TREA

Hammer mills

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Industry

  • CPC
  • D21D1/32
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Parent Industries

DTEXTILES PAPER D21Papermaking D21DTREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE D21D1/00Methods of beating or refining Beaters of the Hollander type

Current Industry

D21D1/32Hammer mills
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Method for processing grass for manufacturing paper, paperboard and...
    • Patent number 10,196,775
    • Issue date Feb 5, 2019
    • Uwe D'Agnone
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Method and apparatus for producing product from stock pulp sheet
    • Patent number 9,023,180
    • Issue date May 5, 2015
    • Unicharm Corporation
    • Hitoshi Hadejiri
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Method and apparatus for producing product from stock pulp sheet
    • Patent number 8,388,810
    • Issue date Mar 5, 2013
    • Uni-Charm Corporation
    • Hitoshi Hadejiri
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Process for singulating cellulose fibers from a wet pulp sheet
    • Patent number 7,399,377
    • Issue date Jul 15, 2008
    • Weyerhaeuser Co.
    • Ray Crane
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Nits separator
    • Patent number 7,134,859
    • Issue date Nov 14, 2006
    • M & J Fibretech A/S
    • Birger Elmgaard Sørensen
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Twin-flow beater mill for preparing fibrous materials
    • Patent number 5,263,653
    • Issue date Nov 23, 1993
    • Pallmann Maschinenfabrik GmbH & Co. KG
    • Wilhelm Pallmann
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Fiberizing apparatus
    • Patent number 5,253,815
    • Issue date Oct 19, 1993
    • Weyerhaeuser Company
    • Mark W. Bowns
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Apparatus for separating the components of cellulose sanitary articles
    • Patent number 4,664,320
    • Issue date May 12, 1987
    • Bert Steffens
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Method and apparatus for separating the components of cellulose san...
    • Patent number 4,500,040
    • Issue date Feb 19, 1985
    • Bert Steffens
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Screening apparatus
    • Patent number 4,303,207
    • Issue date Dec 1, 1981
    • Sunds Defibrator Aktiebolag
    • Alf I. Lindstrom
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Apparatus for processing cellulose insulation
    • Patent number 4,228,964
    • Issue date Oct 21, 1980
    • Easy Engineering Corporation
    • John H. Brady
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Apparatus for producing disintegrated material, preferably pulp
    • Patent number 4,199,114
    • Issue date Apr 22, 1980
    • Arne Asplund
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Stock pulper
    • Patent number 3,945,576
    • Issue date Mar 23, 1976
    • Escher Wyss GmbH
    • Albrecht Kahmann
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Stock pulper
    • Patent number 3,942,728
    • Issue date Mar 9, 1976
    • Escher Wyss GmbH
    • Alfred Christ
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3854667
    • Patent number 3,854,667
    • Issue date Dec 17, 1974
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3682398
    • Patent number 3,682,398
    • Issue date Aug 8, 1972
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3599881
    • Patent number 3,599,881
    • Issue date Aug 17, 1971
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3547357
    • Patent number 3,547,357
    • Issue date Dec 15, 1970
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3525477
    • Patent number 3,525,477
    • Issue date Aug 25, 1970
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3513890
    • Patent number 3,513,890
    • Issue date May 26, 1970
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3506202
    • Patent number 3,506,202
    • Issue date Apr 14, 1970
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3503846
    • Patent number 3,503,846
    • Issue date Mar 31, 1970
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3489356
    • Patent number 3,489,356
    • Issue date Jan 13, 1970
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3486702
    • Patent number 3,486,702
    • Issue date Dec 30, 1969
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3474972
    • Patent number 3,474,972
    • Issue date Oct 28, 1969
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3455516
    • Patent number 3,455,516
    • Issue date Jul 15, 1969
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3432107
    • Patent number 3,432,107
    • Issue date Mar 11, 1969
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3428261
    • Patent number 3,428,261
    • Issue date Feb 18, 1969
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3342425
    • Patent number 3,342,425
    • Issue date Sep 19, 1967
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3295769
    • Patent number 3,295,769
    • Issue date Jan 3, 1967
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents