| Patents for F16L 1 - Laying or reclaiming pipes; Repairing or joining pipes on or under water (7,464) |
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| 09/28/1982 | CA1132520A1 Adjustable support for underwater pipes at a short distance from the sea bed |
| 09/07/1982 | USRE31026 Navigation system for maneuvering a structure about a submerged object |
| 09/01/1982 | EP0058663A1 J-tube method and apparatus for pipelines. |
| 08/31/1982 | CA1130584A1 Method and plant for recovering a length of an elongated body, as a pipe, submarine electric cable or the like |
| 08/24/1982 | US4345855 Self propelled dynamically positioned reel pipe laying ship |
| 08/24/1982 | US4345854 Apparatus for laying underwater pipelines |
| 08/18/1982 | EP0057950A1 Articulated conduit system for a floating body |
| 08/10/1982 | US4343573 Method and apparatus for making an underground pipeline |
| 08/10/1982 | CA1129217A1 Pipe laying apparatus |
| 08/03/1982 | US4342519 Connector for an end of an underwater pipe |
| 07/28/1982 | EP0056778A1 Device for laying a cable in a trench on the sea bed |
| 07/28/1982 | EP0056367A1 An apparatus for jumping a moving object from one place to another |
| 07/20/1982 | US4340322 Self propelled dynamically positioned reel pipe laying ship |
| 07/08/1982 | WO1982002238A1 Method and apparatus for laying pipes |
| 07/06/1982 | US4338045 Method and apparatus for anchoring a line, such as a pipeline, to a support, and in particular a sea-bed |
| 07/06/1982 | US4338044 Prevention of sliding of a weight jacket over the corrosion coating of a pipe line |
| 07/06/1982 | US4338043 Method for depositing material on the ocean bed and apparatus for performing the same |
| 06/29/1982 | CA1126522A1 Method of anchoring a line, such as a pipeline, to a support, and in particular a sea-bed |
| 06/29/1982 | CA1126521A1 Self propelled dynamically positioned pipe laying reel ship |
| 06/23/1982 | EP0054332A1 Method and apparatus for lowering and positioning a pipe line onto the bottom of a deep water |
| 06/15/1982 | US4334801 Method and apparatus for covering a pipeline |
| 06/09/1982 | EP0053480A1 Improvements in the replacement of mains |
| 06/01/1982 | US4332510 Method and apparatus for recovering a length of an elongated body, submerged in water |
| 05/26/1982 | EP0052591A1 A method of laying and joining pipes and a lifting device for performing the method |
| 05/25/1982 | CA1124092A1 Apparatus for supporting pipes suspended over undulated sea beds, including at great depth |
| 05/11/1982 | US4329087 Excavating and pipeline installation system |
| 05/11/1982 | US4329086 Method for laying an underwater pipe to straddle an already laid pipe, and the relative devices |
| 05/11/1982 | US4329085 Connection of underwater lines |
| 05/11/1982 | US4329084 Ditching over buried lines |
| 05/11/1982 | US4329083 Methods of laying underground conduits |
| 04/28/1982 | EP0050162A1 Method of laying pipe-lines under water |
| 04/27/1982 | US4326821 Installing submerged pipeline |
| 04/21/1982 | EP0049846A2 Method of forming the bottom of a trench and for laying pipes on said bottom |
| 04/20/1982 | CA1122117A1 Connection of underwater lines |
| 04/13/1982 | US4324539 Concrete pressure monitoring device for monolithic concrete structure forming apparatus |
| 03/31/1982 | EP0048307A1 Method and device for laying piping and piping laid by said method |
| 03/23/1982 | US4320590 Dredging device |
| 03/16/1982 | US4319709 Positioning of an additional tubular element on a tubular structure |
| 03/09/1982 | US4318641 Method for securing a tubular element to the bottom of a body of water and apparatus for carrying out this method |
| 03/09/1982 | US4318639 Connector fitting for use in installing underground plastic pipes |
| 03/04/1982 | WO1982000697A1 J-tube method and apparatus |
| 02/16/1982 | US4315702 Method for aligning two pipeline ends and apparatus for carrying out the method |
| 02/16/1982 | CA1118200A1 Apparatus and method for positioning one part relative to another part |
| 02/09/1982 | US4314775 Method of site casting tunnels, culverts, pressure pipes with minimum forming |
| 02/02/1982 | US4313694 Submersible pipe installation systems |
| 01/12/1982 | USRE30846 Submarine pipeline laying vessel |
| 01/12/1982 | US4310264 Buoyant pipe system |
| 01/12/1982 | US4310263 Pipeline connection system |
| 12/30/1981 | EP0042398A1 A method for laying a flexible pipeline and pipeline to carry out this method |
| 12/08/1981 | US4304505 Method for repairing a damaged pipe laid on deep sea beds |
| 11/24/1981 | US4302652 Method of welding the ends of submerged pipes by sleeve abutment |
| 11/18/1981 | EP0039716A1 Method and apparatus for producing and laying a ballasted mat for ground stabilization |
| 11/10/1981 | US4299375 Underground pipe installing device |
| 11/10/1981 | CA1112156A1 Method for the automatic placing of a submarine manifold end, and means for implementing said method |
| 11/10/1981 | CA1112060A1 Alignment device for submerged tube ends by means of a surface support |
| 11/03/1981 | US4298296 Form handling system |
| 10/27/1981 | US4297054 Method of laying offshore pipeline from a reel carrying vessel |
| 10/21/1981 | EP0038218A1 Float for loading hoses |
| 10/13/1981 | US4294564 Method of deployment, release and recovery of ocean riser pipes |
| 09/22/1981 | US4290715 Pipeline riser for floating platforms |
| 09/22/1981 | CA1109277A1 Apparatus for supporting pipes suspended over undulated sea beds, including at great depth |
| 09/15/1981 | US4289424 Apparatus for laying conduit, cable and the like in or beneath fill material |
| 09/08/1981 | CA1108416A1 Semi-submersible pipelaying craft equipped for laying pipes on sea beds, including deep beds, and the method of operation |
| 09/02/1981 | EP0034890A1 Connector assembly, methods of forming connections and anchored marine structures |
| 09/01/1981 | US4286914 Means and method for connecting large pipe |
| 08/25/1981 | US4285613 Apparatus for forming and installing underground drainpipe |
| 08/19/1981 | EP0033940A2 Device for drawing pipes together |
| 08/18/1981 | US4284249 Device to unroll and to roll up elongated flexible articles such as conduits or cables |
| 08/18/1981 | CA1107308A1 Pivotable means for decreasing drag effects on a generally cylindrical dredge pipe |
| 08/11/1981 | US4283160 Corrugated pipe fabricator and installer device and methods of making and using the same |
| 08/04/1981 | US4281614 Connection of the upper end of an ocean upwelling pipe to a floating structure |
| 08/04/1981 | CA1106194A1 Adjustable apparatus for supporting a pipe, laid on a deep sea bed, at a depression in the sea bed |
| 08/04/1981 | CA1106193A1 Self propelled dynamically positioned reel pipe laying ship |
| 07/29/1981 | EP0032760A2 Method and apparatus for deploying a structure below the surface of a body of water |
| 07/23/1981 | WO1981002054A1 An apparatus for jumping a moving object from one place to another and a method of using it |
| 07/21/1981 | US4279542 Subsea well flow lines tie-in using conductors |
| 07/21/1981 | CA1105296A1 Pipe abutting machine for haying in waters of diverse depths |
| 07/08/1981 | EP0031611A2 Method and apparatus for the offshore joining of pipe strings near the surface of a body of water |
| 07/07/1981 | US4277202 Positioning of the end of an underwater flowline |
| 07/07/1981 | CA1104491A1 No translation available |
| 07/07/1981 | CA1104356A1 Deep water repair methods and apparatus |
| 06/30/1981 | CA1104055A1 Offshore installation and method of locating on a sea- bed base |
| 06/25/1981 | WO1981001735A1 A method for laying a flexible pipeline and pipeline to carry out this method |
| 06/23/1981 | US4274799 Method and apparatus for reeling pipeline |
| 06/23/1981 | US4274758 Device to secure an underground pipe installer in a trench |
| 06/23/1981 | US4274757 Immersion/suspension method for the submarine deployment of high voltage transmission cable |
| 06/23/1981 | CA1103468A1 Apparatus for supporting pipes suspended over depressions in the sea bed, including those situated at great depth, and the method for installing it |
| 06/23/1981 | CA1103467A1 No translation available |
| 06/16/1981 | US4273470 Offshore production riser with flexible connector |
| 06/16/1981 | US4273469 System and method for laying subsea pipelines |
| 06/16/1981 | US4273367 Pipe coupling |
| 06/16/1981 | US4273068 Connection of cold water riser pipes to supporting structures |
| 06/09/1981 | US4271550 Method for submerging an equipment of negative buoyancy |
| 05/28/1981 | WO1981001432A1 Method and apparatus for producting and laying a ballasted mat for ground stabilization |
| 05/26/1981 | US4269540 Self propelled dynamically positioned reel pipe laying ship |
| 05/19/1981 | US4268190 Pipe handling method and apparatus |
| 05/19/1981 | US4268189 Apparatus and method for supporting and positioning pipe during the construction of drain fields and the like |
| 05/12/1981 | US4266910 Pipe positioner boom and head assembly for pipe laying frame |
| 05/12/1981 | US4266886 Method and device for connecting a floating installation to an underwater installation through at least one flexible line |
| 05/05/1981 | US4265566 Apparatus for supporting pipes suspended over depressions in the sea bed, including those situated at great depth, and the method for installing it |