Patents by Inventor Gerald R. Atol

Gerald R. Atol 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: 4854383
    Abstract: A manifold arrangement for use with a top drive power unit to enable fluid circulation to be conducted to a well string for well bore conditioning to be effected with cementing plugs in place in the manifold arrangement and for conducting a pumpable substance such as cement to the well string without first circulating it through the top drive power unit.
    Type: Grant
    Filed: September 27, 1988
    Date of Patent: August 8, 1989
    Assignee: Texas Iron Works, Inc.
    Inventors: Ronald D. Arnold, Gerald R. Atol, Samuel F. Baker