Patents by Inventor Calvin J. Moore, Jr.

Calvin J. Moore, 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).

  • Drill pipe transfer arm for angle drilling
    Patent number: 4892160
    Abstract: A drill pipe transfer arm supports the bottom portion of a drill pipe and positions it in relationship to the drill string to permit angle drilling with a tilted drill tower. The transfer arm is uniquely suited to circular carousels and features a drill pipe conforming saddle which permits close-quarter operation with a packed carousel.
    Type: Grant
    Filed: June 13, 1989
    Date of Patent: January 9, 1990
    Assignee: Ingersoll-Rand Company
    Inventors: George P. Schivley, Jr., Calvin J. Moore, Jr.