Patents by Inventor Gilbert Godin

Gilbert Godin 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).

  • Manufacture of perlite insulating board on a cylinder machine
    Patent number: 4118273
    Abstract: Perlite insulation board is produced on a rotary vacuum forming machine utilizing an aqueous slurry containing ultrafine perlite particles. The fine perlite particles slow down the rate of stock deposition on the facing wire of the rotary vacuum former, and permit the rotary vacuum former to operate at a desirable forming speed.
    Type: Grant
    Filed: September 20, 1974
    Date of Patent: October 3, 1978
    Assignee: Johns-Manville Corporation
    Inventors: Gilbert Godin, Fred C. Norgard