Patents by Inventor Henri A. Marion

Henri A. Marion 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: 4303352
    Abstract: The invention relates to a method for the building and putting in place of a sea platform in using buoyancy chambers. The buoyancy chambers are temporarily attached to the raft and capable of being ballasted for allowing the control of their buoyancy during the building of the structure and their recovery. Simultaneously with the building of the tower and walls, the chambers are progressively built by assembling of portions of bodies mounted on a bottom element resting on a chamber receptacle.
    Type: Grant
    Filed: June 25, 1979
    Date of Patent: December 1, 1981
    Assignee: Compagnie Generale pour les Developpements Operationnels des Richesses Sous-Marines
    Inventor: Henri A. Marion