Patents by Inventor Donald R. Boerner

Donald R. Boerner 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).

  • Two axis caging system
    Patent number: 3992955
    Abstract: A caging mechanism for a gyro in which a flat split ring lying in a plane perpendicular to the gyro rotor spin axis is deformable so that its inside diameter is enabled to capture the gyro rotor. A gas activated piston separates tabs formed on the split ring causing it to cage or uncage the rotor.
    Type: Grant
    Filed: November 18, 1974
    Date of Patent: November 23, 1976
    Assignee: The Singer Company
    Inventors: John L. Evans, Donald R. Boerner