Patents by Inventor Marvin O. Cufaude

Marvin O. Cufaude 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: 4262477
    Abstract: A fresh market tomato harvester comprises a leading knife for severing tomato plants, an inclined ascending conveyor for transporting the cut plants upwardly onto the harvester, a shaker bed for removing the tomatoes from the vines, transverse cross conveyors for receiving the tomatoes after they have been shaken from the vines and for transporting them laterally outward, longitudinally extending side sorting belts for receiving the tomatoes and transporting them rearwardly past workers who remove stems and other foreign matter as well as overripe fruit, sizing conveyors for automatically classifying the tomatoes by size and rejecting undersized tomatoes, and, optionally, a washing station for removing gummy matter and dust. The elevator carries arcuate tines, each of which is covered with surgical tubing which extends beyond the end of the metal tine to provide a resilient yielding structure.
    Type: Grant
    Filed: June 12, 1979
    Date of Patent: April 21, 1981
    Assignee: Johnson Farm Machinery Co., Inc.
    Inventors: William E. Turold, Marvin O. Cufaude, Frank A. Diaz, Robert A. Hanson