Patents by Inventor Keith Burton Sheardown

Keith Burton Sheardown 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).

  • Patent number: 8786428
    Abstract: In a method of operating a system for announcing the presence of one or more individuals on or near a pathway to an operator of a vehicle traveling on the pathway, each of a number of data readers positioned along the pathway receives data input by the one or more individuals. In response to each data reader receiving the data input, a unique subset of a number of lamps, also positioned along the pathway, is caused to illuminate. The system includes a computer network that controls the operation of the lamps in response to the input of data.
    Type: Grant
    Filed: April 29, 2011
    Date of Patent: July 22, 2014
    Assignee: Bombardier Transportation GmbH
    Inventors: Keith Burton Sheardown, Mark Willer, Pankaj Sood, Nerraj Sood, Peter Basl
  • 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
  • Publication number: 20110278401
    Abstract: In a method of operating a system for announcing the presence of one or more individuals on or near a pathway to an operator of a vehicle traveling on the pathway, each of a number of data readers positioned along the pathway receives data input by the one or more individuals. In response to each data reader receiving the data input, a unique subset of a number of lamps, also positioned along the pathway, is caused to illuminate. The system includes a computer network that controls the operation of the lamps in response to the input of data.
    Type: Application
    Filed: April 29, 2011
    Publication date: November 17, 2011
    Applicant: BOMBARDIER TRANSPORTATION GMBH
    Inventors: Keith Burton Sheardown, Mark Willer, Pankaj Sood, Neeraj Sood, Peter Basl
  • 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