Patents by Inventor Grant Stephen Nash

Grant Stephen Nash 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).

  • Acoustical warning system
    Patent number: 8998148
    Abstract: A locomotive warning system includes an acoustical warning subsystem configured to emit variably directed sound. A controller subsystem is responsive to an initiation command and is configured to trigger the acoustical warning subsystem to begin a sounding sequence when the initiation command is received at a first directivity angle and to continue the sound blast sequence at increasing directivity angles for a pre-establish time and/or distance traveled.
    Type: Grant
    Filed: June 13, 2012
    Date of Patent: April 7, 2015
    Assignee: Foster-Miller, Inc.
    Inventors: Basant K. Parida, Abdullatif K. Zaouk, Jason Ross, Grant Stephen Nash
  • Acoustical warning system
    Publication number: 20120318932
    Abstract: A locomotive warning system includes an acoustical warning subsystem configured to emit variably directed sound. A controller subsystem is responsive to an initiation command and is configured to trigger the acoustical warning subsystem to begin a sounding sequence when the initiation command is received at a first directivity angle and to continue the sound blast sequence at increasing directivity angles for a pre-establish time and/or distance traveled.
    Type: Application
    Filed: June 13, 2012
    Publication date: December 20, 2012
    Inventors: Basant K. Parida, Abdullatif K. Zaouk, Jason Ross, Grant Stephen Nash