Patents by Inventor Guy E. Devine

Guy E. Devine 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).

  • Process communication link
    Patent number: 4271505
    Abstract: A distributed, electronic process control system is disclosed having a plurality of remotely located stations interacting to control a complex industrial process. The stations communicate via a process communication link which supports secure, multi-master communication. The link provides a transparent medium of exchange for the secure transfer of process status and control information among the stations, such that each station may initiate and control system communication for a predetermined time period.
    Type: Grant
    Filed: July 2, 1979
    Date of Patent: June 2, 1981
    Assignee: The Foxboro Company
    Inventors: Robert Menot, Robert E. Willard, Paul D. Griem, Guy E. Devine