Patents by Inventor Oren Tranbarger

Oren Tranbarger 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 and method for discharging static electricity on the internal surface of plastic pipe
    Patent number: 5173333
    Abstract: An apparatus (10) for discharging the internal surface of a plastic pipe (12) provides a saddle (32) having an internal cavity (35) formed therein for permitting threadable engagement of a shaft (24). The shaft (24) has a cutter (40) at one end for penetrating the plastic pipe (12) upon engagement. The shaft (24) also has a nozzle (28) formed adjacent to the cutter (40) for spraying an antistatic fluid (26) into the plastic pipe (12) for discharging the plastic pipe (12).
    Type: Grant
    Filed: April 29, 1991
    Date of Patent: December 22, 1992
    Assignee: Southwest Research Institute
    Inventors: Oren Tranbarger, Clarence R. McGinnis, David H. Strain