Patents by Inventor Benjamin D. Underwood

Benjamin D. Underwood 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).

  • Dense packed sampling tool
    Patent number: 7681467
    Abstract: A sampling apparatus for taking a core sample of dense packed fibrous material including: (a) a generally cylindrical sampling tube open on its distal end, wherein the length of the sampling tube is greater than the sample length; (b) at least one exhaust port outside the sampling length adjacent to its proximate end; (c) a ram rod movable from the proximate end to the distal end of the sampling tube for discharging a sample from the sampling tube; and (d) a drive attached to the proximate end of the sampling tube for aiding in sampling.
    Type: Grant
    Filed: December 27, 2005
    Date of Patent: March 23, 2010
    Assignee: US GreenFiber, LLC
    Inventors: David J. Bowman, Benjamin D. Underwood, Bohdan Boyko
  • 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