Patents by Inventor Don Robert Hilsen

Don Robert Hilsen 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).

  • Patent number: 9289337
    Abstract: A curved wheelchair ramp for ride vehicles of an amusement park attraction, ride, or other environment is provided. In one embodiment, the wheelchair ramp is maneuverable between a retracted position and an extended position. In the retracted position, the wheelchair ramp may form a door to the ride vehicle. In the extended position, the wheelchair ramp extends, in a curve, between an access opening of the ride vehicle to a station platform. In various embodiments, the ramp may have a first segment, a second segment, and a third segment. The segments may fold together or may nest together.
    Type: Grant
    Filed: September 16, 2008
    Date of Patent: March 22, 2016
    Assignee: DISNEY ENTERPRISES, INC.
    Inventors: Joel L. Fritsche, Don Robert Hilsen, William Lawrence Wolf, Charles Albert Flueck
  • Publication number: 20100066111
    Abstract: A curved wheelchair ramp for ride vehicles of an amusement park attraction, ride, or other environment is provided. In one embodiment, the wheelchair ramp is maneuverable between a retracted position and an extended position. In the retracted position, the wheelchair ramp may form a door to the ride vehicle. In the extended position, the wheelchair ramp extends, in a curve, between an access opening of the ride vehicle to a station platform. In various embodiments, the ramp may have a first segment, a second segment, and a third segment. The segments may fold together or may nest together.
    Type: Application
    Filed: September 16, 2008
    Publication date: March 18, 2010
    Applicant: Disney Enterprises, Inc.
    Inventors: Joel L. Fritsche, Don Robert Hilsen, William Lawrence Wolf, Charles Albert Flueck