Patents by Inventor Gerald K. Burnard

Gerald K. Burnard 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 filter apparatus
    Patent number: 4484937
    Abstract: Dust filter apparatus comprises a first, coarse dust removal stage constituted by a plurality of swirl chamber devices into which a liquid is sprayed and a second, fine dust removal stage constituted by a wetted filter panel.
    Type: Grant
    Filed: March 30, 1982
    Date of Patent: November 27, 1984
    Assignee: Coal Industry (Patents) Limited
    Inventors: Granville C. James, Gerald K. Burnard