Patents by Inventor Earl L. Raivel, Jr.

Earl L. Raivel, Jr. 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).

  • Semi-automatic pusher machine leveler bar control and method
    Patent number: 4555209
    Abstract: A leveler bar for a coke oven is controlled in its travel toward and away from the coke side of the oven by semi-automatic means to move the leveler bar during a "cycle" mode through half strokes and during the "finish" mode it performs four "full" strokes of which a full stroke can mean a 3/4 distance of full travel across the oven. Electrical circuitry which modifies or adds to prior art circuitry to accomplish this leveler bar movement is included herein.
    Type: Grant
    Filed: April 24, 1984
    Date of Patent: November 26, 1985
    Assignee: Bethlehem Steel Corporation
    Inventors: Joseph W. Berenato, III, Earl L. Raivel, Jr., John J. Strepelis