Patents for F16L 1 - Laying or reclaiming pipes; Repairing or joining pipes on or under water (7,464)
02/1989
02/08/1989CN1030972A Method for production and laying pipeline or cable under water
02/07/1989US4802794 Reel type marine pipe laying apparatus with tension induced pipe straightening
02/07/1989US4802793 Pipeline or cable plough
02/01/1989EP0302038A1 A method for production and laying a pipeline or a cable under water
02/01/1989EP0301697A2 A method and apparatus for producing a deformed pipe liner of tubular cross-section.
01/1989
01/31/1989CA1249509A1 Submerged valve control apparatus
01/24/1989CA1249182A1 Method of towing a pipeline structure in a body of water and a structure for use therein
01/17/1989US4798500 Method of launching long pipelines
01/17/1989CA1248767A1 Pipeline or cable plough
01/12/1989DE3727715A1 Service tunnel with longitudinal bracing in transportable reinforced-concrete rectangular-section segments
01/11/1989EP0188487B1 Large cross-section sunken conduit
01/10/1989US4797029 Remotely installing a tubular string
01/10/1989US4796669 Product for relining sewers and water pipes
01/04/1989EP0297896A1 Assembly and installation of pipes
12/1988
12/28/1988EP0296272A1 Pipe tensioner machine
12/21/1988EP0296137A1 A Method for connecting a conduit to a subsea structure, and a device for use in connecting a conduit end to a subsea structure
12/21/1988EP0296013A1 Tubular construction
12/14/1988EP0295175A1 Hollow structure with flat base plate
12/13/1988US4790057 Pipe manipulator
12/06/1988US4789970 Method and device for positioning an element using ultrasonic sensors
12/06/1988US4789585 Heat transfer block for cross flow heat exchanger
12/06/1988US4789269 Winged pipelaying
12/06/1988US4789108 Multi-reel operational lines laying vessel
11/1988
11/30/1988EP0292703A2 Process and device for laying plastic pipes
11/29/1988US4787583 Clamp for arctic pipeline support
11/22/1988US4786207 Method of launching long pipelines and retrieving support means therefor
11/15/1988US4784524 Railroad cable laying apparatus with plow blade support and dual plow tethering
11/15/1988US4784523 Method and apparatus for remotely orienting a flowline for connection to a subsea structure
11/08/1988CA1244251A1 Assembly and installation of pipes
11/03/1988WO1988008500A1 A method and means for providing a thermic insulating effect around an article, such as a pipeline which is submerged in water
11/01/1988US4781958 Sealed edge detectable tape
10/1988
10/18/1988US4778306 Method for launching from the mainland large-size submarine pipelines
10/11/1988US4776221 Method and device for cable installation
10/04/1988CA1242847A1 Expandable polymer concrete
09/1988
09/13/1988US4770562 Method of salvaging a pipe conduit buried under ground
09/06/1988US4769189 Forming, heating, expanding and firing pellets from a continuous phase and insolubiling agent
09/06/1988US4768275 Method of joining pipe
09/06/1988CA1241546A1 Handling system for effecting a submerged coupling
08/1988
08/23/1988US4765776 Convertible barge
08/17/1988EP0278705A1 Improved submarine cable plough
08/16/1988US4764137 Floatable dredge hose
08/16/1988CA1240566A1 Flotation riser
08/09/1988US4761846 Modular bridge with torsion pipe expansion loops
08/09/1988CA1240161A1 Reel type continuous marine pipe laying system
07/1988
07/29/1988EP0262183A4 Method and means for lining and overwrapping of conduits.
07/28/1988DE3700883A1 Method of renewing linear underground structures accessible by walking or crawling and having a closed profile, in particular sewers, as well as a set of plastic structural elements for realising the method
07/19/1988US4758454 Lining of passageways
07/19/1988US4758115 Pipeline, a method of laying the pipeline and a device for effecting said method
07/12/1988CA1239006A1 Ground anchoring system
07/05/1988US4755081 Reduced J-tube pull force
07/05/1988US4754781 Plastic pipe comprising an outer corrugated pipe and a smooth inner wall
06/1988
06/28/1988US4753404 Tube positioning device
06/23/1988DE3642358A1 Process and apparatuses for welding pipes in pipe pre-pressing works
06/22/1988EP0272075A1 Protection of joints in elongate substrates
06/21/1988US4751945 Dual containment channel for fluids
06/15/1988EP0271184A1 Convertible barge
06/15/1988EP0169872B1 Ground anchoring system
06/14/1988CA1237901A1 Buried pipe localising materials
06/07/1988US4749308 Self-propelled underwater cable burying machine
06/07/1988US4748730 Tool for making up a bell and spigot pipe joint
06/01/1988CN87106443A Convertible barge
05/1988
05/25/1988EP0268420A2 Marker for detecting buried object
05/25/1988EP0267916A1 Pipe-laying tool
05/11/1988EP0266405A1 Concrete ballast block with imbedded or attached anodes for cathodic protection of the bolts and their fittings.
05/04/1988CN87105321A Fabricating helical flowline bundles
05/03/1988US4741646 For laying a conduit within a trench
04/1988
04/26/1988US4739800 Multi-component tubular structure for underwater conveyance of fluids
04/19/1988US4738565 Method of replacing mains
04/06/1988EP0262545A1 Improvements in or relating to welding and laying pipelines
04/06/1988EP0262183A1 Method and means for lining and overwrapping of conduits.
04/05/1988US4735234 Buried large cross-section conduit
03/1988
03/17/1988DE3629978A1 Device for holding cables
03/16/1988EP0259373A1 Insulation and weight coating for subsea pipelines and method for production of the same.
03/02/1988EP0258107A1 Covering structure, in particular for instalment on a pipeline or the like deposited on the sea floor
02/1988
02/24/1988EP0256151A1 Cover element for protecting underground cables
02/23/1988CA1233035A1 Laying a pipeline in arctic offshore waters
02/11/1988WO1988001032A1 Pipeline joint protector
02/09/1988US4723874 Multi-reel operational lines laying vessel
02/09/1988CA1232553A1 Lined pipe and a method of lining a pipe
01/1988
01/26/1988US4721411 Multi-reel operational lines laying vessel
01/26/1988US4721410 Reel pipe coating and laying vessel and process
01/20/1988EP0252906A1 A vessel for laying of flexible tubes deeply into the bottom sediment of shallow lakes and similar waters
01/19/1988US4720211 Apparatus for replacing mains
01/19/1988US4720124 Telescoping joint
01/19/1988US4719687 Method for sealing, pressure-testing, and transporting a multi-pipe segment
01/13/1988EP0148187B1 Method at underwater jointing and repair of pipelines
01/12/1988US4718459 Underwater cryogenic pipeline system
01/12/1988US4718377 Device for placing a cylindrical body, especially a sleeve, in a tube of a steam generator
01/07/1988EP0251882A1 Device and method for positioning and connecting by remote control a curved connector
01/07/1988EP0251876A1 Mechanized assembly for digging a trench and laying elongate objects
01/07/1988EP0251389A1 Apparatus for underwater covering of a line, such as a pipeline and/or other objects, with loose material
12/1987
12/22/1987US4714381 Machine for laying conduit and methods for use thereof
12/15/1987US4712946 Assembly and installation of pipes
11/1987
11/19/1987WO1987006959A1 Concrete ballast block with imbedded or attached anodes for cathodic protection of the bolts and their fittings
11/03/1987US4704050 J-configured offshore oil production riser
11/03/1987US4704049 Process and arrangement for installing a pipeline in an underwater environment and pipeline thus produced
10/1987
10/28/1987EP0243211A1 Joining pipes together
10/28/1987CN86108852A Process for the lauching from the mainland of large-size submarine pipelines
10/27/1987USRE32532 Pipelaying appliance
10/27/1987US4702647 Reduced J-tube pull force
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