Patents by Inventor David S. Wilburn

David S. Wilburn 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).

  • Wall Scrubber For Blown Insulation
    Publication number: 20080299883
    Abstract: An insulation system comprising: a supply of material having discrete elements; an applicator assembly for installation of the material having discrete elements to a surface; and a scrubber for finishing the face of the material, the scrubber including: (a) a vacuum conduit; (b) a blade assembly attached to the vacuum conduit; (c) a drive for the blade assembly; and (d) a vacuum substantially adjacent the face of the material during finishing. In the one embodiment, the system comprises a transporter system downstream of the supply of material having discrete elements for delivery of the material to the applicator assembly. Also, in one embodiment, the blade assembly comprises an axis of rotation perpendicular to the face of the material during finishing.
    Type: Application
    Filed: November 27, 2007
    Publication date: December 4, 2008
    Inventors: David J. Bowman, Patrick A. Dwyer, Benjamin D. Underwood, David S. Wilburn, Christi L. Kingsley
  • Wall scrubber for blown insulation
    Patent number: 7300521
    Abstract: An insulation system comprising: a supply of material having discrete elements; an applicator assembly for installation of the material having discrete elements to a surface; and a scrubber for finishing the face of the material, the scrubber including: (a) a vacuum conduit; (b) a blade assembly attached to the vacuum conduit; (c) a drive for the blade assembly; and (d) a vacuum substantially adjacent the face of the material during finishing. In the one embodiment, the system comprises a transporter system downstream of the supply of material having discrete elements for delivery of the material to the applicator assembly. Also, in one embodiment, the blade assembly comprises an axis of rotation perpendicular to the face of the material during finishing.
    Type: Grant
    Filed: December 8, 2004
    Date of Patent: November 27, 2007
    Assignee: U.S. Greenfiber, LLC
    Inventors: David J. Bowman, Patrick A. Dwyer, Benjamin D. Underwood, David S. Wilburn, Christi L. Kingsley