Patents by Inventor Theodore J. Nicolai

Theodore J. Nicolai 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).

  • Operation counter for a circuit interrupter
    Patent number: 6300585
    Abstract: An operation counter arrangement is provided for a circuit interrupter for opening a high-voltage circuit-isolating device. The operation counter arrangement responds to actual operations via response to a moving contact arrangement of the circuit interrupter. The operation counter arrangement is capable of retrofit to existing circuit interrupters via replacement of an exhaust control device of the circuit interrupter. In a preferred arrangement, a count of both the total number of operations and the number of operations since the most recent maintenance is provided.
    Type: Grant
    Filed: March 31, 2000
    Date of Patent: October 9, 2001
    Assignee: S&C Electric Company
    Inventors: Theodore J. Nicolai, Bruce A. Biller, Glenn R. Borchardt