| Patents for F16L 11 - Hoses, i.e. flexible pipes (15,317) |
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| 08/01/1990 | CN2059954U Simple composite layer water hose |
| 07/25/1990 | EP0259323B1 Hose for the irrigation of plants |
| 07/25/1990 | EP0250278B1 Filler and buoyancy material, method for its production and tubular constructions incorporating this material |
| 07/24/1990 | US4942906 Rubber hose |
| 07/24/1990 | US4942905 Composite hose construction |
| 07/18/1990 | EP0378481A1 Gastight tube without expiration date, and manufacturing process |
| 07/18/1990 | EP0378335A1 Tube having holes and method for manufacturing the same |
| 07/18/1990 | CN1043902A Tube having holes and method for manufacturing the same |
| 07/17/1990 | US4942070 Thermoplastic polymer, crystal structure |
| 07/12/1990 | WO1990007463A1 Apparatus for pneumatic transportation of a particle material |
| 07/12/1990 | DE3941617A1 Oil resistant hose - has protective layer sprayed or extruded on EPDM core and cover |
| 07/04/1990 | CN1043552A Light drainage and suction flexible hose |
| 07/03/1990 | US4938908 Flexible tube of thermoplastic resin having poor melt flowability and production method and apparatus thereof |
| 06/27/1990 | EP0374597A2 High performance composite hose |
| 06/14/1990 | WO1990006467A1 Plastic part for combustible media with flame protection and process for manufacturing it |
| 06/07/1990 | DE3840750A1 Kunststoffteil fuer brennbare medien mit flammschutz und verfahren zu dessen herstellung Plastic part for combustible media with flame retardant and process for its manufacture |
| 06/07/1990 | DE3840721A1 Sanitary hose and process for producing a sanitary hose |
| 06/07/1990 | DE3840584A1 Pressure hose with braiding insert of flat-strip material |
| 06/05/1990 | US4931326 Reinforced flexible plastic tubing and methods of manufacture |
| 05/31/1990 | DE3938678A1 Hose resisting high temp. in flames - consists of inner and outer layer with non-flammable middle layer |
| 05/30/1990 | EP0370134A1 Sanitary plastic hose |
| 05/29/1990 | US4928735 Reinforced strip and flexible hoses produced therewith |
| 05/29/1990 | US4928734 Reinforced strip and flexible hoses produced therewith |
| 05/23/1990 | EP0369513A2 Pressure hose with a reel and coupling adapted thereto |
| 05/23/1990 | DE3840599C1 Hose which is wound helically from a strip-like web of material, and process for the production thereof |
| 05/22/1990 | US4927191 Adjustable tubular wall structure for connectors and the like |
| 05/22/1990 | US4926909 Intersticed nipple for elastomeric hose |
| 05/17/1990 | WO1990005266A1 Method for heating a transport pipeline, as well as transport pipeline with heating |
| 05/16/1990 | EP0368096A2 Apparatus for producing tubing having interrupted helical ribs |
| 05/15/1990 | US4925710 Ultrathin-wall fluoropolymer tube with removable fluoropolymer core |
| 05/15/1990 | US4925452 Multiple conduit drainage device |
| 05/09/1990 | EP0367014A2 Shape memory hollow body and method of working the same |
| 05/09/1990 | EP0210271B1 Flexible corrugated hose with ring-shaped parallel waves with axial support |
| 05/08/1990 | US4923223 Kink impeding hose for spraying water |
| 05/03/1990 | DE3837121A1 Injection hose or tube |
| 05/02/1990 | EP0366471A1 Composite hose construction |
| 04/19/1990 | WO1990004128A1 A composite hose |
| 04/19/1990 | DE3900821C1 Fluid-carrying hose line for a motor vehicle |
| 04/17/1990 | CA1267983A1 Poly(vinylidene fluoride) composition having an improved behaviour when contacted with hydrocarbons; its use for producing oil industry tubing |
| 04/11/1990 | CN1041128A Plastic pipe body of thermoplastic material connected with sealing body of thermoplastic elastomer, pipe part or fitting connected with such plastic pipe body and method and mould for manufacturing |
| 04/11/1990 | CN1007551B Plastic corrugated tube with integrally molded sleeve coupler |
| 04/10/1990 | US4915762 Braiding filaments around inner tube |
| 04/10/1990 | US4915425 Pipe connecting element |
| 04/03/1990 | US4913657 Coupling for fire hose with built-in communication cable |
| 03/28/1990 | EP0360758A2 Method for producing conduit parts of plastics, an inorganic filler and glass fibres by centrifugal casting, and conduit part produced by this method |
| 03/27/1990 | US4911206 Supported flexible thin-walled tube structure |
| 03/22/1990 | WO1990002901A2 Pressure hose with matching hose drum and matching coupling piece |
| 03/22/1990 | WO1990002900A1 Improved spiral piping |
| 03/21/1990 | EP0359688A1 Spirally shaped pipeline |
| 03/21/1990 | CN1007288B Double tubing comprising two protective tubes integrally joined to one another by web |
| 03/20/1990 | CA1266818A1 Compounded polychloroprene formulations used as an adhesive layer in manufacture of elastomeric articles |
| 03/14/1990 | EP0358307A2 Foamed tubing |
| 03/13/1990 | US4907957 Molding apparatus for forming a parison and product of differing materials |
| 03/13/1990 | US4907625 Refregerant transporting hose |
| 03/08/1990 | WO1990002286A1 Conduit liner assembly and method for installation |
| 03/07/1990 | EP0356911A2 Hose for the renovation of conduits, especially sewers |
| 03/06/1990 | US4905736 Hose construction |
| 03/06/1990 | US4905735 Refrigerant transporting hose |
| 03/06/1990 | US4905734 Refrigerant transporting hose |
| 03/01/1990 | DE3927961A1 Elastomer tube to clean out sewage pipes - consists of inner plastic tube surrounded by outer corrugated covering which contains spiral wire embedded in cushioning material |
| 03/01/1990 | DE3923868A1 Fire extinguishing agent container - has container wall-connected fitting carrying spirally wound flexible metal hose |
| 02/28/1990 | CN1040088A Tube useful for transporting fluids capable of varying its volume and in particular its length |
| 02/27/1990 | US4903735 Pipe usable particularly for transporting fluids and allowing the permeability to the fluids transported to be limited |
| 02/22/1990 | WO1990001654A1 Kink impeding hose for spraying water |
| 02/13/1990 | US4900314 Collapse-resistant tubing for medical use |
| 02/13/1990 | US4899787 Flexible tube for endoscope |
| 02/07/1990 | EP0354089A1 Tube for transporting fluids susceptible to change its volume and especially its length, with structure on which it is fitted |
| 02/07/1990 | EP0353795A1 Method for making a self-supporting flexible hose, devices for effecting this method and self-supporting flexible hose |
| 02/07/1990 | EP0289492B1 Flexible tubing |
| 02/06/1990 | US4898212 Fatigue resistant hose |
| 01/31/1990 | CN1039196A Method for making self-supporting flexible hose, devices for effecting this method and self-supporting flexible hose |
| 01/30/1990 | CA1265070A1 Ultra-high pressure hose assembly |
| 01/24/1990 | CN1039096A Corrugated pipe, method of forming corrugated pipe and apparatus for manufacturing same |
| 01/24/1990 | CN1006570B Method and equipment for wrapped forming and sealing of pipes |
| 01/10/1990 | EP0349778A2 A corrugated pipe, a method of forming the corrugated pipe and an apparatus for manufacturing the same |
| 12/28/1989 | DE3821015A1 Hose |
| 12/20/1989 | EP0225901B1 Conduit usable particularly for transporting fluids and enabling to limit the permeability to transported fluids |
| 12/19/1989 | US4887647 Crosslinked fluoropolymer |
| 12/14/1989 | WO1989012198A1 Pipe for relining underground pipelines |
| 12/14/1989 | WO1989012195A1 Improvements in water hoses and the like and a support or storing device for such hoses |
| 12/14/1989 | WO1989011963A1 Plastic profiled strip |
| 12/06/1989 | EP0344556A1 Plastic pipe with a reinforcement packet for supplying fuel to the engine of a vehicle |
| 11/30/1989 | DE3816884A1 Installation hose |
| 11/28/1989 | CA1263486A1 Compounded adhesive formulation and composite hose made with same |
| 11/23/1989 | EP0342802A2 Ducting |
| 11/21/1989 | US4881576 Hose for transport of refrigerant fluids and fuel oils |
| 11/16/1989 | WO1989011057A1 Flexible tube comprising an aluminium alloy |
| 11/16/1989 | WO1989011056A1 Tubing collar |
| 11/14/1989 | US4880036 Hose for refrigerating systems |
| 11/08/1989 | EP0341144A1 Flexible pipeline, especially for transporting hydrocarbons |
| 11/02/1989 | WO1989010323A1 Hose assembly and method of making the same |
| 10/24/1989 | US4875468 Liqiud impervious; flexibility |
| 10/18/1989 | EP0337055A2 Coupling for fire hose with built-in communication cable |
| 10/04/1989 | EP0335154A1 Hose with a soft and elastic cover |
| 10/03/1989 | US4870995 Multilayer; heat resistance; for automobiles |
| 09/27/1989 | CN2045046U Hose made of coating plastics on new materials pipe blank |
| 09/26/1989 | US4870535 Antistatic hose |
| 09/26/1989 | US4869295 Profiled plastic band |
| 09/20/1989 | EP0333532A1 Pipe made of composite materials having low sensibility for stretch changes due to internal pressure |
| 09/20/1989 | EP0333370A1 Hoses |