Patents by Inventor Dale F. Levy

Dale F. Levy 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).

  • Stabilizing open graded asphalt-concrete
    Patent number: 4002412
    Abstract: A method is provided for stabilizing an open graded course of asphalt-concrete against lateral displacement under a moving load. The method which is suitable for use during construction of the asphalt-concrete course or on courses already completed is carried out by causing particulate matter of suitable size to be passed into the interstices of the asphalt-concrete course and then consolidating this particulate matter within the interstices using an emulsion of a thermoplastic elastomer, a resinous material and a polar solvent which upon curing forms a stabilized course.
    Type: Grant
    Filed: March 27, 1975
    Date of Patent: January 11, 1977
    Assignee: Phillips Petroleum Company
    Inventors: Richard J. Bennett, Lew T. Gray, Dale F. Levy