by compression using inflatable membranes

Patents Grantslast 30 patents

  • Information Patent Grant

    Plate for a filter press, filter press, use of the filter press and...

    • Patent number 11,253,800
    • Issue date Feb 22, 2022
    • STRASSBURGER FILTER GMBH & CO. KG
    • Jürgen Sebastian
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Sludge dewatering device

    • Patent number 11,021,385
    • Issue date Jun 1, 2021
    • Veolia Water Solutions & Technologies Support
    • Laetitia Maillet
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter plate assembly for filter

    • Patent number 10,905,977
    • Issue date Feb 2, 2021
    • Sean R. Duby
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Method for manufacturing a recess plate

    • Patent number 10,391,426
    • Issue date Aug 27, 2019
    • Outotec (Finland) Oy
    • Bernd Böhnke
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Filter plate for a filter press

    • Patent number 9,492,767
    • Issue date Nov 15, 2016
    • JVK Filtration Systems GmbH
    • Manfred P. Hermann
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Recess plate and method for detecting membrane leakage

    • Patent number 9,370,748
    • Issue date Jun 21, 2016
    • Outotec Oyj
    • Michael Kilgus
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Dewatering of drilling mud using a filter press

    • Patent number 9,138,668
    • Issue date Sep 22, 2015
    • Daniel J. Simpson
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Filter press with integrated radio frequency heating

    • Patent number 8,535,542
    • Issue date Sep 17, 2013
    • Daniel J. Simpson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Membrane plate for a filter press

    • Patent number 7,790,027
    • Issue date Sep 7, 2010
    • JVK Filtration Systems GmbH
    • Manfred Hermann
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Method for dewatering and drying a liquid/solid slurry and an appar...

    • Patent number 5,143,609
    • Issue date Sep 1, 1992
    • Bulgarska Industrialna Stopanska Associatia
    • Beltcho A. Beltchev
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Method for dewatering and drying a liquid/solid slurry and an appar...

    • Patent number 4,999,118
    • Issue date Mar 12, 1991
    • Bulgarska Industrialna Stopanska Associatia
    • Beltcho A. Beltchev
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Method and means for pressure filtering

    • Patent number 4,900,454
    • Issue date Feb 13, 1990
    • Sala International AB
    • Hans-Goran Hedlund
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Apparatus for dewatering primary dewatered sludge pieces

    • Patent number 4,773,996
    • Issue date Sep 27, 1988
    • Hitachi Metals, Ltd.
    • Kazuo Endo
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Chamber filter press with rotor plates

    • Patent number 4,722,789
    • Issue date Feb 2, 1988
    • Baukooperation GmbH
    • Dieter Kupka
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Seamless pressure responsive diaphragm installation

    • Patent number 4,721,040
    • Issue date Jan 26, 1988
    • Filtra-Systems Company
    • Robert Mau
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Feeding device for use in filter presses

    • Patent number 4,317,724
    • Issue date Mar 2, 1982
    • Ingersoll-Rand Company
    • Donald E. Bardsley
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Single type filter press

    • Patent number 4,169,056
    • Issue date Sep 25, 1979
    • NGK Insulators, Ltd.
    • Hiroshi Sakuma
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter press

    • Patent number 3,968,039
    • Issue date Jul 6, 1976
    • Kubota Tekko Kabushiki Kaisha (Kubota, Ltd.)
    • Kazuo Inujima
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    3807567

    • Patent number 3,807,567
    • Issue date Apr 30, 1974
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    3737041

    • Patent number 3,737,041
    • Issue date Jun 5, 1973
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    3696930

    • Patent number 3,696,930
    • Issue date Oct 10, 1972
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    3613563

    • Patent number 3,613,563
    • Issue date Oct 19, 1971
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    3503326

    • Patent number 3,503,326
    • Issue date Mar 31, 1970
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    3390772

    • Patent number 3,390,772
    • Issue date Jul 2, 1968
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    3347383

    • Patent number 3,347,383
    • Issue date Oct 17, 1967
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    2932399

    • Patent number 2,932,399
    • Issue date Apr 12, 1960
    • B30 - PRESSES
  • Information Patent Grant

    1720211

    • Patent number 1,720,211
    • Issue date Jul 9, 1929
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents