| Patents for F16L 9 - Rigid pipes (18,006) |
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| 03/15/1995 | EP0643248A1 Fiber reinforced plastics pipe and process for producing the same |
| 03/14/1995 | US5397654 Abrasion-resistant welded steel pipe |
| 03/09/1995 | WO1995006838A1 Acoustically inactive corrugated structure |
| 03/09/1995 | DE4430980A1 Rohrförmiges Teil The tubular part |
| 03/08/1995 | EP0641915A2 Oil well pipe and method for making the same |
| 03/02/1995 | DE4400811C1 Pipeline for systems in motor vehicles and production process |
| 02/28/1995 | US5393587 Curved honeycomb structural bodies |
| 02/28/1995 | US5393260 Flexible double wall vent pipe |
| 02/23/1995 | WO1995005555A1 A thin-wall polytetrafluoroethylene tube |
| 02/22/1995 | EP0639717A1 Pyroelectrical container |
| 02/21/1995 | US5390705 Layered tubing for use in a motor vehicle |
| 02/21/1995 | US5390704 Synthetic resin pipe including cylindrical inner wall and a spirally extending corrugated outer wall |
| 02/15/1995 | EP0638755A1 Muffler device for a gas stream |
| 02/15/1995 | EP0638749A1 Improvements in or relating to pipes |
| 02/15/1995 | CN2189683Y Direct-buried composite insulating pipe |
| 02/09/1995 | DE4323838A1 Process for producing a multilayered conduit |
| 02/08/1995 | EP0637509A1 A tube for fuel transportation |
| 02/08/1995 | EP0637282A1 Thermoplastic syntactic foam pipe insulation |
| 02/02/1995 | WO1995003164A1 Porous tube of fiber-reinforced plastic and method of manufacturing the same |
| 02/02/1995 | DE4321267C1 Seal for stoneware pipes, and production process therefor |
| 02/01/1995 | EP0636505A1 Filler unit for a fuel tank, particularly for a motor-vehicle |
| 02/01/1995 | EP0636225A1 Multi-layer fuel and vapor tube |
| 02/01/1995 | CN2188686Y Hydrophobic pearlite insulation tube with glass fibre reinforced plastic |
| 01/31/1995 | US5385174 Pressure-resistant helical corrugated pipe |
| 01/26/1995 | WO1995002779A1 Plastic profiled strip forming helically wound tube using hinged flap for jointing |
| 01/26/1995 | CA2166213A1 Plastic profiled strip forming helically wound tube using hinged flap for jointing |
| 01/25/1995 | EP0635667A1 Method for laying underwater pipelines in deep water |
| 01/25/1995 | EP0635108A1 Multilayer plastic duct. |
| 01/24/1995 | US5383994 Method for making a double wall fire proof duct |
| 01/19/1995 | DE4324051A1 Pipeline system for transporting district heat |
| 01/18/1995 | EP0634597A1 Pipe, having a high impermeability in relation to hydrocarbons |
| 01/18/1995 | EP0633835A1 Elongate plastic member assembly and method and apparatus for making the same. |
| 01/17/1995 | US5383087 Chemical resistant, for automobiles |
| 01/17/1995 | US5382399 Method for the production of fluorinated resin tubes, particularly of polytetrafluoroethylene |
| 01/11/1995 | EP0632873A1 Water conserving wastewater disposal system |
| 01/11/1995 | EP0632871A1 Environmentally safe underground piping system |
| 01/11/1995 | CN2187248Y Pipe |
| 01/11/1995 | CN2187247Y Coupling stub for buterfly bamper |
| 01/10/1995 | US5379806 Fiber glass air duct with coated interior surface containing an organic biocide |
| 01/10/1995 | CA2104135A1 A method of forming a pipe for deeply submerged applications |
| 01/05/1995 | DE4324522C1 Apparatus and process for producing storey-high chimney elements |
| 01/05/1995 | DE4321241A1 Use of steel pipes or bars for manufacturing chassis stabilisers for motor vehicles |
| 01/04/1995 | EP0632223A1 Copier pipe having a plastic coating |
| 01/03/1995 | US5378023 Pipe connection, particularly on composite pipes |
| 12/28/1994 | CN2186339Y Steel-rubber compound tube with welding joint |
| 12/28/1994 | CN2186123Y Device for manufacturing compound tube by hydraulic expanding join |
| 12/22/1994 | WO1994029626A1 Petrol supply tube |
| 12/14/1994 | EP0628143A1 Channel system with a cross-section with rounded corners and method for manufacturing elements therein. |
| 12/14/1994 | CN2185359Y Spigot-and-socket jointed internal corrosion-proof steel pipe parts and joints thereof |
| 12/07/1994 | EP0627589A1 Bioriented polyethylene pipe |
| 12/07/1994 | EP0627027A1 Method and apparatus for manufacturing and laying out an umbilical |
| 12/07/1994 | CN2184834Y Metal skeleton and plastic composite pipeline |
| 12/07/1994 | CN1096087A Layer tube and fabrication of the layer tube, particularly for mining purposes |
| 12/05/1994 | EP0637282A4 Thermoplastic syntactic foam pipe insulation. |
| 11/30/1994 | EP0626050A1 Fibre-reinforced plastic pipe |
| 11/30/1994 | EP0606349A4 Helically wound reinforced ribbed composite structure. |
| 11/29/1994 | CA2049087C Method for producing a composite pipe |
| 11/24/1994 | WO1994027082A1 Inner lining for air conditioning duct |
| 11/24/1994 | WO1994026986A1 Apparatus for joining structural components |
| 11/24/1994 | WO1994026426A1 Pipe coating |
| 11/23/1994 | EP0625251A1 Pipe construction |
| 11/23/1994 | CN2183485Y Composite pipeline |
| 11/16/1994 | CN2182917Y Nucleated glass tube members |
| 11/16/1994 | CN2182916Y Rubber and plastic tube with steel and plastic reinforced |
| 11/11/1994 | CA2095873A1 Air duct and paper therefor |
| 11/10/1994 | WO1994025790A1 Reinforced lining hose |
| 11/10/1994 | DE4315177A1 Pipeline of plastic |
| 11/10/1994 | DE4314953A1 Concrete pipe, in particular slit concrete pipe or slit concrete gutter |
| 11/08/1994 | US5362528 Multi-layer pipe conduit having components of plastic material, inorganic filler material and glass fibers |
| 11/04/1994 | CA2121711A1 Reinforced lining hose |
| 11/02/1994 | CN2181609Y High strength corrosion-proof drain pipe |
| 10/19/1994 | EP0619864A1 Plastic fluid duct |
| 10/19/1994 | CN1093785A Pipe construction |
| 10/12/1994 | CN2179516Y Multifunctional compound ventilation duct |
| 10/12/1994 | CN2179515Y Plastic steel compound pipe having dging steel pipe cooperated with flange |
| 10/12/1994 | CN2179514Y Helical traveling-wave tube |
| 10/12/1994 | CN1093452A Composite tubular products, especially gasoline pipe and manufacture of same |
| 10/05/1994 | EP0618391A2 Fluid conduit made of plastic |
| 10/05/1994 | EP0618390A1 Multi-layered plastic pipe |
| 10/05/1994 | EP0618356A2 A multi-layer plastic pipe |
| 10/05/1994 | CN2178824Y High-temp.-resisting vacuum thermal insulating pipe |
| 10/05/1994 | CN1093151A Double-layer insulating plastic pipe |
| 09/30/1994 | CA2092897A1 Triple-wall tubular element |
| 09/28/1994 | EP0617219A2 Use of plastic materials having barrier layers as reinforcement in vehicle conduits |
| 09/28/1994 | EP0616671A1 Composite metal tube and method of making the same |
| 09/28/1994 | CN2178317Y Sewage, culvert compound type corrugated pipe |
| 09/21/1994 | EP0616042A1 Steel product excellent in sulfide cracking resistance |
| 09/20/1994 | US5348213 Method for the manufacture of internally enhanced welded tubing |
| 09/14/1994 | CN2177151Y Seamless oblique (straight) pipe |
| 09/14/1994 | CN2177150Y Glass fibre reinforced plastic rubber composite slurry convey pipe |
| 09/07/1994 | EP0613419A1 Tube |
| 09/06/1994 | CA1331829C Method for producing multi-layer pipe conduit components of plastic material, inorganic filler material and glass fibers, and pipe conduit component produced by the stated method |
| 09/01/1994 | WO1994019640A1 Piping element for burried conduit, corresponding burried conduit, and method for protecting said piping element |
| 09/01/1994 | DE4305922A1 Extruded element of plastic |
| 08/31/1994 | CN2175863Y Hot winding polyvinyl composite steel-pipe |
| 08/31/1994 | CN1091505A Inorganic compound material pressure pipe and forming technology |
| 08/26/1994 | CA2095758A1 Corner clips for horizontal framing |
| 08/25/1994 | DE4405235A1 Process and apparatus for forming ribs with lateral bulges on a plastics pipe, and a plastics pipe |
| 08/24/1994 | CN2175339Y Sanwich compound material tube |
| 08/23/1994 | USRE34701 Mixing in iron oxide or barium ferrite |