Patents by Inventor Mark Alan Shughart

Mark Alan Shughart 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).

  • Differential air pressure systems
    Patent number: 8464716
    Abstract: Described herein are various embodiments of differential air pressure systems and methods of using such systems. The differential air pressure system may comprise a chamber configured to receive a portion of a user's lower body and to create an air pressure differential upon the user's body. The differential air pressure system may further comprise a user seal that seal the pressure chamber to the user's body. The height of the user seal may be adjusted to accommodate users with various body heights.
    Type: Grant
    Filed: May 12, 2010
    Date of Patent: June 18, 2013
    Assignee: AlterG, Inc.
    Inventors: Eric Richard Kuehne, Mark Alan Shughart, Sean T. Whalen, Douglas Frank Schwandt, Robert T. Whalen