Patents by Inventor Ron A. DeWitt

Ron A. DeWitt 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).

  • TWO-PHASE ISOLATION METHODS AND SYSTEMS FOR CONTROLLED DRILLING
    Publication number: 20120067643
    Abstract: There is provided a system and method for having multiple movable isolation zones within a borehole, to provide for zones having predetermined properties, such as pressure, flow or optical properties. These movable isolation zones provide advantages in downhole activities, such as, laser cutting and laser drilling to advance a borehole.
    Type: Application
    Filed: August 17, 2011
    Publication date: March 22, 2012
    Inventors: Ron A. DeWitt, Mark S. Zediker, Charles C. Rinzler, Lance D. Underwood, Mark S. Land, Daryl L. Grubb, Sam N. Schroit