Patents by Inventor Christophe Pettenati-Auziere

Christophe Pettenati-Auziere 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 filling in a trench dug in the sea bed in order to cover a pipe laid down in the trench
    Patent number: 5659983
    Abstract: An improved trench-filling device for covering a pipe and filling in a trench dug in a sea bed, characterized in that the device comprises two sets of nozzles (6,7) arranged above and proximate to the sea bed on both sides of the trench (1), the nozzles pointing towards the sea bed and towards the trench and being fed with pressurized water to direct powerful jets of water into the ground making up the sea bed adjacent the trench to deposit into the trench constituent parts of the adjacent ground as the trench-filling device progresses along the trench, and guides (14, 14') provided above to channel the high pressure jet streams created by the nozzles (6,7).
    Type: Grant
    Filed: November 7, 1995
    Date of Patent: August 26, 1997
    Assignee: Coflexip
    Inventors: Alain Coutarel, Christophe Pettenati-Auziere