Patents by Inventor John C. Yozallinas

John C. Yozallinas 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).

  • Safety data writes
    Patent number: 8380975
    Abstract: Systems and methods for safety data writes for process control networks are disclosed. The system may load changed parameters into a function block implemented by a process control server. The loaded changed parameters may be verified as being within safe limits and correctly entered. The verified changed parameters may be loaded into the field device controllers and the system restarted using the loaded changed parameters. The system may load parameters with an online system and use the loaded changed parameters during a warm restart.
    Type: Grant
    Filed: June 12, 2007
    Date of Patent: February 19, 2013
    Assignee: Siemens Industry, Inc.
    Inventors: John R. DiStefano, David J. Marks, John P. Klapper, John C. Yozallinas, Robert Q. James