Patents by Inventor Keith TRAVIS

Keith TRAVIS 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).

  • Publication number: 20210075545
    Abstract: An industrial control system includes an encryption device, a decryption device and a mission-critical communication link connecting the encryption device to the decryption device. The encryption device is configured to send encrypted messages to the decryption device over the mission-critical communication link. The system includes a failure monitor configured to monitor for a failure of the encryption device or the decryption device, and, in the event of failure, to continue the sending of the messages to the decryption device but without encrypting the messages.
    Type: Application
    Filed: October 27, 2020
    Publication date: March 11, 2021
    Inventors: Ray JAMES, Keith TRAVIS, Stephen WILLIAMS, Kevin JONES
  • Publication number: 20180331787
    Abstract: A communication system includes an encryption device, a decryption device and a communication link connecting the encryption device to the decryption device. The encryption device is configured to send encrypted messages to the decryption device over the communication link. The system includes a failure monitor configured to monitor for a failure of the encryption device or the decryption device, and, in the event of failure, to continue the sending of the messages to the decryption device but without encrypting the messages.
    Type: Application
    Filed: November 16, 2016
    Publication date: November 15, 2018
    Inventors: Ray JAMES, Keith TRAVIS, Stephen WILLIAMS, Kevin JONES