Patents by Inventor Patrick L. Stone

Patrick L. Stone 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).

  • Method and apparatus for destructive distillation of solid wastes and recovery of distilled products
    Patent number: 3983009
    Abstract: A process for destructive distillation of solid wastes and an apparatus for achieving the process whereby organic solid waste material which has been shredded, is exposed to a pyrolytic process to remove water and organic materials by a pyrolytic process wherein the off gases, after having been fractionally distilled to extract useable combustion products, are recycled through the process to enhance the destructive distillation of the solid waste material.
    Type: Grant
    Filed: March 25, 1974
    Date of Patent: September 28, 1976
    Inventors: David A. Neal, Patrick L. Stone