Patents by Inventor Ray O. Tillett, Jr.

Ray O. Tillett, 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).

  • Downhole jarring tool adjuster
    Patent number: 6896060
    Abstract: A downhole jarring apparatus including a shaft and a first mandrel configured to releasably engage, a collar operatively attached to the shaft such that an axial position of the collar relative to the shaft is adjustable by access through an opening in an outer surface of a second mandrel, and an energy store configured to exert a force against the shaft, wherein the force is adjustable in response to the axial position of the collar relative to the shaft.
    Type: Grant
    Filed: March 27, 2003
    Date of Patent: May 24, 2005
    Assignee: Impact Selector, Inc.
    Inventor: Ray O. Tillett, Jr.
  • E-line downhole jarring tool
    Patent number: 6866096
    Abstract: According to the present invention, the e-line downhole jarring tool is an electrical line downhole tool for manipulating a work string which is easily configured to deliver a specific amount of force to the work string in a small and simple apparatus.
    Type: Grant
    Filed: March 27, 2003
    Date of Patent: March 15, 2005
    Assignee: Impact Selector, Inc.
    Inventor: Ray O. Tillett, Jr.