Patents by Inventor Malcolm J. Dupree

Malcolm J. Dupree 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).

  • Pivotable crayfish trap
    Patent number: 5142808
    Abstract: This invention pertains to the remote harvesting of crayfish by trapping them within a trap submerged in water and then, when harvesting is desired, by applying a counterweight for pivoting the trap so that the trapped crayfish are passed to a line for flushing the crayfish to a collection tank. This operation is accomplished remotely from the harvester and more than one harvester can be connected to the collection tank.
    Type: Grant
    Filed: November 1, 1991
    Date of Patent: September 1, 1992
    Inventors: Aubrey J. Dupree, Jr., Malcolm J. Dupree