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| Number | Title | Issue Date |
| 7357060 | Vehicle armor A vehicle is armored the steps of sequentially making a steel plate with a thickness of 4 mm to 15 mm of by weight | 04/15/2008 |
| 7104299 | Two piece tire with improved tire tread belt A two-piece tire assembly has a removable tread belt 12 for installing about the circumference of a tire carcass 14. The tread belt has at least a pair of belt layers, and one layer comprising inextensible reinforcing cables inclined at substantially z... | 09/12/2006 |
| 7093634 | Two piece tire with improved tire tread belt A two-piece tire assembly has a removable tread belt 12 for installing about the circumference of a tire carcass 14. The tread belt has at least a pair of belt layers, and one layer comprising inextensible reinforcing cables inclined at substantially zero degrees re... | 08/22/2006 |
| 7067019 | Alloy steel and article made therefrom A relatively high strength high toughness medium Carbon Copper-Nickel-Chromium alloy steel and method that eliminates and/or reduces the use of scarce, expensive alloying elements and is lower in cost than existing high strength high toughness alloy steels with comp... | 06/27/2006 |
| 7037388 | Steel plate for paint use and manufacturing method thereof A steel plate for paint use which contains C (0.12% or less), Si (1.0% or less), Mn (2.5% or less), P (0.05% or less), S (0.02% or less), and Cr (0.05% or less), Cu (0.05–3.0%), Ni (0.05–6.0%), Ti (0.025–0.15%), and Cu+Ni (0.50% or more), with PCM b... | 05/02/2006 |
| 6949149 | High strength, high carbon steel wire To achieve a drawn wire with a tensile strength defined by the equation of Y=Yo exp(A2εd) wherein Y is the tensile strength in MPa (N/mm2), Yo is the strength of as patented wire, A2 is a coefficient... | 09/27/2005 |
| 6824672 | Use of austenitic stainless steels in applications requiring anti-coking properties An austenitic stainless steel with a composition comprising: at most 0.15% of C; 2% to 10% of Mn; at most 2% of Ni; at most 4% of Cu; 0.1% to 0.4% of N; ... | 11/30/2004 |
| 6440579 | Process for producing a drawn wire made of stainless steel, in particular a wire for reinforcing tires, and wire obtained by the process Process for producing a drawn wire, in particular a wire for reinforcing tires, having a diameter of less than 0.3 mm by drawing a base wire rod having a diameter of greater than 5 mm or a predrawn base wire made of steel with the following composition by... | 08/27/2002 |
| 6322747 | High-strength spring steel A high-strength spring steel having an Hv of at least 600 and an impact value of at least 40 J/cm2, comprising 0.40 to 0.70 wt. % carbon, 1.00 to 2.50 wt. % silicon, 0.30 to 0.90 wt. % manganese, 0.50 to 1.50 wt. % nickel, 1.00 to 2.00 wt. % ch... | 11/27/2001 |
| 6315946 | Ultra low carbon bainitic weathering steel An ultra-low carbon weathering steel has a carbon content of from about 0.015 wt % to about 0.035 wt %; a copper content of from about 0.20 wt % to about 0.40 wt %; a chromium content of from about 0.40 wt % to about 0.70 wt %; a nickel content of from ab... | 11/13/2001 |
| 6277895 | Skeletal iron catalyst having improved attrition resistance and product selectivity in slurry-phase synthesis processes Particulate skeletal iron catalyst is provided which contain at least about 50 wt. % iron with the remainder being a minor portion of a suitable non-ferrous metal and having characteristics of 0.062-1.0 mm particle size, 20-100 m2 /g surface ar... | 08/21/2001 |
| 6265451 | Skeletal iron catalyst and its preparation for Fischer-Tropsch synthesis processes Skeletal iron catalysts are prepared and utilized for producing hydrocarbon products from CO and H2 feeds by Fischer-Tropsch synthesis process. Iron powder is mixed with aluminum, antimony, silicon, tin or zinc powder and 0.01-5 wt % metal prom... | 07/24/2001 |
| 6099797 | Steel tire cord with high tensile strength This invention reveals steel alloys for use in manufacturing reinforcing wires for rubber products, such as tires. The steel filaments made with such steel alloys have an outstanding combination of strength and ductility. The steel alloys of this inventio... | 08/08/2000 |
| 6047747 | System for vehicular, land-based distribution of liquefied natural gas Systems are provided for vehicular, land-based distribution of pressurized liquefied natural gas at a pressure of about 1035 kPa (150 psia) to about 7590 kPa (1100 psia) and at a temperature of about -123° C. (-190° F.) to about -62° C. (-80° F.). The... | 04/11/2000 |
| 5972130 | High impact and thermal shock resistant die steel, dies, dies blocks and method of manufacture thereof A steel and tool made therefrom which in a tempered condition of 388 BHN or softer has high strength, high wear resistance together with excellent toughness in the range of 15% elongation and 35 ft-lbs. charpy and having the following composition: ... | 10/26/1999 |
| 5951944 | Lowly decarburizable spring steel A lowly decarburizable spring steel comprises, on a weight basis, 0.51 to 0.70% of C, 0.15 to 2.50% of Si, 0.40 to 1.20% of Mn, 0.005 to 0.100% of Al, 0.005 to 0.050% of S, at least one of 0.05 to 0.30% of Ni and 0.05 to 1.00% of Cu and, optionally, at le... | 09/14/1999 |
| 5785924 | Steel useful for the manufacture of molds for the injection molding of plastic Steel useful for the manufacture of molds for the injection molding of plastics, the chemical composition of which includes, by weight: 0.03%ࣘCࣘ0.25%, 0%ࣘSiࣘ0.2%, 0%ࣘMnࣘ0.9%, 1.5%ࣘNiࣘ5%, 0%ࣘCrࣘ18%, 0.05%ࣘMo+W/2ࣘ1%, 0%ࣘS... | 07/28/1998 |
| 5656104 | Metal mold for glass forming The present invention aims to provide a metal mold for glass, which needs not apply any swab in molding of glass, enabling no-swabbing glass forming. The alloy for the mold comprises by weight Cu: 10 to 80%, Al: 4 to 11%, Cr: 3 to 16%, Ni: 2 to 36%, and a... | 08/12/1997 |
| 5352304 | High strength low alloy steel A high strength low alloy steel having a yield strength of at least 100 ksi and a Charpy V-notch impact strength of at least 35 ft-lbs. at minus 84° C. (minus 120° F.) at thickness of up to 6 inches is provided wherein the steel consists essentially of ... | 10/04/1994 |
| 5252148 | Soft magnetic alloy, method for making, magnetic core, magnetic shield and compressed powder core using the same A soft magnetic alloy having a composition of general formula: (Fe1-a Nia)100-x-y-z-p-q Cux Siy Bz Crp M1q (I) wherein M | 10/12/1993 |
| 5182079 | Metallic composition and processes for use of the same The invention provides a novel metallic composition and method of using the same. More particularly, the invention affords a tool steel and a method of heat treating the tool steel. In one of the preferred embodiments the tool steel includes about 0.50 to... | 01/26/1993 |
| 5180450 | High performance high strength low alloy wrought steel A high strength, low alloy, low to medium carbon structural steel is provided of the Fe/Cr/C type, said steel characterized by the presence of a small but effective amount of each of Cu and Ni sufficient to enhance the mechanical stability of retained aus... | 01/19/1993 |
| 5129966 | High performance high strength low alloy cast steels A high strength, low alloy, low to medium carbon steel casting is provided of the Fe/Cr/C type containing by weight about 0.1 to 0.5% Si, said steel characterized by the presence of a small but effective amount of each of Cu and Ni sufficient to enhance t... | 07/14/1992 |
| 5059389 | Low alloy steel product A steel product, such as a medium carbon die block, having good impact, ductility, transverse and physical properties, and lower than normal sulphur contents yet having machinability equal or better than higher sulphur levels characterized by a lower than... | 10/22/1991 |
| 5055253 | Metallic composition The invention provides a novel metallic composition and method of using the same. More particularly, the invention affords a tool steel and a method of using the tool steel. In one of the preferred embodiments the tool steel includes about 0.50 to about 0... | 10/08/1991 |
| 5045279 | Corrosion-resistant carbon steel with good drawability characteristics A corrosion-resistant carbon sheet steel with good stamping characteristics is disclosed as relating to compositions for steel resistant to atmospheric corrosion, obtained from a basis composition containing elements such as C, Mn, P, S, Al, Si, and Cu, t... | 09/03/1991 |
| 5023049 | Precipitation hardening tool steel for moulding tools and moulding tool made from the steel The invention relates to a precipitation hardening tool steel for mould tools. The steel contains, expressed in weight-%: 0.01-0.1 C from traces to max 2 Si 0.3-3.0 Mn 1-5 Cr 0.1-1 Mo and Ni as a toughness and hardenability improving element, and Ni and Al as ... | 06/11/1991 |
| 5019189 | Steel pipe and a method for welding thereof and pipeline resistant to carbon dioxide corrosion A pipeline and steel pipe having superior resistance to carbon dioxide corrosion and suitable for transporting crude oil, natural gas and the like containing carbon dioxide. The pipeline includes in combination, pipe sections including a base metal having... | 05/28/1991 |
| 4869758 | Iron/copper/chromium alloy material for high-strength lead frame or pin grid array An iron/copper/chromium alloy material for a high-strength lead frame or pin grid array, which comprises 20 to 90% by weight of Cu and 2.5 to 12% by weight of Cr, with the balance being mainly iron, and which has an average grain size number of at least 1... | 09/26/1989 |
| 4847168 | Slicing saw blade A slicing saw blade comprising a substrate disc and a blade edge consisting essentially of a ultra-hard material deposited along a peripheral edge of said substrate disc, said substrate disc being made of a steel consisting essentially of, by weight, not ... | 07/11/1989 |
| 4737392 | Steel wire with high tensile strength Bending and torsional ductility of high tensile reinforcement steel wire or cord, especially for rubber products, such as tires, is improved by taking care that the steel compositions that are currently used for such application, have an extra low sulphur... | 04/12/1988 |
| 4650645 | Heat-resisting steels A heat-resisting steel suitable for use in valve parts of internal combustion engine is disclosed, which consists essentially by weight percentage of 0.3-0.5% of C, more than 1.0% to 2.5% of Si, 0.1-2.0% of Mn, 0.5-7.0% of Cr, 0.3-2.0% of Mo and 0.1-1.0% ... | 03/17/1987 |
| 4629504 | Steel materials for welded structures Production of steel materials which show excellent HAZ qualities when used for welded structures and contain C: 0.001 to 0.300% Mn: 0.4 to 2.0% P: 0.025% max. S: 0.025% max. Al: 0.007% max. Ti: 0.003 to 0.050% O: 0.0010 to 0.0100% Balance: iron and unavoidable impu... | 12/16/1986 |
| 4622067 | Low activation ferritic alloys Low activation ferritic alloys, specifically bainitic and martensitic stainless steels, are described for use in the production of structural components for nuclear fusion reactors. They are designed specifically to achieve low activation characteristics ... | 11/11/1986 |
| 4426426 | Welding alloy and method Spheroidal graphite cast iron body can be welded using a welding alloy whose carbon diffusion rate is sufficiently high that cementite formation is prevented. The alloy has essentially the following composition: less than 0.2% manganese, less than 2.0% carbon,... | 01/17/1984 |
| 4408652 | Method of continuously casting nickel containing steel wherein surface cracks are prevented An improved method of continuously casting nickel containing steel wherein the formation of surface cracks is prevented. The molten steel which is cast contains less than 0.0020% S, less than 0.0045% N, Ca in an amount of from 0.0020 to 0.0070%, Ni in an ... | 10/11/1983 |
| 4273838 | Weld metal resistant to neutron-bombardment embrittlement A range of weld metals is disclosed that is resistant to changes in nil-ductility transition temperatures (NDTT) caused by exposure to neutron fluences greater than 1×1017 neutrons per square centimeter. Designed for use in nuclear reactor pre... | 06/16/1981 |
| 4261768 | Low alloyed steel having improved corrosion behavior, in particular relative to sea water A low alloyed structural steel for desalination plants with improved corrosion behavior has a carbon content of between 0.01 and 0.15 percent, a chromium content of between 2.0 and 4.5 percent and a columbium content of between 0.1 and 1.0 percent, and if... | 04/14/1981 |
| 4212668 | Steel for atomic reactor vessels A steel containing in percent by weight: the total amount of phosphorus and arsenic contained in said composition is expressed by the following relationship:... | 07/15/1980 |
| 4210445 | Niobium-containing weldable structural steel having good weldability Disclosed herein is a niobium-containing weldable structural steel having good weldability which consists of 0.005-0.04% of C, 0.01-0.50% of Si, 1.20-2.50% of Mn, 0.01-0.07% of Nb, 0.005-0.030% of Ti, 0.005-0.06% of Al and the balance of iron and inevitab... | 07/01/1980 |
