Patents by Inventor Exum Griffin

Exum Griffin 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).

  • Low pressure fluidized horizontal and vertical movement device
    Patent number: 8893324
    Abstract: Transfer pads for horizontal and/or vertical translocation are provided. The transfer pads include the fewest possible number of components required to provide a plenum chamber, the operative features of which are controlled at least by the provision of one or more interior sheets having specific characteristics with respect to position, perforation and attachment.
    Type: Grant
    Filed: August 6, 2010
    Date of Patent: November 25, 2014
    Assignee: Gray Tek LLC
    Inventors: Exum Griffin, Raynor A. Johnson
  • LOW PRESSURE FLUIDIZED HORIZONTAL AND VERTICAL MOVEMENT DEVICE
    Publication number: 20120131746
    Abstract: Transfer pads for horizontal and/or vertical translocation are provided. The transfer pads include the fewest possible number of components required to provide a plenum chamber, the operative features of which are controlled at least by the provision of one or more interior sheets having specific characteristics with respect to position, perforation and attachment.
    Type: Application
    Filed: August 6, 2010
    Publication date: May 31, 2012
    Applicant: GRAY TEK LLC
    Inventors: Exum Griffin, Raynor A. Johnson