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  • CPC
  • D21B1/068
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Parent Industries

DTEXTILES PAPER D21Papermaking D21BFIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT D21B1/00Fibrous raw materials or their mechanical treatment

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D21B1/068by cutting actions
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Process for producing a flaked thermal-insulating and/or acoustic-i...
    • Patent number 10,753,044
    • Issue date Aug 25, 2020
    • ENERPAPER S.R.L.
    • Davide Contu
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Crushing mill for crushing fibrous material and a unit for forming...
    • Patent number 10,166,698
    • Issue date Jan 1, 2019
    • GDM S.p.A.
    • Matteo Piantoni
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Sheet manufacturing apparatus
    • Patent number 10,081,913
    • Issue date Sep 25, 2018
    • Seiko Epson Corporation
    • Naoko Omagari
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Sheet manufacturing apparatus and sheet manufacturing method
    • Patent number 9,771,685
    • Issue date Sep 26, 2017
    • Seiko Epson Corporation
    • Naoko Omagari
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Sheet manufacturing apparatus
    • Patent number 9,045,857
    • Issue date Jun 2, 2015
    • Seiko Epson Corporation
    • Katsuhito Gomi
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Method of making paper
    • Patent number 8,449,720
    • Issue date May 28, 2013
    • Stora Enso Oyj
    • Kalle Ekman
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Pulp flaker
    • Patent number 7,291,244
    • Issue date Nov 6, 2007
    • Weyerhaeuser Company
    • Ramon C. DeZutter
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Hammermill
    • Patent number 6,860,440
    • Issue date Mar 1, 2005
    • Weyerhaeuser Company
    • Ray Crane
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Nose bar deflector for fiberizing hammermill
    • Patent number 5,560,553
    • Issue date Oct 1, 1996
    • Weyerhaeuser Company
    • Ray Crane
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Method of making a liquid feedstock from a plurality of pulp sheet...
    • Patent number 5,484,508
    • Issue date Jan 16, 1996
    • Courtaulds Fibres (Holdings) Ltd.
    • Philip J. Urwin
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Comminuting wood pulp sheeting
    • Patent number 5,375,780
    • Issue date Dec 27, 1994
    • Courtaulds Fibres (Holdings) Ltd.
    • Gary E. G. Gray
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    Fiber separation from pulp sheet stacks
    • Patent number 4,241,881
    • Issue date Dec 30, 1980
    • Kimberly-Clark Corporation
    • Edward P. Laumer
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Bale loader for fluff generator
    • Patent number 4,141,509
    • Issue date Feb 27, 1979
    • Curt G. Joa, Inc.
    • Edmund A. Radzins
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Method and apparatus for producing defibrated cellulose fluff from...
    • Patent number 3,967,785
    • Issue date Jul 6, 1976
    • Curt G. Joa, Inc.
    • George S. Grosch
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    2310236
    • Patent number 2,310,236
    • Issue date Feb 9, 1943
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2310235
    • Patent number 2,310,235
    • Issue date Feb 9, 1943
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2298292
    • Patent number 2,298,292
    • Issue date Oct 13, 1942
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1688297
    • Patent number 1,688,297
    • Issue date Oct 16, 1928
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

  • Information Patent Application

    SOLID PHASE MATRIX FOR CROP PROTECTION
    • Publication number 20230389543
    • Publication date Dec 7, 2023
    • North Carolina State University
    • Richard H. GUENTHER
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Application

    PROCESS FOR PRODUCING A FLAKED THERMAL-INSULATING AND/OR ACOUSTIC-I...
    • Publication number 20190145051
    • Publication date May 16, 2019
    • Davide CONTU
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SHEET MANUFACTURING APPARATUS
    • Publication number 20170350073
    • Publication date Dec 7, 2017
    • SEIKO EPSON CORPORATION
    • Naoko OMAGARI
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Application

    SHEET MANUFACTURING APPARATUS
    • Publication number 20140290887
    • Publication date Oct 2, 2014
    • SEIKO EPSON CORPORATION
    • Katsuhito GOMI
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Application

    METHOD OF MAKING PAPER
    • Publication number 20120090798
    • Publication date Apr 19, 2012
    • STORA ENSO OYJ
    • Kalle Ekman
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Application

    Pulp flaker
    • Publication number 20080001011
    • Publication date Jan 3, 2008
    • Weyerhaeuser Co.
    • Ramon C. DeZutter
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Application

    Pulp flaker
    • Publication number 20050067121
    • Publication date Mar 31, 2005
    • Ramon C. Dezutter
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Application

    Hammermill
    • Publication number 20040129808
    • Publication date Jul 8, 2004
    • Ray Crane
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE