| Patents for F16L 9 - Rigid pipes (18,006) |
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| 02/17/2010 | CN201407429Y High-temperature and abrasion resistant composited pipe |
| 02/17/2010 | CN201407428Y Paper water pipe |
| 02/17/2010 | CN201407427Y Composite corrosion-resistant reinforced concrete drainage connecting pipe |
| 02/17/2010 | CN201407426Y Double-wall corrugated pipe with strengthening ribs |
| 02/17/2010 | CN201407425Y Composite corrosion-resistant reinforced concrete drainage pipe |
| 02/17/2010 | CN201407424Y Common plate type flange air tube |
| 02/17/2010 | CN201407423Y Double-metal composite bend pipe with both metallurgical bonding ends and mechanical bonding middle part |
| 02/17/2010 | CN101649932A Double-layer composite random copolymerization polypropylene antibacterial water feed pipe |
| 02/17/2010 | CN101649931A Modular cast iron tube of self-anchoring joint and baffle ring for installation |
| 02/16/2010 | CA2696937A1 Methods and systems for re-metallizing weld area in steel electrical conduit |
| 02/14/2010 | CA2675784A1 Insulated double-walled well completion tubing for high temperature use |
| 02/11/2010 | WO2010015975A1 A pipe with integral male and female ends, a joint made using the same pipe, and processes of making the pipe and the joint |
| 02/11/2010 | WO2009139974A3 Pressure cast concrete or mortar lined steel pipes and methods of making the same |
| 02/11/2010 | US20100035006 Making an elongated product |
| 02/11/2010 | US20100032048 Electric resistance welded steel pipe with excellent weld toughness for line pipe |
| 02/11/2010 | US20100032046 Method of forming corrugated pipe with a pipe spigot seal seat |
| 02/11/2010 | US20100032042 Duct Optimization to Prevent Freezing |
| 02/11/2010 | US20100031905 Exhaust System for an Internal Combustion Engine |
| 02/11/2010 | DE202008008880U1 Schnell montierbare Rohrverbindung Fast-mounted pipe connection |
| 02/10/2010 | CN201401566Y Novel tap-water pipe |
| 02/10/2010 | CN201401565Y Energy-saving tube |
| 02/10/2010 | CN201401564Y Single-wall corrugated pipe |
| 02/10/2010 | CN201401563Y Thin-walled stainless steel pre-buried pipe for water tank and pool |
| 02/10/2010 | CN201401562Y Inblock cast ring-added bent pipe for concrete transportation |
| 02/10/2010 | CN201401561Y Galvanized tube |
| 02/10/2010 | CN201401560Y High temperature-resistant compound tube |
| 02/10/2010 | CN201401558Y Thin-walled stainless steel pre-buried pipe for water tank and pool |
| 02/10/2010 | CN101644360A Antibacterial oxygen obstructing composite pipe and preparation method thereof |
| 02/10/2010 | CN101644359A Self-flanged steel mesh-reinforced plastic pressure pipe and manufacturing method thereof |
| 02/10/2010 | CN101644358A Novel energy-saving pouring gate pipe |
| 02/09/2010 | CA2566370C Corrosion-resistant exterior alloy for composite tubes |
| 02/04/2010 | US20100024911 Cryogenic transfer hose having a fibrous insulating layer and method of constructing such a transfer hose |
| 02/03/2010 | CN201396557Y Ceramic composite steel pipe |
| 02/03/2010 | CN201396528Y Hollow composite muffling pipe |
| 02/03/2010 | CN201396527Y Multi-composite steel pipe |
| 02/03/2010 | CN201396526Y PE/PP pipe with antibacterial function |
| 02/03/2010 | CN201396525Y Composite corrugated water pipe with guide layer |
| 02/03/2010 | CN201396524Y Composite steel pipe with high-intensity hollow helical stirrup structure |
| 02/03/2010 | CN201396523Y Pipe fitting made of saddle-shaped seamless pipe |
| 02/03/2010 | CN201396522Y Liner plastic composite steel pipe |
| 02/03/2010 | CN201396521Y Polyurethane composite steel pipe |
| 02/03/2010 | CN201396520Y Weldless taper pipe |
| 02/03/2010 | CN201395528Y Water pipe with germproof function |
| 02/03/2010 | CN101639140A Conduit for guiding a medium |
| 02/03/2010 | CN101639139A Prestress thin wall high-pressure steel pipe |
| 01/28/2010 | WO2010009559A1 High temperature resistant insulation for pipe |
| 01/28/2010 | US20100018711 Tear Cord For Jacketed Tube |
| 01/28/2010 | US20100018673 Enclosure type inter-piping fluid thermal energy transfer device |
| 01/28/2010 | US20100018601 Composite insulation structure for the insulation of the interior surface of annular ducts |
| 01/28/2010 | US20100018599 Double wall duct system |
| 01/28/2010 | DE202009012060U1 Leitungssystem zum Transport einer Flüssigkeit Line system for transporting a liquid |
| 01/28/2010 | DE102007051436B4 Verbindungssystem für doppelwandige Rohre Connection system for double-walled tubes |
| 01/28/2010 | CA2731153A1 High temperature resistant insulation for pipe |
| 01/27/2010 | CN201391687Y Universal steel-plastic pipe fitting |
| 01/27/2010 | CN201391686Y Tapered tube |
| 01/27/2010 | CN201391685Y Fiberglass reinforced polypropylene random copolymer composite pipe |
| 01/27/2010 | CN101636613A Corrugated stainless steel tubing with smooth bore |
| 01/27/2010 | CN101634377A Antibacterial pe pipe |
| 01/27/2010 | CN101634376A Compound air duct and method thereof |
| 01/27/2010 | CN100585316C Method for making oil cold tube |
| 01/27/2010 | CN100585247C Ceramic composite pipe for conveying power plant flue gas desulfurization slurry |
| 01/26/2010 | CA2594849C Integrated piping plate |
| 01/26/2010 | CA2435027C Preforming thermoplastic ducts |
| 01/21/2010 | WO2010008964A1 Polyethylene compositions |
| 01/21/2010 | WO2010008025A1 Process for production of steel tube having polyolefin-coated inside surface |
| 01/21/2010 | WO2010007284A2 Silicone elastomer product exhibiting a biocidal activity |
| 01/21/2010 | US20100015564 High performance coatings and surfaces to mitigate corrosion and fouling in fired heater tubes |
| 01/21/2010 | US20100012217 Embedded metallic tubes with compression fit and method for manufacturing the same |
| 01/21/2010 | DE102008033577A1 Faserverstärktes Kunststoffrohr Fiber reinforced plastic pipe |
| 01/21/2010 | DE102008033301A1 Pipeline for guiding of e.g. liquefied hydrogen, has phase separation unit for separation of two phase mixtures occurring in pipeline and serving as insert attached within pipeline, where separation unit is shifted in movement at axis |
| 01/21/2010 | DE102004011584B4 Entkoppelelement zum Verbinden von Rohrleitungen für Abgasanlagen Decoupling element for connecting pipes for exhaust systems |
| 01/21/2010 | CA2728129A1 Polyethylene compositions |
| 01/20/2010 | EP2146127A2 Rehabilitating pipe segment and existing pipe rehabilitation method using same |
| 01/20/2010 | EP2146126A1 Method for manufacturing a helically wound pipe |
| 01/20/2010 | EP2145922A1 HDPE resins for use in pressure pipe and related applications |
| 01/20/2010 | EP2145601A2 Helical stent |
| 01/20/2010 | CN201386886Y Polytypic combined heat insulation pipe |
| 01/20/2010 | CN201386870Y Double-planomural spiral plastic drain pipe |
| 01/20/2010 | CN201386869Y Reinforced concrete pipe with flexible female and male end |
| 01/20/2010 | CN201386868Y Large diameter rubber hose |
| 01/20/2010 | CN201386867Y Prestressed concrete oil-natural gas pipe |
| 01/20/2010 | CN201386866Y Composite steel pipe with outer polyethylene layer and inner epoxy resin layer |
| 01/20/2010 | CN201386865Y Braiding reinforced composite pipe |
| 01/20/2010 | CN201386864Y Plastic pipe fitting with internal and external threads |
| 01/20/2010 | CN201386863Y Fluid-transferring pipe connected by welding |
| 01/20/2010 | CN101629656A Underground polyvinyl chloride tubing for coal mines |
| 01/19/2010 | US7647948 Composite spoolable tube |
| 01/19/2010 | US7647947 Casing spacer |
| 01/17/2010 | CA2671586A1 Rehabilitating pipe segment and existing pipe rehabilitation method using same |
| 01/14/2010 | WO2009109950A3 Insulated pipelines and methods of construction and installation thereof |
| 01/14/2010 | US20100007135 Fiberglass Pipe-shaped Insulator and Method of Manufacturing the Same |
| 01/14/2010 | US20100006545 Welding of Pipeline to Enhance Strain Performance |
| 01/14/2010 | US20100006172 Internal diameter coatings for fire protection piping |
| 01/14/2010 | DE102008037740B3 Fluidleitung Fluid line |
| 01/13/2010 | EP2142839A1 Offloading pipeline |
| 01/13/2010 | CN201382244Y Hot-cold water pipe |
| 01/13/2010 | CN201382214Y FRPM pipe |
| 01/13/2010 | CN201382213Y Tramping preventing stainless steel heat preservation casing pipe |
| 01/13/2010 | CN201382212Y Novel ocean platform oil extraction pipeline |
| 01/13/2010 | CN201382211Y Plastic forming composite pipe unit |