Patents by Inventor Guido d'Aloisio

Guido d'Aloisio 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).

  • Method for connecting underwater pipelines particularly suitable for great depths and big diameters
    Patent number: 5921713
    Abstract: A method of connecting underwater pipelines by installation of a pipeline on a seabed fixed frame; laying of an outboard pipeline by a lay barge; installation of a subsea winch with the frame; actuation of the winch by a ROV to unwind the cable of the winch, aided by another ROV bringing and connecting the end of the cable to the outboard pipeline; winding of the cable and following deflection of the outboard pipeline up to the frame; installation of a metrology system to define the distance and angular misalignment between the two pipelines' ends to be connected; assembly of a connection system with telescopic capabilities using the measurements of the metrology system and using a dedicated frame installed on board a support ship; installation of the connection system on the seabed fixed frame and connection of the connection system with the pipeline ends.
    Type: Grant
    Filed: January 26, 1998
    Date of Patent: July 13, 1999
    Assignees: Kongsberg Offshore A.S, Snamprogetti S.p.A.
    Inventors: Harald Ottar Gjessing, Guido d'Aloisio, Giovanni Corbetta, Alessandro Radicioni, Finn Germand Haugen