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Subsea 7 Limited patents

Recent patent applications related to Subsea 7 Limited. Subsea 7 Limited is listed as an Agent/Assignee. Note: Subsea 7 Limited may have other listings under different names/spellings. We're not affiliated with Subsea 7 Limited, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "S" | Subsea 7 Limited-related inventors

Field joint arrangement for a pipeline and protecting method thereof

A method protects a field joint of a pipeline, where chamfered edges of thermally-insulating parent coatings on conjoined pipe lengths are in mutual opposition about a longitudinally-extending gap. The method includes manufacturing an hourglass-shaped inner layer around the pipe lengths, which layer may be moulded. ... Subsea 7 Limited

Testing the bending behaviour of rigid pipes

A pipe-bending rig has an anchorage for holding a proximal end of a pipe and a bending former that presents a convex forming surface toward a side of a pipe when the pipe is held by the anchorage to extend distally from the anchorage. A pipe-bending drive exerts lateral force on the pipe to deflect a distal end of the pipe, which effects plastic bending of the pipe along its length against the forming surface. ... Subsea 7 Limited

Apparatus and method for subsea liquid mixing and sampling

A submersible mixing and sampling apparatus with submersible supply systems (12, 14) for first and second liquid components such as a thermoset resin and a curing agent is disclosed. Each supply system has a respective submersible tank (24) for holding a respective one of the liquid components. ... Subsea 7 Limited

Subsea dynamic load absorber

A load absorber dampens relative movement between subsea bodies. The load absorber is cooperable with an actuating member such as a male piston element or a female cup on an opposed subsea body. ... Subsea 7 Limited

Subsea drying system

A subsea drying system (10) for drying a chamber (12) underwater has an upstream piping (24, 26, 28) for conveying a pressurized drying fluid from a source (18) to the chamber (12); and downstream piping (36, 38, 40) for expelling liquid displaced from the chamber (12) by the drying fluid in an open-loop dewatering mode. In a closed-loop dehumidifying mode, a recirculation path (54) between the downstream piping (36, 38, 40) and the upstream piping (24, 26, 28) conveys drying fluid exiting the chamber (12) back into the chamber (12) after passing through a dehumidifier (58). ... Subsea 7 Limited

Techniques for joining lined pipelines

A connector for lined pipelines includes a tube having opposed male interface elements extending inwardly from respective ends of the tube. One or more circumferential permeable chokes project radially from each male interface element. ... Subsea 7 Limited

Subsea hosting of unmanned underwater vehicles

A method of hosting an autonomous underwater vehicle (“auv”) at a subsea location lowers at least one auv basket to a subsea location adjacent at least one preinstalled subsea structure. The subsea structure has provision for electrical power to be provided to it. ... Subsea 7 Limited

Transportation and installation of elongate subsea elements

A method of handling a discrete elongate subsea element of determinate length, such as a spool of rigid pipe is disclosed. The method includes shortening a tensile chord system acting on longitudinally-spaced locations on the element to apply longitudinally-compressive forces to the element. ... Subsea 7 Limited

Subsea replaceable fuse assembly

A subsea-replaceable fuse assembly has at least one fuse and a wet-mateable fuse connector element. The connector element is arranged to connect the fuse assembly to a subsea electrical load requiring protection of the fuse. ... Subsea 7 Limited

Method of and system for coating a field joint of a pipe

A method of coating a field joint of a pipeline places at least one body having a thermoplastics material around the field joint. The body is heated in a mould cavity around the field joint to effect thermal expansion of the thermoplastics material. ... Subsea 7 Limited

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This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. is not affiliated or associated with Subsea 7 Limited in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Subsea 7 Limited with additional patents listed. Browse our Agent directory for other possible listings. Page by