Patents by Inventor Angel Mei Lin Siu

Angel Mei Lin Siu 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: 6429409
    Abstract: A removable platen for a sandwich maker is heated by an electric heating element embedded in a supporting platform. The platform has an upstanding channel that surrounds the electric heating element and the platen has an integrally formed footprint that fits snugly against the upstanding channel. This provides a good heat exchanging contact surfaces for conducting heat from the heating element to the platen in use, even though the platen can he removed for cleaning and washing.
    Type: Grant
    Filed: January 8, 2001
    Date of Patent: August 6, 2002
    Assignee: Theresa International Limited
    Inventor: Angel Mei Lin Siu
  • Publication number: 20020088793
    Abstract: A removable platen for a sandwich maker is heated by an electric heating element embedded in a supporting platform. The platform has an upstanding channel that surrounds the electric heating element and the platen has an integrally formed footprint that fits snugly against the upstanding channel. This provides a good heat exchanging contact surfaces for conducting heat from the heating element to the platen in use, even though the platen can be removed for cleaning and washing.
    Type: Application
    Filed: January 8, 2001
    Publication date: July 11, 2002
    Inventor: Angel Mei Lin Siu