Anti-leakage or anti-return valves

Industry

  • CPC
  • B01D35/153
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    FILTER CARTRIDGE AND FILTER HAVING SAME

    • Publication number 20240375026
    • Publication date Nov 14, 2024
    • 3M Innovative Properties Company
    • Biyong QIU
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTER PURGE AND MAINTENANCE CONTROL SYSTEM

    • Publication number 20240375030
    • Publication date Nov 14, 2024
    • Pitco Frialator, Inc.
    • Jared C. Perkins
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    FILTER ELEMENT AND FILTER SYSTEM HAVING RADIAL FLOW BYPASS CHANNELS...

    • Publication number 20240350947
    • Publication date Oct 24, 2024
    • Mann + Hummel GmbH
    • Christopher BAUMANN
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTER DEVICE

    • Publication number 20240299868
    • Publication date Sep 12, 2024
    • MAHLE International GmbH
    • Andreas Kollmann
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    MICROPLASTIC FILTER FOR A WASHING MACHINE

    • Publication number 20240229338
    • Publication date Jul 11, 2024
    • HENGST SE
    • Andreas Stephan
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Application

    FLOW PATH ASSEMBLY FOR WATER PURIFIER

    • Publication number 20240198260
    • Publication date Jun 20, 2024
    • COWAY CO., LTD.
    • Sanggu SIM
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTER ASSEMBLY FOR EARTH RETAINING STRUCTURES

    • Publication number 20240181375
    • Publication date Jun 6, 2024
    • Jet Filter Systems, LLC
    • David HEILMAN
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    MICROPLASTIC FILTER FOR A WASHING MACHINE

    • Publication number 20240133111
    • Publication date Apr 25, 2024
    • HENGST SE
    • Andreas Stephan
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Application

    FUEL PRE-FILTER MODULE, FILTER ELEMENT AND FILTER HEAD WITH A PRIMI...

    • Publication number 20240042354
    • Publication date Feb 8, 2024
    • Mann + Hummel GmbH
    • Marcos Vicente Georgetti Marcondes
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    GRAVITY-FED FILTER INTERCONNECT UTILIZING CODED POLYMAGNETS

    • Publication number 20230398476
    • Publication date Dec 14, 2023
    • KX TECHNOLOGIES LLC
    • Robert Astle
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Liquid Filter with a Clean-Side Stop Valve as well as an Assembly w...

    • Publication number 20230390676
    • Publication date Dec 7, 2023
    • Mann + Hummel GmbH
    • Christian VOGT
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FLUID FILTER ANTI-PREFILL DEVICE

    • Publication number 20230356122
    • Publication date Nov 9, 2023
    • Caterpillar Inc.
    • Jon Tyler Immel
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTER ELEMENT

    • Publication number 20230330576
    • Publication date Oct 19, 2023
    • Parker-Hannifin Corporation
    • Ralle Rookey
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTER DEVICE

    • Publication number 20230332567
    • Publication date Oct 19, 2023
    • MAHLE International GmbH
    • Michael Braunheim
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    HIGH CAPACITY OIL FILTER

    • Publication number 20230279794
    • Publication date Sep 7, 2023
    • K&N Engineering, Inc.
    • Steve Williams
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    FLUID FILTER SYSTEM WITH AUTO DRAIN

    • Publication number 20230271121
    • Publication date Aug 31, 2023
    • Axi International
    • Abel Perez DE ALDERETE
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTER WITH CENTERING

    • Publication number 20230271116
    • Publication date Aug 31, 2023
    • ACLARIS WATER INNOVATIONS GMBH, LINDAU, ZWEIGNIEDERLASSUNG REBSTEIN
    • Kurt WALLERSTORFER
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTER ELEMENT, FILTER HEAD, AND FILTER SYSTEM

    • Publication number 20230271120
    • Publication date Aug 31, 2023
    • Donaldson Company, Inc.
    • Erwin VERBELEN
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTER DEVICE

    • Publication number 20230264125
    • Publication date Aug 24, 2023
    • HYDAC FILTERTECHNIK GMBH
    • Michael SAKRASCHINSKY
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    WATER TANK WITH FILTER CARTRIDGE

    • Publication number 20230256366
    • Publication date Aug 17, 2023
    • ACLARIS WATER INNOVATIONS GMBH, LINDAU, ZWEIGNIEDERLASSUNG REBSTEIN
    • Kurt WALLERSTORFER
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Application

    POSITIVE-PRESSURE NON-AGITATING LIQUID FILTRATION

    • Publication number 20230226471
    • Publication date Jul 20, 2023
    • John Edgar Scragg
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Water Filtration System and Method

    • Publication number 20230139571
    • Publication date May 4, 2023
    • Pentair Residential Filtration, LLC
    • Richard Reckin
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    BIOLOGICAL FILTRATION SYSTEMS AND CONTROLLING METHODS THEREOF

    • Publication number 20230131609
    • Publication date Apr 27, 2023
    • ALIT BIOTECH (SHANGHAI) CO., LTD.
    • Yu LIU
    • C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
  • Information Patent Application

    HANG ON BACK FILTERING UNIT FOR AQUARIUM TANK

    • Publication number 20230105297
    • Publication date Apr 6, 2023
    • ASKOLL HOLDING S.r.l. a socio unico
    • Elio Marioni
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTER VALVE ASSEMBLY

    • Publication number 20230101135
    • Publication date Mar 30, 2023
    • Collins Engine Nozzles, Inc.
    • Marek JEDLIÑSKI
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTERING SYSTEM, IN PARTICULAR FOR A WASHING OR DRYING MACHINE, SU...

    • Publication number 20230078618
    • Publication date Mar 16, 2023
    • Elbi International S.P.A.
    • Marco BECCHIO
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    LIQUID FILTER EQUIPPED WITH AN ANTI-LEAKAGE VALVE

    • Publication number 20230038331
    • Publication date Feb 9, 2023
    • VOLVO TRUCK CORPORATION
    • Baptiste BOUTIN
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    WATER PURIFICATION FILTER ELEMENT AND HOUSEHOLD WATER PURIFIER

    • Publication number 20230033882
    • Publication date Feb 2, 2023
    • YUNDA H&H TECH (Tianjin) CO., LTD.
    • Enyu Wei
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTER CARTRIDGE WITH VALVE MEMBER AND METHODS

    • Publication number 20230023624
    • Publication date Jan 26, 2023
    • Donaldson Company, Inc.
    • Michael J. Gustafson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    OIL PRESSURE SUPPLY DEVICE

    • Publication number 20230026991
    • Publication date Jan 26, 2023
    • JATCO Ltd
    • Tomoko SUGANO
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL