Patents by Inventor Byrne E. Bramwell

Byrne E. Bramwell 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).

  • Railroad switch snow deflecting air nozzle apparatus
    Patent number: 4695017
    Abstract: A railroad switch, snow deflecting apparatus is described in which air is fed through conduits to primary nozzles for directing air along the rails and towards the switch points to a position adjacent the apex of the switch. Secondary nozzles are spaced from the primary nozzles and behind the switch points so as to direct air along and between movable rails of the railway switch, and in the same direction as air from the primary nozzles to maintain the railway switch operationally free of snow.
    Type: Grant
    Filed: December 23, 1986
    Date of Patent: September 22, 1987
    Assignee: Canadian Patents and Development Limited
    Inventors: Thomas R. Ringer, Byrne E. Bramwell