Patents for F16L 9 - Rigid pipes (18,006) |
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09/06/1995 | EP0670019A1 Self locking slitted corrugated tubing |
09/06/1995 | CN1107929A Oil well pipe and method for making the same background of the invention |
09/05/1995 | US5447390 Process for manufacturing a variable stiffness line and associated element |
09/05/1995 | CA1336865C Welded corrosion-resistant ferritic stainless steel tubing and a cathodically protected heat exchanger containing the same |
08/31/1995 | WO1995023036A1 Fluoropolymer composite tube and method of preparation |
08/30/1995 | EP0668978A1 Multilayer fire protective coating. |
08/29/1995 | CA2038806C Process and device for applying a detector wire in a cable duct |
08/24/1995 | WO1995022712A1 Cold-formable composite pipe |
08/24/1995 | CA2182996A1 Cold-formable composite pipe |
08/23/1995 | EP0668145A1 Method and apparatus for producing a plastic pipe and a plastic pipe |
08/22/1995 | CA2143069A1 Method and apparatus for producing a plastic pipe and a plastic pipe |
08/17/1995 | WO1995021640A1 Elastic guide catheter transition element |
08/16/1995 | EP0667482A1 Branch pipe or pipe made of cast iron or steel |
08/16/1995 | CN2205482Y 橡塑金属复合管道 Rubber and metal composite pipes |
08/15/1995 | US5441780 Paper tube with integral end supports |
08/15/1995 | US5441241 Knuckle for welding of safety hand railings |
08/10/1995 | WO1995021051A1 Process for producing corrugated multi-layer tubing having layers of differing plastic characteristics |
08/09/1995 | CN1106513A Laminated resin and fibre pipe and its mfg. method |
08/03/1995 | DE4402372A1 Washing fluid feed line for washing plant |
08/02/1995 | EP0665404A1 A gas transport hose |
08/02/1995 | EP0665366A1 Double wall exhaust pipe |
08/02/1995 | EP0664864A1 Corrugated multilayer tubing having at least one fluoroplastic layer |
08/02/1995 | EP0664863A1 Corrugated multilayer tubing having at least two dissimilar polymeric materials |
08/02/1995 | EP0664862A1 Manufacture of helically corrugated conduit |
08/01/1995 | CA2064939C Ultra-high molecular weight polyethylene thin-wall pipe, and method of and apparatus for manufacturing the same |
07/20/1995 | WO1995019522A1 Pipes for systems used in motor vehicles and process for producing the same |
07/20/1995 | WO1995019521A1 Dual containment pipe and method of installation |
07/20/1995 | CA2181599A1 Dual containment pipe and method of installation |
07/18/1995 | US5433252 Fluid containing coaxial tube for control systems |
07/13/1995 | WO1995018936A1 Reinforced flexible corrugated tubing |
07/13/1995 | DE4437380A1 Twin=walled exhaust pipe - comprises two shanks joined by bend and inner pipe has two sections connected by sliding joint in one shank and inner pipe support is in bend |
07/13/1995 | CA2180940A1 Reinforced flexible corrugated tubing |
07/12/1995 | EP0662579A1 Pre-fabricated insulation tube |
07/12/1995 | EP0662564A1 Air gap insulation exhaust pipe and method of construction |
07/11/1995 | US5431748 Impact bar for automobile |
07/06/1995 | WO1995018275A1 Joint structure and joint method for a concrete structure |
07/06/1995 | CA2156731A1 Joint structure and joint method for a concrete structure |
07/05/1995 | CN2202838Y Plastics and steel wire weaving composite pipe |
06/29/1995 | WO1995017575A1 Drill pipe |
06/28/1995 | CN1104310A Double-wall composite pipe and coupling structure assembly and method and apparatus for making same |
06/28/1995 | CN1029153C Wear-resistant and corrosion-resistant composite steel pipe and its production method |
06/22/1995 | WO1995016838A1 Scaffold system |
06/22/1995 | DE4445083A1 Elastische Ummantelungen aus Poly(trifluorethen), ihre Herstellung und ihre Verwendung, besonders für Metallwellschläuche Elastic sheaths of poly (trifluorethen), their preparation and their use, particularly for flexible metal tubes |
06/22/1995 | DE4343405A1 Heat exchange tube for tube cluster heat exchanger |
06/21/1995 | CN2201554Y Thermal insulating rubber tube |
06/20/1995 | US5425817 Transporting chemicals |
06/18/1995 | CA2138355A1 Flexible polytrifluoroethylene jacket and its application to metal hoses |
06/18/1995 | CA2111724A1 Scaffold system |
06/15/1995 | WO1995016159A1 Hollow reinforcing members and composites containing the same |
06/14/1995 | DE4404492A1 Multilayer composite tube for hot water, sanitary applications etc. |
06/08/1995 | WO1995015458A1 A coated spiral duct as well as a method and an apparatus for the production thereof |
06/08/1995 | WO1995015406A1 Ultrapure gas and pure water feed duct, system and process equipment |
06/08/1995 | WO1995015245A1 Centrifugally cast pipe |
06/08/1995 | WO1995015239A1 Dual bias weld for continuous coiled tubing |
06/07/1995 | CN2200092Y Polyethylene clad steel pipe with rubber coating aluminium foil layer |
06/06/1995 | US5421938 Circular duct and apparatus and method of fabrication |
05/30/1995 | US5419374 Polyamide-based tube for a gasoline transport |
05/26/1995 | WO1995013917A1 Metal pipe with integrally formed liner and method of fabricating the same |
05/24/1995 | DE4405382C1 Burner pipe for burners in industrial furnaces |
05/24/1995 | CN2198487Y High strength rear resistance composite pipe |
05/24/1995 | CN1028559C Wearing-proof compound tube and its manufacture method |
05/23/1995 | US5417997 Process of making reinforced porous pipe |
05/23/1995 | US5417561 Apparatus for manufacturing of ultra high molecular weight polyethylene thin wall pipe |
05/17/1995 | CN2197542Y Iron and copper composite pipe |
05/16/1995 | US5415242 Process and device for making an electrically conducting connection between cable ducts |
05/16/1995 | US5415203 Pipe having temperature display chips that change color |
05/16/1995 | CA2045937C Reusable core for paper rolls |
05/11/1995 | WO1995012779A1 Secondary containment flexible underground piping system |
05/10/1995 | CN2196720Y Stain-less steel composite steel-pipe |
05/09/1995 | CA2036390C A pipe joint for driving pipes laid underground by the driving technique |
05/04/1995 | DE4438139A1 Thermisch heizbare Leitung Thermally heated line |
05/03/1995 | EP0650756A1 Support cage for fiber glass tube filter for filtering gas |
05/02/1995 | US5411060 Composite pipe |
04/27/1995 | DE4335722A1 Process and apparatus for the production of a pipe-within-a-pipe line |
04/26/1995 | EP0650004A1 Multilayered plastic hose |
04/26/1995 | EP0649739A1 Multilayered plastic hose |
04/26/1995 | CA2114503A1 Multilayer plastic pipe |
04/20/1995 | WO1995010872A1 Flexible duct for underground cable |
04/19/1995 | EP0648966A2 Weldable plastic pipe, especially for gas and fluid conduits |
04/19/1995 | EP0648855A1 Production method for seamless pipes of non-ferrous metals, in particular copper and copper alloys |
04/18/1995 | US5406983 Corrosion-resistant composite couplings and tubular connections |
04/13/1995 | WO1995009999A1 Fluid line |
04/13/1995 | DE4434818A1 Flue-pipe column with pipe socket |
04/12/1995 | EP0632873A4 Water conserving wastewater disposal system. |
04/11/1995 | US5404915 Multilayer plastic pipe |
04/06/1995 | WO1995009081A1 Multiply polymer pipe |
04/06/1995 | DE4408444C1 Pipe or hollow profile with special strength properties along with a low weight, and process for the production thereof |
04/06/1995 | DE4333274A1 Reinforced-concrete pipe with interior anchor rail |
04/05/1995 | EP0646685A1 Concrete column forming tube having a smooth inside coated surface and method of making same |
04/05/1995 | CN2193953Y Mine compound tube |
04/04/1995 | US5402830 Thermal pipe guard |
04/04/1995 | US5402829 Structure for high-pressure fuel injection tube and method of manufacturing the same |
03/30/1995 | DE4332775A1 Process for moulding an insertion sleeve onto a pipeline section |
03/30/1995 | DE4332774A1 Pipeline section produced from polyethylene by extrusion |
03/29/1995 | EP0645571A1 Extruded pipe end made from polyethylene and method for producing same |
03/29/1995 | EP0644990A1 Multi-layer fuel and vapor tube |
03/29/1995 | EP0644979A1 Method and apparatus for inspecting subsurface environments |
03/28/1995 | US5401301 Device for the transport of materials and electrostatic precipitation |
03/28/1995 | US5400828 Double-containment piping supports for improved annulus flow |
03/16/1995 | WO1995007428A1 Thermoplastic composite pipe |