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Class Information
Number: 405/168.4
Name: Hydraulic and earth engineering > Subterranean or submarine pipe or cable laying, retrieving, manipulating, or treating > Submerging, raising, or manipulating line of pipe or cable in or from marine environment > With causing or controlling the deformation of a line > Pipe tensioner
Description: Subject matter comprising means to apply tensile force to a conduit, to control its configuration, as it is being layed from floating means.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8641325 Clamp assembly for a laying tower Feb. 4, 2014
8622655 Pipe-laying vessel and method of laying a pipeline Jan. 7, 2014
8517044 Long distance submerged hydrocarbon transfer system Aug. 27, 2013
8360686 Pipelaying vessel Jan. 29, 2013
8282315 Method of installing an underwater riser Oct. 9, 2012
8251613 Pipeline laying vessel and method of laying a pipeline Aug. 28, 2012
8246273 Assemblage and method for undersea laying of pipeline from a ship spool Aug. 21, 2012
8240954 Marine pipeline installation system and methods Aug. 14, 2012
8104995 Marine pipeline installation tensioner Jan. 31, 2012
8021080 Containerized geophysical equipment handling and storage systems, and methods of use Sep. 20, 2011
7955028 Marine pipelaying system and method for installing an offshore pipeline that includes one or more accessories Jun. 7, 2011
7938598 Marine pipeline installation system and methods May. 10, 2011
7927040 Method for storing, delivering and spooling preassembled pipelines Apr. 19, 2011
7909538 Pipe laying vessel and methods of operation thereof Mar. 22, 2011
7862255 Marine pipelaying system for laying an offshore pipeline Jan. 4, 2011
7581904 Pipelaying vessel Sep. 1, 2009
7226244 System for overload protection for pipe or cable laying structures Jun. 5, 2007
7189028 Underwater pipe-laying Mar. 13, 2007
7029206 Reel type pipeline laying ship and method Apr. 18, 2006
7021865 Apparatus and method for use in laying or recovering offshore pipelines or cables Apr. 4, 2006
6733208 Reel type pipeline laying ship and method May. 11, 2004
6729803 Clamp system for holding a pipe under tension, and a floating support including the system May. 4, 2004
6702519 Reel type pipeline laying ship and method Mar. 9, 2004
6554538 Reel type pipeline laying ship and method Apr. 29, 2003
6524030 Underwater pipe-laying Feb. 25, 2003
6439445 Tensioner Aug. 27, 2002
6361250 Device and method for installing pipes at very great depths Mar. 26, 2002
6328502 Horizontal reel barge Dec. 11, 2001
6120212 Marine pipelaying and handling of rigid pipelines Sep. 19, 2000
5711638 System for deploying cable having nodes into a fluid medium and a blowout preventer Jan. 27, 1998
5692859 Cable handling system Dec. 2, 1997
5655753 Ocean bottom cable handling system and method of using same Aug. 12, 1997
5630678 Apparatus for use in laying an elongated article May. 20, 1997
5573353 Vertical reel pipe laying vessel Nov. 12, 1996
5348423 Device and process for unrolling flexible tubular conduits essentially vertically Sep. 20, 1994
5346333 Process for laying flexible tubular conduits using a plurality of ships Sep. 13, 1994
5197716 Seismic cable deployment apparatus Mar. 30, 1993
4929124 Method and apparatus for constructing and moving long pipelines May. 29, 1990
4917540 Pipeline laying system and vessel with pipeline straightening and tensioning device Apr. 17, 1990
4808035 Pneumatic riser tensioner Feb. 28, 1989
4799827 Modular riser tensioner incorporating integral hydraulic cylinder accumulator units Jan. 24, 1989
4787778 Method and apparatus for tensioning a riser Nov. 29, 1988
4759662 TLP marine riser tensioner Jul. 26, 1988
4687378 Temporarily terminating laying of underwater pipe line Aug. 18, 1987
4541754 Device and process for lowering a connector suspended from guide line to a guide column installed on an underwater station Sep. 17, 1985
4477207 Marine riser buoyancy assembly Oct. 16, 1984
4433938 Method and apparatus for lowering and positioning a pipe line onto the bottom of a deep water Feb. 28, 1984
4379657 Riser tensioner Apr. 12, 1983
RE30846 Submarine pipeline laying vessel Jan. 12, 1982
4297054 Method of laying offshore pipeline from a reel carrying vessel Oct. 27, 1981

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