TREA

Dian Zheng

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  • Middletown, CT, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Reverse osmosis water-on-water control valve
    • Patent number 9,950,298
    • Issue date Apr 24, 2018
    • 3M Innovative Properties Company
    • Laurence W. Bassett
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Reverse osmosis water-on-water control valve
    • Patent number 9,873,087
    • Issue date Jan 23, 2018
    • 3M Innovative Properties Company
    • Laurence W. Bassett
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Counter top water filtration system
    • Patent number 8,216,466
    • Issue date Jul 10, 2012
    • 3M Innovative Properties Company
    • Laurence W. Bassett
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

  • Information Patent Application

    FILTER HEAD, FILTER AND FILTER ASSEMBLY
    • Publication number 20240238706
    • Publication date Jul 18, 2024
    • 3M Innovative Properties Company
    • Biyong QIU
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    REVERSE OSMOSIS WATER-ON-WATER CONTROL VALVE
    • Publication number 20150083666
    • Publication date Mar 26, 2015
    • 3M Innovative Properties Company
    • Laurence W. Bassett
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    RECHARGEABLE ELECTROCHEMICAL CELLS
    • Publication number 20140251824
    • Publication date Sep 11, 2014
    • 3M Innovative Properties Company
    • Robert E. Astle
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    REVERSE OSMOSIS WATER-ON-WATER CONTROL VALVE
    • Publication number 20140102985
    • Publication date Apr 17, 2014
    • 3M Innovative Properties Company
    • Laurence W. Bassett
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Counter top water filtration system
    • Publication number 20060065607
    • Publication date Mar 30, 2006
    • Laurence W. Bassett
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL