| Patents for F16L 1 - Laying or reclaiming pipes; Repairing or joining pipes on or under water (7,464) |
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| 02/12/2014 | CN203431306U Tensioner for pipe-laying ship |
| 02/12/2014 | CN103574170A Adjustable pipeline support |
| 02/12/2014 | CN103574160A Method for designing pipeline passing by strike-slip fault with shock peak value larger than 0.4g |
| 02/12/2014 | CN103574159A Pipeline pushing machine |
| 02/12/2014 | CN103574158A Super-large diameter pressure steel tube inclined shaft three-hanging-point installation method |
| 02/11/2014 | US8647019 Facility having fanned seabed-to-surface connections |
| 02/11/2014 | US8647016 Submarine pipeline towing equipment, system and process |
| 02/11/2014 | CA2639059C Axially-tensioned pipe joint |
| 02/06/2014 | WO2014020353A1 Alignment device, and method of alignment using an alignment device |
| 02/06/2014 | WO2014020270A1 High-strength grid with reinforced bonding for buried networks or devices |
| 02/06/2014 | US20140037385 Method for the assisted installation of an underwater riser |
| 02/06/2014 | US20140037384 Cable hang-off arrangement |
| 02/06/2014 | DE102012213640A1 Pipe connecting device for connecting two drainage pipes, has two clamping devices formed for holding pipes that are aligned with each other on holding, where clamping devices are connected to each other through connection unit |
| 02/06/2014 | DE102009012613B4 Verfahren und Vorrichtung zum Einbringen eines Rohrs in eine Bohrung im Erdreich Method and apparatus for inserting a tube into a bore in the ground |
| 02/05/2014 | EP2691683A1 An autonomous pipeline buckle arresting isolation tool |
| 02/05/2014 | CN203421292U Lifting unlocking type locking device |
| 02/05/2014 | CN103557366A Submarine pipeline protection device in shallow sea reclamation area |
| 02/05/2014 | CN103557365A Construction method based on load graded transition protection device for subsea pipeline in shallow sea reclamation area |
| 02/05/2014 | CN103557364A Deflection-preventing jacking pipe machine |
| 02/05/2014 | CN102588675B Method for protectively recovering flexible tube from deep water |
| 02/04/2014 | US8641325 Clamp assembly for a laying tower |
| 02/04/2014 | US8641324 Oil transport pipes |
| 02/04/2014 | US8641323 Method and apparatus for at sea pipe abandonment and recovery |
| 01/31/2014 | CA2787426A1 Tracer wire installation devices and methods for trenchless utility replacement |
| 01/30/2014 | WO2014016708A2 Removable storage for hydrogen on-board passenger transport vehicles such as aircraft |
| 01/30/2014 | US20140030025 Device for applying a push or pull action on tubes to be laid underground for overcoming water courses or obstacle of other type |
| 01/30/2014 | US20140030024 Apparatus and component for removing pipes |
| 01/30/2014 | DE102012106730A1 Device for exerting pushing- or traction force on pipe lines to be laid in ground for overcoming watercourses or other obstacles, has pivot arm placed between pedestal and main cylinder and is connected with pedestal by pin |
| 01/29/2014 | EP2689173A2 Abandon / recovery method for pipelines and apparatus therefor |
| 01/29/2014 | EP2689093A1 Method for the assisted installation of an underwater riser |
| 01/29/2014 | CN103548223A Subsea cable repair |
| 01/29/2014 | CN103542174A Pipe laying method for subsidence area of coal mine |
| 01/29/2014 | CN103542173A Pipeline ballast construction method |
| 01/29/2014 | CN103542172A Road crossing device for rigid liquid delivery pipeline |
| 01/29/2014 | CN103541736A Rectangular tube push bench transmission case with high escaping capability |
| 01/29/2014 | CN103539432A Grouting liquid for trenchless construction and formula, preparation method and construction method thereof |
| 01/28/2014 | US8636446 Trenchless ducting apparatus frame |
| 01/23/2014 | WO2014015323A1 Inground operations, system, communications and associated apparatus |
| 01/23/2014 | WO2014013490A1 Tunneled gas storage |
| 01/23/2014 | US20140023440 Autonomous Pipeline Buckle Arresting Isolation Tool |
| 01/22/2014 | CN203404487U Novel pipe dragging device |
| 01/22/2014 | CN203404486U Hydraulic pipeline installation machine |
| 01/22/2014 | CN103527851A Pre-laying process of submarine pipeline start laying system |
| 01/22/2014 | CN103527850A Non-excavation construction system for ultra-large-aperture PE drain pipes |
| 01/22/2014 | CN103527849A Non-excavation construction method of ultra-large-diameter poly ethylene (PE) drain pipe |
| 01/22/2014 | CN103527848A Drawing head for dragging construction of ultra-large-diameter poly ethylene (PE) pipe |
| 01/22/2014 | CN103527847A Pipe burying structure capable of reducing pipe top vertical loads and construction method for pipe burying structure |
| 01/22/2014 | CN103527846A Technology for conveying and storing gas by using phi1219/phi1016 natural gas pipeline |
| 01/22/2014 | CN103527845A Pipe penetrating device for pipe gallery |
| 01/22/2014 | CN102261518B Restoration construction method for in-service oil gas pipeline which encounters with collapse and destruction of worked-out section |
| 01/16/2014 | WO2014009718A1 Apparatus and method for laying pipes |
| 01/16/2014 | WO2013156917A3 Concrete composition, method for producing a matrix of concrete elements and matrix obtained |
| 01/16/2014 | US20140018476 Buoyancy control material for subsea main pipelines and high-density buoyancy control material for subsea main pipelines |
| 01/16/2014 | US20140017012 Method for protecting submarine cable and submarine long tube |
| 01/16/2014 | US20140017011 Offshore Horizontal Product Lay Arrangement |
| 01/15/2014 | EP2685146A1 Offshore horizontal product lay arrangement |
| 01/15/2014 | EP2683974A1 Underwater pipeline recovery method |
| 01/15/2014 | EP2683973A2 Abandonment and recovery system |
| 01/15/2014 | CN203395377U Large-diameter-pipe-jacking-construction assembled type rear fastening iron |
| 01/15/2014 | CN203395376U Flexible joint steel structure relaying chamber device |
| 01/15/2014 | CN203395375U Installation wagon group for tunnel-passing pre-stressed reinforced concrete pipe in tunnel boring machine (TBM) construction |
| 01/15/2014 | CN203395374U Intermediate jacking station device for jacking in steel structure of concrete draining pipe |
| 01/15/2014 | CN203395373U Buried drip irrigation pipe laying device |
| 01/15/2014 | CN103511743A Electric pre-heating construction method for exceedingly-long pipeline |
| 01/15/2014 | CN103511742A Auxiliary mounting device for petroleum pipeline |
| 01/15/2014 | CN102767643B Sectional laying and mounting method for long-distance pipeline in culvert |
| 01/15/2014 | CN101509577B Hose for hydrocarbons |
| 01/14/2014 | US8628287 Fallpipe stone dumping vessel |
| 01/14/2014 | US8628273 Method and apparatus for forcing a pipeline into or out of a borehole |
| 01/14/2014 | US8628272 Pipeline connection apparatus and method |
| 01/09/2014 | WO2014007613A1 Marine pipeline installation tensioner |
| 01/09/2014 | WO2014007227A1 Structure with embedded pipe and manufacturing method therefor |
| 01/09/2014 | WO2014007226A1 Structure with embedded pipe and manufacturing method therefor |
| 01/09/2014 | US20140010595 Device for laying a pipe in an expanse of water, and related structure and method |
| 01/08/2014 | EP2682535A2 Pipe joint with reinforced sealing ring, and sealing ring therefor |
| 01/08/2014 | CN203384489U Pipeline wall pulley |
| 01/07/2014 | US8622656 Apparatus, systems and methods for the relocation of subsurface conduit |
| 01/07/2014 | US8622655 Pipe-laying vessel and method of laying a pipeline |
| 01/01/2014 | EP2678595A1 Laying vessel for laying pipelines on the bed of a body of water, and laying vessel operating method |
| 01/01/2014 | EP2678479A1 An apparatus, an assembly, a vehicle and a method for forming a drainage assembly within and along an elongate trench |
| 01/01/2014 | CN203374970U Inner-penetrating pipe bearing rolling device |
| 01/01/2014 | CN203374538U Cambered-surface hydraulic press special for intermediate foundations in long-distance pipe-jacking construction |
| 01/01/2014 | CN103486403A In-situ protection construction method of pipeline above foundation pit |
| 01/01/2014 | CN103486332A Prying structure for suction pile type underwater manifold |
| 01/01/2014 | CN103486331A Stuck pipe handling method in trenchless pipe construction |
| 01/01/2014 | CN103486330A Method for installing and constructing high-altitude pipeline inside workshop |
| 12/31/2013 | US8616805 Optical fiber management system and method |
| 12/27/2013 | WO2013190499A1 Laying ramp and relative operating method |
| 12/25/2013 | CN203363413U Lateral fixing device for push ring of underwater connector mounting tool |
| 12/25/2013 | CN203363412U Novel pipe laying machine |
| 12/25/2013 | CN203363411U Pipe gallery pipe penetrating device and pipe penetrating unit composed of pipe gallery pipe penetrating devices |
| 12/25/2013 | CN102758967B Pipeline marking device and pipeline marking method |
| 12/24/2013 | US8613568 Method and device for laying pipelines in the ground |
| 12/19/2013 | WO2013186758A1 Guide system and method for guiding a pipeline from a laying vessel onto the bed of a body of water |
| 12/18/2013 | EP2674280A1 Tube making apparatus, and tube making method |
| 12/18/2013 | CN203352069U Slide for remote control underwater robot |
| 12/18/2013 | CN203348724U Adjustable device capable of enabling pipeline to penetrate through pipe gallery |
| 12/18/2013 | CN203348723U Pulley support used for laying of cable in tunnel |
| 12/18/2013 | CN203348722U Hard liquid conveying pipeline road crossing device |
| 12/18/2013 | CN203347797U All-functional sludge-water balanced jacking pipe |