| Patents for F16L 58 - Protection of pipes or pipe fittings against corrosion or incrustation (5,790) |
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| 11/09/1994 | CN2182320Y Hose turnover apparatus for pipe lining use |
| 11/08/1994 | US5362921 Flexible subsea line |
| 11/04/1994 | CA2121711A1 Reinforced lining hose |
| 10/27/1994 | WO1994023845A1 Process for coating the internal surface of hydrothermosanitary pipes, particularly made of aluminium, with resinous products and pipes obtained therewith |
| 10/27/1994 | CA2136964A1 Process for coating the internal surface of hydrothermosanitary pipes, particularly made of aluminum, with resinous products and pipes obtained therewith |
| 10/26/1994 | EP0620836A1 Deteriorated structure repair method and substratum for restoring and lining corroded structure |
| 10/26/1994 | CN2180855Y Corrosion-resistant bellows |
| 10/25/1994 | US5358589 Preventing fouling by bonding metal gauze of beryllium-copper alloy to insulator layer formed on surface |
| 10/25/1994 | CA2025252C Continuous nonshielding strip protective wrapping for buried pipe |
| 10/19/1994 | CN1093785A Pipe construction |
| 10/18/1994 | US5356679 Pipe surface coating with conversion and thermosetting resin layer, and process for the coating application |
| 10/18/1994 | US5356665 Method of manufacturing a pipe coated with a resin layer on the inner surface thereof |
| 10/18/1994 | US5356502 Method for lining a branch pipe |
| 10/13/1994 | WO1994022661A1 Joining bodies of thermoplastic material |
| 10/13/1994 | WO1994022598A1 Three-coat coating system for metal pipes and method of coating the outside of a metal pipe with a three-coat coating of this kind |
| 10/13/1994 | CA2158657A1 Three-layer metal pipe coating composition and process for the exterior coating of metal pipes by a three-layer method |
| 10/13/1994 | CA2136223A1 Joining bodies of thermoplastic material |
| 09/28/1994 | EP0617220A1 Coupled pipe assembly having a tapered interior sleeve |
| 09/28/1994 | EP0616671A1 Composite metal tube and method of making the same |
| 09/28/1994 | EP0537239B1 Method and installation for fitting an inner tube in an existing pipeline |
| 09/28/1994 | CN1092851A Lining tube for pipeline |
| 09/21/1994 | EP0615596A1 Improvements relating to pipeline insulation and anticorrosion protection. |
| 09/21/1994 | CN1092512A Lining cable for pipe lining |
| 09/20/1994 | US5348801 Tape for reinforcing pressure-supporting hollow bodies and a method for repairing deteriorated pipes |
| 09/20/1994 | US5348211 Joining of metallic pipe lined with thermoplastic polymer |
| 09/14/1994 | CN2177152Y Temperature difference pipe anti-corrosion instrument |
| 09/13/1994 | US5346261 Coupled pipe assembly having a tapered interior sleeve |
| 09/07/1994 | EP0489891B1 Process for sealing and renovating the inside of systems of laid ducts |
| 09/01/1994 | WO1994019641A1 Heat insulated pipe system, method of laying the pipes, and means for joining the pipes |
| 09/01/1994 | WO1994019640A1 Piping element for burried conduit, corresponding burried conduit, and method for protecting said piping element |
| 08/24/1994 | EP0611915A1 A method of providing a protective cover to an elongate substrate |
| 08/23/1994 | US5340524 Variable angular insertion method for lining tubular members |
| 08/23/1994 | US5339867 Composite metal tube and method of making the same |
| 08/18/1994 | WO1994018418A1 Lined manhole assembly and liner |
| 08/18/1994 | CA2155838A1 Lined manhole assembly and liner |
| 08/17/1994 | EP0610620A1 A method for lining a branch pipe |
| 08/17/1994 | EP0610437A1 Improvements relating to the lining of pipelines and passageways |
| 08/17/1994 | EP0610349A1 Heat shrinkable sleeve for connecting a pipe and cable. |
| 08/17/1994 | EP0550591B1 A method of protecting materials against corrosion as well as an apparatus for carrying out the method |
| 08/10/1994 | EP0610142A1 Magnetic device for the treatment of calcium bicarbonate containing water in conduits |
| 08/09/1994 | US5335841 Method of manufacturing welded pipe with excellent corrosion-resistant inner surface |
| 08/04/1994 | WO1994017324A1 Heat-recoverable article |
| 08/04/1994 | CA2154271A1 Heat-recoverable article |
| 08/03/1994 | EP0608421A1 Metallic material excellent in resistance to chemical solution and chemical solution treating device or parts thereof using said material |
| 08/02/1994 | US5333913 Galvanic isolation device |
| 07/20/1994 | EP0606209A1 Covering for pipelines |
| 07/13/1994 | CN1089341A Oil pipe with nickel-phosphorus alloy anti-corrosion coating and its producing method |
| 07/05/1994 | US5326400 Plug member for use in coating an interior surface of a pipe |
| 06/23/1994 | WO1994013992A1 Pipe construction |
| 06/22/1994 | CN2169762Y Pipe connector and its anti-corrosion lining device |
| 06/21/1994 | US5322656 Method and apparatus for coating the outer surface of an elongated body with a layer of concrete |
| 06/16/1994 | DE4244741A1 Assembly device for protective sleeve in water pipe - has spindle in axial setting rod with guide sleeve at centre bore box with protective sleeve on sleeve ends |
| 06/15/1994 | CN2169022Y Pipe against corrosion |
| 06/14/1994 | US5320388 Well tubing liner system |
| 06/09/1994 | WO1994012828A1 Flangeless pipe joint |
| 06/09/1994 | CA2146254A1 Flangeless pipe joint |
| 06/08/1994 | EP0600842A2 Method for applying a protective coating on carbon steel pipes |
| 06/08/1994 | CN2168154Y Weld anti-flushed prolonging pipe |
| 06/08/1994 | CN2168148Y Anti-septic pipeline structure member for transportion of gas or liquid |
| 06/08/1994 | CN1024944C Material for pipe antiseptic liner |
| 05/31/1994 | US5317610 Prevent reduction in wall thickness |
| 05/31/1994 | US5316606 Polyethylene, acrylic acid-ethylene copolymer |
| 05/26/1994 | WO1994011664A1 Corrosion resistant connection for use with tubular members |
| 05/26/1994 | WO1994010408A3 Deteriorated structure repair method and substratum for restoring and lining corroded structure |
| 05/26/1994 | CA2148498A1 Corrosion resistant connection for use with tubular members |
| 05/17/1994 | US5312026 Welded tube with excellent corrosion-resistant inner surface and method of producing the same |
| 05/11/1994 | WO1994010497A1 Multilayer fire protective coating |
| 05/11/1994 | WO1994010408A2 Deteriorated structure repair method and substratum for restoring and lining corroded structure |
| 05/11/1994 | EP0595962A1 Corrosion protection system. |
| 04/28/1994 | WO1994009306A1 Protective sheet for pipe element and corresponding pipe element comprising a protective layer |
| 04/28/1994 | WO1994008728A1 Apparatus for coating the inner side of tubing with protective material |
| 04/19/1994 | US5303743 Thread protection system |
| 04/19/1994 | US5303518 Lined manhole assembly and liner |
| 04/13/1994 | CN2161805Y Assemble/disassemble pipeline insulated antiseptic cover |
| 04/13/1994 | CN1085265A Bellows used in expansion joint and flexible metal tubing |
| 04/06/1994 | EP0590344A2 Method for treating the interior surface of a pipe or a tube |
| 04/05/1994 | US5300356 Wrapping |
| 03/31/1994 | WO1994007077A1 Means of coupling of non-threaded connections |
| 03/31/1994 | WO1994007076A1 Tubular assembly and method of making same |
| 03/31/1994 | CA2143215A1 Tubular assembly and method of making same |
| 03/31/1994 | CA2143213A1 Means of coupling of non-threaded connections |
| 03/30/1994 | EP0589800A1 Plastic lined dual containment piping system |
| 03/29/1994 | US5298299 Double wall fire proof duct |
| 03/29/1994 | US5297587 Sealed double wall steel tubing having steel outer surface |
| 03/17/1994 | WO1994005499A1 High tensile strength composite reinforcing bands and methods for making same |
| 03/15/1994 | US5294396 Polyurethane |
| 03/15/1994 | CA1327758C Vent collar for plastic lined pipe |
| 03/08/1994 | CA1327508C Composite, corrosion-resistant article comprising a metal substrate, a refractory metal layer on said substrate and a sulfide coating on said layer |
| 03/03/1994 | WO1994004349A1 Flexible protective membrane particularly useful for waterproofing and protecting reinforced concrete bodies and metal pipes |
| 03/03/1994 | CA2143121A1 Flexible protective membrane particularly useful for waterproofing and protecting reinforced concrete bodies and metal pipes |
| 03/02/1994 | CN2157866Y Polytetrafluorethylene-metal compound compensator |
| 02/23/1994 | CN2157387Y Strong sound radiation antiscaling instrument |
| 02/23/1994 | CN1023868C Reinforced adhesive band made of plastics-coated glass fibre and its production |
| 02/16/1994 | CN2156014Y Tight lining teflon products |
| 02/09/1994 | CN1081750A Galvanized steel pipe with coating at internal and external of it and processing method thereof |
| 02/03/1994 | DE4319433A1 Field gap seal for pipelines in concrete jacket - involves plastics strips, surrounding pipeline, wound in gap. |
| 02/01/1994 | US5282652 Lined pipe joint and seal |
| 01/26/1994 | EP0579788A1 Ablating gelatin pig and method for use in tubulars |
| 01/26/1994 | CN2154393Y Anti-etch technology device for internal wall of mineral tube |
| 01/19/1994 | EP0579249A2 Process for repairing plastic coatings on metal pipes |