Patents by Inventor Mark A. Nation

Mark A. Nation 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).

  • Vehicle air wall
    Patent number: 8702481
    Abstract: A device (10) is used to maintain climate conditions within an interior space (12) of a vehicle such as an ambulance (14). The device (10) includes a blower (18) to generate an air flow and a mounting plate (20) cooperating with a cover (29) to direct the air flow across an opening (16) into the interior space to form a wall of air to prevent loss of the climate conditioned air within the interior space. The vehicle could also be a food service truck, a people transport bus and a boat.
    Type: Grant
    Filed: April 29, 2009
    Date of Patent: April 22, 2014
    Assignee: Danhard, Inc.
    Inventors: James D. Wilbourn, Mark A. Nation