Patents by Inventor Ludwig S. Baier

Ludwig S. Baier 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).

  • Railway track hold-down hardware
    Patent number: 4179067
    Abstract: A base member, such as a cross tie, is molded of reinforced concrete or wood chips and resin. Depressions in the top of the base member are lined with pads of cushion material to seat the flanges of the rails. A pair of hold-down clips is seated on each pad on opposite sides of each rail. Bolts in the clips are secured by tubular nuts having deformed lower ends shaped to anchor the nuts in the molded base member.
    Type: Grant
    Filed: February 1, 1978
    Date of Patent: December 18, 1979
    Inventor: Ludwig S. Baier