Patents by Inventor Dino Ravasio

Dino Ravasio 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).

  • Notched-flight feeder screws for briquetting operation
    Patent number: 4017241
    Abstract: Frictional drag on the feeder screw of a briquetting press is reduced and a concomitant reduction in feeder screw drive power requirements is realized by providing all but the lowermost flight on the feeder screw with regularly spaced notches to allow the reverse flow of limited amounts of the material being fed to the press.
    Type: Grant
    Filed: November 7, 1975
    Date of Patent: April 12, 1977
    Assignee: United States Steel Corporation
    Inventors: Michael J. Papinchak, Dino Ravasio
  • Briquette mold pocket configuration
    Patent number: 3980745
    Abstract: The mold faces of opposing briquetting rolls are arranged in V-shaped rows of rhomboid mold pockets.
    Type: Grant
    Filed: December 4, 1974
    Date of Patent: September 14, 1976
    Assignee: United States Steel Corporation
    Inventors: Luther G. Hendrickson, Dino Ravasio