| Patents for F16L 1 - Laying or reclaiming pipes; Repairing or joining pipes on or under water (7,464) |
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| 02/08/1977 | US4006521 Pipe remover |
| 01/18/1977 | US4003210 Pipeline of assembled field units of pipe elements and method of installing same |
| 01/11/1977 | US4002248 Multi-stage pipe feeder |
| 01/04/1977 | US4001358 Apparatus and method for forming a cementitious conduit in situ |
| 12/28/1976 | US3999908 Cantilever apparatus for molding pipes |
| 12/21/1976 | US3998065 Horizontal wellpointing method and apparatus |
| 12/14/1976 | US3996758 Method for placement of production casing under obstacle |
| 12/14/1976 | US3996652 Pipe positioning tool |
| 12/07/1976 | US3996552 Device for providing a hologram of an insonified object |
| 12/07/1976 | US3995355 Laying of flexible pipe |
| 11/30/1976 | US3994475 Rack type jacking apparatus |
| 11/30/1976 | US3994140 Stinger coupling |
| 11/30/1976 | US3994139 Apparatus for and a method of laying a pipe line |
| 11/23/1976 | US3993192 Pipeline weight container and method |
| 11/23/1976 | US3992735 Flotation ring for dredge pipe lines |
| 11/16/1976 | US3991584 Shock absorbing and retracting system for pipe laying vessel |
| 11/09/1976 | US3990259 Pipe support for floating pipelaying vessel and method of operating same |
| 11/02/1976 | US3989150 Pipe carrying attachment for construction equipment |
| 11/02/1976 | US3988819 Or pulling the former out of the latter |
| 10/26/1976 | US3987640 Column stabilized semisubmersible pipelaying barge |
| 10/05/1976 | US3984007 Pipe handling apparatus for pipe laying barges |
| 09/28/1976 | US3982402 Submarine pipeline laying vessel |
| 09/14/1976 | US3979814 Pipe fitting device |
| 09/07/1976 | US3978892 Self-locking plug apparatus for sealing and recovering a pipeline laid on a deep submerged bed |
| 09/07/1976 | US3978678 Method and apparatus for plugging a pipeline |
| 09/07/1976 | US3978677 Method of starting and laying submergible elongate structures |
| 09/07/1976 | US3978572 Pipe joint make up tool |
| 08/31/1976 | US3977703 Multiple duct underground conduit |
| 08/31/1976 | US3977201 Method and apparatus for preventing buckling of pipeline as it is being assembled and laid on the ocean floor |
| 08/24/1976 | US3975919 Pipeline positioning system |
| 08/03/1976 | USRE28922 Column stabilized stinger |
| 07/27/1976 | US3971228 Process and system for lifting submarine pipelines |
| 07/20/1976 | US3969905 Method and apparatus for laying pipelines |
| 07/20/1976 | US3969904 Method of laying a pipeline in a trench |
| 07/06/1976 | US3967462 Method and apparatus for joining a subsea pipeline to an offshore platform riser |
| 07/06/1976 | US3967461 Ramp for slidably supporting a pipeline to be laid on a submerged bed |
| 06/29/1976 | US3965713 Method and apparatus for laying continuous pipe |
| 06/22/1976 | US3964707 Underground conduit holder |
| 06/08/1976 | US3961493 Or scanning a pipeline interior |
| 06/01/1976 | US3959977 Concrete slip forming apparatus |
| 05/18/1976 | US3957112 Offshore apparatus for carrying out operations in an offshore well |
| 05/18/1976 | US3956901 Sewer laying system |
| 05/11/1976 | US3955600 Composite pipeline |
| 05/11/1976 | US3955599 Apparatus for bending a flowline under subsea conditions |
| 05/04/1976 | US3954288 Pipe fitting with self-testing seals and method |
| 05/04/1976 | US3953982 Method and apparatus for laying and connecting flow lines to submerged structures |
| 04/27/1976 | US3952810 Slit trenching and cable laying device |
| 04/27/1976 | US3952529 Earthquake fault zone pipeline construction method and arrangement |
| 04/27/1976 | US3952524 Pipe laying method and apparatus |
| 04/27/1976 | US3952384 Pipe jacks |
| 04/20/1976 | US3950955 Underwater pipelaying system |
| 04/13/1976 | US3949997 Piston ring structure |
| 04/06/1976 | US3948085 Ball launching head for testing a pipeline laid on a submerged bed |
| 03/16/1976 | US3944120 Constant tension load-transferring apparatus and method |
| 03/16/1976 | US3943982 Apparatus for internally checking well pipe bore and for automatically sealing leaks therein |
| 03/16/1976 | US3943882 Device for adjusting and indicating the relative position of ski binding components |
| 03/02/1976 | US3940942 Submarine pipelines |
| 02/24/1976 | US3939784 Fuel conduit |
| 02/17/1976 | US3938234 Pipe joining method |
| 02/03/1976 | US3935632 Method of preparing an insulated negative buoyancy flow line |
| 01/27/1976 | US3934647 Pipe laying system |
| 01/20/1976 | US3933181 Long distance heating conduit in particular for hot water lines |
| 01/20/1976 | US3932922 Pipe systems for hot media |
| 01/13/1976 | US3931670 Apparatus and method for connecting two axially spaced apart pipes |