Patents by Inventor Walter Leeper

Walter Leeper 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).

  • Faced mineral fiber insulation board with integral glass fabric layer
    Publication number: 20050112966
    Abstract: A method of insulating ducts is described including laminating a reinforcement fabric to a fibrous insulation board, lifting at least a portion of the reinforcement fabric from the fibrous insulation board, applying a first layer of a mastic coating to the fibrous insulation board, embedding the reinforcement fabric into the first layer of mastic coating, and applying a second layer of the mastic coating to the outside surface of the reinforcement fabric. The reinforcement fabric is laminated to the fibrous insulation board using an adhesive material.
    Type: Application
    Filed: November 20, 2003
    Publication date: May 26, 2005
    Inventors: Murray Toas, Walter Leeper, Steve Archibald, John Ward