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| Number | Title | Issue Date |
| 7253374 | Sheet-to-tube welded structure and method Method of welding a metal sheet and metal tubing as well as a welded sheet-to-tube welded structure wherein the tube-to-sheet gage ratio may be reduced to permit use of metal tubing having a reduced wall thickness. One or more intermediate metal bridging members is/... | 08/07/2007 |
| 7250223 | Aluminum heat exchanger excellent in corrosion resistance The present invention provides a heat exchanger which is assembled by brazing an aluminum fin material to the outer surface of an aluminum tube material formed by bending a sheet material, in particular, an aluminum heat exchanger which can be suitably used as an au... | 07/31/2007 |
| 7247392 | Aluminum alloy heat exchanger and method of producing the same An aluminum alloy heat exchanger having a tube composed of a thin aluminum alloy clad material, wherein, in the clad material, one face of an aluminum alloy core material containing Si 0.05–1.0 mass % is clad with an Al—Si-series filler material containing Si 5â... | 07/24/2007 |
| 7237600 | Support surface for heating or cooling food articles and method of making the same A heat transfer support surface for heating or cooling food articles placed adjacent the support surface by circulating a heat transfer fluid in the internal passages of the support surface is disclosed. Circulated fluid is heated or cooled by a source. Support surf... | 07/03/2007 |
| 7229429 | Multiple lumen catheter A cylindrical elongate body having proximal and distal ends and enclosing two similar longitudinally extending lumens separated by a septum and a further lumen within the septum. A convergently tapered tip extending from the distal end of the body defines part of th... | 06/12/2007 |
| 7207377 | Heat exchanger A heat exchanger having a plurality of stacked tubes (131) and tanks (110, 120) formed of resin and coupled to the longitudinal ends of the tubes (131), wherein the cooling liquid flowing in a fuel-cell (10) is cooled by being passed thro... | 04/24/2007 |
| 7171935 | Engine cylinder liner construction An engine cylinder liner construction in which a cylinder liner that is cast into a cylinder block has a tubular portion and a number of spines integrally formed on an outer surface of the tubular portion, the engine cylinder liner construction includes a chamfered ... | 02/06/2007 |
| 7172027 | Expanding tubing A method of expanding tubing downhole comprises providing a section of expandable tubing of a first diameter, and axially compressing the tubing to induce buckling, such that the buckled portion describes a larger second diameter. The resulting diametric expansion m... | 02/06/2007 |
| 7168497 | Downhole sealing A method of providing a downhole seal, such as a packer, in a drilled bore between inner tubing and outer tubing comprises: providing an intermediate tubing section defining a seal arrangement for engaging with the inner tubing; and radially plastically deforming th... | 01/30/2007 |
| 7154270 | Gradient coil system for a magnetic resonance tomography device having a more effective cooling A gradient coil system for a magnetic resonance apparatus has gradient coils and at least one cooling tube for cooling the gradient coils using a coolant flowing through the cooling tube. The cooling tube is formed of a flexible thermoplastic material, augmented wit... | 12/26/2006 |
| 7143813 | Foam bumper and radiator for a lightweight heat rejection system Methods and apparatus are provided for a lightweight heat rejection system suitable for spacecraft applications. The apparatus comprises a manifold configured with an array of heat pipes in thermal contact with a manifold coolant. The heat pipes transfer the coolant... | 12/05/2006 |
| 7135239 | Composite material made of high-strength aluminum alloy A composite material made of a high-strength aluminum alloy. The composite material is particularly used for the production of brazed heat exchangers for vehicles. The composite material includes a core layer, a corrosion protective layer covering the top surface of... | 11/14/2006 |
| 7073583 | Method and apparatus for expanding tubing downhole Aspects of the invention relate to apparatus and methods for remedial and repair operations downhole. Certain embodiments of apparatus include a lightweight expandable member (22) that can be radially expanded to increased its inner and outer diameters using ... | 07/11/2006 |
| 7013964 | High temperature heat exchanger structure To provide a thermal connection that can withstand mechanical stress in a high temperature structure comprising a panel having one face carrying a circuit made up of tubes in which a fluid flows, the outside walls of the tubes are covered in respective high thermal ... | 03/21/2006 |
| 7007504 | Condenser The present invention relates to a condenser for radiating heat of a high temperature and high pressure refrigerant discharged from a compressor to room temperature air and cooling water to condense and liquefy the refrigerant, and more particularly, to a condenser ... | 03/07/2006 |
| 7004257 | Apparatus and methods for separating and joining tubulars in a wellbore The present invention provides methods and apparatus for cutting tubulars in a wellbore. In one aspect of the invention, a cutting tool having radially disposed rolling element cutters is provided for insertion into a wellbore to a predetermined depth where a tubula... | 02/28/2006 |
| 6997266 | Expandable hanger and packer A first tubular is disposed coaxially within a portion of a second, larger tubular. A portion of the first tubular is expanded into frictional contact with the second tubular, thereby creating a liner and a hanger. In one embodiment, a pattern of grooves and profile... | 02/14/2006 |
| 6976539 | Tubing anchor A method of installing a liner in a drilled bore below a section of bore previously lined with casing comprises the steps of: running a length of liner into the bore such that at least an upper end of the liner is positioned in overlapping relation with at least a l... | 12/20/2005 |
| 6971450 | Completion apparatus and methods for use in wellbores An apparatus and methods for preventing the accumulation of unwanted materials in an enlarged inner diameter portion of a casing or housing. In one aspect of the invention, a sleeve is disposed in the housing to isolate an annular area defined by the outer surface s... | 12/06/2005 |
| 6964296 | Heat exchanger Heat exchange inefficiencies found in round tube plate fin heat exchangers are eliminated in an aluminum heat exchanger that includes first and second headers (20), (22) and at least one flattened tube (24), (70) extending between the hea... | 11/15/2005 |
| 6932161 | Profiled encapsulation for use with instrumented expandable tubular completions The present invention provides an encapsulation for housing instrumentation lines, control lines, or instruments downhole. In one use, the encapsulation resides between an expandable downhole tool, such as an expandable sand screen, and the wall of the wellbore. The... | 08/23/2005 |
| 6923261 | Apparatus and method for expanding a tubular A method of isolating a section of downhole tubing comprises: running a length of expandable tubing (20) into a tubing-lined borehole (12, 14) and positioning the expandable tubing (20) across a section of tubing to be isolated; deforming at lea... | 08/02/2005 |
| 6921584 | Brazing sheet The invention relates to a series of extra strong and durable aluminium alloy brazing sheets with enhanced corrosion resistance for brazed heat exchangers. The alloy sheets are based on recycled materials and are suitable for manufacturing of fins, welded tubes, hea... | 07/26/2005 |
| 6911267 | Brazing sheet and method The present invention is directed to a brazing sheet comprising an aluminum 3xxx series core alloy wherein at least one side thereof is provided with an aluminum clad material comprising from 0.7-2.0% Mn and 0.7-3.0.0% Zn, wherein the clad is capable of being used a... | 06/28/2005 |
| 6861259 | Method of using a cartridge for containing a specimen sample for optical analysis A cartridge for holding a test specimen with an extremely small volume. The cartridge has a test chamber and a vestibule through which the test fluids are inserted into the test chamber. The cartridge has a stopper having a pair of seals, the first of which seals th... | 03/01/2005 |
| 6843273 | Gilled pipe The invention relates to a method for producing gilled metal pipes. According to the method, at least one continuous, gill-forming strip is applied to a rotating pipe body at a tangent and unwound onto the pipe body in an approximately helical line. The side of the ... | 01/18/2005 |
| 6799428 | Heat exchanger Heat exchanger, which has a cooling body (9) that is in contact with a medium (11) to be cooled, on the one hand, and with a cooling medium (20), on the other hand, and transfers the heat of the medium to be cooled to the cooling medium, whereby... | 10/05/2004 |
| 6787116 | Overmolding insert for heat exchanger, process for manufacturing a heat exchanger, and heat exchanger produced thereby An overmolding insert includes a base having at least one opening in a first surface, the opening communicating with a second surface opposite the first surface, at least one hollow projection extending from the first surface, the hollow projection having a first op... | 09/07/2004 |
| 6773623 | Heat absorbing temperature control devices and method The increase of temperature in heat sensitive devices during heat generating conditions is prevented through the absorption of heat, by providing Aldehyde in an amount sufficient to effect the required heat absorption. Where the heat generating conditions are genera... | 08/10/2004 |
| 6667115 | Brazing sheet and method The present invention is directed to a brazing sheet comprising an aluminum 3xxx series core alloy, wherein at least one side thereof is provided with an aluminum clad material comprising 0.7-2.0% Mn and 0.7-3.0% Zn, wherein the clad is capable of being u... | 12/23/2003 |
| 6555251 | Multi-layer, heat treatable brazing sheet with aluminum interlayer A four layer composite including a first interliner positioned between a 4xxx series braze clad and a core alloy and a second interliner positioned on the opposite side of the core alloy from the first interliner. At least one of the first and second inte... | 04/29/2003 |
| 6361882 | High-strength aluminum alloy clad material for heat exchangers exhibiting excellent corrosion resistance A high-strength aluminum alloy clad material for heat exchangers which excels in corrosion resistance and formability before brazing and has improved strength after brazing. The aluminum alloy clad material is made up of a core material and a brazing mate... | 03/26/2002 |
| 6329079 | Lined alloy tubing and process for manufacturing the same A tube for a cracker unit in which ethylene is produced withstands, without oxidizing or losing its strength, the elevated temperatures required to effect cracking, yet retards coking. The tube has a shell formed from stainless steel or high nickel alloy ... | 12/11/2001 |
| 6010581 | Austenitic Ni-based alloy with high corrosion resistance, good workability and structure stability An austenitic Ni-based alloy with improved workability, good corrosion resistance and good structure stability useful as heat exchanger tubing in sulphur-, chloride- or alkaline-containing environments. The material has an austenitic structure which conta... | 01/04/2000 |
| 5954128 | High pressure ceramic heat exchanger Many recuperators have components which react to corrosive gases and are used in applications where the donor fluid includes highly corrosive gases. These recuperators have suffered reduced life, increased service or maintenance, and resulted in increased... | 09/21/1999 |
| 5881775 | Heat exchanger tube and method for making A heat exchanger tube (2, 2a, 2b) is made using a hollow, impermeable, monolithic ceramic inner tube (4) and wrapping the inner tube with a circumferentially extending reinforcing material (12) impregnated with a slurry of ceramic particles, particle carr... | 03/16/1999 |
| 5857515 | Heat exchanging device A heat exchanging device absorbs heat from a heat source, in the form of waste fluid, and exchanges the absorbed heat to an object which benefits from warming. The heat exchanging device is coupled to a first structure, the combination of the heat exchang... | 01/12/1999 |
| 5858537 | Compliant attachment In one embodiment the article includes a metal support having a top surface, a well provided in the top surface of the support and extends downwardly into the support, the well is defined by a floor at the bottom thereof, second fibers anchored in spaced ... | 01/12/1999 |
| 5720339 | Refractory-composite/heat-pipe-cooled leading edge and method for fabrication A thermal protection system containing several innovative features has been developed with heat pipes embedded in a composite material. The techniques used in the fabrication of the heat pipes permit a smaller radius and a higher use temperature heat pipe... | 02/24/1998 |
| 5713864 | Integral conductive polymer resistance heated tubing A flexible, integral polymer resistance heated conduit is provided that is particularly suitable for use with physiological fluids. The conduit is highly effective in uniformly heating a fluid and in maintaining the fluid at a uniform, predetermined tempe... | 02/03/1998 |
