Patents by Inventor Robert Javelle

Robert Javelle 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).

  • Twisted angle tie-bar for railway tie
    Patent number: 4651924
    Abstract: A tie-bar for mixed railway tie, constituted by an angle shaped in the vicinity of each of its ends, over an intermediate part joining the central part of the angle to each of its end parts, so that each end part occupies in each block a position in which one of its wings passes at a distance beneath the vertical orifices for passage of rail screws, its other wing passing at a distance along the orifices.
    Type: Grant
    Filed: July 30, 1985
    Date of Patent: March 24, 1987
    Assignee: Trancel
    Inventor: Robert Javelle