Patents by Inventor Rondel Knisley

Rondel Knisley 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).

  • Apparatus for drilling oil and gas wells and a torque arrestor associated therewith
    Patent number: 4512422
    Abstract: An apparatus for drilling oil and gas wells includes an articulated drilling assembly having a bit which is powered by an air motor pressurized by air or gas delivered from the surface of the earth via a coiled tube. A torque arrestor is used to keep the drilling assembly from rotating with the bit. The apparatus is suitable for drilling horizontally within the earth as well as vertically.
    Type: Grant
    Filed: June 28, 1983
    Date of Patent: April 23, 1985
    Inventor: Rondel Knisley