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| Number | Title | Issue Date |
| 8080116 | Method for producing a cooling element The invention relates to a cooling element, particularly for use in walls of furnaces that are subjected to high levels of thermal stress, and to a method for producing a cooling element. The cooling element is comprised of cast copper or of a low-alloyed copper all... | 12/20/2011 |
| 7896983 | Hollow stabilizer and method of manufacturing the same In a method of manufacturing a hollow stabilizer, a pipe compressing step of compressing an electroseamed pipe in a temperature range of a hot state or a warm state so as to make a rate of a thickness with respect to an outer diameter between 18 and 35% is performed... | 03/01/2011 |
| 7887649 | High-tensile strength welded steel tube for structural parts of automobiles and method of producing the same A high-tensile strength welded steel tube has excellent formability and torsional fatigue endurance after being formed into cross-sectional shape and then stress-relief annealed. A steel material used has a composition which contains C, Si, Al, 1.01% to 1.99% Mn, 0.... | 02/15/2011 |
| 7780800 | Method of manufacturing a bent pipe A bent pipe corresponding to at least API X100 grade and having a base metal with high strength and toughness and a weld metal with high toughness is provided. A steel plate prepared by cooling after hot rolling at a cooling rate at the central portion in the plate ... | 08/24/2010 |
| 7591914 | High-workability steel pipe and method of producing same A steel pipe is produced by a method including performing diameter-reducing rolling on a steel pipe in a temperature range of from 600° C. to Ac3 with a reduction in diameter of not less than 30%, preferably after heating the steel pipe to temperatures o... | 09/22/2009 |
| 7540930 | Stent to be implanted in human body and method of producing stent A stent, to be implanted in a human body, is made of a super-elastic metal which is formed approximately cylindrically and integrally and which shows super-elasticity before and after said stent is inserted into said human body. The stent has a plurality of annular ... | 06/02/2009 |
| 7455739 | Shaped reinforcing member for medical device and method for making the same Medical devices, medical device components, and methods of making the same. For example, one embodiment provides a method of shaping a reinforcing member through annealing. Another exemplary embodiment includes a method of making a medical device that includes such ... | 11/25/2008 |
| 7368035 | Method for brazing and adhesive bonding An improved method for joining together the edge portions of first and second panels includes applying a heat curable adhesive along the edge portion of the first panel and then abutting the edge portion of the second panel with the edge portion of the first panel s... | 05/06/2008 |
| 7360798 | Threaded joint for steel pipes A threaded joint for steel pipes comprising a pin 1 and a box 2 each having a contact surface comprising a threaded portion 3 or 4 and an unthreaded metal contact portion 8 is provided with improved anti-galling propertied by formi... | 04/22/2008 |
| 7223447 | Method of coating welded tubes Method of coating the seam of a welded tube with an adherent metal coating, including applying a nonadherent metal coating to the inside and outside of the welded seam, externally heating the seam area with the seam located in the lower portion of the tube to genera... | 05/29/2007 |
| 7220494 | Metal dusting resistant product A product resistant or immune to carburization, metal dusting, coking, oxidation, and having sufficient mechanical strength for use at temperatures greater than 400° C. The product consists of a load-bearing member and a corrosion resistant member, wherein the corr... | 05/22/2007 |
| 7094294 | Process for producing a medical guide wire A process for producing a medical guide wire comprising a step S2, S5 for inserting the core wire and coil into a tubular die having the desired curved form, a step S3, S6 for heat-treating the core wire and coil in the die, a step 7 | 08/22/2006 |
| 7044223 | Heater cable and method for manufacturing A method for manufacturing an electrical cable provides an electrical cable suitable for use in heating wells. An elastomeric jacket is extruded over insulated conductors. A stainless steel plate is rolled around the jacket to form a cylindrical coiled tubing having... | 05/16/2006 |
| 6984457 | Titanium material, production thereof, and exhaust pipe (1) A titanium material composed of a substrate of pure titanium or titanium alloy and an aluminum-containing layer formed thereon having a thickness no smaller than 1 μm and containing no less than 90 mass % aluminum or aluminum plus silicon. (2) A titanium materi... | 01/10/2006 |
| 6960274 | Tooling and method of manufacturing a mesh laminate An apparatus and method of manufacturing a wire mesh laminate includes wrapping a central core with multiple layers of mesh screen and a barrier layer having a higher melting point than the mesh screen to form a spool assembly. The spool assembly is then surrounded ... | 11/01/2005 |
| 6953147 | Method for joining a tube to a member A method for joining a tube to a member. A tube having a flange is obtained, and a member is obtained. The tube and the member are positioned with the flange contacting the member either directly or indirectly through an intervening joining material. The tube and/or... | 10/11/2005 |
| 6921110 | Threaded joint for tubes Described herein is a threaded joint, in which the threads are coated with a layer of dry lubricant having a thickness of between 5 μm and 30 μm and in which the nominal void volume NVV of the space (6, 7) between the thread of the male tube and the thread ... | 07/26/2005 |
| 6890665 | Martensitic stainless steel and method for manufacturing the same Martensitic stainless steel whose steel composition is restricted within a specific range for each element is provided. The scale layer formed on the surface of the base material consists of an inner layer scale mainly including FeCr2O4 and an ... | 05/10/2005 |
| 6887322 | High pressure cylinders including backing steel with tool steel lining High pressure cylinders comprising backing steel cylinders and tool steel liners are disclosed. An annealed tool steel liner is inserted into the backing steel cylinder, followed by heat treating to harden the tool steel liner. The tool steel liner may be provided a... | 05/03/2005 |
| 6758921 | Method of manufacturing a bending-resistant, torsionally yielding tubular profiled member as a transverse support for a twist beam rear axle of a passenger car In a method of manufacturing a bending-resistant, torsionally yielding tubular profiled member as a transverse support of a twist beam rear axle of a passenger car, a tube blank of tempering steel is cold formed to a tubular profiled member with a torsionally yieldi... | 07/06/2004 |
| 6749894 | Corrosion-resistant coatings for steel tubes A method of providing a protective, corrosion-resistant thin coating of a MCrX alloy on a carbon or low-alloy steel pipe or tube where M is one of nickel, cobalt or iron or combination thereof and X is one of molybdenum, silicon, tungsten or combination thereof, and... | 06/15/2004 |
| 6749954 | Welded steel pipe having excellent hydroformability and method for making the same A welded steel pipe is formed by heating or soaking an untreated welded steel pipe having a steel composition containing, on the basis of mass percent: about 0.03% to about 0.2% C, about 2.0% or less of Si, not less than about 1.0% to about 1.5% Mn, about 0.1% or le... | 06/15/2004 |
| 6723453 | Welded steel pipe having excellent hydroformability and method for making the same A welded steel pipe is formed by heating or soaking an untreated welded steel pipe having a steel composition containing, on the basis of mass percent: about 0.05% to about 0.2% C; about 0.2% or less of Si; about 1.5% or less of Mn; about 0.1% or less of P; about 0.... | 04/20/2004 |
| 6689231 | Use of stainless steel alloy as umbilical tubes in seawater environment The invention relates to a ferrite-austenitic alloy and its use, the alloy has a composition with a mixture defined as: C maximum 0.05%, Si maximum 0.8%, Mn 0.30-1.5%, Cr 28.0-30.0%, Ni 5.80-7.40%, Mo 2.00-2.50%, N 0.30-0.40%, Cu maximum 1.0%, W maximum 2... | 02/10/2004 |
| 6682829 | Welded steel pipe having excellent hydroformability and method for making the same A welded steel pipe is formed by heating or soaking an untreated welded steel pipe having a steel composition comprising, on the basis of mass percent: about 0.05% to about 0.3% C; about 2.0% or less of Si; more than about 1.5% to about 5.0% Mn; about 0.1... | 01/27/2004 |
| 6682610 | Manufacturing method for hollow stabilizer A manufacturing method for a hollow stabilizer comprises a primary pipe manufacturing process for subjecting a seam-welded pipe to hot reduction working, thereby obtaining a primary pipe, and winding the primary pipe in a coil, a cold drawing process for ... | 01/27/2004 |
| 6645313 | Powder-in-tube and thick-film methods of fabricating high temperature superconductors having enhanced biaxial texture A method for forming an electronically active biaxially textured article includes the steps of providing a substrate having a single crystal metal or metal alloy surface, deforming the substrate to form an elongated substrate surface having biaxial textur... | 11/11/2003 |
| 6644358 | Centrifugally-cast tube and related method and apparatus for making same An improved centrifugally-cast tube is provided, along with a related method and apparatus of making the tube. The tube includes a plurality of grooves and bosses that are mechanically machined into an interior surface of the tube, such as by a broaching ... | 11/11/2003 |
| 6582536 | Process for producing steerable sheath catheters The invention is a method for manufacturing a steerable catheter having a distal end, proximal end, an outer jacket, a pull wire and a central lumen. The central lumen is maintained in a circular shape without bulges diminishing the useful inter-diameter ... | 06/24/2003 |
| 6564689 | Blank for gun barrel, method for producing said gun barrel and gun barrel Blank for a gun barrel, consisting of a steel bar, which bar, in one or more hot working steps, has been repeatedly wrung about its own longitudinal axis.... | 05/20/2003 |
| 6562484 | Steel material of high fatigue strength and a process for manufacturing the same A hot worked steel material, such as a bar, or tube, has a surface layer improving its fatigue strength despite the non-metallic inclusions which it may contain, or the cracks which it may have. The surface layer is formed by heating a nickel layer on the... | 05/13/2003 |
| 6548125 | Method of internally coating a weapon barrel by means of a laser beam A method of coating an inner surface of a weapon barrel includes the following steps: directing a laser beam against the inner barrel surface to cause melting of regions thereof; introducing a coating material in one of powder, wire and ribbon form into t... | 04/15/2003 |
| 6534134 | Apparatus and method for pulsed laser deposition of materials on wires and pipes Methods and apparatuses are disclosed which allow uniform coatings to be applied by pulsed laser deposition (PLD) on inner and outer surfaces of cylindrical objects, such as rods, pipes, tubes, and wires. The use of PLD makes this technique particularly s... | 03/18/2003 |
| 6451453 | Aluminum alloy strip or tube for the manufacture of brazed heat exchangers Strip or drawn tube for the manufacture of a brazed heat exchanger, formed from an aluminum alloy containing Si, Cu and Mn, with optional amounts of Mg, Fe, Zn and Ti, where FeࣘSi, and Cu+Mg>0.4. In the form of a strip, the alloy may be coated on one or... | 09/17/2002 |
| 6419768 | Method for producing welded tubing having a uniform microstructure A method for producing an autogenous welded tubular metal article having a substantially uniform grain size, including the weld-affected area thereof. This is achieved by applying to the metal article a series of cold reduction and annealing operations th... | 07/16/2002 |
| 6406800 | Bent pipe for passing therethrough a material containing solids A bent pipe for use in piping arrangement for transporting materials conaining solids, the bent pipe being prepared by subjecting to high-frequency bending work a straight blank pipe prepared by centrifugal casting and having a plurality of layers. The st... | 06/18/2002 |
| 6375895 | Hardfacing alloy, methods, and products Disclosed is a hardfacing alloy capable of withstanding abrasion of the order of silicious earth particles and weldable in crack free state on industrial products, such as tool joints and stabilizers used in oil and gas well drilling, and other industrial... | 04/23/2002 |
| 6375768 | Method for making biaxially textured articles by plastic deformation A method of preparing a biaxially textured article comprises the steps of providing a metal preform, coating or laminating the preform with a metal layer, deforming the layer to a sufficient degree, and rapidly recrystallizing the layer to produce a biaxi... | 04/23/2002 |
| 6368429 | Method of manufacturing zirconium alloy tubes The present invention relates to a method for producing tubing products from binary and multicomponent zircon alloys, consisting in obtaining from an ingot previously submitted to a beta distortion process p source preparation, hot forming said source pre... | 04/09/2002 |
| 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 |
