| Patents for F16L 1 - Laying or reclaiming pipes; Repairing or joining pipes on or under water (7,464) |
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| 10/30/2013 | CN101484739B Marine pipeline installation tensioner and marine pipeline installation boat |
| 10/29/2013 | US8571709 Remote controlled vehicle |
| 10/29/2013 | US8568061 Polyurethane foams for trench breaker and other applications |
| 10/29/2013 | US8568059 Method and device for laying pipelines in the ground |
| 10/24/2013 | US20130280973 Floatation device for pipe |
| 10/24/2013 | US20130279989 Clamp assembly for pipe-laying vessel and method of laying a pipeline |
| 10/23/2013 | EP2652378A1 Envelope element for a pipeline, mold for manufacture thereof, and method for covering a pipeline |
| 10/23/2013 | CN203248839U Crow bar for direct burial type water pipe abutting connector adjusting |
| 10/23/2013 | CN203247627U Seabed excavating device |
| 10/23/2013 | CN103363191A Buried non-metallic pipeline positioning and marking method |
| 10/23/2013 | CN103363190A Pipeline wall pulley |
| 10/23/2013 | CN103363189A Step-stress (SS) technology suitable for horizontal directional drilling |
| 10/23/2013 | CN101762622B Trenchless construction large-diameter pipeline corrosion controlling and monitoring system |
| 10/22/2013 | US8562255 Bending restrictor assembly for use with a pipeline section |
| 10/18/2013 | CA2794265A1 Plumbing path guide apparatus |
| 10/17/2013 | WO2013155172A1 Bending restrictor assembly for use with a pipeline section |
| 10/17/2013 | WO2013153508A1 A method for removing from a terrain a buried pipe and a cutting machine used for actuating to method |
| 10/17/2013 | DE102012103151A1 Vorrichtung und Anordnung zum Ziehen eines Zugmittels Device and arrangement for pulling a traction device |
| 10/16/2013 | CN203240125U Pipeline centering and positioning device |
| 10/16/2013 | CN203240094U Submarine pipeline positioning and laying system |
| 10/16/2013 | CN203240093U PVC expansion joint reserved gap limit device and water discharging pipeline |
| 10/16/2013 | CN203240092U Disassembly type pipe ditch anti-collapse shed |
| 10/16/2013 | CN203240091U Tube drawing machine |
| 10/16/2013 | CN203240090U Detachable relaying chamber |
| 10/16/2013 | CN203240089U Corrosion-resistant saddle weight |
| 10/16/2013 | CN103353019A Relay device of flexible joint steel structure |
| 10/15/2013 | US8556539 Trenchless drainage structure replacement |
| 10/15/2013 | US8556538 Deployable optical fiber cartridge |
| 10/10/2013 | WO2013149983A1 Assembly consisting of a flexible tubular pipe for transporting hydrocarbon fluids and a secondary metal tube |
| 10/10/2013 | WO2012148875A3 Apparatus and methods for connecting hoses subsea |
| 10/10/2013 | US20130266380 Systems and methods for off-shore energy production and CO2 sequestration |
| 10/10/2013 | DE102012006770A1 Compression device for introducing pipe strings in soil, has abutment portions supported on roller carriage, which are provided for receiving the driving force equivalent to the driving shaft |
| 10/10/2013 | CA2796536A1 Bending restrictor assembly for use with a pipeline section |
| 10/09/2013 | EP2646725A1 Marine mounting provided with a device for storing and guiding hoses |
| 10/09/2013 | EP2646724A2 Improvements in or relating to laying offshore pipelines |
| 10/09/2013 | CN203230947U Short-distance pipe jacking machine |
| 10/09/2013 | CN103348550A A laying machine and a blade assembly |
| 10/09/2013 | CN103343689A Full-functional slurry balance push pipe |
| 10/08/2013 | CA2527790C Pipeline ballast and method of use |
| 10/03/2013 | WO2013144944A1 Integrated endoscope irrigation |
| 10/03/2013 | WO2013144819A1 A support device for an elongate article |
| 10/03/2013 | WO2013144724A2 Pipeline and method of laying a pipeline |
| 10/03/2013 | WO2013144633A1 Apparatus for improving flanged connections |
| 10/03/2013 | WO2013096702A3 A passive alarm to prevent buried infrastructure damage |
| 10/03/2013 | WO2013072688A3 Improved clamping device |
| 10/03/2013 | US20130259578 Apparatus and method for providing access to a buried pipe |
| 10/03/2013 | US20130259577 Subsea position control system for elongate articles |
| 10/02/2013 | EP2643621A1 Device for tensioning and clamping an elongate element of tubular shape |
| 10/02/2013 | CN203222423U Automatic winding and unwinding device of pneumatic monorail crane air pipe |
| 10/02/2013 | CN103339428A Clamp assembly for pipe-laying vessel and method of laying a pipeline |
| 10/02/2013 | CN103335187A Submarine glass fiber reinforced plastic pipeline joint and method for performing submarine glass fiber reinforced plastic pipeline lunching construction by joint |
| 10/02/2013 | CN103335169A Geotechnical engineering investigation method |
| 10/02/2013 | CN103334762A Oil-pressure top pipe synchronous rod |
| 09/26/2013 | US20130251457 Pipe float |
| 09/26/2013 | US20130251456 Apparatus and method of laying an elongate article from a vessel |
| 09/26/2013 | US20130251455 Ship Having a Bridge Comprising a Cavity with a Built-In Rotary Plate |
| 09/25/2013 | EP2642171A1 Clamp connector arrangement |
| 09/25/2013 | CN203215069U Mechanically disassembling and storing device for flexible pipeline |
| 09/25/2013 | CN203215068U Continuous laying device for steel pipelines |
| 09/25/2013 | CN103328872A Pipe-joining method for building hydrocarbon pipelines, in particular, underwater pipelines |
| 09/25/2013 | CN103322298A Pulley bracket for cable laying in tunnel |
| 09/25/2013 | CN103322297A Method for laying coal transporting pipeline and communication optical cable in same ditch across road through heavy excavation |
| 09/25/2013 | CN103322296A Method for determining pipeline critical burial depth in debris flow areas |
| 09/25/2013 | CN103322295A Method for laying long-distance coal delivery pipeline and communication optical fiber cables in one ditch |
| 09/24/2013 | CA2718877C Virtual white lines for indicating planned excavation sites on electronic images |
| 09/24/2013 | CA2691707C Marking apparatus having enhanced features for underground facility marking operations, and associated methods and systems |
| 09/19/2013 | WO2013137745A1 Multilayer pipeline in a polymer material, device for manufacture of the multilayer pipeline and a method for manufacturing the multilayer pipeline |
| 09/19/2013 | US20130243530 Deep Trench Rod Loader Apparatus |
| 09/19/2013 | US20130243529 Marine tensioner |
| 09/19/2013 | US20130240076 Pipe element for constructing a double walled pipeline |
| 09/18/2013 | EP2638608A1 Machine for sawing trenches and placing ducts/cables |
| 09/18/2013 | EP2638314A2 A marine tensioner |
| 09/18/2013 | CN203202402U Tensioner for pipe laying ship |
| 09/18/2013 | CN203202401U Pipeline hoisting device for axial movement of pipelines |
| 09/18/2013 | CN103302489A Secondary locking mechanism of underwater horizontal connector installing tool |
| 09/18/2013 | CN102037266B Pipe gripping assembly |
| 09/17/2013 | US8538225 Communications ducting system and method of laying same |
| 09/17/2013 | CA2592175C Pipeline buoyancy control assembly and tiedown attachment |
| 09/12/2013 | WO2013133716A1 Improved reeling system |
| 09/12/2013 | WO2013133662A1 Method for laying sensing line for sensing the damaged point in buried pipe, and sensing tape suitable for the method |
| 09/12/2013 | DE102012004762A1 Device for expanding bore hole up to large diameter, has delivery line extending from region of cutting wheel inside machine pipe, and outlet located in rear portion of machine pipe, where support plate is connected with machine pipe |
| 09/11/2013 | CN203189871U Pipe embracing device |
| 09/11/2013 | CN103292036A Assembled curved steel jacking pipe joint and jacking method thereof |
| 09/11/2013 | CN103292035A Construction method of underground pipe jacking |
| 09/11/2013 | CN103292034A Waste drip tape recycling machine |
| 09/11/2013 | CN102179128B Pipeline for conveying active parched desulfurization gas and mounting method thereof |
| 09/11/2013 | CN101631929B A connector |
| 09/10/2013 | US8529156 Bit adapter and tube return for vertizontal geothermal loop |
| 09/06/2013 | WO2013130235A1 Apparatus, systems and methods for sealing and severing a subsea pipeline |
| 09/06/2013 | WO2013128279A1 Umbilical |
| 09/06/2013 | WO2013126983A1 Line pipe tray |
| 09/04/2013 | EP2634466A1 Gripping device for gripping underwater pipelines at the laying stage |
| 09/04/2013 | EP2633215A1 Modular device for the storage and handling of a plurality of flexible pipes |
| 09/04/2013 | EP2633214A1 Ship having a bridge comprising a cavity with a built-in rotary plate |
| 09/04/2013 | CN203176535U Intermediate jacking station of relay jacking steel pipes |
| 09/04/2013 | CN103277584A Lead screw driving and jacking system |
| 09/04/2013 | CN103277583A Submarine pipeline seaborne horizontal opening butt joint method without mounting residual stress |
| 09/04/2013 | CN103277582A Method for mounting inclined shaft internal pressure steel tube |
| 09/04/2013 | CN102374337B On-site random length installation and construction method and pipe assembly for pipe network |
| 09/04/2013 | CN101696758B Corrosion control method of trenchless construction large diameter pipeline |