Patents by Inventor Joe A. Laughlin

Joe A. Laughlin 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).

  • Patent number: 5550314
    Abstract: A method of immobilizing or stabilizing lead paint contaminated construction or demolition debris in which the debris is shredded, mixed with water and a chemical, such as fly ash, lime, Portland cement or kiln dust. The treated debris is then collected and allowed to stand for a period of time sufficient for the lead paint to be converted from a soluble form to an insoluble form. Excess water may be drained and collected and the treated and lead paint stabilized debris disposed of.
    Type: Grant
    Filed: February 27, 1995
    Date of Patent: August 27, 1996
    Inventors: Joe A. Laughlin, Larry C. Thyssen