| Patents for F16L 9 - Rigid pipes (18,006) |
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| 03/19/2009 | WO2007039824A3 Pre-insulated ventilation conduit and method of manufacturing the same |
| 03/19/2009 | US20090071595 Assembly process and plastic composite tube |
| 03/19/2009 | US20090071214 Steel tube with excellent steam oxidation resistance and method for producing the steel tube |
| 03/19/2009 | CA2699559A1 Improvements relating to pipe |
| 03/18/2009 | EP1514048B1 A coupling system |
| 03/18/2009 | CN201209714Y Combination inner liner anti-corrosive wear resistant tube |
| 03/18/2009 | CN201209713Y Perforation aluminium plastic composite pressure conduit |
| 03/18/2009 | CN101389813A Water main system with monitoring of addition of branches, system and method therefor |
| 03/18/2009 | CN101387359A Production process of inner plastic layer of steel-plastic composite pipe |
| 03/18/2009 | CN101387358A Compound plastic pipe |
| 03/18/2009 | CN101387357A High strength fibre reinforced ventilating duct and use thereof |
| 03/18/2009 | CN101386110A Apparatus and method for sealing collars of double-wall bellows and double-wall belows so obtained that can be fitted with crack monitoring |
| 03/12/2009 | WO2009031820A1 Double wall spiral tube with inner wall protecting structure |
| 03/12/2009 | US20090068490 Ferritic stainless steel sheet for use in raw material pipe for forming bellows pipe |
| 03/12/2009 | US20090065119 Method of forming a conduit |
| 03/12/2009 | US20090065083 Continuous Communications Conduit Apparatus and Method |
| 03/12/2009 | DE202008016951U1 Universelles Mehrschichtverbundrohr, insbesondere für Heizung und Sanitär Universal multi-layer composite pipe, especially for heating and plumbing |
| 03/12/2009 | DE202007015039U1 Rohr zum Temperieren Tube for temperature control |
| 03/11/2009 | EP1536172B1 Metal bellows tube, method of producing the same, and flexible tube for high-pressure fluid |
| 03/11/2009 | CN201206699Y Protecting and decorating pipe sleeve |
| 03/11/2009 | CN201206679Y Double-wall corrugated pipe |
| 03/11/2009 | CN201206675Y Negative phase molding double-layer PE anti-corrosive tube |
| 03/11/2009 | CN201206674Y Antimicrobial glass fibre PP-R tube |
| 03/11/2009 | CN201206673Y Novel antimicrobial PE tube |
| 03/11/2009 | CN201206672Y Composite bellows |
| 03/11/2009 | CN101384754A Improved process for coloring low temperature carburized austenitic stainless steel |
| 03/11/2009 | CN101382214A Steel mesh plastic composite pipe and preparation thereof |
| 03/11/2009 | CN101382213A Composite pipe |
| 03/11/2009 | CN101382212A Weldable composite pipe |
| 03/11/2009 | CN101382211A Method for producing steel-plastic composite high-temperature high-pressure anti-corrosive pipe |
| 03/10/2009 | US7500805 Low-nest height thermoplastic leaching chamber |
| 03/10/2009 | CA2439762C Conduit and method of forming |
| 03/05/2009 | WO2009028057A1 Fire-resistant piping material |
| 03/05/2009 | WO2009027694A2 Interfitting tubular members |
| 03/05/2009 | DE202008015522U1 Perforiertes Rohr Perforated pipe |
| 03/05/2009 | DE10257224B4 Rohr mit Rohrendstück Pipe with pipe end |
| 03/05/2009 | DE102007042005A1 Electrically conductive hollow pipe e.g. fuel pipe, for road vehicle, has casing with region extending in radial direction from outer side of casing until pipe, where electrical conductivity of region is greater than that of another region |
| 03/05/2009 | DE102007041377A1 Connection system particularly plastic-metal connection system, has pipe with expansion areas and plastic fitting with other areas, where area of the fittings is designed steeper than the area of the pipe |
| 03/05/2009 | DE102007040683A1 Umhüllte Rohrleitung Coated pipe |
| 03/05/2009 | DE102007040603A1 Single-layer, hardened feed pipe manufacturing method for transporting solid, involves forming ring holder at inner side of tube end within area of welding influence zone and fixing wear component in ring holder and in coupling shoulder |
| 03/05/2009 | CA2703554A1 Interfitting tubular members |
| 03/04/2009 | EP1583877B1 Reinforced composite boom pipe with bonded sleeves |
| 03/04/2009 | CN201202923Y Non-metal mechanism fire-fighting interface |
| 03/04/2009 | CN201202900Y Crescent rib-shaped high-strength steel branch pipe |
| 03/04/2009 | CN201202899Y Guide stainless steel conveying pipe with interlayer |
| 03/04/2009 | CN201202898Y Ultrathin steel faucet prestress steel cylinder steel fiber reinforced concrete tube |
| 03/04/2009 | CN201202897Y Limit resistant and vacuum degree pipeline for pump |
| 03/04/2009 | CN201202896Y Reinforced pipeline |
| 03/04/2009 | CN201202895Y Prefabricated prestress plastic inner lining concrete pipeline |
| 03/04/2009 | CN201202894Y Prestress plastic corrugated pipe |
| 03/04/2009 | CN201202893Y Transverse separating type pulling and squeezing resin base fiber reinforcement plastic pipe |
| 03/04/2009 | CN201202892Y Enhanced type PPR composite pipe |
| 03/04/2009 | CN201202891Y Gas tube with detection lead wire |
| 03/04/2009 | CN201202148Y Noiseless rainspout |
| 03/04/2009 | CN101378858A Making an elongated product |
| 03/04/2009 | CN101378857A Making an elongated product |
| 03/03/2009 | US7497236 Vacuum brake hose |
| 03/03/2009 | US7497235 Resin tube for fuel piping |
| 02/26/2009 | WO2009025678A1 A composite pipe for transporting hot and cold water |
| 02/26/2009 | US20090050229 Insulating pipe fixing system |
| 02/26/2009 | US20090050225 System for Piping Under Roadways |
| 02/26/2009 | DE102007038932A1 Textile-matrix-laminate for manufacturing reinforced component parts i.e. multi-layer laminate pipe, has lattice-like narrow textile i.e. thread layer sewing substance, embedded in matrix such as fine concrete matrix |
| 02/26/2009 | DE102005051766B4 Rohrbogen und Verfahren zur Herstellung eines Rohrbogens Tube sheet and method for manufacturing a pipe bend |
| 02/25/2009 | EP2026919A1 Tubular members and methods of forming same |
| 02/25/2009 | CN201198931Y Steel plastic composite spiral pipe winding machine |
| 02/25/2009 | CN201198930Y Ultra-high molecular weight reinforced high heat conducting polyethylene tube for ground source heat pump |
| 02/25/2009 | CN101373036A Plastic-steel winding pipe belt material and plastic-steel winding pipe made by the same |
| 02/25/2009 | CN101373035A Plastic-steel winding pipe belt material |
| 02/25/2009 | CN101373034A Steel sleeve reinforced concrete pipe |
| 02/25/2009 | CN101373033A Glass fiber reinforced plastic external canopy guard pipe |
| 02/25/2009 | CN101373032A Pipeline provided with connecting components and manufacturing method thereof |
| 02/25/2009 | CN100463770C Process for producing double-layer wrapped welding tube used for connecting indoor/outdoor units of air conditioner |
| 02/24/2009 | US7494155 Pipeline for the transportation of liquefied natural gas |
| 02/24/2009 | US7493918 Fluid conduit |
| 02/19/2009 | US20090044954 Method for Transporting Multiphase Fluids |
| 02/19/2009 | US20090044396 Corrosion resisting pipelines |
| 02/19/2009 | DE102007038507A1 Rohrleitung bzw. Messrohr mit mindestens einer, mindestens bereichsweise isolierenden Schicht und Verfahren zu dessen Herstellung Conduit or metering tube having at least one, at least partially insulating layer and process for its preparation |
| 02/18/2009 | EP2025986A1 Pipe unit or pipe/cable unit containing at least two pipes or at least one pipe and one cable |
| 02/18/2009 | EP2024689A1 Meltal sheet ventilation/smoke duct section and manufacturing method thereof |
| 02/18/2009 | EP1146273B1 Pipe for hot-water circulation |
| 02/18/2009 | CN201196313Y Anti-bending copper aluminum connecting pipe with rhombic structure |
| 02/18/2009 | CN201196310Y Soldering seam type stainless steel foil pipe |
| 02/18/2009 | CN201196309Y Pre-stress longitudinal rib steel fiber reinforced concrete pipe with ultra-thin steel faucet |
| 02/18/2009 | CN201196308Y Precast pre-stress concrete pipe gallery with edge rounding |
| 02/18/2009 | CN201196307Y Precast pre-stress reinforced steel cylinder concrete pipe gallery |
| 02/18/2009 | CN201196306Y Precast pre-stress steel cylinder concrete pipe gallery |
| 02/18/2009 | CN201196305Y Precast pre-stress longitudinal rib concrete pipe gallery |
| 02/18/2009 | CN201196304Y Prefabricated pre-stress cylindrical reinforcing steel frame concrete pipe gallery |
| 02/18/2009 | CN201196303Y Precast pre-stress concrete pipe gallery |
| 02/18/2009 | CN201196302Y Prefabricated reinforced steel barrel concrete pipe gallery |
| 02/18/2009 | CN201196301Y Prefabricated concrete pipe gallery |
| 02/18/2009 | CN201196300Y Prefabricated cylindrical reinforcing steel frame concrete pipe gallery |
| 02/18/2009 | CN201196299Y Prefabricated concrete pipe gallery |
| 02/18/2009 | CN201196298Y Round die negative-phase shaping three-layer PE corrosion-proof pipe |
| 02/18/2009 | CN201196297Y Prefabricated pre-stress plastic inner lining concrete reinforced pipe gallery |
| 02/18/2009 | CN201196296Y Prefabricated plastic inner lining concrete reinforced pipe gallery |
| 02/18/2009 | CN201196295Y Prefabricated plastic inner lining concrete pipe gallery |
| 02/18/2009 | CN201196294Y Prefabricated longitudinal rib concrete pipe gallery |
| 02/18/2009 | CN201196028Y Composite silicate heat preservation structure used on thick oil thermal production steam pipe |
| 02/18/2009 | CN101368656A Formula and production technology for glass fibre reinforced plastic composite elbow |