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Class Information
Number: 405/206
Name: Hydraulic and earth engineering > Marine structure or fabrication thereof > Floatable to site and supported by marine floor > With ballasting means to sink or position structure at site > Detachable from structure
Description: Method or apparatus wherein the buoyant compartment is distinct from and removably attached to the construction.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 8251004 |
Device for transporting structures on water |
Aug. 28, 2012 |
| 7958836 |
Stabilizing chamber for use with a mobile offshore unit |
Jun. 14, 2011 |
| 7954658 |
Procedure for descent of equipment to bottom of sea |
Jun. 7, 2011 |
| 7887261 |
Method for the transport of a civil engineering structure in an aquatic medium |
Feb. 15, 2011 |
| 7762744 |
Method and vessel for removing offshore structures |
Jul. 27, 2010 |
| 7311469 |
Floating lowering and lifting device |
Dec. 25, 2007 |
| 7114883 |
Offshore fluid transfer system and method |
Oct. 3, 2006 |
| 7114884 |
Method and apparatus for increasing floating platform buoyancy |
Oct. 3, 2006 |
| 7037947 |
Fischer-Tropsch synthesis process carried out on a floatable structure |
May. 2, 2006 |
| 7033115 |
Temporary floatation stabilization device and method |
Apr. 25, 2006 |
| 7011473 |
Method for underwater transportation and installation or removal of objects at sea |
Mar. 14, 2006 |
| 6893190 |
Method and structure for connecting a floating structure with rope anchor lines to the seabed |
May. 17, 2005 |
| 6857821 |
Device for lifting a seagoing construction such as a drilling rig, provided with lifting members running mutually parallel |
Feb. 22, 2005 |
| 6840713 |
Device for positioning and lifting a marine structure, particularly a platform deck |
Jan. 11, 2005 |
| 6786679 |
Floating stability device for offshore platform |
Sep. 7, 2004 |
| 6676334 |
Work module support vessel |
Jan. 13, 2004 |
| 6648553 |
Load transfer unit and method for removing off-shore platform from substructure |
Nov. 18, 2003 |
| 6565286 |
Method for fabricating and assembling a floating offshore structure |
May. 20, 2003 |
| 6550411 |
Method for removing a jacket of a drilling or production rig and vessel provided with a device therefor |
Apr. 22, 2003 |
| 6517290 |
Loading arrangement for floating production storage and offloading vessel |
Feb. 11, 2003 |
| 6503023 |
Temporary floatation stabilization device and method |
Jan. 7, 2003 |
| 6471444 |
Spar construction method |
Oct. 29, 2002 |
| 6428242 |
Folding support for removable piers and similar structures |
Aug. 6, 2002 |
| 6425710 |
Articulated multiple buoy marine platform apparatus |
Jul. 30, 2002 |
| 6299383 |
Method for deck installations on offshore substructure |
Oct. 9, 2001 |
| 6210075 |
Spar system |
Apr. 3, 2001 |
| 6210076 |
Offshore deck installation |
Apr. 3, 2001 |
| 6132143 |
Method for lifting a sea platform from the substructure |
Oct. 17, 2000 |
| 5924822 |
Method for deck installation on an offshore substructure |
Jul. 20, 1999 |
| 5197825 |
Tendon for anchoring a semisubmersible platform |
Mar. 30, 1993 |
| 5188484 |
Jack-up type offshore oil and gas production platform and method |
Feb. 23, 1993 |
| 5098219 |
Mobile submersible caisson for underwater oil-well drilling and production |
Mar. 24, 1992 |
| 4973200 |
Method for manoeuvering a superstructure element relative to a fixed construction arranged in water, method for constructing a building structure and building structure constructed according t |
Nov. 27, 1990 |
| 4930938 |
Offshore platform deck/jacket mating system and method |
Jun. 5, 1990 |
| 4927296 |
Method and installation for displacing a jacket of an artificial island in relation to an underwater base |
May. 22, 1990 |
| 4909671 |
Method for installation of a buoyant body on a sea bottom |
Mar. 20, 1990 |
| 4869620 |
Method and apparatus for constructing seawalls and docks |
Sep. 26, 1989 |
| 4683832 |
Device and method to set and salvage structures |
Aug. 4, 1987 |
| 4547095 |
Method for the construction, transportation and site installation of a deep-sea lattice structure |
Oct. 15, 1985 |
| 4516882 |
Method and apparatus for conversion of semi-submersible platform to tension leg platform for conducting offshore well operations |
May. 14, 1985 |
| 4473321 |
Method of launching a large floatable object from a dock to water and delaunching it |
Sep. 25, 1984 |
| 4456402 |
Method for increasing the stability of an artificial island by means of pre-loading |
Jun. 26, 1984 |
| 4380406 |
Jackup platform trailer |
Apr. 19, 1983 |
| 4303352 |
Method for the building and putting in place of a sea platform with a gravity resting base, and means for implementing such a method |
Dec. 1, 1981 |
| 4170954 |
Semi-submersible vessel |
Oct. 16, 1979 |
| 4103503 |
Drilling substructure transfer system |
Aug. 1, 1978 |
| 4007598 |
Artificial island and method of assembling the same |
Feb. 15, 1977 |
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