| Patents for F16L 9 - Rigid pipes (18,006) |
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| 02/18/2009 | CN101368652A Glass fiber reinforced plastic manometer tube |
| 02/18/2009 | CN101368651A Pre-stress steel cylinder concrete pipe with low water absorbing capacity and production method thereof |
| 02/17/2009 | US7490872 Corner piece-less duct, method of producing the same, and duct-forming machine |
| 02/17/2009 | US7490631 Integrally formed flanged metal pipe and method of manufacturing thereof |
| 02/12/2009 | WO2009020904A1 Coated pipe and method using strain-hardening brittle matrix composites |
| 02/12/2009 | WO2009020900A2 Pull-up by torque ferrule fitting |
| 02/12/2009 | WO2009018966A1 Polyolefin pipe having inherent resistance to thermooxidative degradation |
| 02/12/2009 | WO2009018721A1 Equipment and method for manufacturing steel-plastic composite pipe |
| 02/12/2009 | US20090038704 Motor Vehicle Pipeline and Method for the Manufacturing of a Motor Vehicle Pipeline |
| 02/12/2009 | DE102007037134A1 Rohr aus Polyolefin mit inhärenter Beständigkeit gegen thermo-oxidativen Abbau Tube made of polyolefin with inherent resistance to thermo-oxidative degradation |
| 02/12/2009 | CA2695521A1 Coated pipe and method using strain-hardening brittle matrix composites |
| 02/12/2009 | CA2695459A1 Equipment and method for manufacturing steel-plastic composite pipe |
| 02/12/2009 | CA2695404A1 Molded part |
| 02/11/2009 | EP2023026A2 Pipe |
| 02/11/2009 | CN201193758Y Electrochemical alloy nano coated anti-corrosive insulating pipe |
| 02/11/2009 | CN101363560A Ceramic composite pipe for conveying flue gas desulfurization glue size in electric power plant and method for manufacturing same |
| 02/11/2009 | CN101363559A Faucet prestressed reinforcement pipes of concrete made by novel section steel |
| 02/11/2009 | CN100460129C Copper aluminum composite pipeline, processing equipment and processing method thereof |
| 02/11/2009 | CN100460100C Cold-finished seamless steel pipe |
| 02/10/2009 | US7488521 Laminated layer comprising copolymer of polybutylene terephthalate; block polyesterether copolymer or polyester copolymer; excellent adhesiveness; low permeability for fuel gasoline; reuse |
| 02/10/2009 | US7487799 Flow channel for liquids |
| 02/05/2009 | US20090032330 Noise optimized air distributor |
| 02/05/2009 | US20090031938 Motorwell throughhull |
| 02/05/2009 | DE102007036205A1 Production process for air-gap-insulated tube unit involves putting one tube in other, fixing at ends, bending and providing sliding seat at one end or both |
| 02/05/2009 | DE10144196C5 Gasdicher Kanal Gastight channel |
| 02/04/2009 | CN201190867Y Pneumatic conveying apparatus for inner bypass pipe |
| 02/04/2009 | CN201190846Y Multi-core tube |
| 02/04/2009 | CN201190845Y 复合管 Composite pipe |
| 02/04/2009 | CN201190844Y Steel lining and ultra-high molecular mass polyethylene composite pipe for conveying desulphurization slurry |
| 02/04/2009 | CN201190843Y Colorful steel-plastic coextrulamination pipe material |
| 02/04/2009 | CN101360962A Flexible liquid tube and manufacturing method therefor |
| 02/04/2009 | CN101358772A U-shaped seamless steel tube of high-pressure feedwater heater |
| 02/04/2009 | CN101358686A Safety conveying method for phosphorus oxychloride |
| 02/04/2009 | CN101358669A Antimicrobial glass fibre PP-R tube |
| 02/04/2009 | CN101358668A Reducing endless corrugated connecting tube |
| 02/04/2009 | CN101358667A Method of manufacturing large-diameter seamless steel tube |
| 02/04/2009 | CN101358008A Preparation method of special material for buried polyethylene drainage pipe |
| 02/04/2009 | CN101358005A Preparation method of high density polyethylene hollow wrapped pipe |
| 02/04/2009 | CN100457421C Pure plastic impervious oxygen pipe and its preparation method |
| 02/03/2009 | US7485045 Bonded drive shaft |
| 01/29/2009 | WO2008145861A3 Flexible tubular duct for transporting gaseous hydrocarbons |
| 01/29/2009 | US20090026282 Multilayer Tube for Transporting Water or Gas |
| 01/29/2009 | US20090025815 Pipeline and Method for Manufacturing That Pipeline |
| 01/29/2009 | DE102007034244A1 Rohr und Kombination zweier derartiger Rohre Tube and combination of two such tubes |
| 01/28/2009 | EP2019242A2 Pipe and combination of two such pipes |
| 01/28/2009 | EP2019241A2 Flat channel for guiding gaseous media |
| 01/28/2009 | EP1677967B1 Plugging a hollow profile of a spirally wound pipe |
| 01/28/2009 | CN201187639Y Steel faucet prestress steel cylinder reinforced concrete pipe |
| 01/28/2009 | CN201187638Y Steel faucet prestress steel cylinder concrete pipe |
| 01/28/2009 | CN201187637Y Novel ERW seamless nanometer composite pipe |
| 01/28/2009 | CN201187636Y Steel skeleton plastic composite pipe axial reinforcing apparatus |
| 01/28/2009 | CN201187635Y Composite connecting pipe |
| 01/28/2009 | CN101354100A Steel faucet prestress glass fiber reinforced plastic external guard reinforced concrete pipe |
| 01/28/2009 | CN101354099A Plastic inner lining barrel faucet prestress glass fiber reinforced plastic concrete pipe |
| 01/28/2009 | CN101353467A Polychloroethylene acrylonitrile butadiene composite pipes and preparation thereof |
| 01/28/2009 | CN101353465A Formula of modified polychloroethylene pipes |
| 01/28/2009 | CN100455868C Pipeline of composing metal with polypropene |
| 01/28/2009 | CN100455867C Pipeline of composing metal with polythene |
| 01/28/2009 | CN100455866C Pipeline of polar polymer and poleless polymer composing with metal reinforcement |
| 01/28/2009 | CN100455865C Polyamide-based multilayer tube for transferring fluids |
| 01/27/2009 | CA2351609C Bonding of steel strips in steel strip laminate pipe |
| 01/22/2009 | WO2009010211A1 Low migration polyolefin composition comprising vitamin e-type stabiliser |
| 01/22/2009 | US20090020160 System and method for distributing chemical liquids |
| 01/21/2009 | EP2017074A2 Aluminium coated automobile pipe and method for producing the same by hot dip plating |
| 01/21/2009 | CN201184458Y Pretensioned prestressing concrete composite pipes |
| 01/21/2009 | CN201184457Y High wear resistant delivery conduit |
| 01/21/2009 | CN201184456Y High wear resistant conveying bent tube |
| 01/21/2009 | CN101349521A Variable-pitch screw thread metal pipe |
| 01/21/2009 | CN101349371A Connection structure of metal-resin composite pipe for use in the connection structure |
| 01/21/2009 | CN101349370A Prestressed reinforced concrete pipe with plastic inner lining barrel spigot |
| 01/21/2009 | CN101349369A Prestressed reinforced concrete pipe with tube core externally lining with plastic sleeve faucet |
| 01/21/2009 | CN101349368A Prestressed reinforced concrete pipe built-in with plastic sleeve faucet |
| 01/21/2009 | CN101349367A Plastic pipe for reinforcing thermal plasticity |
| 01/21/2009 | CN101348593A Polychloroethylene layered nano silicate composite pipe and preparation thereof |
| 01/21/2009 | CN100453876C Glass fibre reinforced plastic sand inclusion push-pipe |
| 01/21/2009 | CN100453875C Method for processing stainless steel/carbon steel composite pipe |
| 01/15/2009 | WO2009008281A1 Steel tube for fuel injection tube and process for producing the same |
| 01/15/2009 | WO2009007511A1 Method of grounding multilayer pipes and pipeline comprising multilayer pipe |
| 01/15/2009 | WO2009007263A1 ß-NUCLEATED POLYPROPYLENE COMPOSITION |
| 01/15/2009 | US20090014081 Thermosetting or thermoplastic arrangement for manufacturing piping for air conditioning |
| 01/14/2009 | EP2014715A1 ß-Nucleated polypropylene composition |
| 01/14/2009 | EP2014704A1 Low migration polyolefin composition comprising vitamin E-type stabiliser |
| 01/14/2009 | CN201180870Y Oxygen-resistant aluminum alloy lining plastic composite pipe |
| 01/14/2009 | CN201180869Y Polythene steel strip reinforced hollow winding structure wall pipes |
| 01/14/2009 | CN201180868Y Plastic inner lining extruding type socket steel loop concrete push pipe |
| 01/14/2009 | CN201180867Y Plastic inner lining socket concave steel loop concrete push pipe |
| 01/14/2009 | CN201180866Y Plastic inner lining socket steel loop concrete push pipe |
| 01/14/2009 | CN201180865Y Solid composite pipes |
| 01/14/2009 | CN101344199A Rotational molding plastic composite pipes with steel rings and manufacturing method thereof |
| 01/14/2009 | CN101344198A Ultrahigh molecular weight polyethylene abrasion-proof pipe |
| 01/14/2009 | CN101344197A Glass fibre reinforced plastic concrete pipe with steel faucet |
| 01/14/2009 | CN101344196A Pre-stress glass fibre reinforced plastic concrete pipe with steel faucet |
| 01/14/2009 | CN101344195A Glass fibre reinforced plastic concrete reinforced pipe with steel faucet |
| 01/14/2009 | CN101344194A Production technology of modified polyvinyl chloride pipes |
| 01/14/2009 | CN101344193A Tubular product and manufacturing method and manufacturing device thereof |
| 01/14/2009 | CN101343388A Polythene tube composition for mining |
| 01/14/2009 | CN100451415C Double-seam submerged-arc welding pipe with petroleum and natural-gas transfer and its production |
| 01/13/2009 | US7475706 Variable curvature tube and draw die therefor |
| 01/13/2009 | US7475705 Manufacturing method for multi-material tube structures |
| 01/08/2009 | US20090007594 Conduit component for a power supply network, use thereof, method for transporting cryogenic energy carriers in conduits and devices suitable therefor |