Patents by Inventor Kevin David Richardson

Kevin David Richardson 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).

  • Underwater mining machine
    Patent number: 6003952
    Abstract: An underwater mining machine includes a chassis mounted on a powered drive arrangement for driving the chassis on an underwater surface, the chassis having a front end and a rear end and being adapted to be manoeuvrable and driven in at least a forward direction, a rotatable cutting drum secured to a boom which is attached to a cradle mounted on the chassis, and material gathering arms adapted to gather material which has been excavated or broken up by the cutting drum.
    Type: Grant
    Filed: March 24, 1998
    Date of Patent: December 21, 1999
    Inventors: Leslie Robin Smart, Michael Estment Dingle, Michael John Taylor, Alan Stephen Jones, Richard Frederick Mann, Michael Hayden Spires, Mark Lawrence Jackson, Ignatius Corneluis Claassen, Roberto De Pretto, Kevin David Richardson