Patents by Inventor William P. Albrecht

William P. Albrecht 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).

  • Fifth wheel
    Patent number: 3995877
    Abstract: An improved fifth wheel for a tractor-trailer rig, characterized by a first subassembly including a wear plate adapted to be mounted on a downwardly facing surface of a trailer and having a king pin projected normally therefrom, and a second subassembly adapted to be pivotally mounted on an upwardly facing surface of a tractor and brought into contiguous relation with the first subassembly, including a receiver for capturing the king pin and safety means responsive to a failure of the king pin or its latching mechanism for joining the first subassembly with the second subassembly.
    Type: Grant
    Filed: July 22, 1975
    Date of Patent: December 7, 1976
    Assignee: The United States of America as represented by the Administrator of the National Aeronautics and Space Administration
    Inventors: William P. Albrecht, Ralph H. Sparks