| Patents for F16L 58 - Protection of pipes or pipe fittings against corrosion or incrustation (5,790) |
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| 07/11/1989 | US4846264 Composite pipe, process for producing the same, and heat pipe using the same |
| 07/04/1989 | US4845234 In situ lining of pipe interiors, curing agents for epoxy resins |
| 06/22/1989 | DE3741598A1 Supporting structure for plant components |
| 06/13/1989 | US4838317 Hydraulically efficient ribbed pipe |
| 06/07/1989 | EP0319456A2 Method for the continuous coating of steel tubes with plastics |
| 06/06/1989 | CA1255239A1 Tubular article |
| 05/30/1989 | CA1254852A1 Lining of pipelines and passageways |
| 05/10/1989 | EP0314970A1 Method and device for lining a connecting end of compound pipeline components |
| 05/09/1989 | US4827596 Plastic coating process for pipe couplings |
| 04/25/1989 | US4824705 Insulated pipe |
| 04/12/1989 | EP0311270A2 Method of applying low gloss nylon coatings |
| 04/11/1989 | US4820591 Metal substrate, refractory metal layer, refractory metal sulfide coating |
| 04/11/1989 | US4820561 Recoverable article for encapsulation |
| 04/05/1989 | EP0309830A1 Gas barrier on dischargers and beam waveguides |
| 04/05/1989 | EP0309597A1 Coating of the jointing area of steel pipes welded together |
| 04/05/1989 | CN1032181A Leakage-stopping agent for internal combustion engine |
| 04/04/1989 | US4818298 Cleaning with liquid jets, impregnating with corrosion inhibitor |
| 04/04/1989 | US4817259 Composite pipe, process for producing the same, and heat pipe using the same |
| 03/22/1989 | EP0307609A1 Pipe with internal coating as protection against chemical attacks at high working pressures |
| 03/09/1989 | DE3728192A1 Interior-surface protection for a pipeline |
| 03/07/1989 | US4810453 Method for applying a protective coating |
| 03/07/1989 | CA1250737A1 Lining of pipelines and passageways |
| 02/28/1989 | US4808032 Thrust pipe |
| 02/21/1989 | US4806400 Tapered adhesive tape |
| 02/08/1989 | EP0302690A2 Tube connector |
| 02/07/1989 | US4803103 Recoverable article |
| 02/07/1989 | US4802509 Wraparound closure for conduit protection |
| 01/31/1989 | US4801159 For gas meter connection |
| 01/26/1989 | WO1989000481A1 Method for the repair of the inside of installed conduits |
| 01/25/1989 | EP0300231A1 Seal for a flanged joint |
| 01/24/1989 | US4800104 Oil and gas well pipes, electrooptics |
| 01/18/1989 | EP0299408A1 A pipe coated with a resin layer on the inner surface thereof and a method for manufacturing the same |
| 01/18/1989 | EP0299134A1 Method for renovating the inner surfaces of installed conduits |
| 01/18/1989 | EP0299008A1 Method and device for fire and corrosion protected objects |
| 01/10/1989 | US4796668 Device for protecting threadings and butt-type joint bearing surfaces of metallic tubes |
| 01/03/1989 | US4795509 Indicator for dimensionally-recoverable sleeves |
| 01/03/1989 | US4795503 Nickel electroplating, oxidation, acid dipping and chemical plating |
| 12/28/1988 | EP0296821A1 Anti-corrosion device for pipe flanges |
| 12/28/1988 | CA1247465A Method of coating the internal surface of a pipeline with a cement-sand mortar and a device for effecting same |
| 12/27/1988 | US4793404 Composite pipe, process for producing the same, and heat pipe using of the same |
| 12/22/1988 | DE3719543A1 Isolierbaender, verfahren zu ihrer herstellung und ihre verwendung Insulating tapes, methods for their preparation and their use |
| 12/20/1988 | US4792493 Corrosion resistant coating and liner combination |
| 12/15/1988 | WO1988009898A1 Connections for tubes made of composite materials |
| 12/15/1988 | WO1988009832A1 Process and installation for preventing corrosion of water pipes |
| 12/13/1988 | CA1246335A1 Device for coating the internal surface of a pipeline with a cement-sand mixture |
| 12/01/1988 | WO1988009460A1 Anti-fouling covering for sub sea structures |
| 11/29/1988 | CA1245486A1 Tubular expansion bolt |
| 11/22/1988 | US4785854 Method of coating metal pipe having bending capability |
| 11/17/1988 | EP0290993A2 Pipe system for use as a chimney, chimney insert or the like |
| 11/15/1988 | US4784311 Fuel injection tube for diesel engines |
| 11/09/1988 | CN88101663A Metal pipes joined at their ends, production process and aparatus for carrying it out |
| 11/03/1988 | DE3712955A1 Insulating sleeve for joining locations of pressurised-water-channelling plastic pipes |
| 11/02/1988 | EP0288579A1 Lining material of pipe-line |
| 11/01/1988 | CA1244063A1 Pipe connection |
| 10/25/1988 | US4780163 Forming closures, pushing or pulling liner, contacting, fusion, insulation, and welding; sliplining |
| 10/25/1988 | US4780072 Apparatus for internally coating welded pipe at the weldment |
| 10/19/1988 | EP0287429A1 Process of manufacturing metallic tubes connected at their ends |
| 10/12/1988 | EP0286340A2 Sealing device |
| 09/27/1988 | US4773479 Placing a string of tubing in an oil field |
| 09/20/1988 | US4771523 Method of applying low gloss nylon coatings |
| 09/14/1988 | EP0281864A1 Protection device against erosion/corrosion of a wall exposed to steam |
| 09/07/1988 | EP0281353A2 Method of, and elastomeric composition for protecting a substrate |
| 08/30/1988 | CA1241262A1 In-situ method for lining pipe with thermoplastic liner |
| 08/16/1988 | US4764237 Compression with flexibility hose containing flowing medium |
| 08/11/1988 | WO1988005885A1 Method and device for fire and corrosion protected objects |
| 08/10/1988 | CN87217103U Compound concret lining structure for steel waterpipe |
| 08/09/1988 | US4762585 Epoxy resins with amine curing agents |
| 08/02/1988 | US4761194 Method of environmental sealing |
| 08/02/1988 | US4761193 Recoverable article for encapsulation |
| 08/02/1988 | CA1239901A1 Method for preventing corrosion at a filled girthweld concrete cutback |
| 07/28/1988 | DE3700883A1 Method of renewing linear underground structures accessible by walking or crawling and having a closed profile, in particular sewers, as well as a set of plastic structural elements for realising the method |
| 07/26/1988 | US4759390 Coated metal pipe having bending capability |
| 07/19/1988 | US4758115 Pipeline, a method of laying the pipeline and a device for effecting said method |
| 07/19/1988 | US4758025 Use of electroless metal coating to prevent galling of threaded tubular joints |
| 07/13/1988 | EP0112841B1 The lining of pipelines or passageways |
| 07/12/1988 | CA1239100A1 Corrosion resisting steel pipe and method of manufacturing same |
| 07/06/1988 | EP0273224A1 Method of making a hollow pressure vessel around an elongate substrate |
| 07/05/1988 | CA1238758A1 Recoverable article |
| 06/29/1988 | EP0272364A1 Method of forming a closure member for a recoverable article |
| 06/29/1988 | CN87101159A Protective sleeve for covering material for pipe |
| 06/28/1988 | CA1238587A1 Metallic pipe provided with protection against corrosion and a method for the production thereof |
| 06/22/1988 | EP0272075A1 Protection of joints in elongate substrates |
| 06/21/1988 | US4752497 Thermosetting resin and glass fibers or mica flakes, fusion, cooling, curing |
| 06/21/1988 | CA1238352A1 Oil well pipe joint |
| 06/15/1988 | EP0271239A1 Coated metal pipe having bending capability |
| 06/08/1988 | EP0270132A2 Dimensionally recoverable article |
| 06/07/1988 | CA1237683A1 Composite pipe, process for producing the same, and heat pipe using the same |
| 05/26/1988 | DE3639087A1 Integrierte aluminiumfassade und verfahren zu ihrer herstellung Integrated aluminum facade and process for their production |
| 05/24/1988 | US4745879 Device for coating the internal surface of a pipeline with a cement-sand mixture |
| 05/19/1988 | WO1988003598A1 Tunnel or sewer lining system |
| 05/19/1988 | WO1988003586A1 Integrated aluminum façade and process for its production |
| 05/19/1988 | WO1988003476A1 Lining material of pipe-line |
| 05/17/1988 | US4744842 Molding a thermally insulating, resilient water impermeable material containing dispered hollow units |
| 05/17/1988 | CA1236779A1 Dielectric fitting and method |
| 05/10/1988 | US4743329 Process for manufacturing of composite pipes |
| 05/03/1988 | CA1236046A1 Corrosion protection system comprising electrode with conductive core and conductive polymer layer |
| 04/28/1988 | DE3635942A1 Winding tape of plastic for corrosion protection |
| 04/27/1988 | EP0264593A2 Apparatus for scale removal from water-pipes |
| 04/27/1988 | EP0264446A1 Joint for oil well pipes and method of manufacturing same |
| 04/26/1988 | US4740017 By-pass connections obtained by molding a coating of a junction material around a rigid tubular insert and a process for manufacturing same |