by using pistons

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  • CPC
  • B01D29/665
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Patents Grantslast 30 patents

  • Information Patent Grant

    Filtering apparatus

    • Patent number 11,058,975
    • Issue date Jul 13, 2021
    • Hydac Process Technology GmbH
    • Ralf Wnuk
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    System for filtering fluids

    • Patent number 11,020,692
    • Issue date Jun 1, 2021
    • Hydac Process Technology GmbH
    • Markus Breinig
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Self cleaning disc filter apparatus

    • Patent number 10,549,222
    • Issue date Feb 4, 2020
    • TAVLIT PLASTIC LTD.
    • Dani Peleg
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter apparatus

    • Patent number 10,537,834
    • Issue date Jan 21, 2020
    • HYDAC PROCESS TECHNOLOGY
    • Ralf Wnuk
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter device

    • Patent number 10,029,194
    • Issue date Jul 24, 2018
    • Hydac Process Technology GmbH
    • Ralf Wnuk
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filtering apparatus

    • Patent number 9,855,520
    • Issue date Jan 2, 2018
    • Hydac Process Technology GmbH
    • Ralf Wnuk
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filtering device for high-viscosity fluids

    • Patent number 9,504,938
    • Issue date Nov 29, 2016
    • NORDSON HOLDINGS S.A.R.L. & CO. KG
    • Stefan Woestmann
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Self purge filtration apparatus for discharge to subatmospheric con...

    • Patent number 9,415,332
    • Issue date Aug 16, 2016
    • Eaton Corporation
    • Brandon L. Shaw
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Bernoulli filter

    • Patent number 9,327,218
    • Issue date May 3, 2016
    • Georg Schunemann GmbH
    • Wolfgang Linster
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Self-cleaning filter and filtration system for lubricants

    • Patent number 9,162,165
    • Issue date Oct 20, 2015
    • Remy Mangano
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Cylindrical back washing purification apparatus

    • Patent number 8,585,897
    • Issue date Nov 19, 2013
    • Xun Wang
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Double diffuser with backflush pistons

    • Patent number 4,971,694
    • Issue date Nov 20, 1990
    • Kamyr AB
    • Ole J. Richter
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3738489

    • Patent number 3,738,489
    • Issue date Jun 12, 1973
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    3589520

    • Patent number 3,589,520
    • Issue date Jun 29, 1971
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    3221888

    • Patent number 3,221,888
    • Issue date Dec 7, 1965
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    3077989

    • Patent number 3,077,989
    • Issue date Feb 19, 1963
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    2338417

    • Patent number 2,338,417
    • Issue date Jan 4, 1944
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Reciprocating Pressure Backwash Anti-blocking Filter

    • Publication number 20190336892
    • Publication date Nov 7, 2019
    • Xiao Jun ZHANG
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTER APPARATUS

    • Publication number 20180257010
    • Publication date Sep 13, 2018
    • HYDAC PROCESS TECHNOLOGY GMBH
    • Ralf WNUK
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    SYSTEM FOR FILTERING FLUIDS

    • Publication number 20180008913
    • Publication date Jan 11, 2018
    • Markus BREINIG
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    WATER PURIFIER

    • Publication number 20170174528
    • Publication date Jun 22, 2017
    • Yinhuan SUN
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Outdoor Water Purifier with Backwashing Function

    • Publication number 20170066659
    • Publication date Mar 9, 2017
    • DongGuan Diercon Technology Co., Ltd.
    • Yinhuan SUN
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    SELF CLEANING DISC FILTER APPARATUS

    • Publication number 20160166954
    • Publication date Jun 16, 2016
    • TAVLIT PLASTIC LTD.
    • Dani PELEG
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTRATION SYSTEMS HAVING FRONT FLUSH SUBSYSTEMS

    • Publication number 20150246300
    • Publication date Sep 3, 2015
    • CARDEN WATER SYSTEMS, LLC
    • Dennis Chancellor
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    SELF PURGE FILTRATION APPARATUS FOR DISCHARGE TO SUBATMOSPHERIC CON...

    • Publication number 20150174513
    • Publication date Jun 25, 2015
    • EATON CORPORATION
    • Brandon L. Shaw
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTERING DEVICE FOR HIGH-VISCOSITY FLUIDS

    • Publication number 20140332460
    • Publication date Nov 13, 2014
    • Kreyenborg Verwaltungen und Beteiligungen GmbH & Co. KG
    • Stefan Woestmann
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    FILTERING APPARATUS

    • Publication number 20140202938
    • Publication date Jul 24, 2014
    • Ralf Wnuk
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTERING APPARATUS

    • Publication number 20140091021
    • Publication date Apr 3, 2014
    • HYDAC PROCESS TECHNOLOGY GMBH
    • Ralf Wnuk
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTER DEVICE

    • Publication number 20130292321
    • Publication date Nov 7, 2013
    • HYDAC PROCESS TECHNOLOGY GMBH
    • Ralf Wnuk
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Bernoulli filter

    • Publication number 20120255915
    • Publication date Oct 11, 2012
    • GEORG SCHUNEMANN GMBH
    • Wolfgang Linster
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    CYLINDRICAL BACK WASHING PURIFICATION APPARATUS

    • Publication number 20110253617
    • Publication date Oct 20, 2011
    • Xun Wang
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Self-Cleaning Filter and Filtration System for Lubricants

    • Publication number 20110132833
    • Publication date Jun 9, 2011
    • Remy Mangano
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL