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  • CPC
  • D21F3/083
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DTEXTILES PAPER D21Papermaking D21FPAPER-MAKING MACHINES METHODS OF PRODUCING PAPER THEREON D21F3/00Press section of machines for making continuous webs of paper

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D21F3/083perforated
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Patents Grantslast 30 patents

  • Information Patent Grant

    Roll cover, roll, and use of said roll
    • Patent number 11,499,037
    • Issue date Nov 15, 2022
    • Voith Patent GmbH
    • Franz Grohmann
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Press roll comb plate and related method
    • Patent number 9,803,319
    • Issue date Oct 31, 2017
    • Andritz Inc.
    • Gregory Hallas
    • B30 - PRESSES
  • 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

    Press jacket and method for treating a material web
    • Patent number 6,416,630
    • Issue date Jul 9, 2002
    • Voith Sulzer Papiertechnik Patent GmbH
    • Uwe Matuschczyk
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Anti-rewet deck for press rolls
    • Patent number 5,470,471
    • Issue date Nov 28, 1995
    • Ingersoll-Rand Company
    • Oscar Luthi
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Method of making squeezing roll and squeezing equipment
    • Patent number 4,866,826
    • Issue date Sep 19, 1989
    • Makoto Koide
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Suction press roll
    • Patent number 4,366,025
    • Issue date Dec 28, 1982
    • Beloit Corporation
    • Ambrose L. Gordon
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Restoration of suction press shells
    • Patent number 3,975,814
    • Issue date Aug 24, 1976
    • Sidney Stewart Harrowing
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3447451
    • Patent number 3,447,451
    • Issue date Jun 3, 1969
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3187409
    • Patent number 3,187,409
    • Issue date Jun 8, 1965
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    2972378
    • Patent number 2,972,378
    • Issue date Feb 21, 1961
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2311854
    • Patent number 2,311,854
    • Issue date Feb 23, 1943
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents