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George F. Cheung

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  • La Mirada, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vacuum pump valve
    • Patent number 7,726,505
    • Issue date Jun 1, 2010
    • George F. Cheung
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Food purifier
    • Patent number 7,347,139
    • Issue date Mar 25, 2008
    • Intelli Innovations Ltd.
    • George F. Cheung
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
  • Information Patent Grant

    Portable vacuum device
    • Patent number 7,272,919
    • Issue date Sep 25, 2007
    • Intelli Innovations Ltd.
    • George F. Cheung
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Portable vacuum device
    • Patent number 7,127,875
    • Issue date Oct 31, 2006
    • Intelli Innovations Ltd.
    • George F. Cheung
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Vacuum pump valve
    • Patent number 7,108,147
    • Issue date Sep 19, 2006
    • Intelli Innovations Ltd.
    • George F. Cheung
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Portable vacuum device
    • Publication number 20060248861
    • Publication date Nov 9, 2006
    • George F. Cheung
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    Vacuum pump valve
    • Publication number 20060239837
    • Publication date Oct 26, 2006
    • George F. Cheung
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Zip lock
    • Publication number 20060165316
    • Publication date Jul 27, 2006
    • Intelli Innovations Ltd.
    • George F. Cheung
    • A44 - HABERDASHERY JEWELLERY
  • Information Patent Application

    Ozone-vacuum food storage system and method thereof
    • Publication number 20060150829
    • Publication date Jul 13, 2006
    • Intelli Innovations, Ltd.
    • George F. Cheung
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    Vacuum pump valve
    • Publication number 20060118168
    • Publication date Jun 8, 2006
    • George F. Cheung
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Food purifier
    • Publication number 20050238776
    • Publication date Oct 27, 2005
    • George F. Cheung
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
  • Information Patent Application

    Portable vacuum device
    • Publication number 20050039421
    • Publication date Feb 24, 2005
    • George F. Cheung
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL