| Patents for F16L 58 - Protection of pipes or pipe fittings against corrosion or incrustation (5,790) |
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| 01/18/1994 | US5279368 Anti-fouling covering for use in sub-sea structures |
| 01/13/1994 | DE4215190C1 Pipe inner cladding - has base layer of cement and quartz sand with granular foam material and a thinner covering layer of cement and sand to reduce weight |
| 01/12/1994 | EP0578343A1 High pressure water jet cleaner and coating applicator |
| 01/11/1994 | US5277455 Plastic lined dual containment piping system |
| 01/11/1994 | US5277228 Welded pipe with excellent corrosion resistance inner surface |
| 01/05/1994 | EP0577134A2 Laminate |
| 01/05/1994 | CN1080377A Corrosion-preventing method for welding zone internal wall of lining steel pipe |
| 01/04/1994 | US5275893 Line pipe having good corrosion-resistance and weldability |
| 01/04/1994 | US5275760 Mixing hydrogel-forming polymer with pumpable oil to form slurry; gelling corrosion inhibitor solution |
| 01/04/1994 | US5274897 Method of corrosion protection at pipe junctions |
| 12/29/1993 | CN2151346Y Corrosionproof adhesive tape |
| 12/28/1993 | US5273611 A carriage having a frame and support rollers, a film dispenser and guide rollers to press the film |
| 12/22/1993 | EP0574488A1 Method, pipeline and device for fitting an inner tube in an existing pipeline using air venting means. |
| 12/22/1993 | EP0455764B1 Remotely controlled installation of linings in inaccessible sewer-pipe junctions and discharge entries |
| 12/21/1993 | US5271974 Improved cement and polyolefin lined product |
| 12/15/1993 | EP0574060A1 Tape for reinforcing pressure-supporting hollow bodies and a method for repairing deteriorated pipes |
| 12/15/1993 | CN2149540Y Internal pipe corrosion-proof additional ring |
| 12/15/1993 | CN1079540A Polytetrafluoroethylene-metal pipe reinforced compensator and making method thereof |
| 12/09/1993 | WO1993024782A1 Protection of pipe joints |
| 12/08/1993 | EP0572409A1 Improvements in or relating to the lining of passageways. |
| 12/07/1993 | US5268392 For concrete; applying a hydrogenated resin; curing |
| 11/30/1993 | CA1324804C Tube assembly having inner wall with thermosensitive coating |
| 11/24/1993 | EP0570657A1 corrosion resistant pipe |
| 11/23/1993 | EP0579788A4 Ablating gelatin pig and method for use in tubulars. |
| 11/23/1993 | CA2096810A1 Tape for reinforcing pressure-supporting hollow bodies and a method for repairing deterriorated pipes |
| 11/23/1993 | CA1324584C Tubing with inside oxide layer |
| 11/11/1993 | DE4208047C1 Mortar mixt. for sheathing metal pipes - contg. addition of micro-silica to improve handling characteristics |
| 11/05/1993 | CA2076927A1 Apparatus for applying a continuous film to a tube |
| 10/28/1993 | WO1993021392A1 Improvements relating to the protection of corrosion-susceptible members |
| 10/19/1993 | US5253902 Anti-seizing surface coating for assembly means for tubes by threadings and process for producing such a coating |
| 10/14/1993 | WO1993020381A1 Relining pipe |
| 10/14/1993 | CA2131459A1 Relining pipe |
| 10/13/1993 | EP0564691A1 Method for laying a pipe into the soil and pipe with protective cover |
| 10/06/1993 | EP0563958A1 Lining of a structure for inhibiting deposit of organisms |
| 10/06/1993 | CN2143281Y Steel pipe lining with polymer mixture |
| 10/06/1993 | CN1076886A Steel-plastics combined integrative pipe and its production method |
| 10/03/1993 | CA2093177A1 Lining of organism deposit-inhibiting structure |
| 09/21/1993 | US5246641 Method for lining a pipe with a cement mortar |
| 09/21/1993 | US5246256 Roll grooved pipe |
| 09/15/1993 | EP0560443A1 Method for monitoring and locating defects in, and detachment of, the protective covering of underground or immersed metal structures or pipelines |
| 09/14/1993 | US5244237 Fitting with a compressible lining |
| 09/14/1993 | US5244236 Corrosion-preventive sleeve for drilled hole in metal pipe and tool for mounting the same |
| 09/14/1993 | CA1322182C Ribbed pipe |
| 09/12/1993 | CA2091414A1 Device and method for monitoring and locating defects in, and detachment of, the protective covering of underground or immersed metal structures or pipelines |
| 09/07/1993 | US5241993 Method for grouting cavities using a pumpable cement grout |
| 09/07/1993 | CA2062458A1 Environmental protection system for underground pipes |
| 08/31/1993 | US5240293 Brittle lined pipe connector |
| 08/25/1993 | EP0556824A1 Method for providing a wall of a protective sheet; system provided with a protective sheet and anchoring means |
| 08/25/1993 | EP0556533A1 Concrete pipe provided with a socket and spigot end |
| 08/24/1993 | US5238328 Inner layer has low coefficient of friction between itself and the fiber optic cables pulled therethrough |
| 08/24/1993 | CA1321455C Method and apparatus for applying thermoplastic protective coating to pipes |
| 08/18/1993 | CN2140466Y Pressure durable and corrosion resistant lead-out |
| 08/17/1993 | US5236231 Brittle lined pipe connector |
| 08/05/1993 | WO1993012370A3 Improvements relating to pipeline insulation and anticorrosion protection |
| 08/04/1993 | CN2139649Y Energy-saving composite tubing with black chromium coating |
| 07/14/1993 | EP0551103A1 Ventilation duct with folded sheet |
| 07/14/1993 | EP0550591A1 A method of protecting materials against corrosion as well as an apparatus for carrying out the method. |
| 07/14/1993 | CN2138238Y Magnetic scale releasing apparatus for power plant water pipe |
| 07/08/1993 | WO1993013352A1 Improvements relating to the lining of pipelines and passageways |
| 07/08/1993 | CA2121354A1 Improvements relating to the lining of pipelines and passageways |
| 07/07/1993 | EP0549815A1 Concrete structure and method of fabricating said structure |
| 06/30/1993 | EP0549502A1 Multilayer coating, its process and application |
| 06/24/1993 | WO1993012370A2 Improvements relating to pipeline insulation and anticorrosion protection |
| 06/24/1993 | WO1993012369A1 Composite metal tube and method of making the same |
| 06/23/1993 | EP0547875A2 Elastomer-lined metal pipe |
| 06/16/1993 | EP0546549A1 Line pipe having good corrosion-resistance and weldability |
| 06/15/1993 | US5219614 Method for lining pipe inner surface in multibranch piping |
| 06/12/1993 | CA2085095A1 Line pipe having good corrosion-resistance and weldability |
| 06/09/1993 | EP0545696A1 Encasing pipe joints |
| 06/09/1993 | CN1072997A Polymer cement mortar used as water pipe lining and method thereof |
| 06/01/1993 | US5215781 Method for treating tubulars with a gelatin pig |
| 05/26/1993 | CN2134568Y Compound material pipe-line |
| 05/13/1993 | WO1993009372A1 Heat shrinkable sleeve for connecting a pipe and cable |
| 05/12/1993 | CN1072007A Wear- and corrosion-resistant composite steel pipe and mfg. method thereof |
| 05/11/1993 | US5209946 Treatment of tubulars with gelatin containing magnetic particles |
| 05/06/1993 | DE4226902C1 Lining or coating for fluid pipes - is made of fibre reinforced plastics with overlapping edge sections and flanges acting as spacers |
| 05/05/1993 | CN2132061Y Tossing and painting device of mouth mending machine |
| 05/04/1993 | US5207248 Pipe coated with a resin layer on the inner surface thereof |
| 04/29/1993 | WO1993008424A1 Lined pipe joint and seal |
| 04/29/1993 | WO1993008022A1 Metallic material excellent in resistance to chemical solution and chemical solution treating device or parts thereof using said material |
| 04/21/1993 | EP0537239A1 Method and installation for fitting an inner tube in an existing pipeline. |
| 04/21/1993 | CN2130231Y Water-proof anti-corrosion sleeve for thermal pipeline |
| 04/21/1993 | CN1071240A Non-mending technology for inside of corrosion-resisting compound pipeline structure |
| 04/07/1993 | EP0535187A1 Process for producing a metallic tube provided with a protective layer at least on its inner side. |
| 04/07/1993 | CN2129366Y Anticorrosive water-deliverying steel pipe and connecting piece |
| 04/06/1993 | US5199153 Method for making a flanged pipe length having a lining of plastic material |
| 04/01/1993 | WO1993002311A3 Corrosion protection system |
| 03/25/1993 | DE4131542A1 Corrosion-resistant coating applied to steel pipe interior - contains chromate and phosphate and metallic filler and is mixed with water and then heated |
| 03/18/1993 | DE4130167A1 Chemical fluid or diffusion resistant composite tube e.g. for potable water pipe |
| 03/17/1993 | EP0531790A2 Composite pipe, method of manufacture and connection of said composite pipe |
| 03/03/1993 | CN1069444A Polytetrafluoroethylene sealing tight liner and manufacturing method |
| 03/02/1993 | US5190705 Method for lining large-diameter pipes |
| 02/25/1993 | DE4127992A1 Beton-kunststoff-verbundrohr, verfahren zu seiner herstellung und seine verwendung als vortriebsrohr Concrete-plastic composite pipe, process for its production and its use as a power-tube |
| 02/16/1993 | US5186503 Device for connecting a thin-walled hose with a tubular element |
| 02/16/1993 | US5186217 Fluid-impervious structure and method of making same |
| 02/04/1993 | WO1993002311A2 Corrosion protection system |
| 02/04/1993 | WO1993001934A1 Concrete structure and method of fabricating said structure |
| 02/03/1993 | EP0433333B1 Constructional member and method |
| 02/02/1993 | CA1313385C Tube connector |
| 01/27/1993 | EP0420961B1 Recoverable sleeve assembly for pipe joint |