Patents by Inventor James E. Uban

James E. Uban 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).

  • Intelligent process control communication system and method having capability to time align corresponding data sets
    Patent number: 5519603
    Abstract: An intelligent front-end communication system which is interposed between a plurality of actively redundant process control computers and a computer network. The intelligent front end communication system includes at least one front end computer which is coupled to the computer network, and a serial communication interface which is coupled between the actively redundant process control computers and the front end computer. The serial communication interface transmits sequential sets of dynamic data from the actively redundant process control computers to the front end computer. The front end computer includes a plurality of reflective or shadow memory buffers for storing and time aligning corresponding sets of dynamic data which are asynchronously received from the serial communication interface.
    Type: Grant
    Filed: July 12, 1994
    Date of Patent: May 21, 1996
    Assignee: The Dow Chemical Company
    Inventors: James D. Allbery, Jr., Peter A. Troisi, Susan J. Johnson, James H. Cullen, Richard L. Butler, James P. Ferreira, Joseph Ellison, Stanley R. Nunn, Chiman L. Patel, James E. Uban, Dale H. Schultz