Patents by Inventor Maobang Tsai

Maobang Tsai 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).

  • Patent number: 7759611
    Abstract: The present invention is a portable heat sealing apparatus with a safety circuit design. The portable heat sealing apparatus comprises a body, a heating module, an upper case and a power module. The heating module and the upper case ensure a smooth, continuous bond between facing surfaces of a plastic bag.
    Type: Grant
    Filed: November 12, 2008
    Date of Patent: July 20, 2010
    Inventors: James Cheney, Maobang Tsai
  • Publication number: 20100116809
    Abstract: The present invention is a portable heat sealing apparatus with a safety circuit design. The portable heat sealing apparatus comprises a body, a heating module, an upper case and a power module. The heating module and the upper case ensure a smooth, continuous bond between facing surfaces of a plastic bag.
    Type: Application
    Filed: November 12, 2008
    Publication date: May 13, 2010
    Inventors: James Cheney, Maobang Tsai
  • Patent number: D574562
    Type: Grant
    Filed: September 27, 2007
    Date of Patent: August 5, 2008
    Assignee: Kayee M.O.House Co., Ltd.
    Inventor: Maobang Tsai
  • Patent number: D589574
    Type: Grant
    Filed: November 8, 2007
    Date of Patent: March 31, 2009
    Inventor: Maobang Tsai