Patents by Inventor Paul John Dowden

Paul John Dowden 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).

  • Dumper installations
    Patent number: 5651660
    Abstract: To permit coupled rail cars of different lengths be tipped in a rail car dumper installation, between a rail car platform of the tipping structure and a fixed track section leading to the platform there is a space occupied by a supplementary rail section that can be secured relative to the rail car platform or the fixed track section respectively. The tipping structure has a cranked portion overlapping said supplementary rail section to engage end supports for the associated end of the tipping structure.
    Type: Grant
    Filed: April 8, 1996
    Date of Patent: July 29, 1997
    Assignee: Strachan & Henshaw Limited
    Inventor: Paul John Dowden