Patents by Inventor Attilio Ilari

Attilio Ilari 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).

  • Device for laying underground or digging up subsea conduits
    Patent number: 4479741
    Abstract: A self-propelling device for burying and digging up subsea conduits laid on beds of an incoherent material. The device has:disintegrating members using high pressure water jets to create a slurry of material,digging members having suction members which draw the suspension prepared by the disintegrating members, thus leaving a trench behind, anddisplacement members for moving the device on the seabed astride the conduit.
    Type: Grant
    Filed: April 26, 1982
    Date of Patent: October 30, 1984
    Assignee: Snamprogetti S.p.A.
    Inventors: Alfredo Berti, Attilio Ilari