Patents by Inventor Kevin P. Aretha

Kevin P. Aretha 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).

  • Flowchart exception handling element
    Patent number: 6226555
    Abstract: A software logic controller using flowchart programming includes exception handling elements for handling exception conditions in a manufacturing process. Exception handling is programmed using a Begin Exception element to start monitoring the occurrence of a specific exception condition and an End Exception element to stop the monitoring process. Monitoring is conducted once during every scan cycle of the computer as long as the Begin Exception element is still active.
    Type: Grant
    Filed: May 14, 1998
    Date of Patent: May 1, 2001
    Assignee: Steeplechase Software, Inc.
    Inventors: Chuck E. Kallal, Mike W. Messick, Kevin P. Aretha, Jason A. McLees, David J. Gee, Richard L. Mahn, Don C. Stokes