Patents by Inventor Donald S. Livingston

Donald S. Livingston 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: 7350745
    Abstract: Methods and apparatuses are disclosed that rotate a first member about a first point relative to a chassis, wherein the first member is rotatably coupled to a second member at a second point. A second member is counter-rotated at a ratio of the rotational speed of the first member wherein the second member is rotatably coupled to the third member at a third point. The third point is translated in response to the counter-rotating second member in oscillatory motion along a path. The third member is pivoted at a third point and fluid is moved in response to the motion of the third member. A force is applied to the chassis due to the interaction of the third member and the fluid.
    Type: Grant
    Filed: June 11, 2005
    Date of Patent: April 1, 2008
    Inventor: Donald S. Livingston