the filters being in the form of a continuous web displaceable to utilise adjacent areas consecutively

Patents Grantslast 30 patents

  • Information Patent Grant

    Automatic screen changer device

    • Patent number 10,307,953
    • Issue date Jun 4, 2019
    • ALFATECH S.R.L.
    • Luigi Panebianco
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Device and method for the filtration of viscous material

    • Patent number 6,994,795
    • Issue date Feb 7, 2006
    • Helmut Bacher
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Device for cleaning viscous material

    • Patent number 6,375,013
    • Issue date Apr 23, 2002
    • Josef Gail
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Filter device for flowable plastic material

    • Patent number 6,216,880
    • Issue date Apr 17, 2001
    • Previero N. S.R.L.
    • Flavio Previero
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Self-locking filter-screen feeding device

    • Patent number 6,149,807
    • Issue date Nov 21, 2000
    • Previero N. S.r.l.
    • Flavio Previero
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Continuous filter

    • Patent number 5,320,753
    • Issue date Jun 14, 1994
    • The Dow Chemical Company
    • Peter T. Keillor
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    High capacity filter media, method of use in filtration and method...

    • Patent number 5,308,508
    • Issue date May 3, 1994
    • Womack International, Inc.
    • Thomas H. Womack
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Filtering device for thermoplastic material

    • Patent number 4,888,110
    • Issue date Dec 19, 1989
    • Key Filters, Inc.
    • John E. Fogarty
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Continuous polymer filter

    • Patent number 4,849,113
    • Issue date Jul 18, 1989
    • William H. Hills
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Apparatus for cleaning viscous materials

    • Patent number 4,842,750
    • Issue date Jun 27, 1989
    • Lucian Britchi
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Extrusion apparatus for manufacturing foil out of plastic

    • Patent number 4,708,616
    • Issue date Nov 24, 1987
    • Franz X. Huemer
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Flowable material passage with interposable slide member

    • Patent number 4,359,387
    • Issue date Nov 16, 1982
    • Beringer Co., Inc.
    • Delano B. Trott
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Flowable material passage with interposable slide member

    • Patent number 4,237,014
    • Issue date Dec 2, 1980
    • Beringer Co., Inc.
    • Delano B. Trott
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Slide plate filters for thermoplastic and similar materials

    • Patent number 4,159,953
    • Issue date Jul 3, 1979
    • The Berlyn Corporation
    • James P. Paquette
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Automatic filter screen exchange apparatus for an extruder

    • Patent number 4,080,297
    • Issue date Mar 21, 1978
    • The Japan Steel Works, Ltd.
    • Minoru Yoshida
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Filter for plastic extruding machine

    • Patent number 4,021,346
    • Issue date May 3, 1977
    • Robert L. Berthiaume
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method of using multiple stressed sealing plugs to filter polymeric...

    • Patent number 4,010,391
    • Issue date Mar 1, 1977
    • Peter Gabor Kalman
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Filtering process and apparatus

    • Patent number 3,940,335
    • Issue date Feb 24, 1976
    • Peter Gabor Kalman
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3856674

    • Patent number 3,856,674
    • Issue date Dec 24, 1974
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3855126

    • Patent number 3,855,126
    • Issue date Dec 17, 1974
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3672507

    • Patent number 3,672,507
    • Issue date Jun 27, 1972
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3645399

    • Patent number 3,645,399
    • Issue date Feb 29, 1972
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3471017

    • Patent number 3,471,017
    • Issue date Oct 7, 1969
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    2507311

    • Patent number 2,507,311
    • Issue date May 9, 1950
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    FILTRATION DEVICE AND FILTRATION METHOD FOR POLYMER EXTRUSION

    • Publication number 20190091916
    • Publication date Mar 28, 2019
    • C M PRODUZIONE S.R.L.
    • Carmine PRINZO
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    FILTER DEVICE AND FILTER METHOD

    • Publication number 20180065288
    • Publication date Mar 8, 2018
    • Next Generation Analytics GmbH
    • Friedrich KASTNER
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    KCR SCREEN CHANGER

    • Publication number 20140353261
    • Publication date Dec 4, 2014
    • Kenneth M. Cavanagh
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    AUTOMATIC SCREEN CHANGER DEVICE

    • Publication number 20140305853
    • Publication date Oct 16, 2014
    • ALFATECH S.R.L.
    • Luigi PANEBIANCO
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Apparatus and process for extruding poly(arylene ether) blends

    • Publication number 20060021948
    • Publication date Feb 2, 2006
    • Michael F. Dolan
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Apparatus and process for extruding poly (arylene ether) blends

    • Publication number 20060021949
    • Publication date Feb 2, 2006
    • Michael F. Dolan
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Device and method for the filtration of viscous material

    • Publication number 20030178740
    • Publication date Sep 25, 2003
    • Helmut Bacher
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL