Patents by Inventor Douglas E. Lyke

Douglas E. Lyke 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).

  • Aquatic plant de-rooting apparatus
    Patent number: 5447018
    Abstract: An aquatic plant de-rooting apparatus includes a jib and a vertically adjustable hanger to be mounted on a vessel. The hanger carries two forwardly convergent rotors, each with a series of flat blades projecting radially from it. The rotors are independently driven by hydraulic motors. The rotors act to uproot the aquatic vegetation to remove the vegetation and inhibits its future growth.
    Type: Grant
    Filed: May 26, 1994
    Date of Patent: September 5, 1995
    Assignee: Triton Marine Industries Inc.
    Inventors: Conrad Harvey-Rioux, Douglas E. Lyke