Patents by Inventor Graham R. De Clifford

Graham R. De Clifford 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).

  • Patent number: 4458621
    Abstract: A marine life harvesting method and apparatus in which a vessel (10) has a marine life capturing device (12) consisting of telescopic booms (14, 16, 18) to which are attached a mesh or net (20). The capturing device (12) has an inlet orifice (74) and an outlet orifice (76) the outlet orifice communicating with a marine life harvesting device, which may be a passage (42) through the hull (40) of the vessel, marine life entering the inlet orifice as the vessel travels across the body of water, and being diverted by the capturing device (12) to flow from the outlet orifice (76). A conveyor (48) may be provided to remove marine life from the passage (42) to a processing station (52) and retractable grilles (44, 46) may be provided to control the flow of material through the passage.
    Type: Grant
    Filed: May 14, 1981
    Date of Patent: July 10, 1984
    Inventor: Graham R. De Clifford