Patents by Inventor David Cundiff

David Cundiff 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: 6929063
    Abstract: Disclosed herein is a locator system for a cutting device in combination with a production string. Where the production string has at least one detent along its circumference. The invention also comprises a lock formed to engage the detent, a cutting device, and a body on which the lock is attached. The body is connected to the cutting device such that when the lock is engaged to the detent, the cutting device is operatively connected to the detent and the cutting device is positioned at a location to accurately sever the production string at a desired depth. An alternative embodiment of the detent is a nipple profile and the production string comprises a series of tubing members connected end to end. The tubing members can be a completion tool, tubing, or a combination of both. Also disclosed is a method of using the locator system.
    Type: Grant
    Filed: November 5, 2002
    Date of Patent: August 16, 2005
    Assignee: Baker Hughes Incorporated
    Inventors: James Warren Reese, David Cundiff, Wilfred Schexnayder
  • Publication number: 20040084185
    Abstract: Disclosed herein is a locator system for a cutting device in combination with a production string. Where the production string has at least one detent along its circumference. The invention also comprises a lock formed to engage the detent, a cutting device, and a body on which the lock is attached. The body is connected to the cutting device such that when the lock is engaged to the detent, the cutting device is operatively connected to the detent and the cutting device is positioned at a location to accurately sever the production string at a desired depth. An alternative embodiment of the detent is a nipple profile and the production string comprises a series of tubing members connected end to end. The tubing members can be a completion tool, tubing, or a combination of both. Also disclosed is a method of using the locator system.
    Type: Application
    Filed: November 5, 2002
    Publication date: May 6, 2004
    Applicant: BAKER HUGHES, INCORPORATED
    Inventors: James Warren Reese, David Cundiff, Wilfred Schexnayder