| Patents for F16L 9 - Rigid pipes (18,006) |
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| 05/26/2005 | WO2005046896A2 Continuously manufactured colored metallic products and method of manufacturing of such products |
| 05/26/2005 | US20050109415 Two piece air duct section |
| 05/26/2005 | US20050108960 Polymer concrete pipe |
| 05/26/2005 | CA2733298A1 Aerogel/ptfe composite insulating material |
| 05/26/2005 | CA2488149A1 Polymer concrete pipe |
| 05/25/2005 | EP1533467A2 Multilateral well drilling and completion method and apparatus |
| 05/25/2005 | EP1532406A1 Air duct and an arrangement with an air duct, which has a cross-section with two longer sides and two shorter |
| 05/25/2005 | EP1238226B1 Flexible pipe element |
| 05/25/2005 | DE10349035A1 Rohrleitung und Verfahren zur Herstellung Piping and methods for preparing |
| 05/25/2005 | DE102004019246B3 Pipe system carrying especially gaseous medium has in larger diameter outer pipe a radially extending connecting element formed as closed ring from extruded wire with ends permanently interconnected by welding |
| 05/25/2005 | CN2702143Y Aluminium coated random copolymerization polypropylene pipe |
| 05/25/2005 | CN1620573A Toneable conduit and method of preparing same |
| 05/25/2005 | CN1619201A Bellows with joint unit |
| 05/25/2005 | CN1619200A Structure of pipe jointing part and pipe joint |
| 05/25/2005 | CN1619137A Multi-layer metal high-pressure pipe |
| 05/24/2005 | US6896007 Hydro-dynamic static mixing apparatus and method for use thereof in transporting, conditioning and separating oil sands and the like |
| 05/24/2005 | US6896005 Multi-layer tubing having electrostatic dissipation for handling hydrocarbon fluids |
| 05/24/2005 | US6895652 Duplex pipe end working method |
| 05/21/2005 | CA2487776A1 Two piece air duct section |
| 05/19/2005 | WO2005045294A2 Duct unit for housing service cables, pipes and the like |
| 05/19/2005 | WO2005045144A2 Water-conducting body comprising a coating of a glass-like composite matrix |
| 05/19/2005 | WO2005030483A3 High strength composite material geometry and methods of manufacture |
| 05/19/2005 | US20050106438 Vehicle plumbing to release hydrogen from fluid |
| 05/19/2005 | US20050106347 Interlocked strip structure |
| 05/19/2005 | DE202005003370U1 Device for stiffening the wall of an air duct comprises profile sections whose surfaces contacting the air duct wall are glued to the latter |
| 05/18/2005 | EP1531260A1 Multi-layer metallic high pressure pipe |
| 05/18/2005 | EP1530512A1 Plastics pipe |
| 05/18/2005 | EP1530511A1 Plastics pipe |
| 05/18/2005 | CN2700674Y Double sided color plate combined air conduit |
| 05/18/2005 | CN2700673Y Bi-directional combined type anchoring block |
| 05/18/2005 | CN1618001A Welded multi-chamber tube |
| 05/18/2005 | CN1202366C Carbon fiber graphite tube with high strength, high transmit heat and its production method |
| 05/17/2005 | US6893733 Modified contoured crushable structural members and methods for making the same |
| 05/12/2005 | WO2005042634A1 Polymeric pipes made from blends of polyolefins and vinyl alcohol polymers |
| 05/12/2005 | DE4243115C5 Flexible, vibrationshemmende Leitung mit einem abgeflachten Querschnitt, insbesondere für die Abgasanlage eines Fahrzeugmotors Flexible, vibration-inhibiting pipe with a flattened cross-section, particularly for the exhaust system of a vehicle engine |
| 05/12/2005 | DE202005000055U1 Heat exchanger for transfer of heat from heat source to fluid using pipe enclosing helical flow channels separated from one another by helical ribs projecting inwards from pipe wall |
| 05/11/2005 | CN2699099Y Antiseptic thermal insulation non-metallic tube |
| 05/11/2005 | CN2699098Y Double opening multi-layered plastic water duct with big caliber |
| 05/11/2005 | CN2699097Y Nanometer pipe for conveying fly ash of thermo-electric plant |
| 05/11/2005 | CN1614282A Composite pipe with polymer viscoelastic material |
| 05/11/2005 | CN1614281A Unsized composite pipe and manufacture thereof |
| 05/11/2005 | CN1614280A Multipurpose and multilayer coextruded plastic composite pipe |
| 05/11/2005 | CN1614279A Thermal contracting directional memory polyvinyl chloride pipe and manufacture thereof |
| 05/10/2005 | US6889719 Plastic pipe and manufacturing method therefor |
| 05/10/2005 | US6889716 Fiber reinforced pipe |
| 05/06/2005 | WO2005039862A1 Plugging a hollow profile of a spirally wound pipe |
| 05/06/2005 | CA2543335A1 Plugging a hollow profile of a spirally wound pipe |
| 05/05/2005 | US20050095446 Metal felt laminates |
| 05/04/2005 | CN2697428Y Composite conveying pipe for concrete conveying pump |
| 04/28/2005 | US20050089707 Shaped contoured crushable structural members and methods for making the same |
| 04/28/2005 | US20050089701 Multilayer structure and tank consisting of this structure, which has a barrier layer in direct contact with the fluid contained |
| 04/28/2005 | US20050087249 Pure-water pipe for fuel cell |
| 04/27/2005 | EP1526313A2 Pipeline and pipeline production method |
| 04/27/2005 | CN1610803A Vacuum-insulated pipe |
| 04/27/2005 | CN1199019C Pressurization fluid pipeline |
| 04/26/2005 | US6883549 Conduit for the transport of cyrogenic media |
| 04/21/2005 | US20050085363 Welded multi-chamber tube |
| 04/21/2005 | US20050082051 Heat conduction pipe externally covered with fin member |
| 04/21/2005 | CA2540183A1 Liner wear detection |
| 04/20/2005 | EP1524108A1 Multilayer thermoplastic pipe |
| 04/20/2005 | EP1523636A1 Carbon black-containing crosslinked polyethylene pipe having resistnce to chlorine and hypochlorous acid |
| 04/20/2005 | EP1523292A1 Conduit device |
| 04/20/2005 | CN2694081Y Composite layer air-duct |
| 04/19/2005 | US6881446 Production of endless plastic hollow profiles, in particular tubes, comprises several production stages for the plastic tube and a coating stage for a metal coating. A reduced pressure is provided in the coating stage, whereby the metal |
| 04/19/2005 | US6880220 Method of manufacturing cold worked, high strength seamless CRA PIPE |
| 04/14/2005 | US20050079378 Metal dusting resistant product |
| 04/14/2005 | US20050079309 Duct structural member |
| 04/13/2005 | EP1522436A2 Heating circuit for a motor vehicle |
| 04/13/2005 | EP1521675A2 Sound-absorbing hollow body for an air supply |
| 04/13/2005 | CN2692458Y Under well gas extraction spiral pipe |
| 04/12/2005 | US6878784 Multimodal ethylene polymer has a density of 0.930-0.965 g/cm3 and an MFR5 of 0.2-1.2 g/10 min; Mn of 8000-15000, an Mw of 180-330x103, and an Mw/Mn of 20-35 |
| 04/12/2005 | CA2169432C Synthetic resin corrugated pipe having a concave-convex surface |
| 04/07/2005 | WO2005030483A2 High strength composite material geometry and methods of manufacture |
| 04/07/2005 | DE102004042663A1 Extern mit einem Rippenelement bedecktes Wärmeleitrohr Externally covered with a heat pipe fin member |
| 04/06/2005 | EP1519826A1 Method and device for producing a hollow body by rotation and resulting products |
| 04/06/2005 | CN2690704Y Modified polyurethane foam anti-corrosion thermal insulation pipe |
| 04/06/2005 | CN2690703Y Composite glass fiber reinforced plastic anti corrosion steel pipe |
| 04/06/2005 | CN2690702Y Antibiotic composite plastic pipe |
| 04/06/2005 | CN1604922A Pressure pipes |
| 04/05/2005 | US6876797 Flexible strip shaped layer; textile; mixture of polymer and fireproof agent; extrusion |
| 04/05/2005 | CA2282403C Modular filtration systems and methods |
| 03/31/2005 | WO2005029664A1 Cable trough device |
| 03/31/2005 | WO2004088198A3 Pipeline trench system and method of construction |
| 03/31/2005 | US20050069702 Resinous tube |
| 03/31/2005 | US20050067034 Fluid conduit |
| 03/31/2005 | CA2537302A1 A flexible unbonded pipe and a method for producing such pipe |
| 03/30/2005 | CN2689026Y Air ducts |
| 03/30/2005 | CN2689025Y Lining Plastic metal composite pipes |
| 03/30/2005 | CN2689024Y Foamed polymer air duct with aluminium foil coating |
| 03/30/2005 | CN2689023Y Plastic steel composite pipe with silk net |
| 03/30/2005 | CN2688769Y Reinforced thermosetting resin sanding inclusing jacking pipe with fibre winding |
| 03/30/2005 | CN1600888A Petroleum casing pipe suitable to development of oil field through water injection and producing method |
| 03/30/2005 | CN1600887A High-pressure annular tube for underground gas storage well and producing method |
| 03/30/2005 | CN1600517A Composite type antibacterial water stable nano air conduit |
| 03/30/2005 | CN1195168C Metal skeleton reinforced non-cross-linking refractory polyethylene pipe |
| 03/29/2005 | CA2141590C Petrol supply tube |
| 03/24/2005 | WO2005001795A3 Tubular member and method for identifying same |
| 03/24/2005 | WO2004106793A3 Metal reinforced high density polyethylene pipes |
| 03/24/2005 | WO2004088191A3 Method of manufacturing cold worked, high strength seamless cra pipe |
| 03/24/2005 | WO2004009342A8 Polyolefinic pipe having a chlorinated polyolefinic hollow core |