Patents by Inventor Gerard F. Testart

Gerard F. Testart 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: 5207401
    Abstract: A switch includes a frame constituted, inter alia, by a single point end plate, preferably mechanically welded, for supporting stock rails at ends thereof adjacent a principle route, and by a double heel end plate, preferably mechanically welded, for supporting heel ends of each of two stock rail/switchblade pairs adjacent a direct route and a deviated route. Spacers maintain distance between the stock rails adjacent the principal route and the stock rail/switchblade heel pairs adjacent the direct and deviated route. Sole plates support the stock rails and/or switchblades. Inner stops are placed between the switchblades in the vicinity of their heel ends and are carried by the sole plates. Outer stops are placed between the stock rails and the switchblades in the vicinity of their point ends and are carried by the stock rails.
    Type: Grant
    Filed: May 23, 1991
    Date of Patent: May 4, 1993
    Assignee: Cogifer-Compagnie Generale d'Installations Ferroviaires
    Inventor: Gerard F. Testart