Patents by Inventor Robert Lewis Underwood

Robert Lewis Underwood 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: 6913097
    Abstract: A transportation, storage and installation device for rig utilities. The device includes a telescoping bridge having an outer frame assembly with an opening therethrough supporting a plurality of cables. The telescoping bridge also includes an inner beam assembly receivable within the outer frame assembly opening supporting a plurality of cables, wherein the inner beam assembly may be extended from or retracted into the opening. The device also includes a utility boom having an elongated post terminating in a rotatable boom base, and a boom pivotally connected to the boom base wherein the pivotal connection has an axis transverse to the post. At least one cylinder moves the boom from a storage position substantially perpendicular to the post to a position wherein the boom is at an obtuse angle to the storage position. The device also includes a service arm supporting a plurality of electrical cables.
    Type: Grant
    Filed: April 25, 2003
    Date of Patent: July 5, 2005
    Assignee: Helmerich & Payne, Inc.
    Inventors: Alan Orr, Samuel David Hampton, Bernard J. Cook, Robert Lewis Underwood, Eric Thomas Greager