Patents by Inventor Jeffry Edwards

Jeffry Edwards 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).

  • Motor drive actuator for downhole flow control devices
    Patent number: 6041857
    Abstract: Several motor driven embodiments are discussed which provide linear motion to a downhole flow control device. The embodiments employ ball screw assemblies or lead screw assemblies. A device for rotational actuation of a downhole flow control device is also disclosed.
    Type: Grant
    Filed: October 14, 1997
    Date of Patent: March 28, 2000
    Assignee: Baker Hughes Incorporated
    Inventors: Michael A. Carmody, Kevin R. Jones, Robert J. Coon, Douglas J. Murray, Mark E. Hopmann, Steven L. Jennings, Wayne Welch, Jeffry Edwards, David Martin