Patents by Inventor William Joseph Stack

William Joseph Stack 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: 8347781
    Abstract: A food cooling device includes a cover, an electric motor powering a fan, and an automatic switch. The cover defines air intake openings beneath a motor housing, a bottom orifice, and vents between the air intake openings and the orifice. The bottom opening rests on a table, covering a plate containing hot food. A fan blade directs air toward the food, the air cools the food, and the heated air escapes through the vents. The cooling device is portable, light in weight, and easy to operate, making it suitable for use by small children as well as handicapped persons of all ages.
    Type: Grant
    Filed: October 4, 2007
    Date of Patent: January 8, 2013
    Inventor: William Joseph Stack