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Richard Hai Huang

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  • West Haven, CT, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Multi-functional mortise lock
    • Patent number 7,452,012
    • Issue date Nov 18, 2008
    • Sargent Manufacturing Company
    • Richard H Huang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Multi-functional mortise lock
    • Patent number 7,188,870
    • Issue date Mar 13, 2007
    • Sargent Manufacturing Company
    • Richard Hai Huang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Mortise lock integrated trim assembly with a retracting spindle
    • Patent number 7,077,437
    • Issue date Jul 18, 2006
    • Sargent Manufacturing Company
    • Richard Hai Huang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Mortise lock status indicator
    • Patent number 6,938,445
    • Issue date Sep 6, 2005
    • Sargent Manufacturing Company
    • Richard Hai Huang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Lever handle support mechanism
    • Patent number 6,669,249
    • Issue date Dec 30, 2003
    • Sargent Manufacturing Company
    • Richard Hai Huang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Retracting spindle for mortise lock
    • Patent number 6,398,274
    • Issue date Jun 4, 2002
    • Sargent Manufacturing Company
    • Richard H. Huang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Lever handle controller
    • Patent number 6,178,794
    • Issue date Jan 30, 2001
    • Sargent Manufacturing Company
    • Darren C. Eller
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Lever handle controller for mortise lock
    • Patent number 5,992,195
    • Issue date Nov 30, 1999
    • Sargent Manufacturing Corporation
    • Richard Hai Huang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

  • Information Patent Application

    MULTI-FUNCTIONAL MORTISE LOCK
    • Publication number 20070158952
    • Publication date Jul 12, 2007
    • SARGENT MANUFACTURING COMPANY
    • Richard Hai Huang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Multi-functional mortise lock
    • Publication number 20050212301
    • Publication date Sep 29, 2005
    • Sargent Manufacturing Company
    • Richard Hai Huang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Mortise lock integrated trim assembly with a retracting spindle
    • Publication number 20050212306
    • Publication date Sep 29, 2005
    • Sargent Manufacturing Company
    • Richard Hai Huang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Mortise lock status indicator
    • Publication number 20040187533
    • Publication date Sep 30, 2004
    • Sargent Manufacturing Company
    • Richard Hai Huang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES