| Patents for F16L 9 - Rigid pipes (18,006) |
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| 05/31/2001 | DE19939689A1 Hydraulic line for vehicles, now made more rapidly than ever before |
| 05/30/2001 | CN2432422Y Rigid pipe with reinforcing layer and plastic layer |
| 05/30/2001 | CA2291308A1 Pipe with composite wall construction and method of making same |
| 05/29/2001 | US6238757 Composite tube |
| 05/29/2001 | US6238489 Covering with a conformal cap the interior and exterior surfaces of the end of an elongated metal drill bit having a central channel, thermochemical treatment of drill whereby the depth of surface treatment tapers at edge of cap |
| 05/29/2001 | US6237963 Service riser |
| 05/29/2001 | US6237642 Sealing-tight pipe with acoustic damping for the transport of gaseous fluids, and a method of producing the same |
| 05/23/2001 | DE19960046C1 Fitting for pipe with inner plastic layer and outer metal sleeve comprises first component fitted to stripped end of plastic tube which has sealing surface fitting against end of sleeve and second component slid towards first to widen pipe |
| 05/23/2001 | CN2431462Y Corrosion-proof metallic internal wall composite ventilating duct |
| 05/23/2001 | CN2431461Y Light honeycomb sandwith pipe |
| 05/23/2001 | CN2431460Y Rectangular ventilating duct |
| 05/23/2001 | CN2431459Y Synthetic pipe |
| 05/23/2001 | CN1066100C Method and installation for producing multilayer pipe of thermoplastic material, in particular polyolefine |
| 05/22/2001 | US6234211 Pipe for the ducting of gaseous fluids notably in cars |
| 05/17/2001 | WO2001007856A3 Method for manufacturing a double-walled heat exchanging tube with leak detection |
| 05/16/2001 | EP1099913A2 Bendable sandwich panel |
| 05/16/2001 | EP0664862B1 Manufacture of helically corrugated conduit |
| 05/16/2001 | CN2430600Y Composite plate ventilation pipeline with thin steel plate as surface layer |
| 05/16/2001 | CN1295209A Shaped spiral wound pipe |
| 05/16/2001 | CN1295208A Stretch-oriented high-strength composite plastic pipe with inorganic stuffing-plastic layer |
| 05/16/2001 | CN1295207A Monoway stretch-oriented high-strength composite plastic pipe |
| 05/16/2001 | CN1295206A Stretch-oriented high-strength composite plastic pipe with foamed layer |
| 05/16/2001 | CN1294969A Manufacture of composite aluminium-plastic pipe and aluminium pipe orienting and fitting unit |
| 05/16/2001 | CN1294948A Production process of composite aluminium-plastic pipe and its special pipe drawing machine |
| 05/15/2001 | US6231704 Apparatus for on-site installation of air duct system |
| 05/15/2001 | US6231086 Pipe-in-pipe mechanical bonded joint assembly |
| 05/15/2001 | US6230751 Corrosion- and fire-resistant pipe system |
| 05/10/2001 | WO2001032401A1 Method of making a spirally-wound tube |
| 05/10/2001 | DE19949926C1 Leitungssystem Line system |
| 05/09/2001 | CN1294744A Structural element, a set of such elements and method for producing it |
| 05/09/2001 | CN1294274A Great plastic water pipe |
| 05/08/2001 | US6228445 Austenitic stainless steel article having a passivated surface layer |
| 05/08/2001 | US6227578 Corrugated resin elbow |
| 05/08/2001 | US6227252 Reinforced pipe and method of making |
| 05/03/2001 | DE19952103A1 Chemical process feed pipe shell internally sub-divided into a number space saving fluid-tight feed passages |
| 05/02/2001 | EP1095102A1 Polymer composition for pipes |
| 05/02/2001 | EP0756682B1 Method for making upset ends on metal pipe and resulting product |
| 05/02/2001 | CN2428665Y Stainless-steel aluminium-plastic composite tube |
| 05/02/2001 | CN2428664Y Push bench of glass-fiber reinforced plastic sandwiched with sand |
| 05/02/2001 | CN1293330A Large-diameter composite metal-nylon pipe |
| 05/01/2001 | US6225421 Suspension polymerizing ethylene in polymerization reactor; withdrawing, degassing, subjecting mixture with ethylene, 1-hexene and optionally one alpha-olefin to suspension polymerization |
| 04/26/2001 | WO2001029473A1 Thin-walled cylinder made from fibre-reinforced plastics material |
| 04/26/2001 | WO2001029472A1 Conduit system |
| 04/26/2001 | CA2387583A1 Conduit system |
| 04/25/2001 | CN2427700Y Mixing type glass fiber reinforced plastic air conduit |
| 04/24/2001 | US6221974 Process for the preparation of creep-resistant polypropylene block copolymers |
| 04/19/2001 | WO2001027515A1 Pipe for hot-water circulation |
| 04/19/2001 | WO2001027413A1 Pipe system for device filtering and pumping water in a swimming pool |
| 04/19/2001 | DE19956210A1 Flexible medium carrier, e.g. pipeline for heating supply or water pipeline; is fitted to cross-section of medium to be transported using control, regulation and requirement methods |
| 04/19/2001 | DE19745192C2 Rohrverbindung und ein Verfahren zu deren Herstellung A pipe joint and a method for their preparation |
| 04/18/2001 | CN1291691A Split-type pipe with multi-layer wall and its making method |
| 04/18/2001 | CA2286956A1 Steel-composite pipe apparatus and method of manufacturing same |
| 04/17/2001 | US6216746 Lay-in wireway |
| 04/17/2001 | US6216744 Multilayer hose for transporting chemicals having a high solvent content |
| 04/11/2001 | EP1091155A2 Porosity inspection device for an acoustical hose conducting air |
| 04/11/2001 | EP1090242A1 Unbonded flexible pipes and method for the production thereof |
| 04/11/2001 | CN2426555Y Transfer moulding resin cross winding glass fibre reinforced plastic pipe fitting |
| 04/11/2001 | CN2426554Y Variable cross-section end bore pipe joint for reinforced concrete tube |
| 04/10/2001 | US6214268 Blow-molded hoses and apparatuses for producing the same |
| 04/10/2001 | US6213522 Device for securing adjacent segments of fibrous glass duct work and the like and a system including said device |
| 04/10/2001 | CA2156984C Decentralizing, centralizing, locating and orienting subsystems and methods for subterranean multilateral well drilling and completion |
| 04/06/2001 | CA2285510A1 Cylindrical helical seamed tube and method and apparatus therefore |
| 04/05/2001 | DE19946847A1 Composite pipe for underfloor heating comprises layer of plastic and layer of metal with compensating coefficients of expansion |
| 04/05/2001 | DE19946544A1 Rohrleitung für ein Brems-, Kraftstoff- oder Hydrauliksystem in Kraftfahrzeugen Piping for a brake, fuel and hydraulic systems in motor vehicles |
| 04/05/2001 | DE19940607A1 Verfahren zur Herstellung eines dünnwandigen Rohrs und dafür geeignete Vorrichtung A process for preparing a thinly walled tube and device suitable therefor |
| 04/04/2001 | EP1089028A2 Rigid line for a brake, fuel or hydraulic system in motor vehicles |
| 04/04/2001 | EP1087850A1 Bimetallic corrugated tube and process for its manufacturing |
| 04/04/2001 | CN2426057Y Thermal-insulating glass fiber reinforced plastics pipe |
| 04/04/2001 | CN1289672A Method and apparatus for manufacturing plastic products by injection and products thereof |
| 04/03/2001 | US6209587 Multi-layer assembly for fluid and vapor handling and containment systems |
| 03/29/2001 | WO2001021995A1 Collapse resistant popoid connector |
| 03/29/2001 | CA2385017A1 Collapse resistant popoid connector |
| 03/28/2001 | CN2425254Y Concrete drain-pipe steel die lining for production by overhang roll method |
| 03/28/2001 | CN2425253Y 塑料管 Plastic pipe |
| 03/28/2001 | CN1289017A Prefabricated hollow concrete structural member |
| 03/27/2001 | USRE37114 Secondary containment flexible underground piping system |
| 03/27/2001 | US6207241 Composite conduit comprising an inner fibrous layer impregnated with a resin adapted to provide corrosion and fire resistant layers, outer layer is a fiber material inpregnated with gypsum, and additives |
| 03/22/2001 | WO2001020212A1 Pipe for pipelines, especially for transporting corrosive or abrasive media |
| 03/22/2001 | DE19943230A1 Rohr für Rohrleitungen, insbesondere für korrosive oder abrasive Medien Pipe for pipelines, especially for corrosive or abrasive media |
| 03/21/2001 | EP1083957A1 Double walled catheter and method of manufacture |
| 03/21/2001 | CN1288124A Spiral strengthening hose |
| 03/20/2001 | US6203740 Two annular conical feed gaps one within the other, provided between a rotatable rotor and a stator, and an extrudable material is extruded from extruder by means of helicle curve-shaped grooves and flights located between grooves |
| 03/20/2001 | US6203651 Method and apparatus for making an extrusion product, and an extrusion product |
| 03/20/2001 | US6202700 Self-flushing pipe |
| 03/20/2001 | US6202376 Sandwich structure |
| 03/14/2001 | EP1082209A1 Composite pipe structures having improved containment and axial strength |
| 03/14/2001 | EP0879131B1 An extrusion apparatus and method, a tubular product, and a pipe |
| 03/14/2001 | CN2423467Y Binding plastic-steel pipe |
| 03/14/2001 | CN2423257Y Steel-copper double-pipe for low-middle-pressure fluid transportation |
| 03/14/2001 | CN1287601A Cast formed part |
| 03/14/2001 | CN1287238A High-strength composite plastic pipe of stretched and oriented polymer and with hollow reinforced structure in wall |
| 03/08/2001 | WO2001016515A1 Production/injection line and methods relating to same |
| 03/08/2001 | DE19960650C1 Pipeline e.g. for braking system, hydraulic system or fuel supply system in automobile, provided with integral end fitting for coupling pipeline to hose |
| 03/07/2001 | EP1080296A1 Deformable liner tube |
| 03/07/2001 | CN1286365A Large-span oil (gas) delivering pipeline |
| 03/07/2001 | CN1062808C Synthetic resin tube |
| 03/06/2001 | US6197395 Hollow reinforcing members and composites containing the same |
| 03/06/2001 | US6197239 Extrusion apparatus for preparing a cylindrical plastic product or for coating the product at least with one layer of plastic, the extrusion apparatus comprising at least one conical stator, at least one conical rotor |
| 03/01/2001 | WO2001014600A1 Semifinished and finished products made of austenitic special steel and method for the production thereof |
| 03/01/2001 | DE10038148A1 Coated metal pipe, for automobiles, comprises a layer of polymer material with foamed structure |