| Patents for F16L 1 - Laying or reclaiming pipes; Repairing or joining pipes on or under water (7,464) |
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| 08/08/2001 | EP1121551A1 Assembly for constructing an underwater system for transporting fluid, energy or signals |
| 08/07/2001 | US6271667 Buried closure guard with electronic marker |
| 08/07/2001 | US6270387 Buoyant device |
| 08/02/2001 | WO2001055750A1 Detectable transponder conduit end cap |
| 08/02/2001 | US20010010782 Method and apparatus for connecting underwater conduits |
| 08/01/2001 | EP1119663A1 Tubular structure |
| 07/25/2001 | CN1305070A Oil delivering pipe |
| 07/24/2001 | US6266143 End cap incorporating laser alignment target |
| 07/24/2001 | US6263823 Connection system for connecting equipment to underwater cables |
| 07/24/2001 | CA2077341C Dentifrice inhibiting dental plaque |
| 07/17/2001 | US6261027 Portable pulling apparatus |
| 07/17/2001 | US6260252 Method and apparatus for assembling or disassembling an installation present on a seabed |
| 07/12/2001 | WO2001050058A1 Laying of undersea pipes |
| 07/05/2001 | WO2001048410A1 Improvements in and relating to laying of pipeline |
| 07/05/2001 | CA2394868A1 Improvements in and relating to laying of pipeline |
| 06/28/2001 | DE10061015A1 Hochdruckmetallrohr, das einen Verbindungskopf besitzt, und Verfahren zum Bilden des Verbindungskopfs ebenso wie eine Hülsenunterlegscheibe für den Verbindungskopf High-pressure metal pipe having a connecting head, and method of forming the connecting head as well as a connection head for the Hülsenunterlegscheibe |
| 06/26/2001 | US6250395 Apparatus system and method for installing and retrieving pipe in a well |
| 06/21/2001 | WO2001044622A1 System for supporting substantially rigid linear structures |
| 06/20/2001 | CN2435605Y Excavating machine |
| 06/14/2001 | US20010003398 High-pressure metal pipe having connecting head and method of forming the connecting head as well as sleeve washer for the connecting head |
| 06/14/2001 | US20010003225 Alignment tool |
| 06/07/2001 | WO2001040695A1 Submerged pipeline for transporting fluids such as oil and/or gas |
| 06/06/2001 | EP1104525A1 Method and means for storing and/or transporting an elongated tube or cable |
| 06/06/2001 | EP1104524A1 System for controlled lowering of a tube or cable |
| 05/31/2001 | WO2001038768A1 Pipe lay system with tension compensator |
| 05/31/2001 | WO2001001028A3 Stabilisation of submarine elongate structures |
| 05/31/2001 | DE19957334A1 Replacing district heating lines without digging trenches involves removing old line sections at two holes, pulling out line or inner pipe between holes, pulling in new line or pipe between holes |
| 05/31/2001 | DE19954430A1 Verfahren zum Verlegen von Rohrleitungen im Meer bzw. in größeren Binnengewässern Method for laying pipelines in the sea or large inland waters |
| 05/30/2001 | EP1102698A2 Underwater pipe-laying vessels and methods |
| 05/29/2001 | US6239363 Variable buoyancy cable |
| 05/29/2001 | US6238141 Apparatus for static underground drilling |
| 05/23/2001 | EP1100999A1 Method for laying data cables and data transmission device for a communal gas, pressure or waste-water pipe system comprising at least one waste-water drain and a service shaft |
| 05/23/2001 | CN1066254C Laying method of water supply and drainage pipe |
| 05/22/2001 | US6234717 Method and apparatus for connecting underwater conduits |
| 05/17/2001 | WO2001035011A1 Clamp system for maintaining a duct tensioned and floating support comprising same |
| 05/16/2001 | EP1099893A1 Method for laying underwater pipelines |
| 05/16/2001 | EP1099072A1 Method and device for laying an underground duct made of a plastic material |
| 05/10/2001 | WO2001033028A2 Apparatus, system, and method for installing and retrieving pipe in a well |
| 05/09/2001 | CN1294647A Pressurized liquid circulation duct and method for prodn. thereof |
| 05/09/2001 | CN1065607C Process and equipment for pulling pipes laid or to be laid in ground |
| 05/09/2001 | CN1065605C Method for connecting underwater pipelines particularly suitable for great depths and big diameters |
| 05/08/2001 | US6227765 Pipeline device, a tool for the guide-in of a pipeline end and a method for the pull-in of a pipeline end |
| 05/03/2001 | DE19950070A1 Holder for channel construction laser has bearer mounted in bearer casing with one or more bearings, e.g. ball bearings or liquid bearings, so as to be free to rotate, position stabilizers |
| 05/02/2001 | CN1293730A Method of installing conduit or the like on mountain surface using steel cable |
| 04/26/2001 | WO2001029470A1 Method and apparatus for laying elongate articles |
| 04/25/2001 | EP1094263A1 Stiffening element for a narrow warning screen comprising a detecting wire |
| 04/25/2001 | CN1292858A Internal pipe pulling device |
| 04/24/2001 | US6220788 Pipeline weight |
| 04/19/2001 | WO2001027658A2 Buried closure guard with electronic marker |
| 04/19/2001 | CA2287120A1 A method of controlling a pipeline plow and a pipeline plow |
| 04/18/2001 | EP1092909A1 A reversible lining tube for repairing an existing pipeline |
| 04/18/2001 | EP1092108A1 Deep water pipelaying ship |
| 04/11/2001 | CN1290829A Pipe dragging method and special device for seashore landing pipeline |
| 04/10/2001 | US6213833 Float for buoyant hoses |
| 04/10/2001 | US6213686 Gimbal for J-Lay pipe laying system |
| 04/10/2001 | US6213156 Hose for refrigerant for an electrically driven compressor |
| 04/03/2001 | US6210074 Material and method for lining pipes |
| 03/15/2001 | WO2001018349A1 Method for installing an undersea catenary riser |
| 03/15/2001 | DE19941669A1 Gewebeschlauch Braided hose |
| 03/14/2001 | EP0879131B1 An extrusion apparatus and method, a tubular product, and a pipe |
| 03/14/2001 | EP0847462B1 Novel draining wall, method for producing same and element implementated thereby |
| 03/13/2001 | US6200068 Hot tap fluid blaster apparatus and method of using same |
| 03/13/2001 | US6199595 Insulated marine pipe apparatus and method of installation |
| 03/08/2001 | WO2001016519A1 Textile tubing |
| 03/07/2001 | CN1286365A Large-span oil (gas) delivering pipeline |
| 02/28/2001 | EP1078144A1 Hybrid pipe for great depth |
| 02/21/2001 | EP1076790A1 Clamping ring in particular for oil duct |
| 02/14/2001 | CN2419440Y Special waterproof sealing support-seat for direct buried thermal insulating pipelines engineering |
| 02/13/2001 | CA2191145C Pipeline anchor apparatus |
| 02/13/2001 | CA2057976C Self aligning fluid connector |
| 02/08/2001 | WO2000043273A3 Labeler for pipes, conduits, tubes, and rods |
| 02/07/2001 | EP1073857A1 Improvements in or relating to helically wound reinforcing components for flexible tubular conduits |
| 02/07/2001 | CN1061748C Improvements to pipe-laying |
| 02/07/2001 | CN1061592C 管状产品和挤压设备及其方法 Tubular products and extrusion apparatus and method |
| 02/06/2001 | US6183163 Method and apparatus for laying out a pipeline |
| 02/01/2001 | WO2001007812A1 Improvements in and relating to underwater pipe-laying |
| 02/01/2001 | CA2379124A1 Improvements in and relating to underwater pipe-laying |
| 01/31/2001 | EP1072861A1 Method for measuring the wall thickness of a tubular object |
| 01/31/2001 | CN2417350Y Collapsible type earth taking out apparatus |
| 01/30/2001 | US6179523 Method for pipeline installation |
| 01/24/2001 | EP1071181A1 Fixing means |
| 01/23/2001 | US6176523 Joint for variable wall thickness conduit |
| 01/18/2001 | WO2001004463A1 Method and system for encasing an endless, laid pipeline conduit with backfill concrete |
| 01/18/2001 | WO2001004454A1 Device connecting the sea floor with the surface comprising a submarine pipeline attached to at least one floater |
| 01/18/2001 | DE19932647A1 Verfahren und System zur Umfüllung eines endlos verlegten Rohrstrangs mit Füllbeton Method and system for decanting an endless strand laid pipe with backfill concrete |
| 01/18/2001 | CA2378716A1 Method and system for encasing a pipe conduit, laid in an endless manner, with backfill concrete |
| 01/17/2001 | EP1069251A1 Method of installing conduit or the like on mountain surface using steel cable |
| 01/17/2001 | EP1068401A1 Pressurized liquid circulation duct and method for the production thereof |
| 01/17/2001 | CN1280263A Construction method of drawing casing through drilled hole |
| 01/16/2001 | CA2196828C Underwater cable burial machine using a single cable for towing and lifting |
| 01/16/2001 | CA2196818C Underwater cable burial machine having improved cable laying apparatus |
| 01/11/2001 | WO2001002764A1 Device for limiting propagation of deformation in a wound double-walled tube |
| 01/11/2001 | DE19929893A1 Pipe and cable laying method comprises feeding breaking head though existing pipe and breaking it up, widening resulting bore and feeding in new pipe and parallel cables |
| 01/04/2001 | WO2001001169A1 Connection system for connecting equipment to underwater cables |
| 01/04/2001 | WO2001001028A2 Stabilisation of submarine elongate structures |
| 01/04/2001 | DE19940875C1 Method for producing a pipe bed involves digging out trench and compacting lifted earth and shaping it to correspond to external contour of pipe which is then laid therein |
| 01/04/2001 | DE19928683A1 Arrangement for inserting pipe or cable into ground has lubricant dispenser on displacement device with outlet opening(s) for lubricant delivery to pipe and/or earth enclosing pipe |
| 01/03/2001 | CN2413120Y Device for reducing friction drag between pipe wall and soil layer in top pipe construction |
| 01/03/2001 | CN2413119Y Double-sleeve mud pump |
| 12/28/2000 | WO2000078603A1 Equipment for storage of a loading hose in a body of water, and method of transferring the hose from the storage position to a position of use |