Patents by Inventor Ken Ruble

Ken Ruble 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).

  • Six degrees of freedom free-motion test apparatus
    Patent number: 9228917
    Abstract: The present invention is a test object apparatus for testing space objects. The test apparatus provides the space object with six degrees of freedom for testing. The test apparatus is statically balanced in order to achieve a microgravity condition for testing.
    Type: Grant
    Filed: January 14, 2013
    Date of Patent: January 5, 2016
    Assignee: Arrowhead Center, Inc.
    Inventors: Ou Ma, Ken Ruble
  • Multi-degree-of-freedom test stand for unmanned air vehicles
    Patent number: 8353199
    Abstract: The invention is a multiple degree-of-freedom test stand for unmanned air vehicles, and is particularly useful for small or micro unmanned air vehicles. The stand is gravity balanced using springs such that no weight of any part of the stand becomes a burden to the tested vehicle when it flies while constrained to the stand. A joint and a plurality of members are used to enable multiple degrees of freedom.
    Type: Grant
    Filed: April 19, 2010
    Date of Patent: January 15, 2013
    Assignee: Arrowhead Center, Inc.
    Inventors: Ou Ma, Carlos E. Ortega, Ken Ruble, Qi Lu