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Class Information
Number: 405/202
Name: Hydraulic and earth engineering > Marine structure or fabrication thereof > With pivotal connection between work deck and base
Description: Method or apparatus wherein the construction includes a platform on which, or from which a work operation is to be performed, which platform is attached by a shaft or bearing to a supporting portion of the construction such that a limited degree of oscillation between said supporting portion and the platform is permitted.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8439606 Cantilever skidding system on a drilling rig May. 14, 2013
7874403 Lubrication system for pin connections Jan. 25, 2011
7527450 Selectably operable field mateable pin assembly May. 5, 2009
7293939 Inclined leg floating production platform with a damper plate Nov. 13, 2007
7138038 Expandable anode pod Nov. 21, 2006
6869325 Rotating tower system for transferring hydrocarbons to a ship Mar. 22, 2005
6692190 Articulated multiple buoy marine platform apparatus Feb. 17, 2004
6435774 Articulated multiple buoy marine platform apparatus Aug. 20, 2002
6435773 Articulated multiple buoy marine platform apparatus and method of installation Aug. 20, 2002
6428242 Folding support for removable piers and similar structures Aug. 6, 2002
6425710 Articulated multiple buoy marine platform apparatus Jul. 30, 2002
6220787 Ship type floating oil production system Apr. 24, 2001
5899639 Offshore structure for extreme water depth May. 4, 1999
5873677 Stress relieving joint for riser Feb. 23, 1999
5738464 Curvature limiter for a pipe running in a marine environment Apr. 14, 1998
5536117 Offshore tower structure and method of installating the same Jul. 16, 1996
5486070 Method for conducting offshore well operations Jan. 23, 1996
5480266 Tensioned riser compliant tower Jan. 2, 1996
5447390 Process for manufacturing a variable stiffness line and associated element Sep. 5, 1995
5447392 Backspan stress joint Sep. 5, 1995
5439324 Bumper docking between offshore drilling vessels and compliant platforms Aug. 8, 1995
5199821 Method for conducting offshore well operations Apr. 6, 1993
5197826 Offshore gas flare system Mar. 30, 1993
5195848 Method and system for developing offshore hydrocarbon reserves Mar. 23, 1993
5061131 Structure and method for restraining motion of a marine structure Oct. 29, 1991
5044828 Support tower for offshore well Sep. 3, 1991
5044829 Mooring system Sep. 3, 1991
5044450 Spar-buoy boring derrick and mooring facility Sep. 3, 1991
5040607 Production system for subsea oil wells Aug. 20, 1991
5039255 Termination for kinkable rope Aug. 13, 1991
4990029 Mooring system Feb. 5, 1991
4968180 Oscillating marine platform connected via a shear device to a rigid base Nov. 6, 1990
4911483 Resilient ball joint support Mar. 27, 1990
4893965 System for offshore operations Jan. 16, 1990
4884918 Method and apparatus for cellular construction structure Dec. 5, 1989
4856827 Resilient ball joint support Aug. 15, 1989
4854781 Variable rigidity element for transfer column foot Aug. 8, 1989
4854777 Mechanical connector Aug. 8, 1989
4813815 Buoyant, elastically tethered articulated marine platform Mar. 21, 1989
4810135 Compliant offshore structure with fixed base Mar. 7, 1989
4797033 Anchor line-stabilized system Jan. 10, 1989
4797034 Oscillating marine platform with a rigid base Jan. 10, 1989
4793739 Offshore structure Dec. 27, 1988
4781497 Tension-restrained articulated platform tower Nov. 1, 1988
4746247 Stabilizing ring for interlocking load ring/back flange interface May. 24, 1988
4741647 Guide tube for a flexible upright riser for marine petroleum exploitation May. 3, 1988
4740109 Multiple tendon compliant tower construction Apr. 26, 1988
4738567 Compliant jacket for offshore drilling and production platform Apr. 19, 1988
4721412 Offshore safety escape platform Jan. 26, 1988
4717288 Flex joint Jan. 5, 1988

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