| Patents for F16L 9 - Rigid pipes (18,006) |
|---|
| 08/11/1987 | US4685829 Modular construction system for a covered structure |
| 08/11/1987 | CA1225209A1 Single-wall pipe of plastics or other mouldable material and method and apparatus for continuously extruding such pipes |
| 08/06/1987 | DE3634072A1 Pipeline consisting of metal, preferably of high-grade steel |
| 08/06/1987 | DE3603056A1 Pipe assembly comprising a plurality of plastic pipes |
| 07/28/1987 | US4682632 Crack stopping in pipelines |
| 07/14/1987 | US4679294 Method for making a trimetallic cylinder |
| 07/08/1987 | EP0228130A1 Apparatus for heating a hot-house |
| 06/30/1987 | US4676276 Preventing ductile fracture propagation; glass fibers in curable matrix |
| 06/23/1987 | US4674542 Double-wall welded tube |
| 06/10/1987 | EP0225202A1 Concrete pipe with an inner plastics coating and method of producing such a pipe |
| 06/09/1987 | US4671826 Method of processing tubing |
| 05/27/1987 | EP0222968A1 Sealing profile for tunnel tubes |
| 05/26/1987 | US4667702 Trim-to-length duct |
| 05/20/1987 | EP0222199A1 Tubular extruded articles and production thereof |
| 05/19/1987 | US4666186 Tubing |
| 05/13/1987 | EP0221860A1 Multi-component tubular structure for underwater conveyance of fluids |
| 05/13/1987 | EP0221125A1 Improvements in or relating to air ducts |
| 04/29/1987 | EP0219614A1 Use of hollow bodies with a laminated structure |
| 04/28/1987 | US4661396 Hard polyvinyl chloride segments are crosslinked |
| 04/21/1987 | CA1220651A1 Pipes resistant to hydrosulfuric acid |
| 04/16/1987 | DE3536379A1 Air duct, in particular in motor vehicles |
| 04/15/1987 | EP0217841A1 Fiber reinforced plastic pipe and centrifugal casting method for manufacturing same. |
| 04/14/1987 | US4657050 Layer of plastic foam covering layer of high density plastic; prevention of heat exchange in arctic permafrost |
| 04/14/1987 | US4657049 High mechanical strength; corrosion resistance; conducting gases, liquids, sluraies and particles |
| 04/09/1987 | WO1987001978A1 Multi-layer hollow body, process for its production and its application |
| 03/31/1987 | US4653541 Dual wall safety tube |
| 03/19/1987 | DE3532983A1 Structural part for ventilating lines |
| 03/17/1987 | US4650367 Internally reinforced extruded plastic pipe |
| 03/17/1987 | US4649960 Filament wound interlaminate tubular attachment |
| 03/11/1987 | EP0213674A1 A plastic pipe comprising an outer corrugated pipe and a smooth inner wall, and a method of repairing or renovating a sewage pipe |
| 03/04/1987 | EP0213097A2 Method and apparatus for making tubes or shafts having a low weight and low weight tubes or shafts made according to the method |
| 03/03/1987 | US4647326 Method of manufacturing a shape from a composite material |
| 03/03/1987 | US4647256 Method and apparatus for producing underground pipes |
| 03/03/1987 | US4646823 Pipe for utility or service systems |
| 02/24/1987 | US4644977 Stain resistance, wear resistance |
| 02/17/1987 | US4643927 Tubular, multi-layer film and method of making |
| 02/12/1987 | WO1987000904A1 A plastic pipe |
| 01/28/1987 | CN85105639A Method and equipment for wrapped forming and sealing of pipes |
| 01/21/1987 | EP0063580B1 Metallic clad capillary tubing |
| 01/15/1987 | DE3524733A1 Jointed pipe |
| 01/14/1987 | EP0208167A2 Method for producing hoses |
| 01/06/1987 | US4634314 Composite marine riser system |
| 01/06/1987 | US4633568 Method of manufacturing reinforced concrete pipe having an evenly distributed steel wire reinforcement |
| 12/30/1986 | EP0207015A2 Ventilated collector for a gas distribution network for domestic or other use |
| 12/30/1986 | EP0206825A2 Dual conduit |
| 12/16/1986 | US4628966 Synthetic resin pipe for underground use |
| 12/09/1986 | CA1214981A1 Composite laminate joint structure and method and apparatus for making same |
| 11/26/1986 | EP0202256A1 Method of construction for a covered structure. |
| 11/19/1986 | CN85103745A Improved pipe for building thermally insulated conduits and process for said building |
| 11/12/1986 | CA1213838A Filament wound interlaminate tubular attachment and method of manufacture |
| 11/12/1986 | CA1213837A Process for manufacturing bundled pipe assembly |
| 11/06/1986 | WO1986006574A1 Improvements in or relating to air ducts |
| 10/22/1986 | EP0198782A1 Concrete pipe with gripping rings |
| 10/07/1986 | US4615411 Sound-insulated flow duct and process for the manufacture thereof |
| 09/30/1986 | US4614208 Gaseous diffusion resistant tube |
| 09/25/1986 | WO1986005436A1 Fiber reinforced plastic pipe and centrifugal casting method for manufacturing same |
| 09/24/1986 | EP0195154A1 Water reactor fuel cladding tubes |
| 09/17/1986 | CN85105541A Reinforced conventional concrete pipe having an evenly distributed steel wire reinforcement and method for its manufacture |
| 09/16/1986 | US4611636 Reinforced underground pipe |
| 09/10/1986 | EP0193524A1 Pipe. |
| 09/09/1986 | CA1211077A1 Method of mechanically prestressing a tubular apparatus |
| 09/03/1986 | EP0192961A1 Foil based on a vinyl chloride polymer and its use in the production of rigid tube-like bodies |
| 09/03/1986 | CN85106811A Water reactor fuel cladding |
| 08/27/1986 | EP0192274A1 Process for manufacturing composite pipes |
| 08/27/1986 | CN85109672A Complex pipe, its mfr. method and heat pipe using the pipe |
| 08/20/1986 | CN86100816A Composite pipe and method for manufacturing the same |
| 08/12/1986 | US4605385 Fibre reinforced plastics power transmission shaft |
| 08/12/1986 | CA1209495A1 Apparatus and method for arresting ductile fracture propagation |
| 08/12/1986 | CA1209493A1 Flexible tubing and apparatus for and method of manufacturing same |
| 08/06/1986 | EP0189671A1 Dual wall composite mooring element for deep water offshore structures |
| 07/30/1986 | EP0188784A1 Composite pipe, process for producing the same, and heat pipe using the same |
| 07/30/1986 | EP0188487A1 Large cross-section sunken conduit. |
| 07/29/1986 | CA1208573A1 Method of making a wire supported hose and a wire supported hose |
| 07/15/1986 | CA1207678A1 Adjustable tubular wall structure for connectors and the like |
| 07/10/1986 | EP0173693A4 Method of and means for forming and sealing helically wound tubes. |
| 07/09/1986 | EP0186725A2 Shaped PVC article |
| 07/08/1986 | US4598856 Process for making bimetallic seamless tubing of steel or special alloys for extrusion |
| 06/24/1986 | US4596491 Internally reinforced extruded plastic pipe |
| 06/11/1986 | EP0184513A1 Low-pressure hose, in particular for conveying a cooling fluid |
| 06/10/1986 | US4593853 Plastic pipe having an oxygen-impermeable casing |
| 06/04/1986 | EP0183656A2 A reinforced conventional concrete pipe having an evenly distributed steel wire reinforcement and method for its manufacture |
| 05/27/1986 | US4591193 Line pipe of synthetic material especially for waste water |
| 05/27/1986 | CA1205008A1 Electrode supporting conduit tube for electrical heating of underground hydrocarbon resources |
| 05/27/1986 | CA1204992A1 Conduct pipe covered with electrically insulating material |
| 05/22/1986 | WO1986002967A1 System of modular construction for a covered structure |
| 05/20/1986 | US4589801 Composite mooring element for deep water offshore structures |
| 05/20/1986 | US4589562 Structures reinforced by a composite material |
| 05/13/1986 | US4588459 Bonded with coner layer on external surfaces |
| 05/10/1986 | CN85108475A Sprinkler line for localized irrigation |
| 04/29/1986 | CA1203758A1 Metal reinforcing strips |
| 04/24/1986 | WO1986002423A1 Pipeline, method and device for construction thereof |
| 04/23/1986 | EP0178404A1 Metal pipe with protection against corrosion and method for its production |
| 04/16/1986 | EP0178248A2 Steel pipe as a crack stopper for gas main |
| 04/15/1986 | US4582164 Method and apparatus for noise reduction |
| 04/15/1986 | US4581804 Method for making insulated pipe |
| 04/09/1986 | EP0177475A2 Pipeline cable for use under water |
| 04/02/1986 | EP0175768A1 Structures reinforced by a composite material |
| 03/25/1986 | CA1202442A1 Pipes made of polypropylene reinforced with carbon fibers |
| 03/19/1986 | EP0174611A2 Laminated pipe and its use |
| 03/18/1986 | CA1201985A1 Tubular member |