Patents by Inventor Zhang Yong Mei

Zhang Yong Mei has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • System and method for sealing a telephone handset
    Patent number: 7862673
    Abstract: A system and method for sealing around openings in a telephone handset casing in which externally facing components are positioned. An exemplary method comprises applying a bead of liquid sealant around the opening in a telephone handset casing, allowing the bead to partially cure to form a skin yet still having a malleable consistency, and placing the externally facing component against the bead to deform the bead in conformance with the surface of the component, to provide a close seal between the casing and the component.
    Type: Grant
    Filed: August 27, 2008
    Date of Patent: January 4, 2011
    Assignee: VTech Telecommunications Limited
    Inventors: Zhang Yong Mei, Zheng Yong Jian
  • SYSTEM AND METHOD FOR SEALING A TELEPHONE HANDSET
    Publication number: 20090066029
    Abstract: A system and method for sealing around openings in a telephone handset casing in which externally facing components are positioned. An exemplary method comprises applying a bead of liquid sealant around the opening in a telephone handset casing, allowing the bead to partially cure to form a skin yet still having a malleable consistency, and placing the externally facing component against the bead to deform the bead in conformance with the surface of the component, to provide a close seal between the casing and the component.
    Type: Application
    Filed: August 27, 2008
    Publication date: March 12, 2009
    Inventors: Zhang Yong Mei, Zheng Yong Jian