Patents by Inventor Calvin E. Stuckemeyer

Calvin E. Stuckemeyer 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).

  • Apparatus for storing and handling drill pipe
    Patent number: 5931238
    Abstract: A blast hole drill with a drill head mounted on a mast has a pipe carousel on the drill deck which holds drill pipe along the length of the deck. A pipe handling arm mechanism has a lower arm portion pivotally mounted on the deck and an upper arm portion pivotally mounted to the lower arm portion. The upper arm portion has jaws that grasp a drill pipe. A ram connected to the upper arm portion pivots the arm mechanism until the lower arm portion engages a stop adjacent the mast. The ram thereafter continues to pivot the upper arm portion until a drill pipe carried thereby is aligned on the mast.
    Type: Grant
    Filed: June 24, 1997
    Date of Patent: August 3, 1999
    Assignee: Bucyrus International, Inc.
    Inventors: Carl D. Gilmore, Calvin E. Stuckemeyer