| Patents for F16L 9 - Rigid pipes (18,006) |
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| 03/13/2013 | CN102966801A Method for preparing high-strength heat-resistant and cold-resistant modified polypropylene pipe |
| 03/13/2013 | CN102964757A PVC (Polyvinyl Chloride) tube easy to process |
| 03/13/2013 | CN102964741A Modified PVC (Polyvinyl Chloride) tubular product |
| 03/13/2013 | CN102964739A Low-temperature preparation process for PVC pipes |
| 03/13/2013 | CN102964738A Wear-resistant synthetic PVC (Polyvinyl Chloride) tube |
| 03/13/2013 | CN102964733A Environment-friendly biodegradable PVC (Polyvinyl Chloride) tubular product |
| 03/13/2013 | CN102964732A Novel flame-retardant PVC (Polyvinyl Chloride) tube formula |
| 03/13/2013 | CN102964731A High-strength PVC (Polyvinyl Chloride) pipe |
| 03/13/2013 | CN102964729A Heat-resistant and high pressure-resistant PVC (Polyvinyl Chloride) tube |
| 03/13/2013 | CN102964728A High anti-impact PVC (Polyvinyl Chloride) pipe |
| 03/13/2013 | CN102964721A Chlorinated polyvinyl chloride tubular product |
| 03/13/2013 | CN102964714A Scraping and wear-resistant impact-resistant polyvinyl chloride tube material and preparation method |
| 03/13/2013 | CN102964662A Double-wall corrugated pipe manufactured by modifying waste HDPE (High-Density Polyethylene) regenerated plastics with LLDPE (Linear Low Density Polyethylene) and manufacturing method thereof |
| 03/13/2013 | CN102964659A Multifunctional polyethylene and stainless steel composite pipe |
| 03/13/2013 | CN102199736B High-strength and anti-CO2/H2S corrosion seamless gathering-line pipe |
| 03/13/2013 | CN102115565B Polyvinyl chloride (PVC) tubular product |
| 03/13/2013 | CN101551043B Connection structure of waveform plastic conduit, a waveform plastic conduit used by the connection structure and manufacture method thereof |
| 03/12/2013 | US8394475 Industrial polyolefin piping system |
| 03/12/2013 | US8394473 Metal-coated polymer article of high durability and vacuum and/or pressure integrity |
| 03/08/2013 | CA2783463A1 Plastic pipe, pipe system and aircraft comprising a pipe system |
| 03/07/2013 | WO2013033465A1 Multilayer protective liner |
| 03/07/2013 | WO2013030621A1 Pipe and method therefor |
| 03/07/2013 | WO2013030599A1 A connector arrangement for a subsea pipeline |
| 03/07/2013 | WO2013029950A1 Supply system for a liquid |
| 03/07/2013 | WO2013029699A1 Polypropylene blend for pipes |
| 03/07/2013 | US20130056109 Resin-made inlet pipe and method of producing the pipe |
| 03/07/2013 | US20130056108 Method of Producing a Composite Pipe and Such a Composite Pipe |
| 03/07/2013 | US20130055778 Method for forming, by means of a hydroforming process, a tubular element as well as a device suitable for carrying out such a method, and a tubular element |
| 03/07/2013 | CA2847165A1 Multilayer protective liner |
| 03/07/2013 | CA2846458A1 A connector arrangement for a subsea pipeline |
| 03/06/2013 | EP2565412A1 Supply system for a liquid |
| 03/06/2013 | CN202769090U Quick-mounted insertion type ventilation duct |
| 03/06/2013 | CN202769089U Plastic concrete composite reinforced pipeline |
| 03/06/2013 | CN202769088U Glass fiber reinforced plastic corrugated pipe |
| 03/06/2013 | CN202769087U Steel wire reinforced glass reinforced plastic composite material pipeline |
| 03/06/2013 | CN202769086U Calcium plastic composite polypropylene random copolymer (PPR) pipe |
| 03/06/2013 | CN202769085U Embedded prestress steel cylinder concrete tube with long service life and multilayer anticorrosion treatment |
| 03/06/2013 | CN202769084U Polypropylene fire-fighting spraying pipe |
| 03/06/2013 | CN202769083U Ultra-high molecular weight fiber polyethylene pipeline |
| 03/06/2013 | CN202769082U Reinforcing pipe provided with inner rib |
| 03/06/2013 | CN202769081U Pipe |
| 03/06/2013 | CN202759909U Air hose opening structure achieving even air supplying |
| 03/06/2013 | CN102954293A Small-size medium-high-temperature aluminum alloy and PVC (Polyvinyl Chloride) compound heat-insulating tube |
| 03/06/2013 | CN102954292A Polyvinyl chloride (PVC) pipe capable of preventing inside scaling |
| 03/06/2013 | CN102954291A Heat-conduction type ground source heat pump tubing |
| 03/06/2013 | CN102954290A Reinforced PVC (polyvinyl chloride) tube |
| 03/06/2013 | CN102954289A Wear-resistant improved polyvinyl chloride (PVC) pipe |
| 03/06/2013 | CN102954288A Dirt-resistant non-sticky-dust polyvinyl chloride (PVC) pipe |
| 03/06/2013 | CN102954287A Straight pipe for connection |
| 03/06/2013 | CN102952355A Polyvinyl chloride pipe resistant to heat, oil, acid and alkali and method for preparing same |
| 03/05/2013 | US8389089 Propylene polymer pipes for pipelines |
| 03/05/2013 | CA2533844C Apparatus and method for creating a vortex flow |
| 02/28/2013 | WO2013027181A2 Method for attenuating noise produced by pipes and pipe arrangement |
| 02/28/2013 | WO2013026335A1 Tube with tube wall being of enhanced thermoplastic composite structure, strip, and complete-set production apparatus thereof |
| 02/28/2013 | WO2013026298A1 Tube material and strip material of wall tube with reinforced thermoplastic composite structure, and complete production equipment thereof |
| 02/28/2013 | WO2013026296A1 Tube material and strip material of wall tube with reinforced thermoplastic composite structure, and complete production equipment thereof |
| 02/28/2013 | US20130048138 Multi-ribbed geoxtextile tubes and segments thereof |
| 02/28/2013 | US20130048137 Process for producing insulated pipes having improved properties |
| 02/28/2013 | US20130048135 Fluid transfer assembly |
| 02/28/2013 | US20130048134 Stagnant Fuel Thermal Insulation System |
| 02/28/2013 | DE102009023289B4 Kunststoffrohr Plastic pipe |
| 02/27/2013 | EP2562215A1 Polypropylene blend for pipes |
| 02/27/2013 | CN202756782U Metal and polypropylene random (PPR) composite pipe |
| 02/27/2013 | CN202756781U Metal and poly ethylene (PE) composite pipe |
| 02/27/2013 | CN202756780U Compound steel pipe with outer reinforced resins coating and inner epoxy resins coating for underground coal mine |
| 02/27/2013 | CN202756779U Corrosion resistant three-layer co-extrusion plastic pipeline |
| 02/27/2013 | CN102947634A Multilayer plastic pipe for water supply and heating systems |
| 02/27/2013 | CN102947116A Oil feed pipe and process for producing same |
| 02/27/2013 | CN102943935A Epoxy resin impregnation glass fiber tape continuous enhancing composite tube and preparation method thereof |
| 02/27/2013 | CN102943934A Composite nanometer aerogel anti-corrosion insulation oil tube |
| 02/27/2013 | CN102942763A Preparation method of tensile compressive high temperature resistant modified polypropylene power pipe |
| 02/27/2013 | CN102942746A Chlorinated polyethylene rubber composition used for preparation of intercooler air outlet rubber pipe |
| 02/27/2013 | CN102942732A Composite pipe and method for manufacturing same |
| 02/27/2013 | CN102313084B Three-layer noise reduction drainage pipe and manufacture method thereof |
| 02/27/2013 | CN102252138B Glass fiber reinforced polyolefin tube and preparation method and application thereof |
| 02/26/2013 | US8383218 improved layer adhesion and the resistance to chemicals, permeation as well as resistance to elution; adding polyamide elastomer to the polyamide molding material provided for the outer layer, in particular if the polyamide elastomer is not mixable with the polyamide |
| 02/26/2013 | US8383199 Process for lining the interior surface of a metal pipe for conveying oil |
| 02/26/2013 | US8382936 Aqueous biopolymer-containing labeling adhesive |
| 02/26/2013 | CA2711468C High pressure pipe liner coupling assembly and method |
| 02/26/2013 | CA2519011C Helical piping |
| 02/21/2013 | US20130042613 Ocean thermal energy conversion power plant cold water pipe connection |
| 02/20/2013 | EP2558761A1 Line for transporting a fluid containing a hydrocarbon, and method for producing such a line |
| 02/20/2013 | EP2558286A1 Flexible tube having high temperature resistance |
| 02/20/2013 | EP2558285A1 Flexible pipe having a diffusion barrier |
| 02/20/2013 | EP2558274A1 Line for transporting a fluid containing a hydrocarbon, and method for producing such a line |
| 02/20/2013 | CN202746800U Winding double-wall pipe |
| 02/20/2013 | CN202746799U Epoxy resin coat composite steel tube for underground coal mine |
| 02/20/2013 | CN202746798U Fiber resin composite reinforcing polyethylene (PE) pipe |
| 02/20/2013 | CN202746797U Reinforced concrete pipe provided with double rubber ring steel spigot joint |
| 02/20/2013 | CN202746796U Water supply plastic-lined composite galvanized steel pipe |
| 02/20/2013 | CN202746795U Water supply plastic-coated composite steel pipe |
| 02/20/2013 | CN202746794U Composite type wear-resistant tube |
| 02/20/2013 | CN202746793U Steel tube with solvent-free epoxy inner ant-dragging anticorrosion coating |
| 02/20/2013 | CN202746792U Pipeline with compound heat-preservation mouth repairing structure in permafrost region |
| 02/20/2013 | CN202746791U Energy-saving ground source heat pump pipe |
| 02/20/2013 | CN202746790U Hot air pipe |
| 02/20/2013 | CN202738636U Simple and convenient aquatic product temporary-culturing water discharge pipe |
| 02/20/2013 | CN102936362A RHDPE particles used in pipe material, and preparation method thereof |
| 02/20/2013 | CN101802081B Pipes for transporting water containing chlorine dioxide |
| 02/14/2013 | US20130040087 Resin composition, molded article, multilayered pipe and method for producing the same |