Patents by Inventor John C. Croy

John C. Croy 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: 6356848
    Abstract: The invention broadly provides a method and apparatus for measuring the power output of one powering a vehicle or other system driven by the elongate flexible member such as chain. In a preferred embodiment described, the vehicle is a bicycle. The method of the invention comprises measuring the speed and tension of the drive chain and calculating the power output therefrom. The apparatus of the invention includes a chain speed sensor, a chain tension sensor, and electronic processing apparatus to calculate and display the power output based upon the chain measurements.
    Type: Grant
    Filed: October 14, 1998
    Date of Patent: March 12, 2002
    Assignee: Polar Electro OY
    Inventors: Alan Cote, Jean-Joseph Cote, John C. Croy, Seppo Nissilä
  • Patent number: 6199021
    Abstract: The invention broadly provides a method and apparatus for measuring the power output of one powering a chain driven vehicle. In a preferred embodiment described, the vehicle is a bicycle. The method of the invention comprises measuring the speed and tension of the drive chain and calculating the power output therefrom. The apparatus of the invention includes a chain speed sensor, a chain tension sensor, and electronic processing means to calculate and display the power output based upon the chain measurements.
    Type: Grant
    Filed: May 22, 1998
    Date of Patent: March 6, 2001
    Assignee: CC Kinetics, Inc.
    Inventors: Alan Cote, Jean-Joseph Cote, John C. Croy