Patents by Inventor Alva W. Davis

Alva W. Davis 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).

  • Gas lift umbilical cable and termination assemblies therefor
    Patent number: 6283206
    Abstract: A gas lift umbilical including a flexible pipe having a collapse resistant wall and a first sealing layer formed on an interior surface of the collapse resistant wall. The interior surface defines a longitudinal passage. A flexible gas lift hose is mounted within the longitudinal passage extending from a first end of the flexible pipe to a second end thereof. A first fitting is attached to the collapse resistant wall of the flexible pipe at a first end thereof. A second fitting is attached to the collapse resistant wall of the flexible pipe at a second end thereof. A first adapter joins a first end of the gas lift hose to the first fitting and a second adapter joins a second end of the gas lift hose to the second fitting.
    Type: Grant
    Filed: July 1, 1999
    Date of Patent: September 4, 2001
    Assignee: Kellogg, Brown & Root, Inc.
    Inventors: Dana John Fraser, Alva W. Davis