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Class Information
Number: 114/265
Name: Ships > Floating platform > Multiple leg
Description: Structures wherein the working surface of the platform is supported by a plurality of depending structural members.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8678733 Structure for transporting and installing or retrieving underwater equipment and method of transporting and of installing or retrieving underwater equipment Mar. 25, 2014
8523491 Mobile, year-round arctic drilling system Sep. 3, 2013
8453588 Float structure for storing liquids Jun. 4, 2013
8430050 System and method for deck-to-column connection for extendable draft offshore platforms Apr. 30, 2013
8398339 Self-tensioning tendon for tension leg platform application Mar. 19, 2013
8387550 Offshore floating platform with motion damper columns Mar. 5, 2013
8381670 Semi-submersible platform body for supporting drilling, storing, treatment or production of hydrocarbons at sea Feb. 26, 2013
8253790 Cylinder stroke system with laser proximity detector Aug. 28, 2012
8220407 Battered column semi-submersible offshore platform Jul. 17, 2012
8220406 Off-shore structure, a buoyancy structure, and method for installation of an off-shore structure Jul. 17, 2012
8210115 Drilling vessel device Jul. 3, 2012
8196539 Battered column offshore platform Jun. 12, 2012
8186170 Floating LNG regasification facility with LNG storage vessel May. 29, 2012
8097150 Wave energy conversion system Jan. 17, 2012
8087373 Interconnection system for floating modules Jan. 3, 2012
7992275 Method for thruster withdrawal for maintenance or vessel transit without the need for an external crane, remote operated vehicle, or diver Aug. 9, 2011
7985108 Modular diesel hydraulic thurster system for dynamically positioning semi submersibles Jul. 26, 2011
7874403 Lubrication system for pin connections Jan. 25, 2011
7871222 Truss semi-submersible offshore floating structure Jan. 18, 2011
7854570 Pontoonless tension leg platform Dec. 21, 2010
7850398 Jackup oil rig and similar platforms Dec. 14, 2010
7832657 Apparatus for lowering water temperature of sea surface Nov. 16, 2010
7686543 System for mounting equipment and structures offshore Mar. 30, 2010
7553106 Method for making a floating offshore drilling/producing structure Jun. 30, 2009
7527450 Selectably operable field mateable pin assembly May. 5, 2009
7503728 Stabilized floating support Mar. 17, 2009
7299760 Floating LNG import terminal and method for docking Nov. 27, 2007
7293939 Inclined leg floating production platform with a damper plate Nov. 13, 2007
7270071 Deep draft semisubmersible movable offshore structure Sep. 18, 2007
7219615 Extended semi-submersible vessel (ESEMI) May. 22, 2007
7131388 Lift boat Nov. 7, 2006
7117810 Platform structure Oct. 10, 2006
7070468 Multi-hull watercraft with amidships-mounted propellers Jul. 4, 2006
7037044 Deck-to-column connection for extendable draft platform May. 2, 2006
7011472 Semi-submersible offshore vessel Mar. 14, 2006
7008140 Buoyant leg structure with added tubular members for supporting a deep water platform Mar. 7, 2006
7001108 Mat supported offshore structure Feb. 21, 2006
6997132 Semi-submersible offshore vessel and methods for positioning operation modules on said vessel Feb. 14, 2006
6935810 Semi-submersible multicolumn floating offshore platform Aug. 30, 2005
6910438 Oscillation suppression and control system for a floating platform Jun. 28, 2005
6899492 Jacket frame floating structures with buoyancy capsules May. 31, 2005
6854411 Semi-submersible offshore platform and methods for positioning operation modules on said platform Feb. 15, 2005
6830413 Ballast system for tension leg platform Dec. 14, 2004
6817309 Cellular spar apparatus and method Nov. 16, 2004
6786678 Apparatus for guiding the legs of a lift boat Sep. 7, 2004
6761124 Column-stabilized floating structures with truss pontoons Jul. 13, 2004
6718901 Offshore deployment of extendable draft platforms Apr. 13, 2004
6718903 Life boat Apr. 13, 2004
6705802 Temporary support for offshore drilling platform Mar. 16, 2004
6701861 Semi-submersible floating production facility Mar. 9, 2004

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