Patents by Inventor William E. Hodges

William E. Hodges 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 the extraction and recovery of hydrocarbons from petroleum bearing materials
    Patent number: 4187167
    Abstract: The invention relates to a method and apparatus for the extraction of petroleum from tar sands, bituminous shale, and other petroleum bearing materials, and the separation of the extracted petroleum into its several fractions.
    Type: Grant
    Filed: May 12, 1978
    Date of Patent: February 5, 1980
    Inventors: Jaroslav Havlik, William E. Hodges
  • Method of making a composite natural stone veneer product
    Patent number: 3950202
    Abstract: A veneer product of a supporting stratum and a veneer of naturally-occurring, slabable stone material is provided where the thickness of the veneer of the stone material is such that it would not otherwise be generally capable of being manoeuvred or handled without breaking. Such stone material as marble, granite, and other architecturally useful and decorative materials are particularly contemplated. The supporting stratum may be such as plywood; but is more usually a cellular honeycomb material adhesively bonded to one surface of the thin stone material slab.
    Type: Grant
    Filed: June 12, 1973
    Date of Patent: April 13, 1976
    Inventor: William E. Hodges