| Patents for F16L 9 - Rigid pipes (18,006) |
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| 04/17/2013 | CN103044768A Polypropylene pipe for underground coal mine |
| 04/17/2013 | CN103044754A Ultra-high molecular weight polyethylene/carbon nanotube oil tube lining tube and preparation method thereof |
| 04/17/2013 | CN103044749A Preparation method of ultra-high molecular weight polyethylene tube |
| 04/17/2013 | CN103044745A Anticorrosive, wax-proof and high-temperature-resistant polyethylene tube for oil extraction and preparation method of polyethylene tube |
| 04/17/2013 | CN103044739A Polyethylene drainage pipe material and preparation method thereof |
| 04/17/2013 | CN102494196B Method for manufacturing copper steel duplex metal composite tube |
| 04/17/2013 | CN102320792B Ductile cast iron pipe lining layer compound, ductile cast iron pipe comprising same and preparation method |
| 04/17/2013 | CN102207229B Modular glass steel pipeline and method for repairing underground broken pipeline by using same |
| 04/17/2013 | CN101818833B Slightly bent ceramic tube, application and production method thereof |
| 04/17/2013 | CN101805472B Regeneration high-density polyethylene (HDPE) particle used for tubings and manufacture method thereof |
| 04/17/2013 | CN101694252B Reinforced compound pipe and manufacture device thereof |
| 04/17/2013 | CN101586718B Precast prestressed concrete pipe gallery with chamfer angle |
| 04/11/2013 | US20130088837 Flow channel member, and heat exchanger using the same, and electronic component device |
| 04/11/2013 | US20130087499 Spiral separation membrane element, perforated hollow tube, and method of producing the same |
| 04/11/2013 | US20130087242 Method and device for manufacturing a bi-material sleeve and sleeve thus produced |
| 04/11/2013 | US20130087241 Pipe for drawing up cold water for a marine thermal energy plant |
| 04/11/2013 | US20130087240 Explosive Cladding Of At Least Two Metal Pipes Arranged Within Each Other |
| 04/11/2013 | US20130087207 Pipe transport system with hydrophobic wall |
| 04/11/2013 | DE102012001987A1 Heat conducting pipe for thermal applications, has heating or cooling energy transporting medium flowing inside pipe to produce heat or cold for rooms or areas of building |
| 04/10/2013 | EP2578916A1 Double-walled pipe for transporting a fluid, installation of such a pipe and aircraft comprising such a pipe |
| 04/10/2013 | EP2578327A1 Double-walled pipe with a gap, and manufacturing method therefor |
| 04/10/2013 | EP2577142A1 Method for manufacturing an elongated object by spinning at least one curable matrix coated thread on a core element |
| 04/10/2013 | EP2576677A1 Silane grafted polythylene with a reduced level of extractable methanol |
| 04/10/2013 | EP2576658A1 Sulfonate-modified polyamide having improved barrier properties |
| 04/10/2013 | CN202868200U Nanophase ceramic coating pipeline used for coal-mine gas drainage |
| 04/10/2013 | CN202868197U Composite type polyurethane heat insulting pipe |
| 04/10/2013 | CN202868112U Noise reduction water supply pipe |
| 04/10/2013 | CN202868111U Indoor sound-proofing noise reduction water drainage pipeline |
| 04/10/2013 | CN202868110U Coaxial pipe applied to automobile air conditioner system |
| 04/10/2013 | CN202868109U Drain pipeline with double-hole plastic steel wall |
| 04/10/2013 | CN202868108U Polyethylene annealed steel corrugated pipe |
| 04/10/2013 | CN202868107U Relatively big turn angle double-rubber-ring prestress steel cylinder concrete pipe |
| 04/10/2013 | CN202868106U Nano-antibacterial type steel wire mesh framework polythene tubular product |
| 04/10/2013 | CN202868105U Steel wire mesh framework normal temperature rapid self-crosslinking PE composite pipe |
| 04/10/2013 | CN202868104U Composite tube |
| 04/10/2013 | CN202868103U Corrosion resisting and aging resisting composite tube |
| 04/10/2013 | CN202868102U Square dual-wall reinforcing pipe |
| 04/10/2013 | CN202868101U Pentatricopeptide repeats (PPR) tube with anti-fake function |
| 04/10/2013 | CN202868100U Sealed environment-friendly two-sided color steel plate compound air duct |
| 04/10/2013 | CN202868099U Stainless steel hybrid welding steel tube |
| 04/10/2013 | CN202868098U High-pressure thick-wall seamless hot-pressing reducing pipe |
| 04/10/2013 | CN202868097U Steel pipe with connection disc |
| 04/10/2013 | CN202868096U Novel conveying composite steel pipe |
| 04/10/2013 | CN202862597U Online flaring continuous winding hot forming device of spiral corrugated pipe |
| 04/10/2013 | CN103032638A Composite anti-bacterial photo-resistance tube and manufacturing process thereof |
| 04/10/2013 | CN103032637A Bimetal composite pipe and production method thereof |
| 04/10/2013 | CN103032636A Thin-walled aluminium tube |
| 04/10/2013 | CN103032635A Method of manufacturing mineral slurry delivery pipeline which is anti-erosion and anti-wear |
| 04/10/2013 | CN103032634A Water outlet pipe of water pump |
| 04/10/2013 | CN103030903A Nano-antibacterial rigid polyvinyl chloride pipe and fabrication method thereof |
| 04/10/2013 | CN103030902A Rigid polyvinyl chloride pipe |
| 04/10/2013 | CN103030861A Mining structural wall pipe and preparation method thereof |
| 04/10/2013 | CN103029334A Multilayer tube |
| 04/10/2013 | CN102465221B Aluminum alloy tube resistant to seawater corrosion and preparation method thereof |
| 04/10/2013 | CN102417650B Wear-resistant crosslinked PE (Polyethylene) composite pipe and manufacturing method thereof |
| 04/10/2013 | CN102287587B Small-bore pipeline of alumina ceramic lining and preparation method for small-bore pipeline |
| 04/10/2013 | CN102168774B Staggered-welded self-reinforcing pipes and forming method thereof |
| 04/09/2013 | US8415447 Multilayer; foamed plastic interface; material handling of crude oil |
| 04/09/2013 | US8415268 Process for producing a ringlike oxidic shaped body |
| 04/09/2013 | US8413690 Downhole recovery production tube system |
| 04/07/2013 | CA2791921A1 Double-walled fluid transportation pipe, installation of such a pipe and the aircraft including such a pipe |
| 04/05/2013 | CA2791355A1 Multi-tube spoolable assembly |
| 04/04/2013 | WO2013048648A1 Electrostatic bonding of coaxial tubing |
| 04/04/2013 | US20130081734 Electrostatic Bonding of Coaxial Tubing |
| 04/04/2013 | CA2843765A1 Electrostatic bonding of coaxial tubing |
| 04/03/2013 | EP2574833A1 Multilayer reinforced polymeric pipe and system of pipes |
| 04/03/2013 | CN202852229U Novel sulfur warm keeping steam jacketed pipe |
| 04/03/2013 | CN202852228U Coaxial tube used in car air conditioning system |
| 04/03/2013 | CN202852227U Connecting double-layered tube |
| 04/03/2013 | CN202852226U Polypropylene winding pipe provided with steel belts |
| 04/03/2013 | CN202852225U All-plastic stud strengthening wound ripple tubular product |
| 04/03/2013 | CN202852224U Spiral novel type structural material reinforcing glass fiber reinforced plastic pipeline |
| 04/03/2013 | CN202852223U Steel bar reinforced glass fiber reinforced plastic composite tube |
| 04/03/2013 | CN202852222U Composite seal double-layer structure pipe |
| 04/03/2013 | CN202852221U Novel polypropylene (PPR) plastic aluminum steady-state pipe |
| 04/03/2013 | CN202852220U Abrasion-resistant pipeline with ceramic lining |
| 04/03/2013 | CN202852219U Heat-preserving glass fiber reinforced plastic pipeline |
| 04/03/2013 | CN202852218U Corrosion-resisting glass fiber reinforced plastic pipeline |
| 04/03/2013 | CN202852217U High-pressure-resisting glass fiber reinforced plastic pipeline |
| 04/03/2013 | CN202852216U Polyvinyl chloride (PVC) tube with functions of antibacterium and eradicating odor |
| 04/03/2013 | CN202852215U Compound tube |
| 04/03/2013 | CN202852214U Product oil pipeline with efficient static conductive lining |
| 04/03/2013 | CN202852213U Light environment-friendly type insulating glass cotton pipe |
| 04/03/2013 | CN202852212U Mosaic pipe |
| 04/03/2013 | CN202852211U High-pressure tube |
| 04/03/2013 | CN103026115A Pipe made of synthetic resin having a plurality of internal tubes |
| 04/03/2013 | CN103025821A Heterophasic polypropylene with excellent creep performance |
| 04/03/2013 | CN103016946A Externally square and internally circular three-wall reinforced composite tube |
| 04/03/2013 | CN103016892A Heat preservation oil pipe |
| 04/03/2013 | CN103016859A Shunting and silencing air pipe |
| 04/03/2013 | CN103016858A Glass fiber reinforced polyethylene hollow-wall winding pipe and manufacturing method thereof |
| 04/03/2013 | CN103016857A Material conveying pipe and manufacturing method thereof |
| 04/03/2013 | CN103016856A Fiber mesh tape-wound and reinforced composite pipe, preparation process and device |
| 04/03/2013 | CN103016855A Polyester-polytetrafluoroethene composite pipeline |
| 04/03/2013 | CN103016854A Polyamide composite hot water pipe and application in heat meter |
| 04/03/2013 | CN103016853A Multilayer anti-oxidation drain pipe and manufacturing method |
| 04/03/2013 | CN103016852A Vinyl-PVC (Polyvinyl Chloride) compound pipeline |
| 04/03/2013 | CN103016851A Smart pipeline with optical fiber sensing function and manufacturing method for smart pipeline |
| 04/03/2013 | CN103016850A Fume exhaust ventilation pipeline preformed part and manufacturing method thereof |
| 04/03/2013 | CN103016725A Unlimited high-pressure-resistant pipeline (container) |