Patents by Inventor Richard M. Chrisco

Richard M. Chrisco 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).

  • Method and apparatus for determining the weld and coil resistances of a motor winding
    Patent number: 5307019
    Abstract: Disclosed is a method and apparatus for determining weld and coil resistances of a commutator type electric motor armature. The method comprises the steps of determining a resistance ratio for a pair of coils and then determining the weld resistance across a commutator bar and coil connection based upon the resistance ratio.
    Type: Grant
    Filed: September 21, 1992
    Date of Patent: April 26, 1994
    Assignee: Slaughter Company, Division of R. E. Phelon Company, Inc.
    Inventors: Frank C. Robey, Richard M. Chrisco