Patents by Inventor Christopher A. Wickiffe

Christopher A. Wickiffe 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).

  • Bicycle chain rings with ramps
    Patent number: 8506436
    Abstract: Embodiments of the present invention include bicycle chain rings for bicycles having specially shaped ramps, tapers and profiled teeth for improved shifting performance. Additional embodiments of the bicycle chain rings of the present invention may be configured with one or more additional features formed within the chain rings including a transition slide, a tapered ramp face, a ramp bridge, a ramp lead, a trailing transition slide and a wear pin.
    Type: Grant
    Filed: December 27, 2011
    Date of Patent: August 13, 2013
    Assignee: Wick Werks, LLC
    Inventors: Christopher A. Wickiffe, Eldon Goates