Patents by Inventor James A. Doyle

James A. Doyle 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).

  • Process and apparatus for converting oil shale of tar sands to oil
    Publication number: 20020054836
    Abstract: The invention relates to a continuous process for producing synthetic crude oil from oil bearing material, e.g., oil shale or tar sand, through continuous process for producing synthetic crude oil from bituminous tar sand or shale. The process includes treating the tar sand or shale to produce a fluidizable feed, feeding the fluidizable feed to a fluidized bed reactor, and fluidizing and reacting the fluidizable feed in the fluidized bed reactor with substantially only hydrogen.
    Type: Application
    Filed: November 16, 2001
    Publication date: May 9, 2002
    Inventors: Chalmer G. Kirkbride, James A. Doyle, Fred Hildebrandt
  • Process and apparatus for converting oil shale or tar sands to oil
    Patent number: 6319395
    Abstract: The invention relates to a continuous process for producing synthetic crude oil from oil bearing material, e.g., oil shale or tar sand, through continuous process for producing synthetic crude oil from bituminous tar sand or shale. The process includes treating the tar sand or shale to produce a fluidizable feed, feeding the fluidizable feed to a fluidized bed reactor, and fluidizing and reacting the fluidizable feed in the fluidized bed reactor with substantially only hydrogen.
    Type: Grant
    Filed: March 9, 2000
    Date of Patent: November 20, 2001
    Assignee: Chattanooga Corporation
    Inventors: Chalmer G. Kirkbride, James A. Doyle, Fred Hildebrandt
  • Process and apparatus for converting oil shale or tar sands to oil
    Patent number: 6139722
    Abstract: The invention relates to a continuous process for producing synthetic crude oil from oil bearing material, e.g., oil shale or tar sand, through continuous feeding and calcining, hydrocracking and hydrogenating kerogen or bitumen.
    Type: Grant
    Filed: April 10, 1998
    Date of Patent: October 31, 2000
    Assignee: Chattanooga Corporation
    Inventors: Chalmer G. Kirkbride, James A. Doyle, Fred Hildebrandt