| Patents for F16L 1 - Laying or reclaiming pipes; Repairing or joining pipes on or under water (7,464) |
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| 07/12/2012 | WO2012093122A1 Device for laying a duct in an expanse of water, and related structure and method |
| 07/12/2012 | US20120177444 Method For Laying Pipes And A Machine For Actuating The Method |
| 07/12/2012 | US20120177443 Clamp Assembly For A Laying Tower And A Method Thereof |
| 07/12/2012 | US20120175872 Pipe joining device |
| 07/12/2012 | DE102011000738B3 Expansion tool for expanding through-hole in ground, has elastically deformable element that elastically deforms when exerting pulling force on connection portion such that tensile force is exerted on expansion portion |
| 07/11/2012 | CN102575796A A tool for a horizontal connecting device |
| 07/11/2012 | CN102575795A Horizontal connecting device |
| 07/11/2012 | CN102563229A Settlement-preventing pipe jacking |
| 07/11/2012 | CN102561406A Construction method for controlling back soil body deformation of open caisson |
| 07/05/2012 | WO2012091560A2 Tubular installation system and method |
| 07/05/2012 | WO2012091556A1 Marine pipeline installation system and methods |
| 07/05/2012 | US20120170980 Pipe bursting apparatus |
| 07/04/2012 | EP2470745A2 Flexible catenary riser having distributed sag bend ballast |
| 07/04/2012 | CN202302301U 一种粉质砂土地段顶管用钢质管帽 One kind of silty sand lots of top steel pipe cap |
| 07/04/2012 | CN202302300U 组合式管道安装作业平台 Combined pipe installation work platform |
| 07/04/2012 | CN202290532U 用于液化土层式管道铺设机的空气振动器 For liquefied soil type pipelayer air vibrator |
| 07/04/2012 | CN102537518A Flange catcher |
| 07/04/2012 | CN102537517A Construction technology for jacking pipe in river or lake |
| 07/04/2012 | CN102537516A Sandy soil pipe jacking anti-drag mud sleeve forming device |
| 07/04/2012 | CN102537515A Sedimentation-prevention type prestressing jacking pipe |
| 07/04/2012 | CN102537514A Clamping rotary device of trenchless construction machinery |
| 07/04/2012 | CN102530734A Movable portal crane |
| 07/04/2012 | CN102062258B Submarine pipeline bending arrestor with stability support and fixing method thereof |
| 07/04/2012 | CN101929579B Method for laying dry quenching instrument pipeline |
| 07/04/2012 | CN101832425B Installation method of underwater tee joint of seabed pipeline |
| 07/04/2012 | CN101737560B Ordinary state uncompensated direct burying method of high-temperature hot water pipeline |
| 07/04/2012 | CN101501293B Apparatus and method for controlling motion of a bend stiffener |
| 07/04/2012 | CN101333921B Water borne conduit wiring suspension device |
| 07/04/2012 | CN101156013B Sea pipe distribution system and method of off-land pipeline with one or more fittings |
| 07/03/2012 | US8210775 Apparatus and method for controlling motion of a bend stiffener |
| 07/03/2012 | CA2757795A1 Polygon-shaped carbide tool pick |
| 06/28/2012 | WO2012083375A1 An apparatus, an assembly, a vehicle and a method for forming a drainage assembly within and along an elongate trench |
| 06/28/2012 | US20120163920 Support assembly for a drive mechanism for the installation of geothermal conduits adjacent a foundation wall inside or outside a building structure |
| 06/27/2012 | EP2467632A2 An offshore s-lay pipelaying vessel |
| 06/27/2012 | CN202284681U 一种管道穿越沟槽的结构 Construction of a pipeline across the trench |
| 06/27/2012 | CN102518873A Method for paving large-diameter pipeline in soft soil in jacking and pulling combined manner |
| 06/27/2012 | CN101929583B Deep water submarine pipeline axial aiming machine |
| 06/27/2012 | CN101657664B System usable with a pipe laying vessel, vessel comprising the system and method used for laying the pipe on seabed |
| 06/27/2012 | CN101158270B Prime hole reverse pushing construction method in horizontal orienting drilling and prime hole reverse pushing device |
| 06/23/2012 | CA2726392A1 Pipeline weighting device and method |
| 06/21/2012 | WO2012081976A1 Envelope element for a pipeline, mold for manufacture thereof, and method for covering a pipeline |
| 06/21/2012 | WO2012024799A3 Apparatus and method for providing a flange on a pipe |
| 06/20/2012 | CN102510969A Device for redirecting the flow of a fluid in a first pipe or tube to at least a second pipe, tube or hose without stopping the flow of the fluid |
| 06/20/2012 | CN102510968A System for identifying joints of elements to be assembled intended for forming an assembly such as, in particular, a pipeline or a tank, and identification method used in such a system |
| 06/20/2012 | CN102506231A Pipe placing device for ground source heat pump buried pipe |
| 06/20/2012 | CN101627245B Method of laying pipe strings on board of pipe-laying vessels |
| 06/19/2012 | US8202023 Self-standing riser and buoyancy device deployment and positioning system |
| 06/14/2012 | WO2012078071A1 Ballast material for underwater main pipelines and ballast material of increased density for underwater main pipelines |
| 06/14/2012 | US20120148348 System for reeling pipeline |
| 06/14/2012 | CA2847171A1 Ballast material for underwater main pipelines and ballast material of increased density for underwater main pipelines |
| 06/13/2012 | EP2462369A1 Tubular handling system and method for handling tubulars |
| 06/13/2012 | EP1836375B1 System for power supply to subsea installations |
| 06/13/2012 | CN102494190A Tertiary elastic element serially connected variable-rigidity elastic hanging device |
| 06/13/2012 | CN102494189A Integrated adjustable lateral support device |
| 06/13/2012 | CN102494188A Pre-stressing device for rectangular pipe jacking pipe joints and construction method thereof |
| 06/07/2012 | WO2012073223A2 Improvements in or relating to laying offshore pipelines |
| 06/07/2012 | WO2012072497A1 Marine mounting provided with a device for storing and guiding hoses |
| 06/07/2012 | US20120141211 Method and device for laying pipelines in the ground |
| 06/06/2012 | EP2459918A1 System, method and apparatus for subsea installation of buoyancy modules |
| 06/06/2012 | CN202266753U 一种快速连接顶管管节装置 A quick connection means the top tube section |
| 06/06/2012 | CN102486243A Pipeline fixing device |
| 06/06/2012 | CN102032393B Small-bore long distance curved pipe jacking method |
| 05/31/2012 | WO2012069778A1 Closure assembly for pipe end |
| 05/31/2012 | WO2012069473A1 Device for tensioning and clamping an elongate element of tubular shape |
| 05/31/2012 | US20120134752 Deploying sensor arrays |
| 05/31/2012 | US20120134751 Underwater pipe-laying |
| 05/30/2012 | EP2457008A2 Assemblage and method for undersea laying of pipeline from a ship spool |
| 05/30/2012 | EP2457007A1 Method for laying a pipeline on the seabed and a pipeline installation device |
| 05/30/2012 | EP2456659A1 Multipurpose deepwater vessel |
| 05/30/2012 | EP2304293B1 Method of spooling a bi-metallic pipe |
| 05/30/2012 | CN202252338U Plum-blossom pipe clamp for ground source heat pump air conditioner |
| 05/30/2012 | CN202252337U Petroleum pipeline fixing bag |
| 05/30/2012 | CN102483183A 结构管道支承系统 Structural support system piping |
| 05/30/2012 | CN102482922A 一种具有分布式悬垂弯曲压载物的柔性悬链形提升管 Flexible catenary curved shape having a distributed ballast hanging risers |
| 05/30/2012 | CN102478127A Tensioner supporting frame |
| 05/30/2012 | CN102478126A 地源热泵系统竖直地埋管换热器用原泥(砂)浆自沉式灌砂方法 Ground source heat pump system vertical ground heat exchangers used in the original mud (sand) from the sink-type filling sand slurry method |
| 05/30/2012 | CN101761690B Pipe-jacking boring machine with recyclable core parts |
| 05/30/2012 | CN101760747B Pipeline outer wall anti-corrosion cathode protection device and construction installation method of filling material thereof |
| 05/29/2012 | US8186910 Universal method and apparatus for deploying flying leads |
| 05/24/2012 | US20120125906 Thermally isolated heated pipeline made of double casing sections and laying process for such a pipeline |
| 05/24/2012 | DE102010051646A1 Method for installing pipes, involves immersing loose gravel with bentonite suspension, filling slit-pit with bentonite suspension, inserting pipe with pressing system, and starting clock pulse |
| 05/23/2012 | CN202228786U MPP (Modified Polypropylene) traction pipe |
| 05/23/2012 | CN202228785U Jack type pipe-jacking head for long transmission pipeline |
| 05/23/2012 | CN202228784U Comprehensive pipeline trench of large workshop for processing copper and copper alloy plate strips |
| 05/23/2012 | CN102472417A Pipeline regeneration pipe |
| 05/23/2012 | CN101501532B Detection system suitable for identifying and tracking buried pipes or others bodies buried in the ground or embedded in civil engineering works |
| 05/23/2012 | CN101482195B Non-compensation cold mounting method for large diameter heat supply pipeline |
| 05/22/2012 | US8182176 Tendon-supported membrane pipe |
| 05/21/2012 | DE202011050148U1 Kabelpflug mit Raupenfahrwerk Cable plow on tracks |
| 05/18/2012 | WO2012064275A1 Machine for sawing trenches and placing ducts/cables |
| 05/18/2012 | WO2012064271A1 Method for placing at least one duct/communication cable below a road surface in an area |
| 05/18/2012 | WO2012030994A3 Trenching machine with rear guide |
| 05/18/2012 | CA2817162A1 Polymer tube comprising an identification sensor, and method for manufacturing same |
| 05/17/2012 | US20120121339 Method and system for laying underground a continuous elongated member in a bed of a body of water |
| 05/17/2012 | US20120119562 Mine safety system |
| 05/16/2012 | EP2453264A2 Polymer tube comprising an identification sensor and method for manufacturing same |
| 05/16/2012 | CN102459767A Group and method for laying and burying pipelines at the seafloor |
| 05/16/2012 | CN102454828A Pipeline recycling and discarding technology in deepwater S-shaped submarine pipeline laying process |
| 05/16/2012 | CN102454827A Pipeline transportation and installation method in tunnel or culvert |
| 05/16/2012 | CN102454268A Wall and floor construction method for household decoration |