Patents Assigned to Sonat Subsea Services (UK) Limited
  • Apparatus for cleaning pipes
    Patent number: 4688290
    Abstract: Apparatus for cleaning an underwater structure such as a pipe, riser or the like, having a collar which fits around the structure and scrapers extending inwardly of the collar to engage the structure. The apparatus can be pulled along the structure by a winch and the scrapers dislodge detritus and marine growth as they move.
    Type: Grant
    Filed: December 20, 1985
    Date of Patent: August 25, 1987
    Assignee: Sonat Subsea Services (UK) Limited
    Inventor: George A. Hogg