Patents by Inventor Jason John Freebern

Jason John Freebern 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).

  • Track worker safety system
    Patent number: 8344877
    Abstract: A safety system for providing early warning notifications to an authorized track worker performing official duties along a rail road network is disclosed herein. The safety system determines the position of the authorized worker and determines an estimated time to collision between the authorized track worker and an approaching rail vehicle. The result of the safety system is that the track worker has enough time and sufficiently accurate warning that will enable the track worker to move to a point of safety so as to remain unharmed by the approaching rail vehicle.
    Type: Grant
    Filed: July 7, 2009
    Date of Patent: January 1, 2013
    Assignee: Bombardier Transportation GmbH
    Inventors: Keith Burton Sheardown, Sathya Vagheeswar Venkatasubramanian, Jason John Freebern
  • Track Worker Safety System
    Publication number: 20110006912
    Abstract: A safety system for providing early warning notifications to an authorized track worker performing official duties along a rail road network is disclosed herein. The safety system determines the position of the authorized worker and determines an estimated time to collision between the authorized track worker and an approaching rail vehicle. The result of the safety system is that the track worker has enough time and sufficiently accurate warning that will enable the track worker to move to a point of safety so as to remain unharmed by the approaching rail vehicle.
    Type: Application
    Filed: July 7, 2009
    Publication date: January 13, 2011
    Applicant: BOMBARDIER TRANSPORTATION GMBH
    Inventors: Keith Burton Sheardown, Sathya Vagheeswar Venkatasubramanian, Jason John Freebern