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Class Information
Number: 405/223.1
Name: Hydraulic and earth engineering > Marine structure or fabrication thereof > Tension leg platform
Description: Subject matter comprising an offshore platform which has depending members that are anchored to the bed of a body of water and hold the platform in position by being placed under tension.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
4938632 Tension leg platform and method for installation of the same Jul. 3, 1990
4938630 Method and apparatus to stabilize an offshore platform Jul. 3, 1990
4934870 Production platform using a damper-tensioner Jun. 19, 1990
4923337 Prestressed steel tube, in particular for making anchor lines for taut line type production platforms, a method of handling and installing such a tube, and a platform including such a tube May. 8, 1990
4913238 Floating/tensioned production system with caisson Apr. 3, 1990
4913592 Floating structure using mechanical braking Apr. 3, 1990
4909671 Method for installation of a buoyant body on a sea bottom Mar. 20, 1990
4907914 Tether connector for a tension leg platform Mar. 13, 1990
4906139 Offshore well test platform system Mar. 6, 1990
4895481 Non-rigid marine platform with surface wellheads Jan. 23, 1990
4892444 Resilient unit Jan. 9, 1990
4859117 Reversible mechanical coupling, particularly for tensional anchorages Aug. 22, 1989
4818147 Tendon for anchoring a semisubmersible platform Apr. 4, 1989
4808035 Pneumatic riser tensioner Feb. 28, 1989
4793738 Single leg tension leg platform Dec. 27, 1988
4787778 Method and apparatus for tensioning a riser Nov. 29, 1988
4784529 Mooring apparatus and method of installation for deep water tension leg platform Nov. 15, 1988
4759662 TLP marine riser tensioner Jul. 26, 1988
4664558 Reversible mechanical coupling for tensional anchorages May. 12, 1987
4636114 Buoyancy-supported struts for ocean platforms Jan. 13, 1987
4630970 Buoyancy system for submerged structural member Dec. 23, 1986
4619557 Corrosion protection for mooring and riser elements of a tension leg platform Oct. 28, 1986
4611953 TLP tendon bottom connector Sep. 16, 1986
4589801 Composite mooring element for deep water offshore structures May. 20, 1986
4521135 Pressurized gas filled tendons Jun. 4, 1985
4498814 Releasable anchor connector for tension leg platform Feb. 12, 1985
4491439 Tendon latch Jan. 1, 1985
4470724 Tying system for offshore terminal Sep. 11, 1984
4470721 Crane assembly for floatable oil/gas production platforms Sep. 11, 1984
4437794 Pyramidal offshore structure Mar. 20, 1984
4432670 Combination connector and flex joint for underwater tension elements Feb. 21, 1984
4422806 Sliding tension leg tower Dec. 27, 1983
4421436 Tension leg platform system Dec. 20, 1983
4395160 Tensioning system for marine risers and guidelines Jul. 26, 1983
4386874 Method for installation of a mooring cable Jun. 7, 1983
4374630 Anchor connector for tension leg Feb. 22, 1983
4367982 Safety device for anchored marine structure Jan. 11, 1983
4364323 Vertical stressed mooring tether in a floating oil platform Dec. 21, 1982
4358219 Method for confining an uncontrolled flow of hydrocarbon liquids Nov. 9, 1982
4320993 Tension leg platform mooring tether connector Mar. 23, 1982
4285615 Corrosion resistant tension leg cables Aug. 25, 1981
4281613 Method of and apparatus for mooring a floating structure Aug. 4, 1981
4198179 Production riser Apr. 15, 1980
4185694 Marine riser system Jan. 29, 1980
4174628 Marine riser measuring joint Nov. 20, 1979
4114393 Lateral support members for a tension leg platform Sep. 19, 1978
4062313 Installation of vertically moored platforms Dec. 13, 1977
4048945 Removable anchor having retrievable ballast Sep. 20, 1977
4040262 Ice anchor Aug. 9, 1977
3986471 Semi-submersible vessels Oct. 19, 1976

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