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Class Information
Number: 405/224.1
Name: Hydraulic and earth engineering > Marine structure or fabrication thereof > With anchoring of structure to marine floor > Pressure holding or loosening means
Description: Subject matter comprising a suction means to hold the base of an offshore structure to the seabed or jet means to loosen the base from the seabed.










Patents under this class:

Patent Number Title Of Patent Date Issued
8684629 Sea floor anchoring apparatus Apr. 1, 2014
8573891 Tension buoyant tower Nov. 5, 2013
8568063 Mooring system for floating arctic vessel Oct. 29, 2013
8398339 Self-tensioning tendon for tension leg platform application Mar. 19, 2013
8215871 Tideway anchor system Jul. 10, 2012
8025463 Offshore foundation system with integral elements for preloading and extracting Sep. 27, 2011
8021082 Suction pile suitable for shallow depths Sep. 20, 2011
8011857 Extraction system for removable marine footing Sep. 6, 2011
7891910 Foundation structure Feb. 22, 2011
7845882 Subsea suction pile crane system Dec. 7, 2010
7736094 Self-contained burying device for submerged environments Jun. 15, 2010
7686543 System for mounting equipment and structures offshore Mar. 30, 2010
7661905 Suction pile installation method and suction pile for use in said method Feb. 16, 2010
7635239 Subsea suction pile crane system Dec. 22, 2009
7604710 Modular floating water evaporation system Oct. 20, 2009
7527455 Anchor installation system May. 5, 2009
7407342 Offshore wind energy system with non-skid feet Aug. 5, 2008
7090434 Caisson removal process Aug. 15, 2006
6910831 Method for installing a pile anchor Jun. 28, 2005
6886637 Cylinder-stem assembly to floating platform, gap controlling interface guide May. 3, 2005
6851895 Methods of and apparatus for mooring and for connecting lines to articles on the seabed Feb. 8, 2005
6848863 Engineered material buoyancy system and device Feb. 1, 2005
6554541 Method and device adapted for use in the placing of a suction anchor with an attached anchor chain or similar on the ocean bed Apr. 29, 2003
6488446 Marine structure Dec. 3, 2002
6481932 Marine structure Nov. 19, 2002
6443660 Method and system for manipulating an object located underwater Sep. 3, 2002
6273645 Position penetrated anchor system Aug. 14, 2001
6244786 Method for offshore load transfer operations and, a floater for offshore transport installation and removal of structural elements Jun. 12, 2001
6203248 Sliding-resistant bottom-founded offshore structures Mar. 20, 2001
6132144 Passive anchor latch Oct. 17, 2000
6113315 Recoverable system for mooring mobile offshore drilling units Sep. 5, 2000
6082391 Device for hybrid riser for the sub-sea transportation of petroleum products Jul. 4, 2000
5992060 Method of and apparatus for anchor installation Nov. 30, 1999
5324141 Mooring apparatus and method of installation for deep water tension leg platform Jun. 28, 1994
5002434 Method and apparatus for placing a hollow column in the hard bottom of a body of water in particular in a rock bottom Mar. 26, 1991
4761096 Universal footing with jetting system Aug. 2, 1988
4755082 Removable bottom founded structure Jul. 5, 1988
4721415 Well base in ocean floor Jan. 26, 1988
4695192 Flapper-type sealing system for a removable bottom founded structure Sep. 22, 1987
4695198 Lip-type sealing system for a removable bottom founded structure Sep. 22, 1987
4695199 Elastomeric bearing pad and seal for a removable bottom founded structure Sep. 22, 1987
4695200 Membrane seal for a removable bottom founded structure Sep. 22, 1987
4695201 Removable bottom founded structure Sep. 22, 1987
4695196 Pad-type inflatable seal for a removable bottom founded structure Sep. 22, 1987
4693637 Gravity type oceanic structure and its stable installation Sep. 15, 1987
4662789 Hydrostatic coupling device May. 5, 1987
4045967 Apparatus for supporting a drilling platform on the ocean floor Sep. 6, 1977
3967393 Underwater solids collecting apparatus Jul. 6, 1976
3965687 Apparatus for anchoring a structure to the floor of a body of water Jun. 29, 1976











 
 
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