D21D 1/00

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9976253 Set for the mechanical processing, in particular grinding of suspended fibrous materialJun 24, 15May 22, 18Andritz Fiedler Gmbh
9605379 Cast refiner plate segment with blunt edges and corners for safe handlingJan 31, 14Mar 28, 17ANDRITZ INC.
9551108 Dispersion machine for removing impurities from fiberAug 29, 13Jan 24, 17Not available
9370779 Method and arrangementJul 01, 11Jun 21, 16HAARLA OY
9145641 Apparatus for disperser plate and method to refine paperNov 18, 13Sep 29, 15ANDRITZ INC.
8926793 Processes for preparing pulp and paperJan 24, 12Jan 06, 15Aikawa Iron Works Co., Ltd., NIPPON PAPER INDUSTRIES CO., LTD.,
8871057 Process for the production of nano-fibrillar cellulose suspensionsMar 30, 10Oct 28, 14FIBERLEAN TECHNOLOGIES LIMITED
8646708 Refiner with flow guide inside rotor or statorJul 01, 10Feb 11, 14VALMET TECHNOLOGIES, INC.
8313616 Used paper recycling apparatus and its constituent devicesSep 22, 06Nov 20, 12SEED COMPANY LIMITED
8133583 Fire retardant antiflux fiber and its production processMar 05, 07Mar 13, 12CHTC HELON (WEIFANG) NEW MATERIALS CO., LTD
7279073 Apparatus for liquid-based fiber separationAug 13, 02Oct 09, 07U.S. GREENFIBER, LLC
6440272 Device for mixing stock suspensionsJul 03, 00Aug 27, 02VOITH SULZER PAPIERTECHNIK PATENT GMBH
6261417 Dehydrating concentratorJan 28, 99Jul 17, 01Ishikawajima-Harima Jukogyo Kabushiki Kaisha, Ishikawajima Sangyo Kikai Kabushiki Kaisha,
6254729 Pulper with extraction plate assembly having removable inserts and method of manufacturing sameMar 22, 99Jul 03, 01Voith Sulzer Paper Technology North America, Inc.
6120648 Apparatus for pulping and deinkingDec 22, 97Sep 19, 00THERMO BLACK CLAWSON INC., A CORPORATION OF DELAWARE
6036818 Pulp-dewatering roll pressJun 08, 98Mar 14, 00SUNDS DEFIBRATOR INDUSTRIES AKTIEBOLAG
5645690 Pressure relief system for treating fibrous materials under pressureSep 11, 96Jul 08, 97MEADWESTVACO CORPORATION
4969975 Process for forming a sheet of materialFeb 24, 89Nov 13, 90The Wiggins Teape Group Limited
4931551 Dispersions of chitin and product therefromJul 05, 88Jun 05, 90UNIVERSITY OF DELAWARE
4692214 Apparatus for producing mechanical pulp with a refiner having its drive shaft connected to a steam turbine output shaftOct 29, 84Sep 08, 87KVAERNER PULPING TECHNOLOGIES AB

Showing 1 to 20 of 23 results