| Patents for F16L 9 - Rigid pipes (18,006) |
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| 08/01/2012 | CN202360918U Steel rib reinforced plastic hollow-wall twined pipe and formed strip thereof |
| 08/01/2012 | CN202360917U Steel strip compounded polyethylene wound pipe |
| 08/01/2012 | CN202360916U Superhigh molecular weight polyethylene steel wear-resisting composite pipe |
| 08/01/2012 | CN202360915U PVC (polyvinyl chloride) reinforcing rib tube |
| 08/01/2012 | CN202360914U PVC (Poly Vinyl Chloride) gridding rib pipe |
| 08/01/2012 | CN202360913U Polyvinyl chloride coating pipe fitting and pipe material for underground coal mine |
| 08/01/2012 | CN202360912U Reinforced composite tube wound by continuous fiber preimpregnation belts |
| 08/01/2012 | CN202360911U Three-wall reinforcing pipe material |
| 08/01/2012 | CN202360910U All stainless steel quick plug type anti-fatigue connecting pipe of connecting part in vehicle |
| 08/01/2012 | CN202360909U Water channel pipe |
| 08/01/2012 | CN202360908U Gas steel pipe |
| 08/01/2012 | CN102620068A Coil pipe |
| 08/01/2012 | CN102620067A Bidirectional bell and spigot clad pipe based on enhanced steel skeleton and process for producing clad pipe |
| 08/01/2012 | CN102620066A Double composite plastic steel composite pipe and manufacture method thereof |
| 08/01/2012 | CN102620065A Anti-corrosion counterweight pipe capable of preventing counterweight layer from shedding and method for manufacturing anti-corrosion counterweight pipe |
| 08/01/2012 | CN102620064A Full steel framework enhanced plug type composite pipe and manufacture technology thereof |
| 08/01/2012 | CN102620063A Metal pipeline |
| 08/01/2012 | CN102620062A Method for manufacturing low-carbon resisto seamless stainless steel tubes |
| 08/01/2012 | CN102618022A Double-resistance nylon tube and preparation method thereof |
| 08/01/2012 | CN102617941A Ethylene propylene diene monomer and ethylene-vinyl acetate blending composite and application |
| 08/01/2012 | CN102617911A Reclaimed high-density polyethylene/polypropylene composite material prepared through reaction extruding |
| 08/01/2012 | CN102278543B Compressed natural gas pipe and manufacture method thereof |
| 08/01/2012 | CN101737572B Novel high-temperature resistant double-layer air pipe |
| 08/01/2012 | CN101553681B Aircraft conduit |
| 08/01/2012 | CN101402769B Method for producing toughened modified polyvinyl chloride |
| 07/31/2012 | US8231445 Apparatus and method for providing detonation damage resistance in ductwork |
| 07/26/2012 | US20120186833 Flame resistant fiberglass insulation, products, and methods |
| 07/26/2012 | US20120186686 Coiled tube with varying mechanical properties for superior performance and methods to produce the same by a continuous heat treatment |
| 07/26/2012 | US20120186685 High Altitude structures and related methods |
| 07/25/2012 | EP2479317A1 Steel sheet used to manufacture pipe and having corrosion-resistant properties against fuel vapors, and pipe and fuel supply pipe that use same |
| 07/25/2012 | CN202349412U Air conditioner connection piping |
| 07/25/2012 | CN202349411U 加强型水管 Reinforced pipes |
| 07/25/2012 | CN202349410U Plastic, concrete and fiber composite pipe with reinforcing rib |
| 07/25/2012 | CN202349409U Reinforced thermoplastic composite structured wall tube |
| 07/25/2012 | CN202349408U Enhancing thermoplastic composite structure wall tube |
| 07/25/2012 | CN202349407U Multilayer composite pipe |
| 07/25/2012 | CN202349406U Multilayer plastic tube |
| 07/25/2012 | CN202349405U Visible tube |
| 07/25/2012 | CN202349404U Bi-metal composite pipe with end parts being with external threads |
| 07/25/2012 | CN202349403U Detachable drain pipe |
| 07/25/2012 | CN202349402U Composite flow guiding feed pipe |
| 07/25/2012 | CN102606813A Hollow-wall steel-plastic composite winding pipe and manufacturing method thereof |
| 07/25/2012 | CN102606812A Steel-plastic composite pressure pipe |
| 07/25/2012 | CN102606811A Refrigerant line and corresponding configurated vehicle air-conditioning system |
| 07/25/2012 | CN102606810A Manufacture method of low carbon nickel chrome molybdenum niobium alloy stainless steel seamless steel tube |
| 07/25/2012 | CN102606809A Half steel frame reinforcing type socket-and-spigot composite pipe and manufacture process thereof |
| 07/25/2012 | CN102604266A Production method of PVC (Poly Vinyl Chloride) tubular product for enhancing heat stability in production process |
| 07/25/2012 | CN102604233A Plastic pipe made of polypropylene random copolymer (PPR) and color masterbatch |
| 07/25/2012 | CN102604077A Formula of modified MC (monomer casting) nylon composite and preparation method for same |
| 07/25/2012 | CN102182875B Non-adhesive pultruded composite tube |
| 07/25/2012 | CN102002191B PPR/EVOH/POE (Pentatricopeptide Repeats/Ethylene-Vinyl Alcohol/Polyolefin Elastomer) blending high-impact barrier pipe and manufacturing method thereof |
| 07/25/2012 | CN101943298B Vacuum composite delivery pipe and connecting structure |
| 07/25/2012 | CA2765294A1 Coiled tube with varying mechanical properties for superior performance and methods to produce the same by a continuous heat treatment |
| 07/24/2012 | US8226704 Helical stent |
| 07/24/2012 | US8226327 Method for laying a pipeline having an inner corrosion proof cladding |
| 07/24/2012 | CA2695842C Fire-resistant piping material |
| 07/24/2012 | CA2558103C A peroxide crosslinked ethylene polymer pressure pipe and a method for the preparation thereof |
| 07/19/2012 | WO2012068244A3 Composite tube and method therefor |
| 07/19/2012 | US20120180897 Refrigerant line |
| 07/19/2012 | DE102011008573A1 Betriebsstoffleitung für Kraftfahrzeuge mit Faserverbundschicht Fuel line for motor vehicles with fiber composite layer |
| 07/18/2012 | EP2477289A1 Cable conduit |
| 07/18/2012 | EP2475820A1 Coated paperboard core for elastomeric fiber production |
| 07/18/2012 | CN202338705U Submarine pipeline with no-foaming polyurethane compounding insulating layer |
| 07/18/2012 | CN202338704U 一种热熔缠绕塑料管件 A hot melt wrapping plastic pipe fittings |
| 07/18/2012 | CN202338703U 一种耐正、负压钢丝网骨架塑料管材 One kind of resistance to positive and negative pressure steel mesh skeleton plastic pipe |
| 07/18/2012 | CN202338702U 保温阻氧抗菌高抗冲聚丙烯管材 Insulation oxygen barrier antibacterial high-impact polypropylene pipes |
| 07/18/2012 | CN202338701U 一种不锈钢波纹管 One kind of stainless steel bellows |
| 07/18/2012 | CN202338700U 一种高性能内防腐复合管材 A high-performance anti-corrosion composite pipe |
| 07/18/2012 | CN1894534B Coated pipes for conveying oil |
| 07/18/2012 | CN102597370A Coated paperboard core for elastomeric fiber production |
| 07/18/2012 | CN102597330A Nickel-plated steel sheet used to manufacture pipe and having corrosion-resistant properties against fuel vapors, and pipe and fuel supply pipe that use same |
| 07/18/2012 | CN102588684A Novel fiber reinforced plastic concrete composite pipe |
| 07/18/2012 | CN102588683A Polypropylene pipeline |
| 07/18/2012 | CN102588682A One-step formed weldless mechanically sealed metal corrugated pipe |
| 07/18/2012 | CN102588681A Long-distance copper-clad steel pipe |
| 07/18/2012 | CN102588680A Copper-clad steel tube manufactured by high-speed welding |
| 07/18/2012 | CN102588679A Stainless steel chassis type pipe fitting |
| 07/18/2012 | CN102585729A Low-melting-point adhesive resin as well as preparation method and application thereof |
| 07/18/2012 | CN102585401A Production method of PVC (polyvinyl chloride) threading pipe with high impact resistance |
| 07/18/2012 | CN102585323A Super wear resistant high-adhesion composite tube and manufacturing method thereof |
| 07/18/2012 | CN102585256A Method for toughening recovered high density polyethylene plastic |
| 07/18/2012 | CN102581555A P91 seamless steel pipe and method for manufacturing same |
| 07/18/2012 | CN102052525B L-shaped air-guide duct |
| 07/18/2012 | CN102040834B Polycaprolactam composite material, and preparation method and use thereof |
| 07/18/2012 | CN101305231B Cryogenic pipeline configurations and methods |
| 07/12/2012 | US20120177165 Construction method, tubular member, and nuclear power plant |
| 07/12/2012 | US20120175008 Polyethylene composition for large diameter pipe stability |
| 07/12/2012 | US20120175007 Pre-Sressed Insulated Tubing |
| 07/12/2012 | US20120175006 PVC/CPVC Composite Pipe With metal Interlayer And Process For Making It |
| 07/12/2012 | DE102011008119A1 Double pipe for double pipe heat exchanger for motor vehicle engine, has recesses and projections that are formed in outer pipe wall and inner pipe wall respectively and are radially inserted into annular gap |
| 07/11/2012 | CN202327533U 保温管道 Pipe insulation |
| 07/11/2012 | CN202327525U 架空式蒸汽输送管道 Overhead steam pipeline |
| 07/11/2012 | CN202327524U 架空式蒸汽输送管道 Overhead steam pipeline |
| 07/11/2012 | CN202327520U 耐腐蚀复合管件 Corrosion-resistant composite pipe fittings |
| 07/11/2012 | CN202327519U 热处理镍基管件 Nickel-based heat pipe fittings |
| 07/11/2012 | CN202327404U 一种降噪风管 Denoising duct |
| 07/11/2012 | CN202327403U 输储式多功能双向预应力节水管道 Chu lose prestressed bi-saving multi-function pipeline |
| 07/11/2012 | CN202327402U 增强型钢塑螺纹复合抗压管 Reinforced-plastic composite compression pipe thread |
| 07/11/2012 | CN202327401U Conveying pipe and concrete conveying equipment including same |
| 07/11/2012 | CN202327400U 一种内平壁缠绕管 An internal flat wall Pipe |