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| Number | Title | Issue Date |
| 8176943 | High temperature fire sleeve A flexible hose for conveying fluids and suitable for high temperature environments, the hose comprising a core tube, a thermal insulating layer surrounding the core tube, a metal layer surrounding the thermal insulating layer, and a vented jacket surrounding the co... | 05/15/2012 |
| 8069879 | Hydrocarbon application hose A hydrocarbon application hose to avoid substantial compression and blow-out resulting from high pressurization differentials therethrough. The hose is formed from an inner tube that has a layer of material with electromagnetic target, such as carbon fiber, disburse... | 12/06/2011 |
| 7918247 | Garden hose with backbone An improved garden hose including an elongated generally cylindrical inner core being made of a first material, the inner core having an integrally formed backbone being made of a second material. The second material has a higher durometer than the first material. | 04/05/2011 |
| 7870877 | Coated pipes for harsh environments The present invention relates to a pipe, especially an oil pipe, having a lining comprising a fluoropolymer adhered to its interior surface and a lining formed on its exterior surface. The interior and/or exterior lining may comprise a primer layer comprising a fluo... | 01/18/2011 |
| 7866348 | Multi-layered fuel tubing The invention describes a flexible tubular article for transport of volatile hydrocarbons comprising: (a) an inner layer of a thermoplastic polyurethane (TPU); (b) an intermediate polyvinylidene difluoride (PVDF) polymer or PVDF copolymer layer extruded in tubular f... | 01/11/2011 |
| 7861746 | Motor vehicle hose A motor vehicle hose consisting of plastic material, where the interior surface of the hose consists at least in segments of an electrically conducting plastic material. The invention provides for a section of electrically conducting plastic material that extends at... | 01/04/2011 |
| 7857010 | Low permeability hose system A low permeability hose system for providing an impermeable length of tube to transfer fluids that is flexible. The low permeability hose system generally includes a hose defining a fluid passage and an impermeable layer attached to the exterior surface of the hose.... | 12/28/2010 |
| 7849887 | Refrigerant transportation hose A refrigerant transportation hose having excellent flexibility and high resistance to permeation of refrigerant. The refrigerant transportation hose includes an innermost layer formed by using polyamide resin, a low-permeation layer formed on an outer peripheral sur... | 12/14/2010 |
| 7784498 | Flexible pipeline with multiple pipes protected against corrosion A flexible pipeline with multiple pipes, adapted for hydrocarbon transport, the pipeline comprising a flexible core element inside which flows hydrocarbon, an outer sheath around the flexible core element and at least one peripheral steel alloy pipe extending longit... | 08/31/2010 |
| 7757721 | Multilayer pipe The present invention relates to a multilayer pipe or hose, in particular a plastic pipe, comprising at least one polyester barrier layer and at least one additional protective layer, the additional protective layer being a polyethylene layer, in particular a HDPE l... | 07/20/2010 |
| 7717139 | Polyamide/polyolefin blends containing carbon nanotubes The present invention relates to polyamide/polyolefin blends containing carbon nanotubes. The invention also relates to structures comprising at least one layer of these blends and optionally at least one layer of another material. These structures may be in the for... | 05/18/2010 |
| 7647949 | Co-extruded tubing A co-extruded tubing for the administration of intravenous fluids has an outer layer of a polyester. An inner fluid-contact layer may be of a polyethylene or of a thermoplastic polyurethane. Where the inner fluid-contact layer is of polyethylene, an intermediate tie... | 01/19/2010 |
| 7600537 | Reinforced plastic pipe Plastic pipes, such as high density polyethylene plastic pipes, useful for distributing natural gas and which have improved impact resistance and burst strength. The plastic pipe has an inner and an outer surface, with the inner surface defining a channel for convey... | 10/13/2009 |
| 7588058 | Coated pipes for harsh environments The present invention relates to a pipe, especially an oil pipe, having a lining comprising a fluoropolymer adhered to its interior surface and a lining formed on its exterior surface. The interior and/or exterior lining may comprise a primer layer comprising a fluo... | 09/15/2009 |
| 7497235 | Resin tube for fuel piping A resin fuel pipe has component layers made of thermoplastic resins and high heat resistance sufficient to withstand a hot environment in, for example, an engine compartment. The resin fuel pipe includes a pipe body 10 made of a thermoplastic resin, a first h... | 03/03/2009 |
| 7478654 | Hose A hose including at least one permeation resistant layer, an elastomeric layer overlaying each at least one permeation resisting layer, at least one reinforcement layer overlaying an elastomeric layer, and a cover layer overlaying the at least one reinforcement laye... | 01/20/2009 |
| 7389799 | Antistatic hose for conveying fluids An antistatic hose for conveying fluids with at least one conductive layer (2) comprising a first, conductive material (3) and a second, non-conductive material (4). The first, conductive material (3) forms a basic matrix and medium sized... | 06/24/2008 |
| 7367364 | Fire retardant jacket for tubing A tubing assembly including a conductive corrugated tubing including convolutions of peaks and valleys and a polymer jacket disposed along a length of said corrugated tubing, the polymer jacket including a fire retardant. ... | 05/06/2008 |
| 7360461 | Air monitoring system having tubing with an electrically conductive inner surface for transporting air samples An air monitoring system includes a tubing having an electrically conductive inner surface. In one embodiment, the liner includes carbon based materials, such as for example carbon nanotubes. In another embodiment, a conductive layer is adhered to a substrate. ... | 04/22/2008 |
| 7360799 | Insulation cladding for bends A half elbow used with a second similar half elbow clads insulation or other structures about a bend. Each half elbow is formed of separate segments of thin sheet material fastened together. Each segment includes first and second edges adapted to be fastened to corr... | 04/22/2008 |
| 7357968 | Reinforced, high pressure, low permeation multilayer hose A reinforced, high pressure hose is disclosed for use in the transport of high pressure fluids. The hose includes a multilayered inner tube capable of prolonged exposure to fluids such as those containing hydrocarbons, and a reinforcement layer overlaying the inner ... | 04/15/2008 |
| 7354430 | Catheter incorporating a curable polymer layer to control flexibility The present invention relates generally to catheters for performing medical procedures including percutaneous transluminal coronary angioplasty. More particularly, the present invention relates to guide catheters, diagnostic catheters and balloon catheters with an i... | 04/08/2008 |
| 7351009 | Fiber optic installation structures in a paved surface, ducts, and methods therefor A fiber optic installation structure and method therefor includes a duct having an inner tube, at least one optical waveguide, and a jacket and is disposed within a channel of a paved surface. The jacket generally surrounds the inner tube. When the duct is disposed ... | 04/01/2008 |
| 7350826 | Conduit assembly A conduit assembly, such as an electrical conduit assembly, includes a flexible convoluted tube having a non-conductive fluoropolymer interior and a conductive carbon exterior that decreases the electrical resistance of the tube. A fitting is secured to an end of th... | 04/01/2008 |
| 7350565 | Self-expandable cylinder in a downhole tool A self-expandable cylinder insertable into the bore of a downhole tool includes a resilient material rolled into a substantially cylindrical shape. The outside circumference of the self-expandable cylinder is variable to allow the self-expandable cylinder to be inse... | 04/01/2008 |
| 7347226 | Flexible hose for fuels and method for making it A flexible hose for fuels comprises a rubber inner layer, at least a reinforcement fabric layer and a covering rubber layer and, moreover, at least a fuel vapor low permeability material layer. With respect to prior flexible hoses for fuels, the inventive flexible h... | 03/25/2008 |
| 7348377 | Fluoropolymer sealant A heat sealable tape of a copolymer of tetrafluoroethylene and at least about 15% by weight of a highly fluorinated monomer. The copolymer has a melt viscosity of no greater than about 1000 Pa·S at 372° C. and an application temperature of no greater than about 25... | 03/25/2008 |
| 7337841 | Casing comprising stress-absorbing materials and associated methods of use The present invention relates to subterranean drilling and well completion operations, and more particularly, to improved casing that comprises stress-absorbing materials and associated methods of use. In some embodiments, the present invention discloses methods of ... | 03/04/2008 |
| 7308911 | Electronically detectable high-pressure hose and method of determining the location of the hose A hose is provided having at least one layer defining a tubular body with a length and an electrically conductive lead joined to the tubular body and extending along the length of the tubular body. The electrically conductive lead is adapted to receive an electrical... | 12/18/2007 |
| 7308912 | Fuel tube A fuel tube including a laminate of an inner layer and an outer layer, the inner layer being made of a resin composition containing a PPS resin (or an MXD6 resin) as a main component but substantially containing no olefin polymer component, the outer layer being mad... | 12/18/2007 |
| 7306013 | Fuel hose A fuel hose which is excellent in antistatic property, sour gasoline resistance, a sealing property and the like. The fuel hose includes a polyamide resin inner layer 1 and an electrically conductive coating layer 2 which is formed by the following ess... | 12/11/2007 |
| 7302950 | Patient interface for respiratory apparatus A patient interface assembly adapted to be connected to a gas supply pump to deliver breathable gas to the inlet of a patient's respiratory system comprises a supply conduit, a patient interface, a branch swivel connector including a Y-piece and an elbow that swivel... | 12/04/2007 |
| 7290546 | Nasal mask A nasal mask assembly for preferred use in CPAP treatment. The mask assembly comprises a central body, a face cushion, a forehead support and a gas inlet. The gas inlet is rotatably connected to the central body, and the forehead support is pivotally connected to th... | 11/06/2007 |
| 7285333 | Tie-layer materials, articles and methods for making and using same A composite article is provided that includes a polyolefin layer, a tie-layer, and a non-polyolefin. The tie-layer may comprise a silicon modified polyolefin. Methods are also provided for adhering a polyolefin to a non-polyolefin. Such articles may used, for exampl... | 10/23/2007 |
| 7282242 | Multilayer polymer structure The present invention provides a multilayer polymer structure including an inner structural layer (A) of a rigid polymer composition, an intermediate or tie layer (B) of a polymer composition including a thermoplastic polyurethane, and an exposed or surface layer (C... | 10/16/2007 |
| 7281547 | Multi-layered flexible tube A multi-layered tube comprising a first inner polymeric tubular structure, a second foamed polymeric structure containing a plurality of short or long reinforcing elements dispersed therein and, optionally, a third cover layer on the outer surface of the reinforcing... | 10/16/2007 |
| 7273645 | Fluorocopolymer A fluorocopolymer which comprises (A) polymerized units based on tetrafluoroethylene, (B) polymerized units based on ethylene and (C) polymerized units based on itaconic anhydride or citraconic anhydride, wherein the molar ratio of (A)/(B) is from 20/80 to 80/20, an... | 09/25/2007 |
| 7263975 | Plastic coated metal fuel rail An improved fuel rail for delivering fuel to a fuel injector for an internal combustion engine is provided that reduces the weight of the fuel injection system, greatly reduces manufacturing costs by eliminating expensive manufacturing methods, such as brazing, high... | 09/04/2007 |
| 7264858 | Multilayered articles having biocompatibility and biostability characteristics Multilayer articles, such as tubing and films, are disclosed which have a soft layer of aliphatic polyurethane and at least one layer of hard aliphatic polyurethane. The articles formed avoid the problem of tackiness when using only a soft aliphatic polyurethane, wh... | 09/04/2007 |
| 7261143 | Heat pipe A heat pipe includes a metal tube and an amount of fluid sealed in the copper tube. The metal tube may include an inner surface. The inner surface is patterned to define at least one pitch and at least two grooves. A given pitch separates adjacent grooves. The amoun... | 08/28/2007 |
