Patents by Inventor Yung-Lang Tsay

Yung-Lang Tsay 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).

  • Charcoal stove casing set
    Patent number: 4899721
    Abstract: A charcoal stove casing set including a presspaper casing provided with a solid alcohol trough and a match stick fire striking assembly, the casing having an inner space for receiving a mixture of charcoal chips, wood flour and black earth formed with a plurality of vent holes communicating with a bottom groove disposed to receive the alcohol trough, the vent holes and bottom groove providing air circulation for supporting combustion.
    Type: Grant
    Filed: March 30, 1989
    Date of Patent: February 13, 1990
    Inventor: Yung-Lang Tsay