Patents by Inventor Steven F. Comeau

Steven F. Comeau 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: 5360957
    Abstract: A controlled EDM apparatus comprises at least one electrode mounted in a base, a driver for positioning the base, a system for providing electrical energy to the electrode, a monitor for measuring the electrical discharge frequency of the electrode, and a controller responsive to the monitor for controlling either the driver or the energy providing system. The apparatus operates by measuring the electrical discharge frequency of the electrode and controlling at least the duration of machining in accordance with the frequency measured.
    Type: Grant
    Filed: June 11, 1992
    Date of Patent: November 1, 1994
    Assignee: General Electric Company
    Inventors: Kenneth B. Haefner, James R. Bischoff, Mark D. Ehresman, Steven F. Comeau