| Patents for F16L 9 - Rigid pipes (18,006) |
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| 09/30/2009 | CN101545565A Phase-transition energy-storage constant-temperature compound infusion tube |
| 09/30/2009 | CN101545564A Glass faucet |
| 09/30/2009 | CN101545563A Special metal pipe for heat pipes, and manufacturing method thereof |
| 09/30/2009 | CN100545497C Plastic lined steel pipe with end corrosive protection core |
| 09/30/2009 | CN100545496C Carbon fiber pipe |
| 09/30/2009 | CA2718355A1 High pressure connection systems and methods for their manufacture |
| 09/29/2009 | US7595103 Crystalline random butene-ethylene-propylene copolymer; extrusion, injection molding; impact strength |
| 09/29/2009 | CA2435022C Thermoplastic laminate duct |
| 09/24/2009 | WO2009115521A1 Structured wall plastic pipe, process for manufacturing said pipe and particular use of same |
| 09/24/2009 | US20090240236 Reinforced medical tubing |
| 09/24/2009 | US20090239689 Lacrosse stick shaft having a plurality of cavities therein |
| 09/24/2009 | US20090235850 Piping |
| 09/24/2009 | US20090235532 Pipe Cutting And Bevelling Tool |
| 09/24/2009 | DE202009008949U1 Kunststoffrohr mit Innen- oder Aussenprofil Plastic pipe with inner or outer profile |
| 09/23/2009 | CN201314417Y Muffling drainage pipeline used for building |
| 09/23/2009 | CN201314416Y Compound steel pipe with outer wall wound with plastic tape and inner wall sprayed with plastic, as well as process equipment |
| 09/23/2009 | CN101539223A Double-walled plastic pipeline, double-walled plastic pipeline manufacturing method and double-walled plastic pipeline extruding mould |
| 09/23/2009 | CN101539222A Multipurpose HDPE-A tubular product |
| 09/23/2009 | CN101538384A Polyethylene pipe workpiece for water supply |
| 09/22/2009 | US7591286 Duct assemblies for housing service cables, pipes and the like and components thereof |
| 09/22/2009 | CA2565680C Stirling machine with solid annular ring heat exchanger |
| 09/22/2009 | CA2416268C White oil extrusion lubricant |
| 09/17/2009 | US20090229801 Radiator tube dimple pattern |
| 09/17/2009 | DE202008006134U1 Kanalsystem mit Prüfvorrichtung Channel system with tester |
| 09/17/2009 | CA2718193A1 Method for the production of concrete pipes and concrete pipe system |
| 09/16/2009 | EP2101120A1 Duct, panel and joining means for duct for conveying air with antimicrobial properties |
| 09/16/2009 | EP1491827B1 Duct unit for air conditioner |
| 09/16/2009 | CN201310689Y Double layer type internal foaming noise silencing tube |
| 09/16/2009 | CN201310688Y Composite special-shape water supplying and draining pipe |
| 09/16/2009 | CN201310687Y Socket type steel-plastics composite tube with large caliber |
| 09/16/2009 | CN201310686Y Double-wall plastic pipeline |
| 09/16/2009 | CN201310685Y Plastic composite tube |
| 09/16/2009 | CN201310684Y Tungsten-plating alloy seamless-tube mandrel |
| 09/16/2009 | CN201310683Y Zinc alloy liquid conveying pipe |
| 09/16/2009 | CN101532594A Low dropout decompression transfer line |
| 09/16/2009 | CN101532593A Plastic steel winding pipe |
| 09/16/2009 | CN101532592A Environmental protection glass-reinforced plastic pipe and production method thereof |
| 09/16/2009 | CN101532591A UPVC pipe material/element and preparation method thereof |
| 09/16/2009 | CN101532590A Y2O3 and ZrO2 compound ceramic tube and preparation method thereof |
| 09/16/2009 | CN101532589A Flat metal tube |
| 09/16/2009 | CN101531783A Delayed cross-linked type silicane cross-linked polyethylene plastic |
| 09/16/2009 | CN101530907A Clad tube blank of dual metal seamless steel tube used for boiler and manufacturing method thereof |
| 09/16/2009 | CN101530898A Corrosion-resistant dual metal clad tube blank and manufacturing method thereof |
| 09/16/2009 | CN100540970C Plastic wound structure wall faucet pipe |
| 09/15/2009 | US7589162 Polyethylene compositions and pipe made from same |
| 09/15/2009 | CA2510987C Steel tube excellent in exfoliation resistance of scale on inner surface |
| 09/11/2009 | WO2009084987A3 Tubing with an inner coating protecting it against deposits and a method for applying said coating |
| 09/11/2009 | WO2009083937A3 Insulated pipelines and methods of construction and installation thereof |
| 09/10/2009 | US20090224538 Sheet metal corner for duct flanges |
| 09/10/2009 | US20090224537 Brake tube end flare |
| 09/10/2009 | DE102008010384A1 Fügen von funktionalen Mehrschichtrohren Add functional multilayer pipes |
| 09/10/2009 | DE102006013008B4 Schutzmantelrohr und Verfahren zum Herstellen einer Stumpfschweißverbindung derartiger Schutzmantelrohre Protective casing pipe and method for producing a butt weld such protective casing pipes |
| 09/10/2009 | DE102005051487B4 Druckleitungsrohr für Flüssigkeiten Pressure conduit for fluids |
| 09/09/2009 | EP2098769A2 Pipe for hydraulic systems of cars |
| 09/09/2009 | EP1579140A4 Duct fastseam |
| 09/09/2009 | CN201306535Y Plastic-lined composite tube |
| 09/09/2009 | CN201306534Y Novel oxygen insulation and heat resistance polythene tube |
| 09/09/2009 | CN201306533Y Anti-cracking PE foaming composite pipe |
| 09/09/2009 | CN201306532Y Pe-rt composite pipe |
| 09/09/2009 | CN201306531Y Quick rush repair pipe for prestress steel cylinder concrete pipe |
| 09/09/2009 | CN201306530Y Piping tube |
| 09/09/2009 | CN201306529Y Temperature indicating tube |
| 09/09/2009 | CN201306528Y A inflaming retarding heatproof transportation oil and gas pipeline |
| 09/09/2009 | CN101526160A Method for producing heavy-caliber overlength reducing ceramic lining compound steel pipe |
| 09/09/2009 | CN101526159A Super large caliber and non-excavation-use PE pollution discharge tubular product and manufacturing method thereof |
| 09/09/2009 | CN101526158A Hot shrinkage/melt bush and manufacturing method and construction method thereof |
| 09/09/2009 | CN101526157A High-efficiency, short-flow, superhigh-forming-rate and high-temperature alloy seamless pipe integration technology |
| 09/09/2009 | CN100537212C Fluid transfer member |
| 09/08/2009 | US7585130 Leaching chamber with inward flaring sidewall perforations |
| 09/03/2009 | WO2009106888A1 A multi-layered corrugated tubular article |
| 09/03/2009 | US20090220223 Multi-layer piping for conveying and heating a fluid |
| 09/03/2009 | US20090218037 Piping |
| 09/02/2009 | EP2094780A1 Polyolefin composition for pipe systems and sheets |
| 09/02/2009 | CN101523104A Composite reinforced strip windable to form a helical pipe and method therefor |
| 09/02/2009 | CN100535497C Tubing and piping for multiphase flow |
| 09/02/2009 | CN100535496C Corrosion-resistant exterior alloy for composite tubes |
| 09/02/2009 | CN100535495C Double wall pipe |
| 09/02/2009 | CN100535494C Multilayer plastic pipe |
| 09/01/2009 | CA2407863C Duct connecting system having integral transverse flanges |
| 09/01/2009 | CA2372660C Isolated tracer having controlled conductance rate and method of making same |
| 08/27/2009 | WO2009103483A1 Composite pipe having a pipe made of cross-linked polyethylene |
| 08/27/2009 | US20090212092 Method for forming friction welded compression based tubular structures |
| 08/27/2009 | US20090212025 Non-eutectic structure weld joint of copper-aluminum thin wall pipe and its manufacturing method |
| 08/27/2009 | US20090211660 Controlled expansion hose |
| 08/27/2009 | DE102008062704A1 Strangpressrohr für einen Wärmetauscher Extruded tube for a heat exchanger |
| 08/26/2009 | CN201297454Y Composite metal plastic winding pipe |
| 08/26/2009 | CN201297453Y Pre-stressed concrete well pipe |
| 08/26/2009 | CN201297452Y U-shaped corrugated seamless steel pipe |
| 08/26/2009 | CN101517296A Insulated ductwork products |
| 08/26/2009 | CN101517295A Polyethylene composition for pressure pipes with enhanced flexibility |
| 08/26/2009 | CN101517294A Polyethylene composition for pressure pipes with enhanced flexibility |
| 08/26/2009 | CN101514771A Metal plastic composite tube with thermoplastic tube end contact flange |
| 08/26/2009 | CN101514770A Non-digging PE-specialized gas tube |
| 08/26/2009 | CN101514769A Non-digging PE-specialized service tube |
| 08/26/2009 | CN101514768A Novel bimetal compound pipeline with high pressure resistance and high corrosion resistance |
| 08/26/2009 | CN101513771A Composite strip windable to form a helical pipe, composite pipe and method thereof |
| 08/26/2009 | CN101513652A Steel tube and printing plate roller and production process thereof |
| 08/26/2009 | CN100532909C Fiber reinforcement type brittle composite material pipeline coatings, its coating method and pipeline |
| 08/26/2009 | CN100532902C Electrical bushing |
| 08/26/2009 | CN100532404C Vinyl chloride plastic composite pipe of ground temperature radiation heating and refrigeration |