| Patents for F16L 9 - Rigid pipes (18,006) |
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| 03/30/2000 | WO2000017567A1 Elbow for conveying particulate matter |
| 03/30/2000 | WO2000017563A1 Soundproof cover for pipes |
| 03/29/2000 | EP0988672A1 Foam coated convoluted tubing |
| 03/29/2000 | CN2371413Y Laminated metal composite tube |
| 03/29/2000 | CN2371412Y Honeycomb inclined tube with tubular units |
| 03/29/2000 | CN2371236Y Plastic pipe having internal spiral ridges with reinforced ribs in its hollow wall |
| 03/28/2000 | US6042152 Interface system between composite tubing and end fittings |
| 03/28/2000 | US6041829 Undersea pipe |
| 03/28/2000 | US6041827 Multi-layered metallic pipe and method of coating the metallic pipe |
| 03/28/2000 | US6041826 Supply tube such as for engines, five concentric layers where the inner and outermost layers are polyamide, the middle layer is fluoropolymer and two layers of bonding agent comprising polymers with carbonyl groups in their chains |
| 03/28/2000 | US6041822 Reduction of electrostatic charging of particles in pneumatic conveying systems |
| 03/28/2000 | CA2114518C Multilayer plastic pipe |
| 03/22/2000 | EP0823031B1 Tube of composite material |
| 03/22/2000 | CN2370242Y Reinforced composite pipeline composited with different plastic and metal skeloton having holes |
| 03/21/2000 | US6040025 Adhesion binder containing glutarimide moieties |
| 03/21/2000 | US6039085 Layers of fluoropolymer, a middle adhesive layer and an outer foamed polyamide layer. |
| 03/16/2000 | WO2000004315A8 An improved plastic composite pipe with a wire-mesh as its skeleton and the method and device of making the same |
| 03/16/2000 | DE19846587C1 Supporting system for superisolation in annular gap between flexible corrugated pipes has cylindrical rod frames between superisolation and inner and outer corrugated pipes |
| 03/16/2000 | DE19841121A1 Compound plastic pipe comprises an intermediate connector layer between the inner and outer pipe layers which consists of glass fibers with woven-in chain and/or weft elements made of a thermoplastic material |
| 03/15/2000 | EP0907854B1 Improved vehicle including freeze stress resistant fluid conducting apparatuses |
| 03/15/2000 | CN2369050Y 塑钢复合管 Plastic composite pipe |
| 03/15/2000 | CN2369049Y 碳钢与不锈钢复合管 Carbon steel and stainless steel composite pipe |
| 03/15/2000 | CN1247287A Jacketed compound steel-plastic pipe |
| 03/09/2000 | DE19839449A1 Composite arrangement of adjacent plastic pipes as cable guide pipes |
| 03/08/2000 | EP0984539A1 Pipe bundle |
| 03/08/2000 | EP0983115A1 Modular filtration systems and methods |
| 03/08/2000 | EP0916054B1 Multiple-layer pipe |
| 03/08/2000 | CN2367867Y Continuous multi-layer composite reinforced plastic pipe |
| 03/08/2000 | CN1050177C Oil well pipe and method for manufacturing thereof |
| 03/07/2000 | US6032702 Sheathing strip with mating side edges |
| 03/01/2000 | CN2366652Y Environmental protection type galvaized pipe having inner protection layer |
| 03/01/2000 | CN2366651Y Antifreeze compound tube |
| 03/01/2000 | CN2366650Y Glass fiber reinforced plastic-polyvinyl-chloride composite tube |
| 03/01/2000 | CN2366649Y Ring section type structure for joining round tube |
| 03/01/2000 | CN2366648Y Plastic steel pipe with holes |
| 02/29/2000 | US6030672 Corrosion- and chipping-resistant resin coating structure for stainless steel pipes |
| 02/24/2000 | WO2000009317A1 Ribbed core dual wall structure |
| 02/23/2000 | EP0980729A1 Centrifugally cast tubes, method and apparatus of making same |
| 02/23/2000 | CN2365490Y Steel-plastic composite pipe bayonet joint special pipe fittings |
| 02/23/2000 | CN2365489Y Ultrathin wall stainless steel and plastic composite pipe |
| 02/23/2000 | CN2365488Y Tube type composite seal and copper pipe with edge |
| 02/23/2000 | CN2365487Y Cast tube convex ring joint |
| 02/23/2000 | CN2365486Y Stainless steel pipe |
| 02/23/2000 | CN2365342Y Guy wire protective cover |
| 02/23/2000 | CN1245457A Laminate structures for fuel containers |
| 02/22/2000 | US6027779 Thin-wall polytetrafluoroethylene tube |
| 02/22/2000 | US6026862 Double containment pipe sections |
| 02/22/2000 | CA2177177C Dual bias weld for continuous coiled tubing |
| 02/17/2000 | WO2000008368A1 Venting of plastics lined pipelines |
| 02/17/2000 | WO2000007810A1 Composite thermoplastic-elastomer product |
| 02/17/2000 | DE19839452C1 Pipe of composite construction for gas supply has inner gas tight pipe surrounded by layers of semipermeable material |
| 02/16/2000 | EP0979370A1 Pipe for circulating gaseous fluids in motor vehicles |
| 02/16/2000 | CN2364303Y Composite pipe clamping device |
| 02/16/2000 | CN2364302Y Plastic coated integrated thermal insulating metal pipe |
| 02/16/2000 | CN2364301Y Feedback rotating slide valve for oil power machine |
| 02/16/2000 | CN1244837A Plastic based multilayer structure and tube with multilayer structure |
| 02/15/2000 | US6024135 Flexible high pressure pipe |
| 02/15/2000 | US6024130 Synthetic resin pipe |
| 02/15/2000 | US6024115 Multicannular fluid delivery system |
| 02/10/2000 | WO2000006852A1 Improved cable duct |
| 02/09/2000 | EP0978677A2 High-pressure fiber reinforced composite pipe joint |
| 02/09/2000 | EP0977786A1 Premium pipe resins |
| 02/09/2000 | CN2363154Y Thermal-insulating aluminium-plastics combined pipe |
| 02/09/2000 | CN2363153Y Spiral coiled pipe or circular pipe with fins |
| 02/09/2000 | CN2363152Y Color plastics foaming air conduit |
| 02/08/2000 | US6021817 Plastics |
| 02/08/2000 | US6021816 Corrugated pipe |
| 02/02/2000 | CN2361943Y Aluminium-plastic connecting pipe and pipe joint thereof |
| 02/02/2000 | CN2361942Y Steel-plastic pipe with flexible joint |
| 02/02/2000 | CN2361941Y Leakproof cast-iron pipe |
| 02/02/2000 | CN1243211A Atactic copolymerized polypropene aluminium-sandwiched composite tube |
| 02/01/2000 | US6020033 Reducing the corrosive chemical vapor permeability of a polyfluoroorgano resin substrate which comprises coating its outer surface with a vinylidene dichloride copolymer. |
| 02/01/2000 | US6019254 Beverage supply apparatus |
| 01/27/2000 | WO2000004319A1 Pipe cage |
| 01/27/2000 | WO2000004315A1 An improved plastic composite pipe with a wire-mesh as its skeleton and the method and device of making the same |
| 01/26/2000 | EP0974022A1 Improved pipe for conveying fluids such as petroleum products |
| 01/26/2000 | CN2360707Y Central air conditioning channel |
| 01/26/2000 | CN1242296A Method and equipment specially for mfg. stainless steel plastic composite tube |
| 01/25/2000 | US6016948 Method of forming pipe spigot ridge |
| 01/25/2000 | US6016849 Plastics pipe |
| 01/25/2000 | US6016848 Multilayer polytetrafluoroethylene |
| 01/25/2000 | US6016845 Composite spoolable tube |
| 01/20/2000 | DE19831898A1 Fluid conduit for fuel or fuel vapor, e.g. for use in the engine compartment of a motor vehicle |
| 01/19/2000 | EP0972980A2 High-pressure fiber reinforced composite pipe joint |
| 01/19/2000 | EP0972154A1 Composite structures having high containment strength |
| 01/19/2000 | EP0971812A1 Method and apparatus for making an extrusion product, and an extrusion product |
| 01/19/2000 | EP0743894B1 Process for producing corrugated multi-layer tubing having layers of differing plastic characteristics |
| 01/19/2000 | CN1241486A Corrugated synthetic resin pipe |
| 01/13/2000 | WO2000001765A1 Polymer composition for pipes |
| 01/12/2000 | EP0969958A1 Multi-layer plastic tube |
| 01/12/2000 | CN2358321Y Running water pipe |
| 01/12/2000 | CN2357851Y Centrifugal equipment for preparing composite steel pipe with ceramic inner lining |
| 01/11/2000 | US6012742 Piping |
| 01/11/2000 | US6012496 Fluoropolymer interior, adhesive, protective coating |
| 01/11/2000 | US6012480 Cover assembly for covering undersink piping utilizing sliding cover pieces |
| 01/06/2000 | WO1999057473A3 Multi-layer filler pipe for vehicle fuel tanks |
| 01/05/2000 | DE19843034A1 Kunststoffrohr Plastic pipe |
| 01/05/2000 | CN1048085C Hot gas pipe for conveying hydrogen containing gas and carbon oxide |
| 01/04/2000 | US6009912 Steel pipe with integrally formed liner and method of fabricating the same |
| 12/29/1999 | WO1999067560A1 Unbonded flexible pipes and method for the production thereof |