Patents by Inventor Jonathan Preston-Thomas

Jonathan Preston-Thomas 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).

  • Publication number: 20080066263
    Abstract: According to one embodiment of the present disclosure, a railway car pivot assembly comprises an annular bushing formed with a round-shaped hole and an elongated pivot pin that extends through the hole for rotational movement within. The pivot pin has a flange for releasable securement to an end door of a conventional railway car. The annular bushing is coupled to the railway car via a swivel coupler that provides for orthogonal rotation of the annular bushing relative to the railway car.
    Type: Application
    Filed: May 16, 2007
    Publication date: March 20, 2008
    Inventors: Shaun Richmond, Jonathan Preston-Thomas, Michael Krzyzanowski, Liam Roney, Ronald Koopman