Patents by Inventor Eugene D. Smith

Eugene D. Smith 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).

  • Patent number: 4326406
    Abstract: A pressure tester for pipes including a frame supporting a pair of threaded pipe attachments which can be threaded to the threaded ends of a pipe and are provided with means for injecting liquid under pressure to ascertain the integrity of the pipe under pressure. One of the pipe attachments is axially and pivotally movable relative to the frame and another is vertically and pivotally movable relative to the frame. A tilt elevator can raise one end to tilt the pipe during the filling operation. A vent valve is provided to exhaust air from the pipe so that it can be completely filled with water. Other pipe handling components are also described.
    Type: Grant
    Filed: March 21, 1980
    Date of Patent: April 27, 1982
    Inventor: Eugene D. Smith
  • Patent number: 4166301
    Abstract: Apparatus for cleaning the inside and outside walls of a pipe. The apparatus includes a frame, rail means mounted on the frame, and a carriage mounted on the rail means. Derrick means is cantilevered from the carriage means and carries a stinger to be inserted into a pipe supported on the frame. The stinger carries cleaning means for the inside of the pipe. The carriage also carries cleaning means for cleaning the outside of the pipe. The pipe is rotatably supported on the frame and is rotated while the carriage is moved so as to move the pair of pipe cleaning means along the inside and outside walls of the tube to clean them. Fluid can be injected through the stinger to assist the cleaning of the inside of the pipe.
    Type: Grant
    Filed: May 26, 1978
    Date of Patent: September 4, 1979
    Inventor: Eugene D. Smith