Patents by Inventor Jonathan D. Burston

Jonathan D. Burston 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).

  • Dust retention device
    Patent number: 4324524
    Abstract: The device is for retaining dust when particulate material is dumped through the device into a container. The device has a plurality of adjacent inverted-V shaped restrictors which swing about an axis along the point where the two leaves of the V meet. There are material deflectors which unevenly load some of the restrictors.
    Type: Grant
    Filed: January 31, 1980
    Date of Patent: April 13, 1982
    Assignee: Barrett Burston (Australia) Limited
    Inventors: Jonathan D. Burston, Robert G. Henley