Patents by Inventor Peter C. Wheatley

Peter C. Wheatley 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).

  • Heat treatment of material
    Patent number: 4455285
    Abstract: A method for heat treating a material such as gypsum mineral, consists in burning a fuel in a combustion bed which is in heat exchange contact through bounding walls with beds of the material to be heated. Combustion gases are passed from the combustor through the heat treatment vessels containing beds and these gases then serve to fluidize at least partly and add heat to the beds through the agency of distributors.
    Type: Grant
    Filed: April 6, 1981
    Date of Patent: June 19, 1984
    Inventors: David W. Watkins, Peter C. Wheatley, William G. Kaye