| Patents for F16L 1 - Laying or reclaiming pipes; Repairing or joining pipes on or under water (7,464) |
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| 06/01/2011 | CN102080520A Deepwater subsea manifold structure |
| 05/26/2011 | WO2011063337A2 Deployment mechanism and method for overboard pump |
| 05/26/2011 | US20110123273 Marine pipeline installation system and methods |
| 05/26/2011 | US20110123272 Method and Apparatus for Laying Offshore Pipeline from a Vessel |
| 05/26/2011 | DE102008047060B4 Gewindeverbindung Threaded connection |
| 05/25/2011 | CN201844115U Carrier roller of S-shaped stinger used in deepwater |
| 05/25/2011 | CN201844114U Aligning platform for prefabrication of station pipelines |
| 05/25/2011 | CN201844113U Mud discharge device of soil pressing balance pipe jacking machine |
| 05/25/2011 | CN102072360A Pipe-jacking cathode protection embedding device and embedding method thereof |
| 05/25/2011 | CN102072359A Curved-jacked steel pipe section and jacking method |
| 05/25/2011 | CN101649929B Deep sea flange connecting bolt library screwing device |
| 05/24/2011 | US7946790 Installation comprising at least two bottom-surface connections for at least two undersea pipes resting on the sea bottom |
| 05/19/2011 | WO2011028432A3 Flexible catenary riser having distributed sag bend ballast |
| 05/18/2011 | CN102066820A Pipe-laying vessel and method of laying a pipeline |
| 05/18/2011 | CN102062258A Submarine pipeline bending arrestor with stability support and fixing method thereof |
| 05/18/2011 | CN101346572B Offshore system |
| 05/17/2011 | USRE42358 Subsea vehicle assisted pipeline commissioning method |
| 05/17/2011 | US7942609 Method and device for trenchless pipe laying |
| 05/17/2011 | US7942608 Anchoring collar |
| 05/11/2011 | CN102052517A Horizontal connecting system for regional underground vertical pipes and connecting construction method thereof |
| 05/10/2011 | US7938598 Marine pipeline installation system and methods |
| 05/05/2011 | WO2011051221A1 Reeling and unreeling an internally clad metal pipeline |
| 05/05/2011 | WO2011051218A1 Reeling and unreeling an internally clad metal pipeline |
| 05/05/2011 | US20110103894 Marine pipelaying system and method |
| 05/04/2011 | CN201818900U Outgoing anti-deviation device for large-caliber push bench |
| 05/04/2011 | CN102047015A Apparatus and method for cutting tubular parts subsea |
| 05/04/2011 | CN102039988A Deep-water seafloor pipe laying work boat with self-installing winding drum and work method thereof |
| 05/04/2011 | CN101684868B Pipeline ballast mechanism of pipe laying tensioner |
| 04/28/2011 | WO2011048480A1 Method of abandoning an underwater pipeline on the bed of a body of water |
| 04/28/2011 | WO2011048430A1 Methods of reel-laying a mechanically lined pipe |
| 04/28/2011 | WO2010059035A8 Improved pipeline support |
| 04/28/2011 | US20110097157 Deep Water Pipe Preparation Machine |
| 04/28/2011 | US20110097156 Pipe Laying Apparatus and Method |
| 04/28/2011 | US20110097152 Helically-reinforced horizontal water-gathering pipe having multi-diameter and method of inserting the helically-reinforced horizontal water-gathering pipe |
| 04/28/2011 | CA2719275A1 Thermal conductive cylinder installed with u-type core piping and loop piping |
| 04/27/2011 | EP2126437B1 Lay ramp for an underwater-pipeline laying vessel, lay ramp actuating method, and laying vessel comprising such a lay ramp |
| 04/27/2011 | CN201810875U Special float for pipeline |
| 04/27/2011 | CN102037266A Pipe gripping assembly |
| 04/27/2011 | CN102032393A Small-bore long distance curved pipe jacking method |
| 04/21/2011 | WO2011046488A1 Pipe assembly and disassembly tool |
| 04/21/2011 | US20110091285 Apparatus for placing foundation devices, and/or pipes, and/or augers into the ground, as an attachment for the boom of a construction vehicle |
| 04/21/2011 | US20110091284 Rigid Hull Gas-Can Buoys Variable Buoyancy |
| 04/21/2011 | DE202007019228U1 Vorrichtung zum unterflurigen Verlegen von Membranschläuchen Apparatus for unterflurigen laying membrane hoses |
| 04/20/2011 | EP2312192A1 Knit corrugated protective sleeve |
| 04/20/2011 | EP2311161A2 Assembly method for segments of a gas-insulated electrical cable to be interconnected and magazine unit for carrying out said method |
| 04/20/2011 | EP1281902B1 Method and device for lining construction in sewer followed by simultaneous filling of back-fill material |
| 04/20/2011 | CN201802977U Novel pipe-in-pipe buckle arrestor |
| 04/20/2011 | CN201802976U Tube push bench with telescopic anti-deflection wing |
| 04/20/2011 | CN102027278A Marine pipelaying system and method |
| 04/20/2011 | CN102022585A Submarine pipeline buckling preventing device, and manufacturing method and mounting method thereof |
| 04/20/2011 | CN101463923B Assembling method for jacketed pipe and its pipe lining apparatus |
| 04/20/2011 | CN101225908B Tube draught transportation installation method and apparatus |
| 04/19/2011 | US7927040 Method for storing, delivering and spooling preassembled pipelines |
| 04/19/2011 | CA2460245C Apparatus to mechanically load a compression member |
| 04/14/2011 | WO2011043672A1 A tool for a horizontal connecting device |
| 04/14/2011 | WO2011043671A1 Horizontal connecting device |
| 04/14/2011 | WO2011042790A1 Gripper for continuous elongated members, vehicle movable along a continuous elongated member, and method of advancing the vehicle |
| 04/14/2011 | CA2774878A1 A tool for a horizontal connecting device |
| 04/14/2011 | CA2774875A1 Horizontal connecting device |
| 04/13/2011 | CN201795165U Integrated underwater pipe clamp |
| 04/13/2011 | CN201795164U Gas delivery pipe guard plate |
| 04/13/2011 | CN201795163U Rotating base bricked up by composite bricks for three-fork process pipeline with inner lining refractory material |
| 04/13/2011 | CN102011889A Holing device for short-distance underpass |
| 04/13/2011 | CN101551039B Pipeline tensioning device for pipe laying ship |
| 04/12/2011 | US7922855 Method for guiding everting form employed to carry repair material into pipe or conduit |
| 04/07/2011 | WO2011040187A1 Jacking force-transmitting material, jacking pipe provided with same, and mold for foam-molding jacking force-transmitting material |
| 04/07/2011 | WO2011039592A1 Method for the installation of optical fibre sensors along pipelines used in fluid transportation |
| 04/07/2011 | WO2011001231A3 Method of joining two portions of an underwater pipeline for conducting fluids and/or gas |
| 04/07/2011 | US20110081204 Pipeline guide assemblies |
| 04/07/2011 | US20110081203 Movable pipeline tee |
| 04/06/2011 | EP2304293A2 Method of spooling a bi-metallic pipe |
| 04/06/2011 | EP2303679A1 An improved seawater suction system |
| 04/06/2011 | CN201784891U Giant steel pipe inner supporting tight-jacking threaded structure |
| 04/06/2011 | CN102003145A Hole driven type horizontal directional drilling reverse circulation hole dilating drill |
| 04/06/2011 | CN102003140A Traversing reverse circulating drilling method of horizontal directional drilling pipeline and special drilling bit |
| 03/31/2011 | WO2011037459A1 Offshore vessel for laying a pipeline on the seabed, and a method for handling pipe sections |
| 03/31/2011 | WO2011036547A1 Hoisting method and assembly for abandoning and/or recovering an underwater pipeline from a laying vessel, and laying vessel equipped with such a hoisting assembly |
| 03/31/2011 | WO2011036237A1 Vertical offshore flexible pipeline assembly |
| 03/30/2011 | CN201779358U Tube loading device dedicated for grain heap |
| 03/30/2011 | CN101997293A Pipe jacking construction process |
| 03/29/2011 | US7914233 Method and apparatus for installing an underground pipe |
| 03/24/2011 | WO2011034438A1 Load transferring subsea structure |
| 03/24/2011 | WO2011033462A2 A method for laying pipes and a machine for actuating the method |
| 03/24/2011 | WO2010120521A3 Articulating drill method and apparatus for cutting openings in nested strings of underwater piping and/or tubing for overturned wells or platforms |
| 03/24/2011 | US20110070029 Vessel with abandoning and recovering system for pipelines, method, and use of said vessel and system |
| 03/24/2011 | DE102010004672A1 Device for supporting rehabilitation of pipeline of subsoil drain in dump body, has inner drilling device including coordinate determining device for determining three-dimensional coordinates of drilling device in pipelines or on surface |
| 03/24/2011 | DE102009042681A1 Method for operating e.g. propulsion device for half-open pipe drive, involves moving propulsion machine forwardly and backwardly such that propulsion machine is operated over hydraulic transition region of hydraulic excavator |
| 03/24/2011 | DE102009040475B3 Method for trenchless introducing pipe into soil, involves applying longitudinal forces after introducing pipe, and directing longitudinal forces opposite to forces exerted for introducing pipe to compensate conditional extension of pipe |
| 03/24/2011 | CA2774630A1 A method for laying pipes and a machine for actuating the method |
| 03/24/2011 | CA2773641A1 Load transferring subsea structure |
| 03/23/2011 | CN201772143U Adjustable gas pipe protection device |
| 03/22/2011 | US7909539 Rod pulling and pushing machine for pipe bursting |
| 03/22/2011 | US7909538 Pipe laying vessel and methods of operation thereof |
| 03/17/2011 | WO2011030124A1 Method of laying a pipeline in a seabed |
| 03/17/2011 | WO2010120516A3 Method and apparatus of hot tapping multiple coaxial or nested strings of underwater piping and/or tubing for overturned wells or platforms |
| 03/17/2011 | US20110064524 Diver operated jetting sled and method |
| 03/17/2011 | DE202009014843U1 Manschette zur Herstellung einer Verbindung zwischen zwei Rohrelementen aus Polymermaterial Cuff for producing a connection between two tubular elements of polymeric material |
| 03/16/2011 | CN201764099U Arch-shaped buoyancy control pressure bag for pipeline |
| 03/16/2011 | CN201763350U Pulling jack device for underground concealed box culvert or pipe construction |
| 03/16/2011 | CN101184948B Marine pipelaying system for laying an offshore pipeline |