| Patents for F16L 1 - Laying or reclaiming pipes; Repairing or joining pipes on or under water (7,464) |
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| 03/26/1998 | WO1998012411A1 System for transferring hydrocarbons |
| 03/24/1998 | US5730552 Pipeline anchor apparatus |
| 03/19/1998 | WO1998011374A1 Material and method for lining pipes |
| 03/17/1998 | US5727907 For faults |
| 03/12/1998 | WO1998010210A1 Device and method for filling a bag with a fluid material and bag suited for this purpose |
| 03/12/1998 | WO1998010148A1 Underground pipe repair |
| 03/12/1998 | CA2264891A1 Device and method for filling a bag with a fluid material and bag suited for this purpose |
| 03/11/1998 | EP0828108A1 Process for connecting conduits |
| 03/10/1998 | US5725328 System and process for relining sewerage pipe sections |
| 03/04/1998 | CN1175301A Method of extracting a hollow unit laid in the ground |
| 03/04/1998 | CN1174954A Small pipe track fixing structure |
| 03/03/1998 | US5722795 Non-abrasive subsea mat |
| 03/03/1998 | US5722794 Float for floating flexible pipes |
| 03/03/1998 | US5722204 Device for housing the active and passive junction assemblies of telecommunications installations |
| 02/26/1998 | DE19633932A1 Renovating method for use with buried pipe conduit |
| 02/19/1998 | WO1998006552A1 Protection of pipeline joint connections |
| 02/17/1998 | US5718538 Vertical reel pipe laying vessel |
| 02/12/1998 | WO1998005899A1 Sealing a clearance between a host pipe and a liner pipe |
| 02/12/1998 | WO1998005893A1 Alignment tool |
| 02/12/1998 | CA2261728A1 Sealing a clearance between a host pipe and a liner pipe |
| 02/11/1998 | EP0823580A2 A multiple nested pipe arrangement and method of assembly |
| 02/10/1998 | US5716166 Offshore retrofit of barge bumper systems |
| 02/10/1998 | CA2129867C Apparatus for near vertical laying of pipeline |
| 01/28/1998 | CN1171512A Cutting and threading machine for pipe |
| 01/27/1998 | US5711638 System for deploying cable having nodes into a fluid medium and a blowout preventer |
| 01/14/1998 | EP0817936A1 Process and device for pulling a pipe laid or to be laid in the ground |
| 01/13/1998 | US5707175 Excavating and pipe laying machines |
| 01/13/1998 | US5707174 Underwater cable burial machine using a single cable for towing and lifting |
| 01/07/1998 | EP0816743A2 Method for re-insulating installed steam pipe in situ |
| 01/07/1998 | EP0816008A1 System for supervising piping work |
| 01/06/1998 | CA2049906C Coupling device for pipeline heating system |
| 12/31/1997 | WO1997049871A1 Novel draining wall, method for producing same and element implementated thereby |
| 12/27/1997 | CA2179969A1 Method of constructing a pipeline weight and a pipeline weight |
| 12/18/1997 | WO1997047856A2 System and method for coupling two mutually mobile assemblies, in particular in submarine installations |
| 12/17/1997 | EP0812402A1 Tubing end-piece and connector |
| 12/17/1997 | CN1167882A Method for sealedly joining flanged coupling onto pipeline |
| 12/16/1997 | US5699154 Method and apparatus for installing pipes |
| 12/11/1997 | DE19622247A1 Pipe for pipe conductors with pipe body made from non-conducting material |
| 12/03/1997 | CA2206720A1 System for supervising piping work |
| 12/02/1997 | CA2132923C Apparatus for near vertical laying of pipeline |
| 11/27/1997 | CA2255954A1 A method for levelling and filling of ditches, and a device for use in levelling and filling ditches |
| 11/26/1997 | EP0808436A1 Method of extracting a hollow unit laid in the ground |
| 11/26/1997 | CN2268822Y Water pipeline against being broken by freezing |
| 11/25/1997 | US5690522 Cable tie flotation device with cable tie |
| 11/19/1997 | EP0808007A1 Pulling element for installing a cable in a duct and ducting system comprising such pulling element |
| 11/19/1997 | EP0807224A1 Method and apparatus for assembling or disassembling an installation present on a seabed |
| 11/18/1997 | CA2090823C Apparatus intended to be buried in ground beneath water |
| 11/06/1997 | WO1997041054A1 Pipeline storage |
| 11/06/1997 | DE19616979A1 Safety device for forced removal of material from underground pipes |
| 11/04/1997 | US5683204 Apparatus and method for laying underwater pipelines |
| 10/28/1997 | US5682141 Underground object indicating device |
| 10/26/1997 | CA2174991A1 Two phase hold down containers for pipelines and related methods |
| 10/22/1997 | EP0802002A1 Method for sealedly joining a flanged coupling onto a pipeline |
| 10/16/1997 | DE19614707A1 System for protecting underground cables or pipes during site-work |
| 10/15/1997 | EP0801176A2 Underwater cable burial machine having improved cable laying apparatus |
| 10/15/1997 | EP0801175A2 Underwater cable burial machine using single cable for towing and lifting |
| 10/15/1997 | CN1162350A Improvements to pipe-laying |
| 10/14/1997 | US5676491 Buried pipe laying method |
| 10/07/1997 | US5673469 Method of installing a plastic pipe into an existing steel service pipe |
| 09/24/1997 | EP0797042A1 An apparatus and a method for lining an underground pipe |
| 09/24/1997 | EP0796717A1 A liner for manhole and a method for lining a manhole |
| 09/23/1997 | CA2118678C Apparatus and method for introducing sealant into a clearance |
| 09/19/1997 | CA2200262A1 A liner for manhole and a method for lining a manhole |
| 09/19/1997 | CA2200261A1 An apparatus and a method for lining an underground pipe |
| 09/16/1997 | CA2074415C Handling or laying pipes |
| 09/12/1997 | WO1997033122A1 Pipeline insulation |
| 09/10/1997 | EP0794374A1 Method of joining two adjacent pipe lengths |
| 09/10/1997 | EP0794315A1 Device for drilling in soil |
| 09/03/1997 | EP0792996A1 Apparatus for coupling a pipe string with a service for making earth bore holes |
| 09/03/1997 | EP0792206A1 Method for making a plastic pipe, extrusion die and pipe |
| 09/02/1997 | US5662432 For pushing new pipe sections into an existing pipeline |
| 08/28/1997 | DE19647160A1 Method for laying pipes underground using tunnelling machine |
| 08/26/1997 | US5660912 Plastic profiled strip forming helically wound tube using hinged flap for jointing |
| 08/20/1997 | EP0790451A1 Method for placing a system of ducts |
| 08/20/1997 | CN1157383A Lead pipe configuration for underground pipe laying |
| 08/19/1997 | US5657527 Methods for making light-weight drainage line units |
| 08/14/1997 | WO1997029269A1 Support of a combined feed-out/feed-in device for a coilable tubing |
| 08/13/1997 | EP0789181A1 A reversible lining tube for repairing an existing pipeline |
| 08/12/1997 | US5655753 Ocean bottom cable handling system and method of using same |
| 08/06/1997 | CN1035564C Construction method for arch structure |
| 08/06/1997 | CN1035563C Arch structure and its construction method |
| 07/31/1997 | WO1997027416A1 Use of a buried flexible pipeline |
| 07/23/1997 | EP0785387A1 Method for installing a tube or a bundle of tubes in an existing tubular duct |
| 07/16/1997 | EP0606232B1 Method of lining pipelines and passageways |
| 07/15/1997 | US5647627 Pipe puller |
| 07/03/1997 | DE19538250A1 Method of laying water pipelines |
| 06/25/1997 | EP0779956A2 Improvements in or relating to pipe-laying |
| 06/25/1997 | CN1152655A Arch structure constructing method |
| 06/25/1997 | CN1152654A Arch structure and construction method |
| 06/24/1997 | USRE35542 Pipe bursting and replacement method |
| 06/24/1997 | US5640748 Pipeline assembling apparatus for use with large diameter pipes |
| 06/18/1997 | EP0779465A1 Pipe repair clamp |
| 06/18/1997 | CN1152063A Construction method of arched structure |
| 06/17/1997 | US5639364 Light-weight drainage line units |
| 06/11/1997 | CN1151789A Fluid circulation pipe |
| 06/05/1997 | WO1997020164A1 Method and device for renovating underground pipelines, and use |
| 06/05/1997 | WO1997020160A1 Marine pipelaying and handling of rigid pipelines |
| 06/04/1997 | EP0655117B1 Improvements in marine and submarine apparatus |
| 06/04/1997 | CN1151212A Amorphous metal tagging system for underground structures |
| 05/20/1997 | US5630678 Apparatus for use in laying an elongated article |