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Class Information
Number: 405/226
Name: Hydraulic and earth engineering > Marine structure or fabrication thereof > With anchoring of structure to marine floor > Including floor modifying means
Description: Method or apparatus wherein the configuration or character of the earthen bed to which the construction is secured is changed.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8668408 Skirted foundation for penetrating soft material Mar. 11, 2014
8647017 Gravity base structure Feb. 11, 2014
8496410 Method and apparatus for penetrating particulate substrates Jul. 30, 2013
8025463 Offshore foundation system with integral elements for preloading and extracting Sep. 27, 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
7690134 Cutoff device with liquid bag Apr. 6, 2010
7635239 Subsea suction pile crane system Dec. 22, 2009
7090434 Caisson removal process Aug. 15, 2006
6887016 Mudmat foundation for subsea equipment May. 3, 2005
6745852 Platform for drilling oil and gas wells in arctic, inaccessible, or environmentally sensitive locations Jun. 8, 2004
6692194 Method for installing a conductor casing through a suction substructure Feb. 17, 2004
6685396 Method and apparatus for suction anchor and mooring deployment and connection Feb. 3, 2004
6457908 Method and apparatus for suction anchor and mooring deployment and connection Oct. 1, 2002
6273645 Position penetrated anchor system Aug. 14, 2001
6257800 Fiberglass mudmat assembly Jul. 10, 2001
6053663 Device for creating a local water flow Apr. 25, 2000
6004075 Mudmats for offshore platform support Dec. 21, 1999
5967700 Lime/cement columnar stabilization of soils Oct. 19, 1999
5382115 Apparatus intended to be buried in ground beneath water Jan. 17, 1995
5259458 Subsea shelter and system for installation Nov. 9, 1993
5248003 Apparatus and method for supporting the free end of a cantilever beam of a cantilevered jack-up rig Sep. 28, 1993
5125769 Floatable structure Jun. 30, 1992
5018904 Sea-bed support device for the legs of a self-elevating oil-rig platform May. 28, 1991
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
4919065 Submarine vehicle intended to measure data at the deep ocean sea-bottom Apr. 24, 1990
4919210 Subsea wellhead protection system Apr. 24, 1990
4830541 Suction-type ocean-floor wellhead May. 16, 1989
4808037 Method and apparatus for removal of submerged offshore objects Feb. 28, 1989
4784528 Method and apparatus for piled foundation improvement with freezing using down-hole refrigeration units Nov. 15, 1988
4773793 Pile having double cone anchor Sep. 27, 1988
4768899 Device and method to cut piles Sep. 6, 1988
4761096 Universal footing with jetting system Aug. 2, 1988
4744698 Method and apparatus for installing marine silos May. 17, 1988
4735526 Method for installing offshore jack-up structures Apr. 5, 1988
4721415 Well base in ocean floor Jan. 26, 1988
4695194 Mobile marine operations structure Sep. 22, 1987
4674919 Off-shore platform structure Jun. 23, 1987
4619556 Method and apparatus for severing a tubular member Oct. 28, 1986
4601612 Sandjet rotating nozzle Jul. 22, 1986
4576521 Permanent mooring method and arrangement Mar. 18, 1986
4571121 Underwater erosion prevention and backfill system with barrier bag installation Feb. 18, 1986
4558744 Subsea caisson and method of installing same Dec. 17, 1985
4510705 Water-bottom rubbles leveling apparatus Apr. 16, 1985
4432671 Suction anchor and method of installing a suction anchor Feb. 21, 1984
4334584 Method and apparatus for installing a sea-floor cellar in a subsea bottom having compacted soil conditions Jun. 15, 1982
4189255 Sea-floor shoring cellar and method of installing same Feb. 19, 1980
4124989 Supports for maritime structures Nov. 14, 1978
4109477 Offshore driller rig Aug. 29, 1978

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