Patents by Inventor Denny M. Atkinson

Denny M. Atkinson 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).

  • Method and apparatus for detecting an approaching train by detecting a brake system status signal
    Patent number: 5735491
    Abstract: An apparatus for detecting the presence of an approaching train, includes a warning indicator, a receiver for receiving a brake system status signal transmitted from an approaching train, and a relay for coupling a voltage potential to the warning indicator when the brake system status signal is received by the receiver, wherein the warning indicator, the receiver and the relay are positioned within a passenger vehicle. Also there is a method for detecting the presence of an approaching train by detecting a brake system status signal originating from the train.
    Type: Grant
    Filed: October 9, 1996
    Date of Patent: April 7, 1998
    Assignee: Michael D. Ray
    Inventor: Denny M. Atkinson