| Patents for F16L 1 - Laying or reclaiming pipes; Repairing or joining pipes on or under water (7,464) |
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| 06/26/2013 | CN203023632U Non-excavation sensing-type jacking pipe for bridge construction |
| 06/26/2013 | CN203023631U Prestressed steel cylinder concrete pipe installation device |
| 06/26/2013 | CN103180648A Ship having a bridge comprising a cavity with a built-in rotary plate |
| 06/26/2013 | CN103174878A Soft pipeline winding-up device and winding-up method |
| 06/25/2013 | US8469634 Method and system of depth triggers for marine geophysical survey cable retriever systems |
| 06/25/2013 | US8469633 Vessel with abandoning and recovering system for pipelines, method, and use of said vessel and system |
| 06/25/2013 | US8469632 Vessel for laying a pipeline and comprising an A and R means |
| 06/20/2013 | WO2013090388A1 Subsea structure flowline connector assembly |
| 06/20/2013 | WO2013089561A1 Marine pipelaying vessel and method for pipelaying |
| 06/20/2013 | US20130156505 Frame for trenchless pipe replacement system and method |
| 06/19/2013 | CN203010006U Gravity type normal-pressure dry type cabin with oppositely-opened bottom doors |
| 06/19/2013 | CN203010005U Suspension mechanism for installing and recovering deepwater subsea pipeline end termination |
| 06/19/2013 | CN203010004U Locking device for folding subsea pipeline terminal wing plate |
| 06/19/2013 | CN203010003U Crawler-type pipelayer with swing arm clamping device |
| 06/19/2013 | CN203010002U Self-compaction reinforcing and impermeable guide pipe pipe-jacking device |
| 06/19/2013 | CN203009422U Full-hydraulic transmission system of earth pressure balance tube push bench |
| 06/19/2013 | CN203009419U Hydraulic driving system of cutter head of push bench |
| 06/19/2013 | CN103162013A Combined strengthening type bulking-preventing device capable of preventing submarine pipeline from bulking-propagation |
| 06/19/2013 | CN103162012A Machine head drive and sealing device of slurry balance tube push bench |
| 06/19/2013 | CN103162011A Punching rock breaking barrier cleaning method in pipe-jacking construction |
| 06/19/2013 | CN103161959A Tube push bench sealing device with replaceable deviation rectifying section |
| 06/19/2013 | CN102434717B Construction method of joist steel pipe-jacking work pit |
| 06/19/2013 | CN102359660B Method for installing deep-water vertical pipe |
| 06/13/2013 | WO2013083927A1 Implementation of a fluid transportation pipe with flexible hold |
| 06/13/2013 | WO2013083926A1 Assembly for transporting liquid via pipes and associated floating structure |
| 06/13/2013 | WO2013083780A1 Method and vessel for laying a pipeline |
| 06/13/2013 | CA2857993A1 Method and vessel for laying a pipeline |
| 06/12/2013 | EP2601429A1 Plastic tubular connecting sleeve for a pipe with internal liner |
| 06/12/2013 | CN103148285A Pipeline self-locking, clasping and pushing device and usage method thereof |
| 06/06/2013 | US20130142575 Method of Laying a Pipeline from a Laying Vessel onto the Bed of a Body of Water, and Laying Vessel |
| 06/06/2013 | US20130142574 Method for planarizing unevenness of the seabed |
| 06/05/2013 | EP2600047A1 Pipeline regeneration pipe |
| 06/05/2013 | EP2598784A1 Pipe stand |
| 06/05/2013 | CN202972183U Ballast device, tensioning device comprising the same and pipe paving equipment |
| 06/05/2013 | CN202972182U Strong current protective tube |
| 06/05/2013 | CN103133771A Three-way shunting blocking device and blocking regeneration method thereof |
| 06/05/2013 | CN103133770A Varied-Wall-thickness integrated buckle arrestor with side plates |
| 06/05/2013 | CN103133769A Method for placing cement briquettes of submarine pipeline |
| 06/05/2013 | CN103133768A Water jetting head of submarine pipeline and cable burying device |
| 06/05/2013 | CN103133767A Seabed steel pipe burying device and burying method thereof |
| 06/05/2013 | CN103133766A Over-length heavy caliber steel jacking pipe mud resistance reducing system |
| 06/05/2013 | CN103133765A Method and device of real-time automatic guidance of underground trenchless pipeline construction |
| 05/30/2013 | US20130136542 Sub-sea apparatus and operating method |
| 05/30/2013 | US20130136541 Spring loaded J bar T handle |
| 05/30/2013 | US20130136540 Welding method of a first to a second tubular, the tubulars comprising a corrosion resistant alloy on an internal face thereof |
| 05/29/2013 | CN202953783U Special device for installing air hose |
| 05/29/2013 | CN103123018A Plough type suspended span submarine pipeline dumping device |
| 05/29/2013 | CN103123017A Shallow sea long-distance submarine pipeline tension-free laying construction technology |
| 05/29/2013 | CN103123016A Construction method for laying gas pipelines along bridge |
| 05/29/2013 | CN101749024B Pipe-pulling construction method of underground buried box culvert |
| 05/28/2013 | US8449221 Method and apparatus for repairing a damaged section of a subsea pipeline |
| 05/28/2013 | CA2599135C Pipe tensioner machine |
| 05/23/2013 | WO2013072628A1 Hydrant |
| 05/23/2013 | US20130129458 Automated system for laying pipe |
| 05/23/2013 | US20130129452 Marine load raising and lowering system |
| 05/23/2013 | US20130129424 Method of constructing concrete pipelines of large diameter in an area of laying, a device for the method |
| 05/23/2013 | US20130126500 Welding and other operations during j-lay pipelaying |
| 05/23/2013 | US20130126096 Plant for manufacturing a rigid pipe for drawing up deep water within an offshore platform |
| 05/23/2013 | CA2856068A1 Hydrant |
| 05/22/2013 | CN202946764U Pipe installation machine |
| 05/22/2013 | CN202946165U Slurry type hydraulic drive jacking pipe |
| 05/22/2013 | CN103119474A Magnetomechanical markers for marking stationary assets |
| 05/22/2013 | CN103118832A Pipeline insertion system |
| 05/22/2013 | CN103115192A Method of strengthening deep water seafloor pipeline stability |
| 05/21/2013 | US8444345 Floatation collar for protecting and positioning a sensor package |
| 05/16/2013 | WO2013070077A1 Method and device for coupling floating pipe sections |
| 05/16/2013 | WO2013070074A1 Method for filling a gap in the coating of a pipeline coated with a coating, preferably a thermo-insulating coating |
| 05/16/2013 | WO2013067631A1 Apparatus containing multiple sequentially used infrared heating zones for tubular articles |
| 05/16/2013 | WO2013008022A3 Improvements relating to pipelaying |
| 05/16/2013 | US20130121769 Pipe laying device |
| 05/16/2013 | CA2854953A1 Apparatus containing multiple sequentially used infrared heating zones for tubular articles |
| 05/16/2013 | CA2853752A1 Method for filling a gap in the coating of a pipeline coated with a coating, preferably a thermo-insulating coating |
| 05/15/2013 | CN202937883U Suspension device, ballasting device including suspension devices and pipe laying tensioner including ballasting devices |
| 05/15/2013 | CN202937882U Tension mechanism, ballast device including the same and pipe paving tensioner |
| 05/15/2013 | CN103104262A Mud water type hydraulic driving jacking pipe |
| 05/15/2013 | CN102518873B Method for paving large-diameter pipeline in soft soil in jacking and pulling combined manner |
| 05/15/2013 | CN101852311B Pipe-jacking installation method of bypass pipeline |
| 05/14/2013 | US8439604 Pipe support system and method for use in underground pipe ramming |
| 05/14/2013 | US8439248 Methods and associated apparatus of constructing and installing rigid riser structures |
| 05/09/2013 | US20130115010 Pipe Stand |
| 05/09/2013 | US20130115009 Lateral buckling mitigation apparatus, methods and systems for use with subsea conduits |
| 05/09/2013 | US20130115008 Undersea pipe-laying |
| 05/09/2013 | US20130115007 Abandonment and recovery of pipelines |
| 05/09/2013 | US20130115006 System for subsea cable installation |
| 05/09/2013 | US20130115005 Agricultural tubing extractor and related methods |
| 05/08/2013 | EP2588787A1 Drainage pipes |
| 05/08/2013 | CN202927253U Relay jacking relaying device |
| 05/08/2013 | CN103090108A Simple and easy underwater flange installation machine |
| 05/08/2013 | CN103090107A Rectangular large section steel structure assembled temporary support pipe joint jack-in mechanism |
| 05/08/2013 | CN101715408B Pipelaying vessel |
| 05/02/2013 | WO2012056132A8 Ship having a deck comprising a cavity with a built-in rotary plate |
| 05/02/2013 | DE102012016528A1 Leitung zum Transport eines flüssigen oder gasförmigen Mediums Line for transporting a liquid or gaseous medium, |
| 04/30/2013 | US8430601 System for deploying fabric cloth in marine sediment |
| 04/25/2013 | WO2013057445A1 Method for installing a self-supporting tower for extracting hydrocarbons |
| 04/25/2013 | WO2013008023A3 Improvements relating to pipelaying |
| 04/25/2013 | WO2012161579A3 Pipe-laying system for laying pipes in water, vessel provided therewith and method therefor |
| 04/25/2013 | US20130099558 Welding module including dual cycle power system |
| 04/25/2013 | DE202012000584U1 Vorrichtung zum Verbinden von Rohren beziehungsweise zum Trennen einer Rohrverbindung Device for connecting pipes or for cutting a pipe joint |
| 04/24/2013 | EP2583903A2 Process for making opaque polyester containers |
| 04/24/2013 | EP2583890A1 Marine pipelaying system and method |