Patents by Inventor Richard LEVERTY

Richard LEVERTY 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).

  • Cutterhead debris guard
    Patent number: 10000905
    Abstract: A cutterhead for dredging water-bed material from a body of water. The cutterhead comprises a shroud presenting a front margin for receiving water-bed material into an interior space of the shroud. The shroud additionally includes a port from which water-bed material can be removed from the interior space of the shroud. The cutterhead additionally comprises a rotatable cutterbar at least partially received within the interior space of the shroud. The cutterhead further comprises a debris guard positioned between the cutterbar and the port. The debris guard is operable to filter the water-bed material removed from the shroud through the port. At least a portion of the debris guard that faces the cutterbar includes a concave shape.
    Type: Grant
    Filed: August 16, 2016
    Date of Patent: June 19, 2018
    Assignee: Liquid Waste Technology, LLC
    Inventors: Richard Leverty, John Gillis, Brian John Lindahl
  • CUTTERHEAD DEBRIS GUARD
    Publication number: 20180051440
    Abstract: A cutterhead for dredging water-bed material from a body of water. The cutterhead comprises a shroud presenting a front margin for receiving water-bed material into an interior space of the shroud. The shroud additionally includes a port from which water-bed material can be removed from the interior space of the shroud. The cutterhead additionally comprises a rotatable cutterbar at least partially received within the interior space of the shroud. The cutterhead further comprises a debris guard positioned between the cutterbar and the port. The debris guard is operable to filter the water-bed material removed from the shroud through the port. At least a portion of the debris guard that faces the cutterbar includes a concave shape.
    Type: Application
    Filed: August 16, 2016
    Publication date: February 22, 2018
    Inventors: Richard LEVERTY, John GILLIS, Brian John LINDAHL