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Class Information
Number: 405/197
Name: Hydraulic and earth engineering > Marine structure or fabrication thereof > With work deck vertically adjustable relative to floor > Sectional leg
Description: Method or apparatus wherein a columnar member is composed of a plurality of interconnected or nested segments.










Patents under this class:

Patent Number Title Of Patent Date Issued
8292548 Method and apparatus for improving the lateral support provided by the legs of a jack-up drilling rig Oct. 23, 2012
7815398 Methods of positioning an elevating support vessel Oct. 19, 2010
7527450 Selectably operable field mateable pin assembly May. 5, 2009
7138038 Expandable anode pod Nov. 21, 2006
6030148 Method for improving the feasibility of a drilling rig of jack-up type and a drilling rig of jack-up type Feb. 29, 2000
5807028 Bottom supporting construction for a leg end of a displaceable jack-up platform Sep. 15, 1998
4969776 Offshore platforms Nov. 13, 1990
4678372 Raising method and device, in particular for an oil exploiting platform Jul. 7, 1987
4604001 Jackdown tension leg platform Aug. 5, 1986
4425056 Tension control system for controlling the tension in platform supporting tension legs. Jan. 10, 1984
4397370 Surf service vehicle Aug. 9, 1983
4359795 Bridge piers Nov. 23, 1982
4122646 Equilateral derrick structure Oct. 31, 1978
4117691 Floating offshore drilling platform Oct. 3, 1978
4073155 Sea platform construction Feb. 14, 1978
4041711 Method and apparatus for quickly erecting off-shore platforms Aug. 16, 1977
3996754 Mobile marine drilling unit Dec. 14, 1976
3967457 Self-elevating offshore drilling unit legs Jul. 6, 1976











 
 
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