| Patents for F16L 11 - Hoses, i.e. flexible pipes (15,317) |
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| 04/24/1991 | EP0423298A1 Connection element between a working tool and a vacuum network |
| 04/23/1991 | US5010137 Blend with polyorganohydrogensiloxane, transition metal compound |
| 04/16/1991 | US5007462 Synthetic resin underground pipe having high pressure-withstanding capability |
| 04/09/1991 | US5006602 Polyvinylidene fluoride compositions and products made therefrom |
| 04/09/1991 | US5005613 Light weight flexible coaxial vapor recovery hose |
| 04/04/1991 | WO1991004432A1 Hose |
| 04/04/1991 | DE4030019A1 Flexible hose for conveying steam |
| 03/27/1991 | EP0418920A2 Method for producing a hose for transporting steam |
| 03/26/1991 | WO1991004103A1 Method and device for pressure balancing of hoses at extruding of two components |
| 03/21/1991 | DE3930528A1 Corrosion-resistant collapsible tubing - has extruded rubber section wound spirally to form lining with thermoplastic reinforcement wound and bonded into gaps between spiral turns |
| 03/20/1991 | EP0417184A1 Pipe for relining underground pipelines. |
| 03/19/1991 | CA1281664C Pressure-withstanding pipe and method of manufacturing the same |
| 03/19/1991 | CA1281663C Profiled plastic band |
| 03/19/1991 | CA1281662C Fire resistant plastic pipe |
| 03/19/1991 | CA1281661C Double tubing comprising two protective tubes integrally joined to one another by a web |
| 03/14/1991 | DE3930350A1 Schlauch Hose |
| 03/13/1991 | CN1011955B Extrusion tubes of semicrystalline plastic and their process |
| 03/13/1991 | CN1011954B Method for manufacturing assembly of plastic pipe body connected with sealing body |
| 03/12/1991 | WO1991003370A1 Flexible hose construction and method of making the same |
| 03/12/1991 | US4998565 Reinforced hose |
| 03/12/1991 | US4998564 Refrigerant-transporting hose |
| 03/12/1991 | US4998563 Plastic pipe |
| 03/07/1991 | DE4025946A1 Lightweight pressure-resistant elastomer tubing - has generally rectangular type cross=section strengthened with outer spiral or annular elastomer bands contg. wire reinforcement |
| 03/06/1991 | EP0415297A1 Extruded non-buckling passing-through mountable discharge respectively ventilation hose for installation in cavities of automotive bodies |
| 02/28/1991 | DE3927626A1 Packaging sleeve comprises tube of shrinkable polypropylene film - formed by bending film along longitudinal axis and sealing edges together with sealable film strip |
| 02/21/1991 | DE4026161A1 Pipe impermeable to refrigerant gas, fuel oil etc. - has two=part inner layer, outer layer and reinforcement of wire or synthetic fibre with specified elongation |
| 02/20/1991 | CN2071738U Oil transportation hose by microcomputer |
| 02/13/1991 | EP0412082A1 Hose assembly and method of making the same |
| 02/06/1991 | EP0411723A1 A flexible conduit with a core portion extending through the flow passage thereof |
| 02/06/1991 | EP0411556A1 Conveying hose with at least one buoyant body like a sleeve |
| 02/06/1991 | CN2070856U Obsorbing pipe made of combined short fiber and rubber for wire sheath |
| 02/06/1991 | CN1011530B High-pressure hose and process for its production |
| 02/05/1991 | US4989643 High performance composite hose |
| 02/05/1991 | US4989422 Sound absorbent sleeving product |
| 01/24/1991 | WO1990014543A3 Flexible pipe containing a composite material with an aluminium alloy matrix, and process for the manufacture of said material |
| 01/24/1991 | WO1990002901A3 Pressure hose with matching hose drum and matching coupling piece |
| 01/23/1991 | EP0409253A2 Method for manufacturing hoses, particularly high-temperature or filter hoses |
| 01/23/1991 | CN1011332B Hood for pipe bending |
| 01/22/1991 | US4987017 Blend of polyamide or polylactam and halogenated butyl rubber or chlorosulfonated polyethylene |
| 01/16/1991 | EP0263860B1 Methods and devices for fabricating and laying reinforcement armourings and curved elements reinforced with bars for elongate flexible bodies |
| 01/15/1991 | US4985801 Tube for the circulation of a flammable fluid, and conduit made from such tubes |
| 01/15/1991 | US4984604 Rubber hose |
| 01/15/1991 | CA1279023C Heatable plastic hose |
| 01/10/1991 | WO1991000467A1 Flexible tube with at least one t-shaped elongate reinforcement element |
| 01/08/1991 | US4982765 Flexible composite hose |
| 01/02/1991 | EP0405461A2 Silicone-based composite rubber composition and uses thereof |
| 01/02/1991 | CN2068634U Plastic cement pipe |
| 01/02/1991 | CA1278536C Plastic corrugated tube with integrally molded sleeve coupler |
| 12/27/1990 | EP0404670A1 Method for the optimisation of multilayer pipes made of composite materials and pipes obtained by the implementation of such method |
| 12/27/1990 | EP0403596A1 Pressure hose with matching hose drum and matching coupling piece |
| 12/27/1990 | EP0230457B1 Composite fuel and vapor tube |
| 12/11/1990 | US4976289 Corrugated pipe |
| 12/06/1990 | DE4017101A1 Tube for transporting refrigerant - has polyamide inner layer, rubber interlayer, reinforcing fibre layer and outer layers, with phenolic resin between adjacent layers |
| 12/05/1990 | CN2066925U Multifunctional liquid infusion tube |
| 12/04/1990 | US4975055 Flexible conduit structure for dental appliances |
| 11/29/1990 | WO1990014485A1 Hinge for motor vehicles |
| 11/29/1990 | WO1990014455A1 Sound absorbent sleeving |
| 11/27/1990 | US4972875 High pressure hose for modular fuel delivery system |
| 11/27/1990 | CA1276892C Tuned self-damping convoluted conduit |
| 11/26/1990 | CA2017420A1 Flexible duct |
| 11/24/1990 | WO1990014543A2 Flexible pipe containing a composite material with an aluminium alloy matrix, and process for the manufacture of said material |
| 11/24/1990 | CA2032507A1 Flexible hose comprising an aluminium alloy matrix composite, and process for making same |
| 11/22/1990 | EP0398252A2 Radiant tube with jacket |
| 11/13/1990 | CA1276248C Current-carrying flexible hose |
| 11/06/1990 | US4967732 Endoscope |
| 11/01/1990 | WO1990012975A1 Connection element between a working tool and a vacuum network |
| 10/31/1990 | EP0395551A1 Chimney-sweeping device |
| 10/31/1990 | EP0394794A2 Polyethylene and copolymers with a major proportion of ethylene |
| 10/30/1990 | USRE33412 Hose construction |
| 10/30/1990 | US4966741 Method of making shape retention hose construction |
| 10/30/1990 | US4966202 Shape retention hose construction |
| 10/25/1990 | DE3911625A1 Attaching dental instrument to flexible hose - involves fitting OD greater than nominal ID of hose |
| 10/24/1990 | EP0393686A2 Foldable weather-resistant textile aeration hose with airtight layer, especially for use in underground mining or in tunnel construction, in particular in coal mining. Method and apparatus for manufacturing such an aeration hose |
| 10/17/1990 | EP0322508B1 Pipe joint element |
| 10/16/1990 | US4963420 Filler and floatability material - manufacturing process and tubular units that incorporate this material |
| 10/11/1990 | DE4009518A1 Steam iron connected to steam generator via tube - comprising inner tube made of PTFE and outer silicone tube |
| 10/11/1990 | DE4009339A1 Flexible vacuum air guide - has outer tubular sleeve stabilising by network frame with rhomboid mesh rigid steel rings |
| 10/10/1990 | CN1009946B Ropeform goods with sheathing from multi-number wires |
| 09/18/1990 | US4957793 Multilayer |
| 09/18/1990 | US4957792 Self-molding hose and a continuous vulcanization method |
| 09/12/1990 | EP0386493A1 Pressure line with a pressure chamber |
| 09/12/1990 | CN2062001U Flexible water pipe |
| 09/11/1990 | CA1273880A1 Composite fuel and vapor tube |
| 09/05/1990 | EP0385731A1 Conductive composite plastics tube |
| 09/05/1990 | EP0385730A1 Composite plastics tube |
| 09/05/1990 | EP0385465A2 Method of making a plastic sewer |
| 09/05/1990 | EP0385268A2 Tube for conducting medical fluids |
| 09/05/1990 | EP0385168A2 Improved flexible conduit structure |
| 09/05/1990 | EP0384995A1 Flexible tubing with an outer layer containing metal particles |
| 09/02/1990 | CA2010210A1 Flexible conduit structure |
| 08/29/1990 | EP0300174B1 Flexible tube with parallel, annular corrugations and axial support |
| 08/28/1990 | US4952262 Hose construction |
| 08/28/1990 | US4951720 Hose assembly and method of making the same |
| 08/21/1990 | US4950436 Enhanced by forming inner wall on a core of selected synthetic material |
| 08/21/1990 | US4950103 Corrugated drainage tube |
| 08/16/1990 | EP0381906A1 Device for joining plates or manufacturing pipes |
| 08/09/1990 | WO1990008915A1 Wear indicator for material transfer systems |
| 08/09/1990 | DE3903026A1 Automotive radiator hose |
| 08/08/1990 | EP0380841A2 Coated braided hose method and assembly |
| 08/07/1990 | US4946371 Flexible tube of thermoplastic resin having poor melt flowability and production method and apparatus thereof |