Patents by Inventor Richard T. Bishop

Richard T. Bishop 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).

  • Soil treatment method
    Patent number: 4072020
    Abstract: The invention relates to a method of aggregating sands to an appreciable depth so that they can be used, inter alia, for runways, roadways and the like, the method comprising applying a polymer emulsion to a body of sand in a large volume of water containing a stabilizer which ensures distribution of the polymer throughout a substantial depth and prevention of migration of the polymer as the water evaporates, thereby forming bonds between adjacent sand particles, and allowing the sand to dry.
    Type: Grant
    Filed: March 10, 1976
    Date of Patent: February 7, 1978
    Assignee: Revertex (South Africa) (Proprietary) Limited
    Inventor: Richard T. Bishop