Patents by Inventor Robert J. Allison

Robert J. Allison 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).

  • Mains phase determination
    Patent number: 5617329
    Abstract: An apparatus and method for remotely determining the phase of a single phase load on a multi-phase power distribution system, including powerline communications and repeaters. The phase determination being based upon comparison of message receipt times.
    Type: Grant
    Filed: March 15, 1996
    Date of Patent: April 1, 1997
    Assignee: Remote Metering Systems Ltd.
    Inventors: Robert J. Allison, Stephen D. Farnsworth, Edward J. D. Fisher, David R. Scholefield