| Patents for F16L 1 - Laying or reclaiming pipes; Repairing or joining pipes on or under water (7,464) |
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| 07/12/1994 | US5327924 Abandonment of a branch main |
| 06/15/1994 | EP0601442A1 Pipe laying process having simultaneous driving press |
| 06/09/1994 | WO1994012820A1 An offshore pipeline insulated with a cementitious coating |
| 06/09/1994 | DE4325510A1 Joining last pipe to pipeline laid in ditch - involves draw cable operated by power source attached to movable frame spanning ditch with mast extending down to brace against end of front pipe |
| 06/08/1994 | EP0406380B1 Secondarily contained fluid supply system |
| 06/07/1994 | US5318384 Device for depositing and recovering a heavy load on the ocean floor |
| 06/01/1994 | EP0522049B1 Method for laying tubular conduits |
| 06/01/1994 | EP0381743B1 Seabed stabilisation mattresses |
| 05/24/1994 | US5313986 Method for positioning components on a cylindrical member |
| 05/24/1994 | CA1329757C Self propelled internal pipe arching apparatus |
| 05/18/1994 | EP0597539A1 Apparatus for the continuous automatic laying of constructional elements |
| 05/18/1994 | CN2165304Y Underground pipe laying machine |
| 05/17/1994 | CA2036674C Pipe bursting and replacement apparatus and method |
| 05/17/1994 | CA2006057C Secondarily contained fluid supply system |
| 05/11/1994 | CN2164490Y Flexible pad bed for underground pipe |
| 05/04/1994 | EP0594642A1 Self-closing clamping apparatus |
| 05/03/1994 | US5308193 Preventative maintenance system for underwater pipes |
| 04/20/1994 | CN2162573Y Semi-protection pipeline for inner-liner of plastic flexible pipe |
| 04/14/1994 | WO1994008166A1 Span support for underwater pipelines |
| 04/13/1994 | EP0591245A1 Elongate hollow member. |
| 04/03/1994 | CA2107510A1 Buried marker |
| 03/31/1994 | WO1994006678A1 Method and apparatus for laying/recovery of lines on a seabed |
| 03/30/1994 | EP0496872B1 Method and apparatus for positioning components |
| 03/30/1994 | EP0418257B1 Rehabilitating underground pipes |
| 03/29/1994 | US5297898 Apparatus for extracting drip irrigation tubing |
| 03/29/1994 | CA1328040C Fabricating helical flowline bundles |
| 03/23/1994 | EP0588089A1 Foamed hose with coil reinforcement |
| 03/23/1994 | EP0588051A1 Method for laying a heating pipe without excavation, heating pipe and devices for implementing this method |
| 03/17/1994 | WO1994005864A1 Excavating and pipe laying machines |
| 03/16/1994 | CN2158956Y Moveable pipe automatic turn-round bridge seat |
| 03/09/1994 | EP0586297A1 Device for axial alignment and butt-positioning of two elongated members |
| 03/09/1994 | EP0585959A1 Method for realising an entrenched conduit |
| 03/03/1994 | WO1994004865A1 Improvements in marine and submarine apparatus |
| 03/03/1994 | WO1994004307A1 Pipe joining tool |
| 03/02/1994 | EP0585188A1 Device for automatically laying underground conduits |
| 03/02/1994 | CN1083193A Device for mounting a flexible line comprising a curvature limiter |
| 03/02/1994 | CN1083167A 拱形结构 Arch |
| 03/02/1994 | CN1083166A 拱形结构 Arch |
| 03/01/1994 | US5289845 Oilfield tubing reel and reel assembly |
| 02/22/1994 | US5289561 Subsea pipeline system with electrically heated flexible pipeline |
| 02/22/1994 | US5287893 Head for replacing mains |
| 02/09/1994 | EP0581890A1 Seismic cable deployment apparatus |
| 02/09/1994 | CN1023725C Three-way pipe for pilot fluid and confluence for use in water heating system |
| 02/01/1994 | US5282696 Pneumatic ram pipe replacement |
| 02/01/1994 | US5282494 Replacement main having nozzle and vanes |
| 02/01/1994 | CA1326600C Method of pipe replacement |
| 01/20/1994 | DE4223406A1 Underground drilling appts for domestic sewer pipe laying - is equipped with tubular extension pieces for advancing pipe sections and with clutch arrangements for extn from laid pipe |
| 01/18/1994 | CA2048845C Method of deepwater pipelay |
| 01/05/1994 | EP0577018A2 Band for recovering of non-metallic underground conducts or the like |
| 01/04/1994 | US5275510 Offshore tanker loading system |
| 12/28/1993 | CA1325584C Method and apparatus for the lining of existing pipes |
| 12/23/1993 | DE4239916C1 Conduit or pipeline testing device - uses flexible hose to displace test heat acting as carrier for electrical supply and measuring cables |
| 12/23/1993 | DE4219676A1 Method of pipe laying without excavation - has core pipe driven into earth via ram with product piping following, earth being cleared by pressure medium and pushed by slide |
| 12/08/1993 | CN1079279A Light float and application in underwater engineering |
| 12/02/1993 | DE4235355C1 Pipe or cable laying system - has removed trench material used for refilling trench after dosing with cement or lime |
| 11/24/1993 | CN2147406Y Electromagnetic mechanical frequency-changing solidify and viscosity reducing device |
| 11/23/1993 | US5263796 Self-closing clamping apparatus |
| 11/23/1993 | CA1324574C Device and method for remote connection and installation of a welded coupler |
| 11/18/1993 | EP0570353A1 Conduit, especially for gas and water |
| 11/11/1993 | WO1993022592A1 Method of laying a pipeline from a laybarge, on an uneven seabed |
| 10/28/1993 | WO1993021399A1 System and process for relining channel pipe sections |
| 10/28/1993 | WO1993021398A1 System and process for relining channel pipe sections with inspection facilities |
| 10/28/1993 | DE4213068A1 System und Verfahren zum Relining von Kanalrohrabschnitten System and Method for relining of sewer pipe sections |
| 10/27/1993 | EP0456732B1 Improvements relating to the lining of pipelines and passageways |
| 10/20/1993 | CN2144229Y Combined horizontal pipe propulsion unit with two rails |
| 10/14/1993 | WO1993020381A1 Relining pipe |
| 10/14/1993 | WO1993020373A1 Pipes suitable for advanced gas distribution systems |
| 10/14/1993 | WO1993020371A1 Underground pipe replacement method and apparatus |
| 10/14/1993 | CA2132190A1 Underground pipe replacement method and apparatus |
| 10/14/1993 | CA2131459A1 Relining pipe |
| 10/13/1993 | EP0565445A1 Apparatus for securing a flexible line having a bend restrictor |
| 10/13/1993 | EP0564691A1 Method for laying a pipe into the soil and pipe with protective cover |
| 10/07/1993 | DE4244331A1 Tensioner for joining pipe sections - is clamped to one pipe section and has servo driven chain pull to drawn other pipe section into joint |
| 10/06/1993 | EP0528801A4 Pipe bursting and replacement apparatus and method |
| 10/06/1993 | EP0527721A4 Method and apparatus for constructing and moving long pipelines |
| 09/22/1993 | EP0561510A1 Apparatus intended to be buried in ground beneath water |
| 09/22/1993 | EP0549719A4 Positive seal coupling internal joining press |
| 09/22/1993 | EP0446287B1 Method of laying a pipe for the transportation of a fluid |
| 09/08/1993 | EP0371057B1 Polymeric tape with biocide |
| 09/07/1993 | US5242247 Apparatus for laying pipe |
| 09/07/1993 | CA1322012C Pipe component aligning device |
| 08/31/1993 | US5240352 Method for the mounting of underground pipelines |
| 08/31/1993 | US5240351 Hydrodynamic cable deployment system |
| 08/24/1993 | CA2048390C Extraction of underground pipe |
| 08/24/1993 | CA1321479C Method of pipe replacement (no.1) |
| 08/19/1993 | WO1993016311A1 Pipe joint member for assembling district heating pipes |
| 08/17/1993 | US5236178 Cable guide tube assembly |
| 08/11/1993 | EP0554699A2 Apparatus for rounding tubes |
| 08/03/1993 | US5232502 Pipe handling apparatus |
| 07/27/1993 | US5231657 Cordless telephone system that releases hold state of handset after intrusion by another party is detected |
| 07/22/1993 | DE4301155A1 Scissors type device for printing round e.g. plastic gas pipes - has two pincer arms at one end holding two curved shells of radius suitable to clamp round pipe, whilst other end is opened and closed by suitable means |
| 07/13/1993 | US5226231 Pipe joining tool |
| 07/08/1993 | WO1993013352A1 Improvements relating to the lining of pipelines and passageways |
| 07/08/1993 | WO1993013344A1 Elongated housing of large cross-section and its fabrication method |
| 07/08/1993 | CA2121354A1 Improvements relating to the lining of pipelines and passageways |
| 07/08/1993 | CA2110902A1 Elongated housing of large cross-section and its fabrication method |
| 07/07/1993 | EP0549719A1 Positive seal coupling internal joining press |
| 07/06/1993 | US5225121 Method for repairing a pipe |
| 07/06/1993 | US5224797 Apparatus for laying porous irrigation pipe, cable, conduit, and the like |
| 06/30/1993 | EP0548417A1 Method for manufacturing a pipe liner. |