| Patents for F16L 1 - Laying or reclaiming pipes; Repairing or joining pipes on or under water (7,464) |
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| 04/24/2013 | CN202901552U Multifunctional water supply-and-drain pipe |
| 04/24/2013 | CN202901534U Deepwater submarine pipeline buckle arrestor |
| 04/24/2013 | CN202901533U Novel support pipe frame motion compensation equipment |
| 04/24/2013 | CN202901532U Novel hydraulic internally-pulling device for prestressed concrete cylinder pipe (PCCP) installation |
| 04/24/2013 | CN202901531U Overhead device of cables |
| 04/24/2013 | CN202901530U Pipeline regeneration pipe |
| 04/24/2013 | CN103062499A Submarine pipeline relocation process without stopping production in dry normal-pressure environment |
| 04/24/2013 | CN103062498A Laying method of emergency water pipelines |
| 04/24/2013 | CN102359661B Method for manufacturing and fixing submarine pipeline buckle arrestor on basis of morphological energy adsorption |
| 04/24/2013 | CN102269297B Tightener for pipe-laying ship |
| 04/24/2013 | CN102269296B Laying process for submarine pipeline traversing floating type production oil-storing device system |
| 04/24/2013 | CN102235548B Installation device for deepwater stand pipes and underwater facilities |
| 04/24/2013 | CN101975311B Process pipeline divergence lining refractory virtual linear construction method |
| 04/24/2013 | CN101684869B Gravity-type atmospheric dry chamber |
| 04/18/2013 | US20130094910 Pipeline laying apparatus and method |
| 04/18/2013 | US20130092491 Power supply apparatus for on-line electric vehicle, method for forming same and magnetic field cancelation apparatus |
| 04/17/2013 | CN202884251U Pipe fitting supporting seat |
| 04/17/2013 | CN103047797A Vertical S-type pipe laying mode of ground source heat pump |
| 04/17/2013 | CN103047478A In-hole sectioning installation method for penstocks with overlarge diameters |
| 04/17/2013 | CN102434716B Flexible pipe assisted type pipeline returning method |
| 04/11/2013 | DE102011115461A1 Pipe line for pipeline system, has insulating material provided at periphery, where insulating material comprises conductive medium degrading resistance of insulating material |
| 04/10/2013 | EP2578913A1 Flexible product reel cartridge |
| 04/10/2013 | EP2577140A1 Subsea position control system for elongate articles |
| 04/10/2013 | EP2576331A1 Marine load raising and lowering system |
| 04/10/2013 | EP2576130A2 A pipeline insertion system |
| 04/10/2013 | CN202868151U Reinforced concrete sleeve for heating power jacking construction |
| 04/10/2013 | CN202868048U Drawer type modularization steel structure pipe galley system |
| 04/10/2013 | CN103032629A Pushing device of self-compaction reinforcing and anti-seepage pilot pipe and use method thereof |
| 04/10/2013 | CN103032628A Construction method of pipeline in difficult construction environment |
| 04/10/2013 | CN101218414B Method and installation for connecting a rigid submarine pipeline and a flexible submarine pipeline |
| 04/09/2013 | US8414224 Underwater pipe-laying apparatus and method |
| 04/04/2013 | WO2013046184A1 Method and system for securing a pipeline to the bed of a body of water |
| 04/04/2013 | WO2012134680A3 Systems and methods for replacing, repositioning and repairing a section of subsea pipe located on a seabed |
| 04/04/2013 | US20130084135 Apparatus and method of laying pipeline |
| 04/03/2013 | EP2574416A1 Thermal control apparatus |
| 04/03/2013 | CN202852198U Plugging device for annular space of undersea double-layer oil pipeline |
| 04/03/2013 | CN202852197U Non-excavation correcting device for pipeline centre line deviation after pipe-jacking construction |
| 04/03/2013 | CN202852196U Pipeline installation movable mental sliding plate |
| 04/03/2013 | CN202852195U Laying device of underground deep long-distance casing pipe |
| 04/03/2013 | CN202852194U Device and system of under ground pipeline repair without excavation of pneumatic burst pipe |
| 04/03/2013 | CN103016843A Pipeline mounting machine and construction method thereof |
| 04/03/2013 | CN103016842A Reverse construction method for directly buried heat exchanger of ground source heat pump in mucky soft foundation |
| 04/03/2013 | CN103016841A In-situ synchronous removal and exhaust transformation method of underground medium and low-pressure gas pipes |
| 04/03/2013 | CN103016840A Pipe distributing method by pipe threading in draining |
| 04/02/2013 | US8408842 Connection arrangement for subsea connection of fluid conduits |
| 04/02/2013 | US8408617 Gripping device for gripping underwater pipelines at the laying stage, and relative auxiliary gripping tool |
| 03/28/2013 | CA2790904A1 Tubing squeeze-off apparatus |
| 03/27/2013 | EP2572216A2 Seabed installations |
| 03/27/2013 | CN202834388U Pneumatic proportion control system for internal clamp for mountainous region |
| 03/27/2013 | CN202834387U Pipe penetrating device |
| 03/27/2013 | CN202834386U Three-dimensional hyperbolic steel pipe jacking axis formed transitional device |
| 03/27/2013 | CN202834385U Three-dimensional hyperbolic curve steel pushing pipe articulated pipe structure |
| 03/27/2013 | CN202834384U Sleeve type joint of pipeline under pressure |
| 03/27/2013 | CN202834383U Pipeline foundation structure with cement paste flexible bags |
| 03/27/2013 | CN202834382U Pipe pushing headpiece used for condition of sludge clay |
| 03/27/2013 | CN202834381U Three-dimensional hyperbolic curve steel pushing pipe rectifying device |
| 03/27/2013 | CN202834380U Pipe-jacking construction guide pipe provided with deviation rectification wing board |
| 03/27/2013 | CN202833982U Combined speed reducer of tube bush bench |
| 03/27/2013 | CN102996898A Assembled jacking pipe relaying intermediate |
| 03/27/2013 | CN102996897A Special device for installing air hose |
| 03/21/2013 | US20130071191 Sub-sea apparatus and operating method |
| 03/21/2013 | US20130070565 Seabed installations |
| 03/21/2013 | US20130070558 Multiple receiver line deployment and recovery |
| 03/21/2013 | DE102011053793A1 Method for dig-less horizontal laying of pipes in ground, involves filling fluid medium in longitudinal direction of pipe, and causing fluidization of surrounding soil due to piecewise migratory increase of diameter of pipe |
| 03/21/2013 | CA2790244A1 Pipe aligning tool |
| 03/20/2013 | EP2569565A1 Method of laying a pipeline from a laying vessel onto the bed of a body of water, and laying vessel |
| 03/20/2013 | EP2569564A1 Cable pull-in system and method for offshore structures |
| 03/20/2013 | CN202812462U Detachable intermediate relaying jacking station hydraulic cylinder steel support |
| 03/20/2013 | CN102985851A Seabed installations |
| 03/20/2013 | CN102979957A Anti-seepage slurry treatment method for horizontal continuous jacking pipe |
| 03/20/2013 | CN102278117B Parallel pipe jacking construction simulation device |
| 03/19/2013 | US8398336 Pipe structure and methods of laying and use of a pipeline including such a pipe structure |
| 03/14/2013 | WO2013036128A1 Improved method of gripping a pipeline |
| 03/14/2013 | US20130064606 Seabed-to-Surface Linking Equipment Including a Flexible Pipe Guiding Structure |
| 03/13/2013 | CN202790908U Offshore pipe-laying vessel stinger supporting roller device |
| 03/13/2013 | CN202790907U High-pressure water jet and gas lift pipeline sinking machine tool |
| 03/13/2013 | CN202790906U Seabed pipeline protector |
| 03/13/2013 | CN202790905U Pipeline crossing device for pipeline crossing construction |
| 03/13/2013 | CN202790904U Monorail trolley transportation device for construction of pipeline corridor frame of process pipeline |
| 03/13/2013 | CN102966793A Slurry balance type tube push bench and circulative slurry deslagging method |
| 03/13/2013 | CN101852312B Pull tube mounting method of passing pipeline |
| 03/12/2013 | US8394475 Industrial polyolefin piping system |
| 03/12/2013 | CA2700268C Method to lay a pipeline in circles on the water in a horizontal plane |
| 03/07/2013 | WO2013030599A1 A connector arrangement for a subsea pipeline |
| 03/07/2013 | US20130058192 Ocean bottom seismic cable recording apparatus |
| 03/07/2013 | CA2846458A1 A connector arrangement for a subsea pipeline |
| 03/06/2013 | EP2564013A2 Drilling or extraction pipe string |
| 03/06/2013 | CN202769045U Device for lowering and mounting sea floor bridging pipes |
| 03/06/2013 | CN202769044U Electronic control system for pipeline withdrawing apparatus |
| 03/06/2013 | CN202769043U Controlled release wireless core sampler device capable of replacing wired core sampler |
| 03/06/2013 | CN102959300A Pipeline renewal pipe |
| 03/06/2013 | CN102954285A Multifunctional underwater fixing support |
| 03/06/2013 | CN102182869B Limit control device for delivery pipeline terminal |
| 03/06/2013 | CN102162554B Method and structure of laying ore pulp pipelines in districts of earthquake fracture zone |
| 02/28/2013 | WO2013004643A3 Initiation of lightweight flexible pipelines and umbilicals |
| 02/28/2013 | US20130051922 Method and device for laying pipelines in the ground |
| 02/28/2013 | US20130051921 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 |
| 02/28/2013 | US20130051920 Reel lay system |
| 02/27/2013 | CN102943945A Earthquake-proof protection method for pipeline projects passing through fault zones |
| 02/27/2013 | CN102943925A Deepwater subsea pipeline flexion stopper |