Patents by Inventor Craig N. Butler

Craig N. Butler 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).

  • Verification of proper coupling of power line communication units to power circuits
    Patent number: 7030734
    Abstract: Verifying that power line communication units (106) are properly coupled to power circuits (104) is disclosed. Each of a number of communication units (106) is coupled to one of one or more power circuits (104), and sends an identifier over this power circuit. One or more management components (110) collect the identifier sent by each communication unit, and use at least these identifiers to verify that the communication units (106) are properly coupled to the power circuits (104).
    Type: Grant
    Filed: January 2, 2002
    Date of Patent: April 18, 2006
    Assignee: International Business Machines Corporation
    Inventors: Craig N. Butler, Akimasa Fleshler, Stuart A. Friedberg, Paul E. McKenney