Patents by Inventor Walter E. Voisinet

Walter E. Voisinet 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: 4747240
    Abstract: Phase change materials (PCM's) having a phase change at about 10.degree. C. to 30.degree. C. are incorporated like a fine aggregate into building materials.
    Type: Grant
    Filed: August 6, 1981
    Date of Patent: May 31, 1988
    Assignee: National Gypsum Company
    Inventors: Walter E. Voisinet, Deall Daymon, John A. Slyh
  • Patent number: 4305901
    Abstract: A method is described for the extrusion of a mixture of a water-based latex emulsion, fibers and fillers.
    Type: Grant
    Filed: June 24, 1977
    Date of Patent: December 15, 1981
    Assignee: National Gypsum Company
    Inventors: David S. Prince, Walter E. Voisinet
  • Patent number: 3954555
    Abstract: A composition board consisting essentially of a resin binder in the amount of between about 10 and 45 percent by weight and filler materials in the amount of between about 90 and 55 percent by weight and having a cross section of varying depth formed as a result of differentially compacting a dry blank to a thickness which is between about 30 and 70 percent of the original thickness at an average pressure of between about 600 psi and 1500 psi at an elevated temperature which is between about 275.degree. F. and 350.degree. F. so as to cause portions which were compacted to a greater degree to exhibit a darker color than portions which were compacted to a lesser degree to thereby produce a tonal effect on said composition board.
    Type: Grant
    Filed: February 14, 1974
    Date of Patent: May 4, 1976
    Assignee: National Gypsum Company
    Inventors: Donald R. Kole, Walter E. Voisinet