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Kai Zhang

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  • Cleveland, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Drain assembly and method of installation
    • Patent number 11,905,697
    • Issue date Feb 20, 2024
    • Oatey Co.
    • Matthew Valore
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    ADA-compliant pipe-insulating sleeves
    • Patent number 11,746,946
    • Issue date Sep 5, 2023
    • Oatey Co.
    • Aaron Lorkowski
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Air admittance valve
    • Patent number 11,466,442
    • Issue date Oct 11, 2022
    • Oatey Co.
    • Aaron Lorkowski
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Pipe clamp
    • Patent number 11,384,866
    • Issue date Jul 12, 2022
    • Oatey Co.
    • Kai Zhang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Bath waste and overflow systems and methods of use
    • Patent number 11,001,996
    • Issue date May 11, 2021
    • Oatey Co.
    • Shawn Heipp
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Wireform clip for use with supply valves
    • Patent number 10,975,983
    • Issue date Apr 13, 2021
    • Oatey Co.
    • Kai Zhang
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

  • Information Patent Application

    Drain Assemblies, And Related Kits And Methods
    • Publication number 20230313518
    • Publication date Oct 5, 2023
    • OATEY CO.
    • Kai ZHANG
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Application

    Drain Assembly And Method Of Installation
    • Publication number 20210363742
    • Publication date Nov 25, 2021
    • OATEY CO.
    • Matthew Valore
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    AIR ADMITTANCE VALVE
    • Publication number 20210317650
    • Publication date Oct 14, 2021
    • OATEY CO.
    • Aaron Lorkowski
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Application

    Bath Waste And Overflow Systems And Methods Of Use
    • Publication number 20210262210
    • Publication date Aug 26, 2021
    • OATEY CO.
    • Shawn Heipp
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Application

    Pipe Clamp
    • Publication number 20200232581
    • Publication date Jul 23, 2020
    • Kai Zhang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    ADA-Compliant Pipe-Insulating Sleeves
    • Publication number 20190338884
    • Publication date Nov 7, 2019
    • OATEY CO.
    • Aaron Lorkowski
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Application

    Bath Waste And Overflow Systems And Methods Of Use
    • Publication number 20180305910
    • Publication date Oct 25, 2018
    • OATEY CO.
    • Shawn Heipp
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Application

    Wireform Clip For Use With Supply Valves
    • Publication number 20180283576
    • Publication date Oct 4, 2018
    • OATEY CO.
    • Kai Zhang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...