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D21F3/0254
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Parent Industries
D
TEXTILES PAPER
D21
Papermaking
D21F
PAPER-MAKING MACHINES METHODS OF PRODUCING PAPER THEREON
D21F3/00
Press section of machines for making continuous webs of paper
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D21F3/0254
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Patents Grants
last 30 patents
Information
Patent Grant
Device and method for drying fibrous material
Patent number
9,506,692
Issue date
Nov 29, 2016
Andritz AG
Franz Petschauer
F26 - DRYING
Information
Patent Grant
Method and an apparatus for manufacturing a three-dimensional surfa...
Patent number
8,789,289
Issue date
Jul 29, 2014
Voith Patent GmbH
Jeffrey Herman
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for the manufacture of a fiber web provided with a three-dim...
Patent number
7,662,260
Issue date
Feb 16, 2010
Voith Patent GmbH
Thomas Thoroe-Scherb
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method and an apparatus for manufacturing a fiber web provided with...
Patent number
7,428,786
Issue date
Sep 30, 2008
Voith Paper Patent GmbH
Jeffrey Herman
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Low compaction, pneumatic dewatering process for producing absorben...
Patent number
7,416,637
Issue date
Aug 26, 2008
Georgia-Pacific Consumer Products LP
Frank C. Murray
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Anti-rewet felt for use in a papermaking machine
Patent number
7,323,087
Issue date
Jan 29, 2008
Voith Paper Patent GmbH
David A. Beck
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Apparatus for the manufacture of a structured fiber web
Patent number
7,291,249
Issue date
Nov 6, 2007
Voith Paper Patent GmbH
Thomas Thoröe-Scherb
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method and an apparatus for manufacturing a fiber web provided with...
Patent number
7,150,110
Issue date
Dec 19, 2006
Voith Paper Patent GmbH
Jeffrey Herman
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Vented main roll for press assembly in a paper machine
Patent number
6,884,323
Issue date
Apr 26, 2005
Voith Paper Patent GmbH
David A. Beck
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Paper machine and method of dewatering a fiber web using displaceme...
Patent number
6,855,227
Issue date
Feb 15, 2005
Voith Paper Patent GmbH
David Beck
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Cleaning a semipermeable membrane in a papermaking machine
Patent number
6,673,210
Issue date
Jan 6, 2004
Voith Paper Patent GmbH
David A. Beck
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of forming a semipermeable membrane with intercommunicating...
Patent number
6,645,420
Issue date
Nov 11, 2003
Voith Sulzer Papiertechnik Patent GmbH
David A. Beck
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Anti-rewet felt for use in a papermaking machine
Patent number
6,616,812
Issue date
Sep 9, 2003
Voith Paper Patent GmbH
David A. Beck
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Paper making apparatus having pressurized chamber
Patent number
6,419,793
Issue date
Jul 16, 2002
Voith Sulzer Papiertechnik Patent GmbH
David A. Beck
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Pressing apparatus having semipermeable membrane
Patent number
6,416,631
Issue date
Jul 9, 2002
Voith Sulzer Papiertechnik Patent GmbH
David A. Beck
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Device for dewatering a material web
Patent number
6,381,868
Issue date
May 7, 2002
Voith Sulzer Papiertechnik Patent GmbH
Joachim Grabscheid
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Paper-making machine with an air press belt run
Patent number
6,325,895
Issue date
Dec 4, 2001
Voith Sulzer Paper Technology North America, Inc.
Edwin X. Graf
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Pressing apparatus having chamber sealing
Patent number
6,287,427
Issue date
Sep 11, 2001
Voith Sulzer Papiertechnik Patent GmbH
David A. Beck
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Semipermeable membrane for pressing apparatus
Patent number
6,274,042
Issue date
Aug 14, 2001
Voith Sulzer Papiertechnik GmbH
David A. Beck
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Fiber web lamination and coating apparatus having pressurized chamber
Patent number
6,248,203
Issue date
Jun 19, 2001
Voith Sulzer Papiertechnik Patent GmbH
David A. Beck
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Paper making apparatus having pressurized chamber
Patent number
6,190,506
Issue date
Feb 20, 2001
Voith Sulzer Papiertechnik Patent GmbH
David A. Beck
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Pressing apparatus having chamber end sealing
Patent number
6,161,303
Issue date
Dec 19, 2000
Voith Sulzer Papiertechnik Patent GmbH
David A. Beck
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Multi-nip suction press with a four roller closed train
Patent number
4,675,079
Issue date
Jun 23, 1987
David R. Webster
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Extended nip press for a paper machine
Patent number
4,173,249
Issue date
Nov 6, 1979
Oy Tampella AB
Seppo Holkko
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
3808096
Patent number
3,808,096
Issue date
Apr 30, 1974
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
2780968
Patent number
2,780,968
Issue date
Feb 12, 1957
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Patents Applications
last 30 patents
Information
Patent Application
METHOD AND AN APPARATUS FOR MANUFACTURING A THREE-DIMENSIONAL SURFA...
Publication number
20140298673
Publication date
Oct 9, 2014
Jeffrey Herman
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
DEVICE AND METHOD FOR DRYING FIBROUS MATERIAL
Publication number
20130219739
Publication date
Aug 29, 2013
Andritz AG
Franz Petschauer
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD AND AN APPARATUS FOR THE MANUFACTURE OF A FIBER WEB PROVIDED...
Publication number
20070289159
Publication date
Dec 20, 2007
Voith Paper Patent GmbH
Thomas Thoroe-Scherb
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Method and an apparatus for manufacturing a fiber web provided with...
Publication number
20060225300
Publication date
Oct 12, 2006
Voith Paper Patent GmbH
Jeffrey Herman
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Low compaction, pneumatic dewatering process for producing absorben...
Publication number
20060000567
Publication date
Jan 5, 2006
Frank C. Murray
B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information
Patent Application
Method and an apparatus for manufacturing a three-dimensional surfa...
Publication number
20050126031
Publication date
Jun 16, 2005
Jeffrey Herman
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Method and an apparatus for the manufacture of a fiber web provided...
Publication number
20040237210
Publication date
Dec 2, 2004
Thomas Thoroe-Scherb
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Anti-rewet felt for use in a papermaking machine
Publication number
20040180596
Publication date
Sep 16, 2004
David A. Beck
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Paper machine and method of dewatering a fiber web using displaceme...
Publication number
20040149405
Publication date
Aug 5, 2004
David Beck
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Vented main roll for press assembly in a paper machine
Publication number
20040152574
Publication date
Aug 5, 2004
David A. Beck
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Semipermeable membrane with intercommunicating pores for pressing a...
Publication number
20040089168
Publication date
May 13, 2004
Voith Sulzer Papiertechnik Patent GmbH
David A. Beck
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Elastic roller for a pressing apparatus
Publication number
20030153443
Publication date
Aug 14, 2003
David A. Beck
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Method and an apparatus for manufacturing a fiber web provided with...
Publication number
20030136018
Publication date
Jul 24, 2003
Jeffrey Herman
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Anti-rewet felt for use in a papermaking machine
Publication number
20030056925
Publication date
Mar 27, 2003
David A. Beck
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Cleaning a semipermeable membrane in a papermaking machine
Publication number
20030056919
Publication date
Mar 27, 2003
David A. Beck
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Methods and apparatus for dewatering paper webs
Publication number
20020096304
Publication date
Jul 25, 2002
Stora Enso North America Corporation
Dean F. Benjamin
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE