Patents Assigned to Societe Francaise d'Etude d'Installations Siderurgiques Sofresid
  • Flexible offshore platform
    Patent number: 4505620
    Abstract: The invention provides a flexible off shore platform comprising a base fi to the sea bed by means of a foundation and supporting a flexible column extending over almost the whole height of the platform and at the top of which is located a stabilizer connected by a short column to the deck of the platform; the flexibility of the column allows a basic natural bending period greater than that of the largest waves and always greater than 25 seconds.
    Type: Grant
    Filed: October 25, 1983
    Date of Patent: March 19, 1985
    Assignees: Entrepose G.T.M. pour les Travaux Petroliers Maritimes et PM, Entrepose d'Equipements Mecaniques et Hydrauliques E.M.H., Societe Francaise d'Etudes d'Installations Siderurgiques SOFRESID
    Inventor: Bernard Andrier
  • Apparatus for removing solid matter from coal tar
    Patent number: 4036603
    Abstract: Process and apparatus for removing solid matter from coal tar recovered f coal distillation comprising the steps of centrifuging the tar in order to produce a liquid phase consisting of tar which is substantially free of residual solids and a solid phase consisting of solid matter and tar, and mixing the solid phase with a solid material comprising carbon.
    Type: Grant
    Filed: January 23, 1975
    Date of Patent: July 19, 1977
    Assignees: Societe Francaise d'Etude d'Installations Siderurgiques Sofresid, S.A. Sidmar
    Inventors: Henri Georges Bernet, Theophile Martens