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Class Information
Number: 405/224
Name: Hydraulic and earth engineering > Marine structure or fabrication thereof > With anchoring of structure to marine floor
Description: Method or apparatus relating to the fixing of the construction to the earthen bed of the body of water.










Sub-classes under this class:

Class Number Class Name Patents
405/225 By grouting preformed structure 77
405/227 By pile extending through sleeve in structure 248
405/224.2 By riser pipe 282
405/226 Including floor modifying means 60
405/228 Pile driving 124
405/224.1 Pressure holding or loosening means 49


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12

Patent Number Title Of Patent Date Issued
8690480 Freestanding hybrid riser system Apr. 8, 2014
8683935 Disconnectable chain connector Apr. 1, 2014
8684629 Sea floor anchoring apparatus Apr. 1, 2014
8684630 Underwater reinforced concrete silo for oil drilling and production applications Apr. 1, 2014
8678707 Well-head blowout containment system Mar. 25, 2014
8668408 Skirted foundation for penetrating soft material Mar. 11, 2014
8662793 Floating wind farm with energy storage facility Mar. 4, 2014
8662792 Seat portion structure for a hydraulic turbine engine Mar. 4, 2014
8657534 Floating platform with improved anchoring Feb. 25, 2014
8657535 Tideway positioning system Feb. 25, 2014
8647017 Gravity base structure Feb. 11, 2014
8613569 Stationary positioned offshore windpower plant (OWP) and the methods and means for its assembling, transportation, installation and servicing Dec. 24, 2013
8608408 Secondary column enhanced tension leg platform Dec. 17, 2013
8579547 Vessel comprising transverse skirts Nov. 12, 2013
8568063 Mooring system for floating arctic vessel Oct. 29, 2013
8567194 Floating platform with detachable support modules Oct. 29, 2013
8523491 Mobile, year-round arctic drilling system Sep. 3, 2013
8517638 Underwater structure, construction method therefor, and design method and renovation method of underwater-side structure Aug. 27, 2013
8517639 Installation of underwater anchorages Aug. 27, 2013
8444348 Modular offshore platforms and associated methods of use and manufacture May. 21, 2013
8430602 System for increased floatation and stability on tension leg platform by extended buoyant pontoons Apr. 30, 2013
8425156 Underwater buoy with modular members Apr. 23, 2013
8398339 Self-tensioning tendon for tension leg platform application Mar. 19, 2013
8342777 Floating support including a turret fitted with a disconnectable buoy for mooring bottom-to-surface connection pipes and method Jan. 1, 2013
8292546 Liquid storage, loading and offloading system Oct. 23, 2012
8292548 Method and apparatus for improving the lateral support provided by the legs of a jack-up drilling rig Oct. 23, 2012
8267032 Dual column semisubmersible for offshore application Sep. 18, 2012
8262319 Freestanding hybrid riser system and method of installation Sep. 11, 2012
8251005 Spar structures Aug. 28, 2012
8235629 Submerged floating foundation with blocked vertical thrust as support base for wind turbine, electrolyser and other equipment, combined with fish farming Aug. 7, 2012
8215871 Tideway anchor system Jul. 10, 2012
8196539 Battered column offshore platform Jun. 12, 2012
8186912 Hybrid riser tower and methods of installing same May. 29, 2012
8182176 Tendon-supported membrane pipe May. 22, 2012
8152411 Guide arrangement Apr. 10, 2012
8087849 Battered column tension leg platform Jan. 3, 2012
8057127 Systems and methods for assembling an offshore support system for use with a wind turbine Nov. 15, 2011
8025463 Offshore foundation system with integral elements for preloading and extracting Sep. 27, 2011
8016520 Connector for releasable connection between an anchorage in the form of a female part arranged on a floating means and a male part formed at the end of a retrievable umbilical Sep. 13, 2011
8016521 Method for deploying a deepwater mooring spread Sep. 13, 2011
7976245 Mooring Jul. 12, 2011
7976246 System for deploying a deepwater mooring spread Jul. 12, 2011
7914234 Method and apparatus for restraining a tendon top connector in reverse loading conditions Mar. 29, 2011
7854570 Pontoonless tension leg platform Dec. 21, 2010
7845882 Subsea suction pile crane system Dec. 7, 2010
7819073 Floating wind turbine installation Oct. 26, 2010
7766581 System, method, and apparatus for independent retention of a locking device on mooring connections Aug. 3, 2010
7752989 Deep water high capacity anchoring system and method of operation thereof Jul. 13, 2010
7686543 System for mounting equipment and structures offshore Mar. 30, 2010
7674073 Modular concrete substructures Mar. 9, 2010

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