| Patents for F16L 9 - Rigid pipes (18,006) |
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| 06/20/2000 | US6076561 Heat insulated hose |
| 06/20/2000 | US6076249 Method of making a tube for use in a vibratory finishing machine |
| 06/20/2000 | CA2105262C Adjustable pipe fitting |
| 06/15/2000 | WO2000034705A1 Service riser |
| 06/15/2000 | CA2350554A1 Service riser |
| 06/14/2000 | EP0852681B1 Hydraulic circuit with integrated unpressurized return flow |
| 06/14/2000 | EP0741848B1 Pipes for systems used in motor vehicles and process for producing the same |
| 06/14/2000 | CN2382928Y Plastic-steel composite pressure pipe |
| 06/14/2000 | CN2382927Y 塑料复合管 Plastic composite pipe |
| 06/13/2000 | US6073658 Elbow for conveying particulate matter |
| 06/13/2000 | US6073657 Method for producing homogeneous material with an extruder, an extruder, and a multilayer plastic pipe |
| 06/11/2000 | CA2290008A1 Pipe with filament wound fiber preform and method of producing same |
| 06/08/2000 | WO2000032974A1 Thermoplastic multilayer water transmission tube |
| 06/07/2000 | EP1005576A1 Ferritic alloy for constructions |
| 06/07/2000 | EP0759136B1 Extruded multiple plastic layer coating bonded to a metal tube and process for making the same |
| 06/07/2000 | CN2381865Y 钢塑复合管 Plastic composite pipe |
| 06/07/2000 | CN2381864Y Plastic-metal composite pipe |
| 06/07/2000 | CN2381863Y Antiscaling wear-resisting composite pipe |
| 06/07/2000 | CN1255512A Products having anti-static function |
| 06/06/2000 | US6070618 High pressure fuel injection pipe and a method of manufacturing the same |
| 06/02/2000 | WO2000031457A1 Pipe coupling having same outer diameter as pipe |
| 05/31/2000 | EP1004803A2 Pressure tube made of prestressed concrete |
| 05/31/2000 | EP1004618A1 Articles having antistatic properties |
| 05/31/2000 | EP1004515A2 Method of forming a headed thermoplastic tube with a reusable closure |
| 05/31/2000 | EP0960296A4 Double containment pipe sections |
| 05/31/2000 | DE19854819A1 Hohler Artikel mit antistatischen Eigenschaften Hollow articles with antistatic properties |
| 05/31/2000 | CN2380774Y Composite stainless-steel pipe |
| 05/31/2000 | CN1053036C Joint of fibre reinforced compound meterial pipes and its compound material pipe |
| 05/31/2000 | CN1052850C Multipurpose steel and plastic composite material support |
| 05/30/2000 | US6068902 Composite shell shaped as a body of revolution, and panel connection joint |
| 05/25/2000 | WO2000029162A2 Bonding of steel strips in steel strip laminate pipe |
| 05/24/2000 | EP1002980A2 Fuel transporting tube |
| 05/24/2000 | EP1002978A1 Multilayer tube for the transport of highly solvent chemical products |
| 05/24/2000 | EP1002977A2 Multi-layer fuel and vapor tube |
| 05/24/2000 | EP1002139A1 Steel alloy for compound tubes |
| 05/24/2000 | CN2379681Y Contact welding type steel plastic composite tube |
| 05/24/2000 | CN2379680Y Spiral corrugated pipe |
| 05/24/2000 | CN2379679Y Overlapping and winding type steel plastic composite tube |
| 05/24/2000 | CN1254068A Composite tubular material with triangular cavity structure |
| 05/24/2000 | CN1052785C Glass fiber reinforced plastic-thin wall stainless compound pipe and making method thereof |
| 05/23/2000 | US6066373 Elastomeric yarn support tube and method of making same |
| 05/23/2000 | US6065540 Composite coiled tubing apparatus and methods |
| 05/18/2000 | WO2000028249A1 Method of making a pipe, and a pipe |
| 05/18/2000 | CA2348423A1 Method of making a pipe, and a pipe |
| 05/17/2000 | CN2378604Y Steel plastic compound tube |
| 05/17/2000 | CN2378603Y Stainless steel plastic compound tube |
| 05/16/2000 | US6062270 Double-walled structure in a ventilation duct system |
| 05/10/2000 | EP0998994A2 Multi-wall tube |
| 05/10/2000 | CN2377417Y Steel-plastics composite pipe |
| 05/10/2000 | CN2377416Y 水管 Pipes |
| 05/10/2000 | CN1252752A Metal tube coated with multiple layer of polymeric material |
| 05/10/2000 | CN1252738A Modular filtration systems and methods |
| 05/10/2000 | CN1252505A Multiple wall pipe |
| 05/10/2000 | CN1252345A Aluminium-plastic composite pipe molding device |
| 05/04/2000 | WO2000025056A1 Cast formed part |
| 05/04/2000 | WO2000024821A1 High mixture-quality bi-modal polyethylene blends |
| 05/04/2000 | WO2000024566A1 Hollow solid generated by rotation and method for making same |
| 05/04/2000 | DE19849426A1 Bimodale Polyethylen-Blends mit hoher Mischgüte Bimodal polyethylene blends with high mixing quality |
| 05/04/2000 | CA2347147A1 Hollow solid generated by rotation and method for making same |
| 05/03/2000 | CN2376564Y Structure-improved water pipe |
| 05/03/2000 | CN1252180A Improvements in conduit systems |
| 05/02/2000 | US6057017 Maleic anhydride-modified polyolefin layer and a polyolefin layer formed one upon another on the external surface of a steel pipe, antioxidants |
| 05/02/2000 | US6056021 Duct joint structure, assembly tool, duct assembly method and hanger |
| 05/02/2000 | US6056019 Apparatus for acoustically isolating a high pressure steam pipe in a flooded structure |
| 04/28/2000 | CA2282143A1 Multi-wall tube |
| 04/27/2000 | DE19849142A1 Sub-surface concrete water pipe supported at ends in concrete muffs simplifying manufacture and installation, muffs being made of two halves bolted together |
| 04/26/2000 | CN2375841Y 钢管 Pipe |
| 04/26/2000 | CN2375840Y 不锈钢板网式筛管 Stainless steel net screens |
| 04/26/2000 | CN2375839Y Pressure anti-leak variable buoyancy oil delivery floating pipe |
| 04/25/2000 | US6053214 Oriented polymeric products |
| 04/25/2000 | US6053213 Flexible pipe for great depths |
| 04/20/2000 | WO2000022341A1 Superinsulation support system |
| 04/20/2000 | WO2000022338A1 Connection device for constructing an underwater system for transporting fluid, energy or signals |
| 04/20/2000 | WO2000022335A1 Installation conduit for constructing an underwater transport system for fluid, energy or signals |
| 04/20/2000 | WO2000022334A1 Composite high-pressure pipe and method of joining same |
| 04/20/2000 | WO2000022332A1 Blocking device for constructing an underwater system for transporting fluid, energy or signals |
| 04/20/2000 | WO2000022331A1 Traction device for constructing an underwater system for transporting fluid, energy or signals |
| 04/20/2000 | WO2000022330A1 Assembly for constructing an underwater system for transporting fluid, energy or signals |
| 04/20/2000 | CA2346566A1 Installation conduit for constructing an underwater transport system for fluid, energy or signals |
| 04/20/2000 | CA2346565A1 Assembly for constructing an underwater system for transporting fluid, energy or signals |
| 04/20/2000 | CA2346560A1 Traction device for constructing an underwater system for transporting fluid, energy or signals |
| 04/19/2000 | EP0993372A1 Multilayer structure based on polyamides and tube or conduit with multilayer structure |
| 04/19/2000 | CN2374719Y Improved steel-plastic compound tube |
| 04/19/2000 | CN2374718Y Combined flue pipe |
| 04/19/2000 | CN1250855A Synthetic resin tube with joint |
| 04/18/2000 | US6051638 Prepared by dry blending and extrusion; where the walls of the pipe comprise polyolefin of specific density which has been nucleated with bis(3,4-dimethylbenzylidene) sorbitol of given particle size; long term hydrostatic strength |
| 04/18/2000 | US6051323 Layer of a polyamide having a lengthy aliphatic chain segment and a tielayer of a polyamide having a short aliphatic chain segment |
| 04/13/2000 | WO2000020807A2 Multichannel flat tube |
| 04/13/2000 | CA2312149A1 Multichannel flat tube |
| 04/12/2000 | EP0729409A4 Metal pipe with integrally formed liner and method of fabricating the same |
| 04/12/2000 | CN2373657Y Oil pipe plated with nickel-phosphorus composited coat |
| 04/12/2000 | CN2373656Y Conical cast stone abrasion-resistant composited tube |
| 04/12/2000 | CN2373655Y Improved sprinkling irriation aluminium pipe mouth |
| 04/11/2000 | US6048428 Pipe construction |
| 04/06/2000 | WO1999057471A3 Abrasion resistant pipe |
| 04/06/2000 | DE19845336A1 Mehrkanal-Flachrohr Multi-channel flat tube |
| 04/05/2000 | EP0990828A2 Flat pipe with multichannel arrangement |
| 04/05/2000 | EP0990101A1 Pipe for dangerous fluids and process for manufacturing the same |
| 04/05/2000 | CN2372529Y Pipe body |
| 04/04/2000 | US6046404 Subsea control cable |