Patents by Inventor Nelson Albert Warner

Nelson Albert Warner 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).

  • Door insert for balancing air pressure
    Patent number: 8662971
    Abstract: The door insert of the present invention balances air pressure in a closed environment. It includes a frame that defines a slot. A pair of tabs emanates from opposing sides of the frame to attach the frame to a door. Media, which has a plurality of apertures therethrough, resides in the slot. The frame, with media installed therein resides within a notch in an edge of a door. Air is permitted to flow through the door insert to balance the air pressure within an environment divided by the door. The frame is preferably ABS plastic and the media is preferably paper. The appearance of the frame and media may be modified to aesthetically match the decor of the door, door hardware and surrounding environment.
    Type: Grant
    Filed: January 28, 2011
    Date of Patent: March 4, 2014
    Assignee: Tamarack Technologies, Inc.
    Inventor: Nelson Albert Warner
  • DOOR INSERT FOR BALANCING AIR PRESSURE
    Publication number: 20120003914
    Abstract: The door insert of the present invention balances air pressure in a closed environment. It includes a frame that defines a slot. A pair of tabs emanates from opposing sides of the frame to attach the frame to a door. Media, which has a plurality of apertures therethrough, resides in the slot. The frame, with media installed therein resides within a notch in an edge of a door. Air is permitted to flow through the door insert to balance the air pressure within an environment divided by the door. The frame is preferably ABS plastic and the media is preferably paper. The appearance of the frame and media may be modified to aesthetically match the decor of the door, door hardware and surrounding environment.
    Type: Application
    Filed: January 28, 2011
    Publication date: January 5, 2012
    Applicant: TAMARACK TECHNOLOGIES, INC.
    Inventor: Nelson Albert Warner