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