Patents by Inventor James P. Bouchard

James P. Bouchard 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).

  • Lightweight insulating concrete
    Patent number: 4373955
    Abstract: A lightweight insulating concrete having a K value of not more than 0.75, a compressive strength of at least 125 psi and consisting essentially of portland cement, pumice, silica and pulping waste liquor solids.A method of producing a foamed insulating concrete comprising incorporating a hydrolyzed protein based aqueous foam in a slurry of portland cement, pumice, silica, pulping waste liquor and water to form a foamed concrete slurry and then curing the concrete slurry to a solid rigid concrete.
    Type: Grant
    Filed: November 4, 1981
    Date of Patent: February 15, 1983
    Assignee: Chicago Bridge & Iron Company
    Inventors: James P. Bouchard, John D. Farrell