| Patents for F16L 58 - Protection of pipes or pipe fittings against corrosion or incrustation (5,790) |
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| 07/11/2001 | CN2438909Y Anticorrosive & antirust water purifying apparatus for pipeline system |
| 07/11/2001 | CN1302705A Technology for making composite cast tube with liner of microcrystal glass |
| 07/04/2001 | EP1113066A1 Steel pipe having an organic resin outer surface coating for improved hydroforming |
| 07/04/2001 | CN1301931A High strength composite pipe with anti-corrosion wear-resistant coating |
| 06/28/2001 | WO2001046612A1 High temperature composite pipe wrapping system |
| 06/27/2001 | CN1300705A Auxiliary anticorrosion process for external surface of open tank and pipeline |
| 06/21/2001 | WO2001043872A1 Device for handling corrosive chemicals |
| 06/20/2001 | CN2435611Y Inner wall moulding pipe joint element |
| 06/19/2001 | US6247499 Non-woven polyphenylene sulfide fabric saturated with a mixture of bisphenol a liquid epoxy and a cycloaliphatic amine curing agent. |
| 06/13/2001 | CN2434518Y Prodn. set for plastic coating anticorrosion steel pipe |
| 06/12/2001 | US6245183 Brake lines and fuel lines, zinc metal pipes, |
| 06/06/2001 | EP1104533A1 Pipe corrosion protection |
| 06/06/2001 | EP1104528A1 Sleeve joint |
| 05/30/2001 | CN2432168Y Special-purpose plastic bag type plug for casting pipe |
| 05/29/2001 | US6238806 Clad steel pipe |
| 05/25/2001 | WO2001036713A1 Inhibitor compositions |
| 05/23/2001 | CN1296145A Seamless plastics-lined aluminium alloy pipe and making technology thereof |
| 05/23/2001 | CN1295891A Application of epoxy powder in corrosion-resistant technology for buried steel pipe |
| 05/15/2001 | US6231052 Transparent flange protector |
| 05/09/2001 | CN2428967Y Corrosionproof plastic tunnels |
| 05/03/2001 | DE19950998A1 Abgasabführung für Verbrennungsanlagen, insbesondere Abgas-Rohrleitungssystem mit Innen- und Abgasrohr aus Aluminiumlegierung für eine Dachdurchführung Exhaust outlet for combustion plants, especially exhaust pipe system with indoor and exhaust pipe made of aluminum alloy for a roof penetration |
| 05/02/2001 | EP0796409B1 Improvements in or relating to valve or pipe components |
| 05/01/2001 | US6224957 Comprising: a multi-layered polyolefin film comprising a single anti-corrosive layer having a bactericide for killing corrosion-inducing bacteria; contains a biocide, volatile corrosion inhibitors to prevent corrosion |
| 05/01/2001 | US6224710 Curing epoxy resin in contact with hot melt adhesive using cycloaliphatic amine and polyamide amine curing agents |
| 04/25/2001 | EP1094274A1 Combustion apparatus flue gas discharge, in particular system of flue gas pipes for a roof lead-through with internal pipe and flue gas pipe made of aluminium alloy |
| 04/24/2001 | US6220305 Coal tar enamel coated steel pipe and process for same |
| 04/18/2001 | CN1292058A Threaded assembly of metal tubes designed to contain corrosive fluid |
| 04/18/2001 | CN1064732C Indoor gas pipeline repairing and reinforcement method |
| 04/18/2001 | CA2286956A1 Steel-composite pipe apparatus and method of manufacturing same |
| 04/11/2001 | CN1290770A Method for preparing composite pipe with high aluminium devitrified glass lining |
| 04/11/2001 | CN1064298C Improved process and equipment for lining concrete pipes |
| 04/10/2001 | US6214203 Overcoating pipe with sacrificial anode environment barrier |
| 04/10/2001 | US6213214 Pipeline treatment composites |
| 04/04/2001 | CN1289862A Process for prepared anticorrosion and antiwear composite steel pipe with liner of pyroceram |
| 03/28/2001 | CN1288978A Manufacture of anticorrosive and antiwear composite steel pipe with devitrified glass lining |
| 03/27/2001 | US6206103 Solid, self sustaining body including nonylphenol ethoxylate having at least 50 moles of ethylene dioxide per mole of nonylphenol; low solubility, high specific gravity, and high melting point |
| 03/21/2001 | CN1288125A Plastic steel cladded pipe material and manufacturing method therefor |
| 03/14/2001 | EP1082210A1 Laminate |
| 03/14/2001 | EP0879131B1 An extrusion apparatus and method, a tubular product, and a pipe |
| 03/08/2001 | WO2001016516A1 Threaded joint for oil well pipe |
| 02/28/2001 | EP1079165A1 Compression fitting |
| 02/28/2001 | CN2421495Y Automatic device for steel pipe corrosion-resisting by wrapping cloth or painting |
| 02/21/2001 | CN2420481Y Corrosion resistant lining tube |
| 02/08/2001 | WO2001009265A1 Plug using a composition or pre-mixture based on volatile corrosion inhibitors |
| 02/07/2001 | EP1074698A2 A lubricating coating for tubes in gas turbines |
| 02/07/2001 | CN2418332Y Composite tube |
| 02/07/2001 | CN1061750C Vacuum heat-insulation oil pipe and manufacturing technology therefor |
| 02/07/2001 | CN1061592C 管状产品和挤压设备及其方法 Tubular products and extrusion apparatus and method |
| 02/06/2001 | US6183825 Protective material for preventing microbiologically-influenced corrosion in buried conduits |
| 01/31/2001 | EP1071904A1 Flexible protective sleeve |
| 01/31/2001 | CN1282385A Corrosion protected treatment device |
| 01/30/2001 | CA2253225C On-site pipe coating process |
| 01/24/2001 | CN2416333Y Floatable voltage-withstand flexible electrothermal pipes |
| 01/24/2001 | CN1281115A Direct insertion type fully coated pipe of martensite steel |
| 01/18/2001 | DE19933681A1 Pipe system for use on bridges has pattern of ridges and grooves on its internal surface |
| 01/17/2001 | EP0731892B1 Conduit coupling |
| 01/16/2001 | US6174569 Three-layer metal pipe coating compositions and process for the exterior coating or metal pipes by a three-layer method |
| 01/16/2001 | US6174566 Method and apparatus for applying a protective film of, for example, oil to the interior of a metal pipe |
| 01/16/2001 | US6174000 Screw joint for oil well piping |
| 01/11/2001 | WO2001002503A1 Ensulated pipe |
| 01/11/2001 | DE19932053A1 Pipe has component made from abrasion and corrosion resistant material and sleeve made from textile impregnated with resin |
| 01/11/2001 | CA2377767A1 Ensulated pipe |
| 01/10/2001 | EP1066485A1 Composite carbon fibre based armour for flexible pipe |
| 01/10/2001 | EP1066450A2 Threaded assembly of metal tubes designed to contain a corrosive fluid |
| 01/10/2001 | EP0765451B1 Superimposed coverings having increased stability |
| 01/10/2001 | CN2414272Y Multi-function composite pipe |
| 01/09/2001 | US6171132 Cover for cable connectors and the like |
| 01/09/2001 | US6170531 Flexible tubular lining material |
| 12/27/2000 | EP1062456A1 A sheath |
| 12/26/2000 | US6165302 Process for repairing plastic coatings of metal pipes |
| 12/21/2000 | DE10018432A1 Multiple sewer pipe system for parcels of land built on and not built on |
| 12/20/2000 | CN2411407Y Fluidized bed furnace oblique buried pipe |
| 12/20/2000 | CN1277241A Water injecting corrosion inhibitor for oil field |
| 12/20/2000 | CN1277240A Corrosion inhibitor resisting CO2 corrosion for oil field |
| 12/19/2000 | US6161989 Antifouling wall structure for use in pipe and method of constructing the antifouling wall therefor |
| 12/13/2000 | EP1059365A1 Corrosion resistant powder coated metal tube and process for making the same |
| 12/12/2000 | US6158474 Rust-resistant sleeve for use in a branch hole of a water pipeline |
| 12/07/2000 | WO2000073694A1 Heat-insulated steel pipe for deep-sea pipelines and method for producing the same |
| 12/07/2000 | WO2000073693A1 Pipe coating method and apparatus |
| 12/06/2000 | EP1057543A1 Process and paste for making a mantel-like removable protection coating |
| 12/06/2000 | EP1056968A1 Threaded connection for internally clad pipe |
| 12/06/2000 | CN2409406Y Sealer of high-density polyethylene pipe joint as lining of steel pipe |
| 11/29/2000 | CN2408341Y Steel super long enamelled anti-corrosion pipeline |
| 11/29/2000 | CN1274767A Metal carbide coating to prevent hot corrosion of boiler overheater in power station |
| 11/28/2000 | US6152184 Branch pipe liner bag and branch pipe lining method |
| 11/22/2000 | CN2407209Y Steel pipe with flame-resistant insulating internal wall coating |
| 11/21/2000 | US6150040 Made of austenitic stainless steel and having a surface which contacts pure steam, said surface not having been subjected to mechanical surface polishing and being passivated to form a passivation film of high chromium content; nondiscoloring |
| 11/21/2000 | US6149969 On-site pipe coating process |
| 11/02/2000 | EP1047900A1 Method of protecting articles |
| 11/02/2000 | EP1047810A1 Corrosion protected treatment device |
| 10/31/2000 | CA2097091C High pressure water jet cleaner and coating applicator |
| 10/25/2000 | CN2402901Y Composite pipe |
| 10/24/2000 | US6135207 Solid, self-sustaining comprising nonylphenol ethoxylate (50) and a fatty amide of 16-20 carbons; melting point above 75 degrees c. to withstand summer heat; low solubility; treating oil and gas wells; efficiency; high specific gravity to sink |
| 10/24/2000 | US6135160 Multi-wound stainless steel pipe |
| 10/24/2000 | US6135159 Composite conduit for carrying fuel oil |
| 10/19/2000 | WO2000061982A1 Tube clamp insert |
| 10/17/2000 | CA2086178C Multilayer coating, process for its production, and application thereof |
| 10/12/2000 | WO2000060274A1 Method for inhibiting corrosion in the arch of a pipe carrying a multiphase corrosive liquid and a scraper for the implementation of said method |
| 10/12/2000 | WO2000060273A1 Structure and removal method for line pipe lining |
| 10/11/2000 | CN2400673Y Metal pipe having three-layer corrosion- and scaling-preventing coating |