Patents by Inventor Ahmed Ben Salah

Ahmed Ben Salah 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).

  • Pipe alignment device
    Patent number: 5033907
    Abstract: An apparatus and method for underwater aligning and connecting of two pipes used in directional drilling and particularly trenchless beach crossings. An alignment cable is connected between the ends of the two pipes and is tensioned to bring them into axial alignment. A rigid supporting platform is positioned on the sea floor. Securing clamps are mounted on the platform to align the two pipes. To thread the pipes, one pipe rotates about the joint axis.
    Type: Grant
    Filed: February 16, 1990
    Date of Patent: July 23, 1991
    Inventors: Hugh W. O'Donnell, Ahmed Ben Salah
  • Pipe connection device
    Patent number: 5018903
    Abstract: An apparatus and method for underwater aligning and connecting of two pipes used in directional drilling and particularly trenchless beach crossings. An alignment cable is connected between the ends of the two pipes and is tensioned to bring them into axial alignment. A rigid supporting platform is positioned on the sea floor. Securing clamps are mounted on the platform to align the two pipes. To thread the pipes, one pipe rotates about the joint axis.
    Type: Grant
    Filed: February 16, 1990
    Date of Patent: May 28, 1991
    Inventors: Hugh W. O'Donnell, Ahmed Ben Salah