| Patents for F16L 58 - Protection of pipes or pipe fittings against corrosion or incrustation (5,790) |
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| 04/17/2008 | DE102005016030B4 Dämmmaterial Insulation |
| 04/09/2008 | CN201045426Y Oval-shaped oil collecting pipe |
| 04/09/2008 | CN101158436A Nylon coating flange manufacturing method |
| 04/09/2008 | CN101158435A Non patch welding inside lining glass fibre reinforced plastic pipe |
| 04/09/2008 | CN101158434A Oil transferring, gas water conduit inner wall anti-corrosive process process harness maching with the same |
| 04/03/2008 | WO2008038034A1 Coupling assembly and protective ring therefor |
| 04/03/2008 | CA2664737A1 Coupling assembly and protective ring therefor |
| 04/02/2008 | CN201043641Y Single-layer heat-preserving counterbalance pipe with cathode protection device used in oceanography engineering |
| 04/02/2008 | CN101153195A Anticorrosion paint special for polyphenylene sulfide and method of producing polyphenylene sulfide compound steel tube |
| 04/02/2008 | CN100378273C External corrosive-proof coating steel pipe with melt epoxy powder and coatign process thereof |
| 04/01/2008 | CA2422570C Lining ducts |
| 03/27/2008 | DE102006043236A1 System suppressing microorganism growth inside pipework used in paper manufacture, employs sacrificial silver anodes in low-flow regions near pipe fittings |
| 03/26/2008 | CN201041275Y Drinking water conveyor pipe with erosion-proof coating |
| 03/26/2008 | CN201041274Y Conduit on-site overhauling automatic spraying equipment |
| 03/20/2008 | WO2008033028A1 Mechanical fastening device for cathodic protection of an insulated pipeline |
| 03/20/2008 | US20080069645 Method and Apparatus for the Maintenance of Pipelines |
| 03/19/2008 | EP1900782A1 Acid resistant high temperature coating |
| 03/19/2008 | EP1899638A1 Duct connecting piece comprising an internal liner, coating method, and assembly method |
| 03/19/2008 | CN201037584Y Abrasion-proof antiseptic composite tube |
| 03/19/2008 | CN201037583Y Steel pipeline without inner repairing mouth after welding |
| 03/12/2008 | CN201034217Y Novel antiseptic composite steel pipe |
| 03/12/2008 | CN101140042A Corrosion proof structure of pipeline through wall or through ground |
| 03/12/2008 | CN100374624C Method for preventing elution of lead and/or nickel from copper alloy piping material such as valve or pipe joint and copper alloy piping material, and fluid for use in cleaning piping material |
| 03/06/2008 | DE102006052978B3 Metallic pipe joint has inserting sections for connecting metal tubes with polymer casing by thermal joining process, where outside diameter of inserting section is smaller than inside diameter of metal tube |
| 03/05/2008 | CN201032004Y Helical corrugation steel pipe with corrosion protection coating |
| 03/05/2008 | CN201031627Y Anti-corrosive wear resistant oil passageway |
| 03/05/2008 | CN201031182Y Low-power consumption ultrasonic wave descaling and scale-proof device |
| 03/05/2008 | CN100372621C Method for manufacturing copper aluminium composite tubing and copper aluminium tubing produced thereby |
| 02/28/2008 | DE112006001201T5 Verbesserung bei einer mehrschichtigen Verbundleitung Improvement in a multi-layer composite pipe |
| 02/27/2008 | EP1892449A1 Threaded joint for steel pipes |
| 02/27/2008 | EP1891365A1 Apparatus and method for lining conduits |
| 02/27/2008 | CN201028238Y Helical wind pipe for boat |
| 02/27/2008 | CN201028237Y Directly soldering internal corrosion-proof steel pipe |
| 02/27/2008 | CN201028176Y Wire-connecting pipe fitting |
| 02/27/2008 | CN201028173Y Light helical reinforced polymer steel-plastic drawing out methane pipe |
| 02/27/2008 | CN201028165Y Polymer steel-plastic compound manometer tube used in coal mine well |
| 02/27/2008 | CN201028159Y Anti-corrosion thermal insulation pipeline |
| 02/27/2008 | CN101133183A Method and system for coating sections of internal surfaces |
| 02/27/2008 | CN100371404C Wax deposition resistant coating for oil pipeline |
| 02/26/2008 | US7334820 Concrete pipe with a corrosion-resistant inner lining |
| 02/21/2008 | WO2008020812A1 System for improved powder coating of duct fittings and process for same |
| 02/21/2008 | WO2008019946A1 Use of a shaped part made of a polyamide shaped component as an inliner for a conduit |
| 02/20/2008 | CN100370172C High-rigidity anti-corrosion coating for pipe and application method thereof |
| 02/13/2008 | CN101122358A Steel pipe for electrophoresis and its electrophoretic painting method and whole set apparatus |
| 02/12/2008 | US7328590 Corrosion resistant evaporative coil for refrigeration system |
| 02/06/2008 | CN201016427Y Spigot-and-socket structure for sulfur dioxide flue gas conduit and tower equipment interfaces |
| 02/06/2008 | CN201016425Y Aluminum alloy surface ceramic collecting breeching and component parts |
| 02/05/2008 | CA2443528C Threaded joint for steel pipe |
| 01/30/2008 | EP1882874A1 Threaded joint for oil well pipe |
| 01/30/2008 | CN201014139Y Anode patching device in pipeline |
| 01/30/2008 | CN201014118Y Pipeline connecting component for steel pipe of lining plastic |
| 01/30/2008 | CN101115789A High temperature liner |
| 01/30/2008 | CN101113800A Fiber reinforcement type brittlement radical compound material pipeline coatings, its coating method and pipeline |
| 01/24/2008 | US20080017264 Method and device for the protection of a pipe portion |
| 01/23/2008 | CN100363679C Producing equipment and method for inorganic material composite coating steel pipeline |
| 01/17/2008 | US20080014812 Buoyancy Control Systems for Tubes |
| 01/16/2008 | CN101107094A A method and a sleeve for joining two components |
| 01/16/2008 | CN101105257A Steel jacket composite pipe |
| 01/09/2008 | CN201003661Y Copper aluminum pipe connecting equipment for welding |
| 01/09/2008 | CN101101081A Hot shrinkage bushing for copper-aluminum pipe for air conditioner |
| 01/08/2008 | US7317321 Methods and systems for automated pipeline testing |
| 01/03/2008 | WO2007121223A3 Protective girth-weld cover with air release |
| 01/02/2008 | CN200999927Y Plastic-blasting pipe special for coal mine |
| 01/02/2008 | CN101097036A Technique for jet printing long term anti-corrosive paint on cable bridge rack |
| 01/02/2008 | CN101096566A Preparation method of steel pipe anticorrosion paint |
| 01/02/2008 | CN100359235C Three-layer cold-tape hot-winding corrosion preventing technology for steel pipe |
| 12/26/2007 | CN200996529Y Water pipe with self-cleaning function |
| 12/26/2007 | CN101093044A Structure of corrosion resistant tube wall |
| 12/19/2007 | CN200993270Y Steel-plastic composite pipe |
| 12/13/2007 | WO2007141194A1 In-line measuring device having a measuring tube which is lined with polyurethane on the inside, and method for producing it |
| 12/13/2007 | WO2007121216A3 Protective cover system and method for girth-welds |
| 12/12/2007 | CN200989496Y Colour steel silencing blast pipe |
| 12/12/2007 | CN101086309A Electric melting plastic pipe for liner pipe branch part and its mounting method |
| 12/11/2007 | US7306693 Lining ducts |
| 12/06/2007 | WO2007137764A1 Coated pipe comprising polyolefin layer with enhanced adhesion |
| 12/06/2007 | DE202007012200U1 Rohrstrang für eine Unterwasserverlegung Tubular string for Submarine Cables |
| 12/05/2007 | EP1620651A4 Microfluidic devices and methods |
| 12/05/2007 | CN200986082Y Steel pipe anti-corrosive winding tape |
| 12/05/2007 | CN200986081Y Fiberglas enhanced type stator |
| 12/05/2007 | CN200986078Y Steel and plastic composite steel tube having anti-corrosive joint terminal port |
| 11/28/2007 | EP1859926A1 Coated pipe comprising polyolefin layer with enhanced adhesion |
| 11/28/2007 | CN200982507Y Combined repaired mouth ring of metal pipe inner coating |
| 11/28/2007 | CN100351511C Fuel piping |
| 11/23/2007 | CA2588729A1 Pipeline lining method |
| 11/21/2007 | EP1856304A2 Method and system for coating sections of internal surfaces |
| 11/21/2007 | CN200979036Y Compound tube without dewing |
| 11/21/2007 | CN200979035Y Steel pipe resisting marine environment erosion |
| 11/21/2007 | CN101074751A Concrete-weighed submarine petroleum pipe and its manufacture |
| 11/21/2007 | CN101074344A Friction-reducing agent for natural-gas transfer pipeline and its production |
| 11/21/2007 | CN101074342A Hydrogen-sulfide-corrosion-resisting oil pipe coating and its production |
| 11/21/2007 | CN101074338A Acid-alkali-corrosive-resisting oil-pipe coating and its production |
| 11/17/2007 | CA2547156A1 Abrasion resistant liner for slurry pipelines |
| 11/14/2007 | CN200975584Y Steel tube 3PE anti-corrosive patching coating machine |
| 11/14/2007 | CN200975566Y Copper aluminum composite adapter connector used for air-conditioner |
| 11/14/2007 | CN200975253Y Exploratory boring rubber-pipe |
| 11/14/2007 | CN100348678C Black polyethylene anticorrosion adhesive for buried steel pipeline |
| 11/07/2007 | EP1851032A1 Method for manufacturing coated pipes |
| 11/07/2007 | CN200972019Y Double-lay metal corrugated pipe |
| 11/07/2007 | CN101067065A Pipeline paint resisting corrosion of sulfate reducing bacteria and its production process |
| 10/31/2007 | CN200968473Y Metal pipes inner cavity protecting equipment |