| Patents for F16L 9 - Rigid pipes (18,006) |
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| 09/11/2013 | CN103292069A Heat-insulating petroleum pipe with in-built double channels |
| 09/11/2013 | CN103292068A Insulation oil pipe with inside and outside reinforcing rib structures |
| 09/11/2013 | CN103292067A Steel frame reinforced type petroleum pipe |
| 09/11/2013 | CN103292066A Novel oil delivery insulating pipe |
| 09/11/2013 | CN103292065A Insulation petroleum pipe with double-layer inner support structure |
| 09/11/2013 | CN103292064A Manufacturing method for steel tubes for supplemental restraint system |
| 09/11/2013 | CN103292063A HDPE (high-density polyethylene) inside-outside-reinforced winding reinforced pipe |
| 09/11/2013 | CN103292062A Fiber reinforced plastic pipeline |
| 09/11/2013 | CN103292061A Wear-proof pipe |
| 09/11/2013 | CN103292060A Graphite pipe and manufacturing method |
| 09/11/2013 | CN103292059A Combined ventilating duct |
| 09/11/2013 | CN103292058A Method for forming titanium and thin-wall stainless steel corrugated pipe |
| 09/11/2013 | CN103292057A Pressure-resistant Teflon tubing |
| 09/11/2013 | CN103292056A Novel steel-lined composite pipe fitting made of polytetrafluoroethylene |
| 09/11/2013 | CN103292055A 复合玻璃钢管 Composite glass pipe |
| 09/11/2013 | CN103292054A Glass steel tube with large inner wall adhesion force, and manufacturing method of glass steel tube |
| 09/11/2013 | CN103292053A Foam duct |
| 09/11/2013 | CN103292052A Foam duct |
| 09/11/2013 | CN103292051A Insulating air hose for thermal deicing |
| 09/11/2013 | CN103292050A Cooling corrugated tube device |
| 09/11/2013 | CN103292049A Petroleum pipe fitting with external protective net |
| 09/11/2013 | CN103290334A Atmosphere corrosion resistance seamless steel tube containing rare earth and production method thereof |
| 09/11/2013 | CN102179128B Pipeline for conveying active parched desulfurization gas and mounting method thereof |
| 09/11/2013 | CN101956142B Dual phase steel seamless pipe and processing method thereof |
| 09/11/2013 | CN101802026B Pipes for transporting water containing chloramine |
| 09/10/2013 | US8528580 Pipes for transporting water containing chloramine |
| 09/04/2013 | CN203176565U Dry room air hose system |
| 09/04/2013 | CN203176564U Energy-saving and environment-friendly double-faced color steel plate composite air pipe |
| 09/04/2013 | CN203176563U Enhancing type spiral continuous welding coating composite steel tube for underground coal mine |
| 09/04/2013 | CN203176562U Improved sewage pipe for kitchen |
| 09/04/2013 | CN203176561U Steel-sleeving-steel steam thermal insulating pipe of 3PE anticorrosion outer protective steel pipe |
| 09/04/2013 | CN203176560U Special type environment-friendly wear-resisting tube and special type environment-friendly wear-resisting tube array |
| 09/04/2013 | CN203176559U Sand blasting glue tube |
| 09/04/2013 | CN203176558U Anti-corrosive transmission pipeline with ceramic inner container |
| 09/04/2013 | CN203176557U Ventilation pipe of modularized connection structure |
| 09/04/2013 | CN103277629A Abrasion resistant cast tube with high temperature oxidation resistant anticorrosive coating |
| 09/04/2013 | CN103277611A Heavy-caliber radiator metal tube assembly and manufacturing technique thereof |
| 09/04/2013 | CN103277596A High-bright composite plastic pipe |
| 09/04/2013 | CN103277595A Double-layer PE gas pipe with termite-proof protective layer |
| 09/04/2013 | CN103277594A High-strength novel plastic pipe fitting |
| 09/04/2013 | CN103277593A Environment-friendly and muting water pipe suitable for both cold water and hot water |
| 09/04/2013 | CN103277592A Novel oxygen-leakage-preventing composite underfloor heating tube |
| 09/04/2013 | CN103277591A Nano-antibacterial hot water pipe |
| 09/04/2013 | CN103277590A Water pipe for discharging sewage underground |
| 09/04/2013 | CN103277589A Double-wall corrugated-pipe flared-head structure |
| 09/04/2013 | CN103277588A Negative pressure pipe used under mine and manufacturing method thereof |
| 09/04/2013 | CN103277587A Abrasion-resistant taper pipe, concrete delivery pipeline and concrete pumping device |
| 09/04/2013 | CN103276308A Rare earth-containing high-strength atmospheric corrosion-resistant seamless steel pipe and production method thereof |
| 09/04/2013 | CN103276247A Nickel-copper alloy seamless tube |
| 09/04/2013 | CN103275483A Method for manufacturing steel frame reinforced nylon pipeline |
| 09/04/2013 | CN103275442A Trenchless modified polyvinyl chloride pipe and preparation method thereof |
| 09/04/2013 | CN103275437A Rigid pipe manufactured by polyvinyl chloride plastics |
| 09/04/2013 | CN103275435A Plastic for calcium plastic pipe |
| 09/04/2013 | CN103275433A Hot water pipe manufactured by polyvinyl chloride plastics |
| 09/04/2013 | CN103275430A Transparent pipe manufactured by polyvinyl chloride plastics |
| 09/04/2013 | CN103275429A Water supply pipe manufactured by polyvinyl-chlorid material |
| 09/04/2013 | CN102537531B Titanium/steel composite pipeline and preparation method thereof |
| 09/03/2013 | US8522829 Microphere-containing insulation |
| 09/03/2013 | US8522828 Insulated double-walled exhaust system component and method of making the same |
| 09/01/2013 | CA2808706A1 Outlet pipe structure of a faucet |
| 08/29/2013 | WO2013125743A1 Connection pipe for v-type double wall pipe |
| 08/29/2013 | US20130221001 Resin-made fuel inlet pipe, and method for producing same |
| 08/29/2013 | US20130220473 System and method for forming of tubular parts |
| 08/29/2013 | US20130220471 As-molded plastic unit cell structures and welded fluid flow assemblies of the unit cell structures |
| 08/29/2013 | US20130220470 Connector with pressure equalization |
| 08/28/2013 | DE202013103631U1 Langlebiges Wickelrohr Durable coiled tubing |
| 08/28/2013 | CN203163573U Integrated steam pipeline |
| 08/28/2013 | CN203162520U High-precision seamless stainless steel coil pipe |
| 08/28/2013 | CN203162438U Anti-corrosive pipeline structure |
| 08/28/2013 | CN203162387U Pipe connector, air conditioner and connecting pipe |
| 08/28/2013 | CN203162372U High pressure steel wire wound rubber hose |
| 08/28/2013 | CN203162371U Wear-resisting carbon plating double sleeve |
| 08/28/2013 | CN203162370U Water drainage pipe with high strength and double flatted surfaces |
| 08/28/2013 | CN203162369U Double-wall hollow spiral hush pipe |
| 08/28/2013 | CN203162368U Novel plastic-steel and low-pressure water pipe |
| 08/28/2013 | CN203162367U Novel plastic-steel winding pipe |
| 08/28/2013 | CN203162366U Plastic corrugated pipeline |
| 08/28/2013 | CN203162365U Corrosion-resistant effect pipe |
| 08/28/2013 | CN203162364U Double-metal pipe |
| 08/28/2013 | CN203162363U PP-R antibacterial light blocking tube |
| 08/28/2013 | CN203162362U Automobile nylon pressure pipe |
| 08/28/2013 | CN203162361U External-thread stainless steel tube |
| 08/28/2013 | CN203162360U Specially-shaped steel pipe for transformer oil transportation support |
| 08/28/2013 | CN203162359U Concrete composite conveying straight pipe |
| 08/28/2013 | CN203162358U Air hose capable of emitting light and shining |
| 08/28/2013 | CN203157706U Oil filling pipe assembly of passenger car |
| 08/28/2013 | CN103267178A Polyethylene composite tube for underground coal mine |
| 08/28/2013 | CN103267177A High-strength glass reinforced plastic sewage pipeline |
| 08/28/2013 | CN103267176A Anti-corrosion, high-temperature-resisting and wear-resisting cast pipe |
| 08/28/2013 | CN102504447B Low-smoke low-halogen flame-retardant threading pipe material and manufacture method |
| 08/28/2013 | CN101749496B Composite belt material structure for reinforcing steel belt |
| 08/27/2013 | US8517059 Blow-molded foam and process for producing the same |
| 08/22/2013 | WO2013120201A1 Pipe, pipe connection and pipeline system |
| 08/22/2013 | US20130213490 Hydrate deposit inhibition with surface-chemical combination |
| 08/21/2013 | CN203147250U Glass reinforced plastic composite ribbed tube |
| 08/21/2013 | CN203147249U Outwardly-circular-but-inwardly-flat oval special-shaped seamless steel pipe |
| 08/21/2013 | CN203147093U High-temperature-resisting plastic pipe |
| 08/21/2013 | CN203147085U Sound-proof drain pipe |
| 08/21/2013 | CN203147084U Large caliber thin-wall stainless steel spiral welded pipe |
| 08/21/2013 | CN203147083U High-strength inner-rib outer-corrugation type plastic pipe |