| Patents for F16L 1 - Laying or reclaiming pipes; Repairing or joining pipes on or under water (7,464) |
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| 09/25/1979 | CA1062922A1 Device for positioning a submerged pipeline |
| 09/18/1979 | CA1062479A1 Pipelaying machine for oil pipelines, conduits and the like |
| 09/11/1979 | CA1062027A1 Subsea machine tool |
| 09/04/1979 | US4166710 Device for securing a pipeline in place |
| 09/04/1979 | US4166544 Pipe-laying machine for oil pipelines, conduits and the like |
| 08/21/1979 | CA1060848A1 Device for anti-rolling signalling for pipe-laying tractors |
| 08/21/1979 | CA1060665A1 Laying underwater mains by means of controlled towing and immersion |
| 08/14/1979 | US4164379 Offshore pipe laying |
| 07/31/1979 | CA1059453A1 Welding method |
| 07/24/1979 | CA1058892A1 Connecting two immersed ducts through butting and welding a cushing |
| 07/24/1979 | CA1058891A1 Under ice pipelaying |
| 07/11/1979 | EP0002991A1 Method of depositing materials on the bottom of the sea along a given path, apparatus for carrying out this method, vehicles adapted for use in this apparatus and the use of this apparatus |
| 07/03/1979 | US4159630 Assembly such as for a tile chute tool for use with a ditching or trenching machine |
| 07/03/1979 | CA1057539A1 Method for connecting submerged pipes by sleeve butt welding, and apparatus therefor |
| 07/03/1979 | CA1057538A1 Method and apparatus for soldering submerged conducts with telescopic coupling |
| 07/03/1979 | CA1057516A1 Apparatus for and a method of recovering a pipeline on the bottom of deep waters |
| 07/03/1979 | CA1057515A1 Apparatus for releasing submerged floats |
| 06/26/1979 | US4159190 Laydown tool for plastic crop-irrigation tubing |
| 06/26/1979 | US4159189 Tie-in method and apparatus |
| 06/26/1979 | CA1057066A1 Pipelaying under ice by bottom pull |
| 06/19/1979 | CA1056790A1 Aboveground sliding support assembly for a pipeline |
| 06/12/1979 | CA1056168A1 Plow for use in laying drain-tile |
| 06/05/1979 | US4157023 Apparatus and method for laying pipelines |
| 05/29/1979 | CA1055261A1 Process and device for laying submarine pipelines |
| 05/22/1979 | US4155669 Deep water repair methods and apparatus |
| 05/08/1979 | US4153381 Shock absorbing apparatus for hoisting underwater pipeline |
| 05/08/1979 | CA1053919A1 Continuous laying of pipes of large diameters |
| 04/24/1979 | US4150911 Control device for the laying of pipe in deep water |
| 04/24/1979 | US4150636 Deep water berthing system for very large cargo carriers |
| 04/18/1979 | EP0001541A1 A sinker weight for sea conduits |
| 04/17/1979 | CA1052901A1 Navigation system for maneuvering a structure about a submerged object |
| 04/10/1979 | US4148193 Method and apparatus for producing underground installations of concrete pipe |
| 04/10/1979 | CA1052107A1 Riser for an offshore platform |
| 04/03/1979 | US4147455 Adjustable apparatus for supporting a pipeline laid on deep waters and for impressing thereto a preselected geometrical configuration |
| 04/03/1979 | CA1051676A1 Tunnel |
| 04/03/1979 | CA1051675A1 Submersible pipe installation systems |
| 03/27/1979 | US4146345 Apparatus for and method of supporting pipelines suspended over depressions in the sea bed |
| 03/27/1979 | US4145909 Pipeline bending method |
| 03/21/1979 | EP0001161A1 A system for protection of an installation on the floor of a body of water and a method of using it |
| 03/13/1979 | US4143801 Multiple welding head system for fabricating pipe |
| 03/08/1979 | WO1979000109A1 A system for protection of an installation on the floor of a body of water |
| 03/08/1979 | WO1979000108A1 A system for depositing sediment and/or protecting an installation on the floor of a body of water |
| 03/06/1979 | US4142817 Plow for use in laying drain-tile |
| 02/27/1979 | US4141221 Means for fitting packing between two components, such as pipes, capable of relative movements, in particular coaxial movements |
| 02/13/1979 | US4139221 Ball and socket joint |
| 02/13/1979 | US4138853 Device for positioning a submerged pipeline |
| 01/23/1979 | US4135844 Laying of underwater pipelines |
| 01/16/1979 | CA1046298A1 Pipe laying and transporting vehicle |
| 01/16/1979 | CA1046295A1 Laying of submarine pipes |
| 01/10/1979 | EP0000179A1 Apparatus for assembling large diameter pipes by insertion |
| 01/09/1979 | US4133558 Misalignment pipe connector |
| 01/09/1979 | US4133557 Preloaded misalignment pipe connector |
| 01/09/1979 | US4133181 Method of assembling and laying a conduit for conveying a fluid between an on-shore point of a coastal region and an advanced off-shore point |
| 01/09/1979 | US4133180 Apparatus for welding submerged pipe ends |
| 01/02/1979 | US4132084 Submarine conductor for the deep sea transmission of high voltage electrical power |
| 12/26/1978 | US4130925 Methods of pipeline construction in arctic and subarctic regions |
| 12/19/1978 | US4130204 Side boom pipe laying crane with pipe section alignment feature |
| 12/19/1978 | CA1044473A1 Method for placement of production casing under obstacle |
| 12/12/1978 | US4129011 Under ice pipelaying |
| 12/12/1978 | US4129010 Tunnel |
| 12/12/1978 | CA1044027A1 Method of laying underwater pipeline |
| 12/05/1978 | US4128219 Aboveground sliding support assembly for a pipeline |
| 11/28/1978 | US4127006 Method and equipment for installing marine pipelines to extremely great water depth |
| 11/28/1978 | CA1043112A1 Horizontal wellpointing method and apparatus |
| 11/21/1978 | US4126013 Pipelaying under ice by bottom pull |
| 11/21/1978 | US4126012 Method and apparatus for supporting pipe in filled dirt |
| 11/14/1978 | US4125579 Concrete pipe forming machine |
| 11/14/1978 | US4124991 Offshore pipe laying |
| 11/14/1978 | US4124990 Method and apparatus for adjusting the tension of an underwater pipeline |
| 11/14/1978 | CA1042477A1 Device for establishing a connection between successive duct sections |
| 10/31/1978 | CA1041309A1 Process and device for laying submarine pipelines |
| 10/24/1978 | US4121529 Buoyancy systems |
| 10/17/1978 | US4120324 High pressure hose composed of elastomers and embedded reinforcements |
| 10/17/1978 | US4120168 Apparatus for laying a pipeline in a body of water |
| 10/17/1978 | US4120167 Offshore pipe laying |
| 10/17/1978 | US4120095 Method and apparatus for determining the spatial relationship between two misaligned tubular members |
| 10/10/1978 | US4119382 Self-leveling construction alignment laser |
| 10/10/1978 | US4119210 Pipe laying and transporting vehicle |
| 10/10/1978 | US4118940 Drain line and method of installing |
| 10/10/1978 | CA1039960A1 Reel lay-barge |
| 10/03/1978 | US4117867 High pressure hose composed of elastomers and embedded reinforcements |
| 10/03/1978 | US4117693 Placing conduits on the sea floor by hauling and controlled immersion |
| 10/03/1978 | US4117692 Method and a system for producing and laying oil or gas pipelines on the sea bottom |
| 10/03/1978 | CA1039519A1 Laying of underwater pipelines |
| 09/26/1978 | CA1039069A1 Offshore structure and method |
| 09/26/1978 | CA1039068A1 Column stabilized semisubmersible pipelaying barge |
| 09/19/1978 | US4114391 Tape laying trenching apparatus |
| 09/12/1978 | US4112698 Articulated stinger |
| 09/05/1978 | US4111374 Commodity conveying means |
| 09/05/1978 | US4110994 Marine pipeline |
| 09/05/1978 | US4110991 Preparing tubing or pipelines for submarine installation |
| 08/29/1978 | US4109945 Apparatus for connecting together flowline end portions |
| 08/29/1978 | US4109480 Under water crane |
| 08/29/1978 | CA1037269A1 Offshore structure and method |
| 08/29/1978 | CA1037268A1 Pipe support for floating pipelaying vessel and method of operating same |
| 08/22/1978 | US4108317 Continuous laying of pipes of large diameter |
| 08/22/1978 | US4107933 Apparatus and method for towing a pipeline in a body of water |
| 08/22/1978 | US4107802 Apparatus for releasing submerged floats |
| 08/15/1978 | US4106300 Method of making reinforced cast-in-place concrete pipe |
| 08/08/1978 | US4104886 Float for use in laying submarine pipelines |