
PRITSCHINS, WOLFGANG
Exec Dt:
11/25/2010
6
OMEIS, JURGEN
Exec Dt:
11/29/2010
Assignees
1
ECKART GMBH
GUNTERSTHAL 4
HARTENSTEIN, GERMANY 91235
2
BYK-CHEMIE GMBH
ABELSTRASSE 45
WESEL, GERMANY 46483
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9931524
US20110094412
12994879
Correspondence name and address
OSTROLENK FABER LLP
1180 AVENUE OF THE AMERICAS
NEW YORK, NY 100368403
Assignment: 15
Reel/Frame:026109/0341   Pages: 3
Recorded: 04/12/2011
Attorney Dkt #:100728-105 WCG
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NAGELSDIEK, RENE
Exec Dt:
02/21/2011
2
GOEBELT, BERND
Exec Dt:
02/23/2011
3
PRITSCHINS, WOLFGANG
Exec Dt:
02/21/2011
4
GREEFRATH, DOROTHEE
Exec Dt:
02/22/2011
5
REMME, STEPHAN
Exec Dt:
03/09/2011
6
ESSER, ANDREA
Exec Dt:
02/22/2011
Assignee
1
BYK-CHEMIE GMBH
ABELSTRASSE 45
WESEL, GERMANY 46483
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9403719
US20110190420
13057883
Correspondence name and address
GERSTENZANG, WILLIAM C. NORRIS MCLAUGHLI
875 THIRD AVE, 8TH FLOOR
NEW YORK, NY 10022
Assignment: 16
Reel/Frame:026299/0473   Pages: 8
Recorded: 05/19/2011
Attorney Dkt #:1238.051US1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FISCHER, MARTIN
Exec Dt:
03/16/2011
2
PRITSCHINS, WOLFGANG
Exec Dt:
03/11/2011
3
VENNHOFF, FRANK
Exec Dt:
03/15/2011
4
SPIKKER-HEILEN, LUCIA
Exec Dt:
03/18/2011
5
ESSER, ANDREA
Exec Dt:
03/11/2011
Assignee
1
BYK-CHEMIE GMBH
ABELSTRASSE 45
WESEL, 46483, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9259700
US20110313089
13061383
Correspondence name and address
LOUIS M. LEICHTER
SCHWEGMAN, LUNDBERG & WOESSNER, P.A.
P.O. BOX 2938
MINNEAPOLIS, MN 55402-0938
Assignment: 17
Reel/Frame:031348/0735   Pages: 8
Recorded: 09/26/2013
Attorney Dkt #:1238.065US1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OMEIS, JURGEN
Exec Dt:
08/08/2013
2
PRITSCHINS, WOLFGANG
Exec Dt:
08/08/2013
3
PIESTERT, FREDERIK
Exec Dt:
08/08/2013
4
KROHNEN, MARCEL
Exec Dt:
08/16/2013
5
O'SHEA, SANDRA
Exec Dt:
08/26/2013
Assignee
1
BYK-CHEMIE GMBH
ABELSTRASSE 45
WESEL, 46483, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9447292
US20140012036
13979578
Correspondence name and address
RICARDO J. MORAN
SCHWEGMAN, LUNDBERG & WOESSNER, P.A.
P.O. BOX 2938
MINNEAPOLIS, MN 55402--0938
Assignment: 18
Reel/Frame:032315/0370   Pages: 5
Recorded: 02/27/2014
Attorney Dkt #:BYI.P0125
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GOEBELT, BERND
Exec Dt:
01/29/2014
2
NAGELSDIEK, RENE
Exec Dt:
01/28/2014
3
OMEIS, JUERGEN
Exec Dt:
01/27/2014
4
PIESTERT, FREDERIK
Exec Dt:
01/27/2014
5
PRITSCHINS, WOLFGANG
Exec Dt:
02/06/2014
6
MEZNARIC, NATASA
Exec Dt:
01/27/2014
7
SCHROEDER, DANIEILA
Exec Dt:
02/10/2014
8
TIEGS, WERNER
Exec Dt:
01/28/2014
Assignee
1
BYK-CHEMIE GMBH
ABELSTRASSE 45
WESEL, GERMANY 46483
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9573103
US20140194537
14127861
Correspondence name and address
CURATOLO SIDOTI CO., LPA
24500 CENTER RIDGE RD.
SUITE 280
CLEVELAND, OH 44145
Assignment: 19
Reel/Frame:032315/0904   Pages: 5
Recorded: 02/27/2014
Attorney Dkt #:BYI.P0113
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GOEBELT, BERND
Exec Dt:
01/29/2014
2
NAGELSDIEK, RENE
Exec Dt:
01/28/2014
3
OMEIS, JUERGEN
Exec Dt:
01/27/2014
4
PIESTERT, FREFERIK
Exec Dt:
01/27/2014
5
PRITSCHINS, WOLFGANG
Exec Dt:
02/06/2014
6
MEZNARIC, NATASA
Exec Dt:
01/27/2014
7
SCHROEDER, DANIELA
Exec Dt:
02/10/2014
8
TIEGS, WERNER
Exec Dt:
01/28/2014
Assignee
1
BYK-CHEMIE GMBH
ABELSTRASSE 45
WESEL, GERMANY 46483
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9518146
US20150038641
14127753
Correspondence name and address
CURATOLO SIDOTI CO., LPA
24500 CENTER RIDGE RD.
SUITE 280
CLEVELAND, OH 44145
Assignment: 20
Reel/Frame:033409/0597   Pages: 4
Recorded: 07/29/2014
Attorney Dkt #:BYI.P0141
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PRITSCHINS, WOLFGANG
Exec Dt:
06/17/2014
2
OMEIS, JUERGEN
Exec Dt:
06/11/2014
3
MOESSMER, STEFAN
Exec Dt:
06/11/2014
4
ESSER, ANDREA
Exec Dt:
06/16/2014
5
ROCH, MONIKA
Exec Dt:
07/10/2014
Assignee
1
BYK-CHEMIE GMBH
ABELSTRASSE 45
WESEL, GERMANY 46483
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9752067
US20140296430
14358508
Correspondence name and address
CURATOLO SIDOTI CO., LPA
24500 CENTER RIDGE RD.
SUITE 280
CLEVELAND, OH 44145
Assignment: 21
Reel/Frame:033410/0016   Pages: 4
Recorded: 07/29/2014
Attorney Dkt #:BYI.P0142
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OMEIS, JUERGEN
Exec Dt:
06/11/2014
2
MOESSMER, STEFAN
Exec Dt:
06/11/2014
3
ESSER, ANDREA
Exec Dt:
06/16/2014
4
ROCH, MONIKA
Exec Dt:
07/10/2014
5
PRITSCHINS, WOLFGANG
Exec Dt:
06/17/2014
Assignee
1
BYK-CHEMIE GMBH
ABELSTRASSE 45
WESEL, GERMANY 46483
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9574121
US20150299538
14358462
Correspondence name and address
CURATOLO SIDOTI CO., LPA
24500 CENTER RIDGE RD.
SUITE 280
CLEVELAND, OH 44145
Assignment: 22
Reel/Frame:043263/0107   Pages: 4
Recorded: 08/10/2017
Attorney Dkt #:BYI.P01141PFA-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PRITSCHINS, WOLFGANG
Exec Dt:
06/17/2014
2
OMEIS, JÜRGEN
Exec Dt:
06/11/2014
3
MÖSSMER, STEFAN
Exec Dt:
06/11/2014
4
ESSER, ANDREA
Exec Dt:
06/16/2014
5
ROCH, MONIKA
Exec Dt:
07/10/2014
Assignee
1
BYK-CHEMIE GMBH
ABELSTRASSE 45
WESEL, GERMANY 46483
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20170335154
15674161
Correspondence name and address
CURATOLO SIDOTI CO., LPA
24500 CENTER RIDGE RD
SUITE 280
CLEVELAND, OH 44145
Assignment: 23
Reel/Frame:037666/0646   Pages: 4
Recorded: 02/04/2016
Attorney Dkt #:BYK.P.L013013
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BIECKER, CHRISTIAN
Exec Dt:
11/02/2015
2
KOCKOTH, SASCHA
Exec Dt:
10/07/2015
3
PIESTERT, FREDERIK
Exec Dt:
10/01/2015
4
PRITSCHINS, WOLFGANG
Exec Dt:
10/19/2015
5
OMEIS, JÜRGEN
Exec Dt:
10/04/2015
6
BESTEN, EVA
Exec Dt:
10/05/2015
7
ORLOWSKI, ANGELIKA
Exec Dt:
10/05/2015
Assignee
1
BYK-CHEMIE GMBH
ABELSTRASSE 45
WESEL, GERMANY 46483
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9822234
US20160032077
14773606
Correspondence name and address
CURATOLO SIDOTI CO., LPA
24500 CENTER RIDGE ROAD
SUITE 280
CLEVELAND, OH 44145
Assignment: 24
Reel/Frame:038866/0638   Pages: 9
Recorded: 06/09/2016
Attorney Dkt #:1238.072US1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PIESTERT, FREDERIK
Exec Dt:
01/13/2016
2
PRITSCHINS, WOLFGANG
Exec Dt:
01/15/2016
3
KOCKOTH, SASCHA
Exec Dt:
01/14/2016
4
OMEIS, JÜRGEN
Exec Dt:
01/15/2016
Assignee
1
BYK-CHEMIE GMBH
ABELSTRASSE 45
WESEL, 46483, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10392494
US20150368532
14746922
Correspondence name and address
SCHWEGMAN LUNDBERG & WOESSNER, P.A.
P.O. BOX 2938
MINNEAPOLIS, MN 55402
Assignment: 25
Reel/Frame:039877/0332   Pages: 4
Recorded: 09/28/2016
Attorney Dkt #:BYK.P.L013053
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OKKEL, ANDREAS
Exec Dt:
07/05/2016
2
OMEIS, JÜRGEN
Exec Dt:
07/04/2016
3
PRITSCHINS, WOLFGANG
Exec Dt:
07/05/2016
4
BÖMER, JÖRG
Exec Dt:
07/05/2016
5
STELZ, SABINE
Exec Dt:
07/05/2016
6
ESSER, ANDREA
Exec Dt:
07/07/2016
Assignee
1
BYK-CHEMIE GMBH
ABELSTRASSE 45
WESSEL, GERMANY 46483
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10640611
US20170190840
15038379
Correspondence name and address
CURATOLO SIDOTI CO., LPA
24500 CENTER RIDGE RD
SUITE 280
CLEVELAND, OH 44145
Assignment: 26
Reel/Frame:041473/0689   Pages: 3
Recorded: 03/06/2017
Attorney Dkt #:BYK.P.S014112
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PIESTERT, FREDERIK
Exec Dt:
02/09/2017
2
PRITSCHINS, WOLFGANG
Exec Dt:
02/03/2017
3
KOCKOTH, SASCHA
Exec Dt:
02/07/2017
4
OMEIS, JUERGEN
Exec Dt:
02/13/2017
Assignee
1
BYK-CHEMIE GMBH
ABELSTRASSE 45
WESEL, GERMANY 46483
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10557015
US20170226313
15320517
Correspondence name and address
CURATOLO SIDOTI CO., LPA
24500 CENTER RIDGE RD.
SUITE 280
CLEVELAND, OH 44145
Assignment: 27
Reel/Frame:041473/0890   Pages: 3
Recorded: 03/06/2017
Attorney Dkt #:BYK.P.S014113
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PIESTERT, FREDERIK
Exec Dt:
02/09/2017
2
PRITSCHINS, WOLFGANG
Exec Dt:
02/03/2017
3
KOCKOTH, SASCHA
Exec Dt:
02/07/2017
4
OMEIS, JUERGEN
Exec Dt:
02/13/2017
Assignee
1
BYK-CHEMIE GMBH
ABELSTRASSE 45
WESEL, GERMANY 46483
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20170152337
15320556
Correspondence name and address
CURATOLO SIDOTI CO., LPA
24500 CENTER RIDGE RD.
SUITE 280
CLEVELAND, OH 44145
Assignment: 28
Reel/Frame:041482/0190   Pages: 3
Recorded: 03/07/2017
Attorney Dkt #:BYK.P.S014115
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PIESTERT, FREDERIK
Exec Dt:
02/09/2017
2
PRITSCHINS, WOLFGANG
Exec Dt:
02/03/2017
3
KOCKOTH, SASCHA
Exec Dt:
02/07/2017
4
OMEIS, JUERGEN
Exec Dt:
02/13/2017
Assignee
1
BYK-CHEMIE GMBH
ABELSTRASSE 45
WESEL, GERMANY 46483
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20170158838
15320611
Correspondence name and address
CURATOLO SIDOTI CO., LPA
24500 CENTER RIDGE RD.
SUITE 280
CLEVELAND, OH 44145
Assignment: 29
Reel/Frame:045147/0780   Pages: 4
Recorded: 03/08/2018
Attorney Dkt #:BYK.P01184PFA-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OKKEL, ANDREAS
Exec Dt:
01/30/2018
2
PIESTERT, FREDERIK
Exec Dt:
01/26/2018
3
PRITSCHINS, WOLFGANG
Exec Dt:
02/22/2018
4
BÖMER, JÖRG
Exec Dt:
01/25/2018
5
HEITZER, JENNIFER
Exec Dt:
01/25/2018
6
HOVERATH, EVA
Exec Dt:
03/05/2018
7
STELZ, SABINE
Exec Dt:
01/25/2018
8
TIEGS, WERNER
Exec Dt:
03/02/2018
9
OMEIS, JÜRGEN
Exec Dt:
12/04/2017
Assignee
1
BYK-CHEMIE GMBH
ABELSTRASSE 45
WESEL, GERMANY 46483
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10253133
US20180148532
15575219
Correspondence name and address
CURATOLO SIDOTI CO., LPA
24500 CENTER RIDGE RD
SUITE 280
CLEVELAND, OH 44145
Assignment: 30
Reel/Frame:045350/0381   Pages: 4
Recorded: 03/26/2018
Attorney Dkt #:BYK.P01190PFA-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OKKEL, ANDREAS
Exec Dt:
03/21/2018
2
PRITSCHINS, WOLFGANG
Exec Dt:
02/22/2018
3
BESSEL, MICHAEL
Exec Dt:
03/07/2018
4
GIEBELHAUS, IRINA
Exec Dt:
03/12/2018
5
MEICHSNER, MARCUS
Exec Dt:
03/13/2018
6
ROCH, MONIKA
Exec Dt:
03/21/2018
Assignee
1
BYK-CHEMIE GMBH
ABELSTRASSE 45
WESEL, GERMANY 46483
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20180186917
15740624
Correspondence name and address
CURATOLO SIDOTI CO., LPA
24500 CENTER RIDGE RD
SUITE 280
CLEVELAND, OH 44145
Assignment: 31
Reel/Frame:059669/0098   Pages: 4
Recorded: 04/21/2022
Attorney Dkt #:BYK.P01190A
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OKKEL, ANDREAS
Exec Dt:
03/21/2018
2
PRITSCHINS, WOLFGANG
Exec Dt:
02/22/2018
3
BESSEL, MICHAEL
Exec Dt:
03/07/2018
4
GIEBELHAUS, IRINA
Exec Dt:
03/12/2018
5
MEICHSNER, MARCUS
Exec Dt:
03/13/2018
6
ROCH, MONIKA
Exec Dt:
03/21/2018
Assignee
1
BYK-CHEMIE GMBH
ABELSTRASSE 45
WESEL, GERMANY 46483
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11879032
US20220282021
17726106
Correspondence name and address
CURATOLO SIDOTI & TRILLIS CO., LPA
24500 CENTER RIDGE ROAD
SUITE 280
CLEVELAND, OH 44145
Assignment: 32
Reel/Frame:048656/0905   Pages: 7
Recorded: 03/21/2019
Attorney Dkt #:20875-145291-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GIEBELHAUS, IRINA
Exec Dt:
03/08/2019
2
OKKEL, ANDREAS
Exec Dt:
03/11/2019
3
PRITSCHINS, WOLFGANG
Exec Dt:
03/18/2019
Assignee
1
BYK-CHEMIE GMBH
ABELSTR. 45
WESEL, GERMANY 46483
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10836857
US20190263964
16333847
Correspondence name and address
FITCH, EVEN, TABIN & FLANNERY LLP
120 SOUTH LASALLE STREET, SUITE 2100
CHICAGO, IL 60603
Assignment: 33
Reel/Frame:052241/0836   Pages: 8
Recorded: 03/27/2020
Attorney Dkt #:20875-148688-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OKKEL, ANDREAS
Exec Dt:
02/27/2020
2
PRITSCHINS, WOLFGANG
Exec Dt:
03/26/2020
3
BURGE, MATTHEW
Exec Dt:
02/27/2020
4
TEUWSEN, HANS-JOSEF
Exec Dt:
02/27/2020
Assignee
1
BYK-CHEMIE GMBH
ABELSTR. 45
WESEL, GERMANY 46483
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11447598
NONE
16643254
Correspondence name and address
FITCH, EVEN, TABIN & FLANNERY LLP
120 S. LASALLE STREET
SUITE 2100
CHICAGO, IL 60603
Assignment: 34
Reel/Frame:054475/0291   Pages: 10
Recorded: 11/26/2020
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PRITSCHINS, WOLFGANG
Exec Dt:
10/12/2020
2
LEBIG, DANIEL
Exec Dt:
10/09/2020
3
FISCHER, MARTIN
Exec Dt:
10/09/2020
4
FRITSCH, THOMAS
Exec Dt:
11/16/2020
5
HEITZER, JENNIFER
Exec Dt:
10/09/2020
6
KRÜSMANN, DENNIS
Exec Dt:
10/12/2020
Assignee
1
BYK-CHEMIE GMBH
ABELSTR 45
WESEL, GERMANY 46483
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11945940
US20210253840
17049064
Correspondence name and address
ALLEN HOOVER FITCH EVEN
120 S LASALLE
STE 2100
CHICAGO, IL 60603

Search Results as of: 05/25/2024 09:45 PM
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