Patents by Inventor Ulrich Heubner
Ulrich Heubner has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20010018400Abstract: A completely metallic catalyst for the oxidation of mixtures in the gaseous phase which contain carbon monoxide, hydrocarbons and/or soot, has a surface doped with a metallic element and is subjected to a second thermal treatment in an oxygen-containing atmosphere.Type: ApplicationFiled: September 30, 1999Publication date: August 30, 2001Applicant: Wilfred HerdaInventors: WILFRIED HERDA, ULRICH HEUBNER, JURGEN KOPPE, HARTMUS LAUSCH
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Patent number: 6274532Abstract: A completely metallic catalyst for the oxidation of mixtures in the gaseous phase which contain carbon monoxide, hydrocarbons and/or soot, has a surface doped with a metallic element and is subjected to a second thermal treatment in an oxygen-containing atmosphere.Type: GrantFiled: September 30, 1999Date of Patent: August 14, 2001Assignee: Krupp VDM GmbHInventors: Wilfried Herda, Ulrich Heubner, Jürgen Koppe, Hartmut Lausch
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Patent number: 6203632Abstract: The invention relates to iron-chromium aluminum metal foil which is resistant to high-temperature oxidation. Said metal foil is produced by hot-dip aluminizing an iron-chromium support band with an aluminum-silicon alloy. The foil has the following composition in weight percent: 18-25% Cr. 4-10% Al, 0.03-0.08% Y, max. 0.01% Ti, 0.01-0.05% Zr, 0.01-0.05% Hf, 0.5-1.5% Si. It also contains residual iron and impurities resulting from the method of production. The total aluminum content of the coated metal foil is at least 7% near the surface and not less than 3% further inside.Type: GrantFiled: July 1, 1999Date of Patent: March 20, 2001Assignee: Krupp VDM GmbHInventors: Ulrich Heubner, Angelika Kolb-Telieps, Ralf Hojda
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Patent number: 5843394Abstract: The invention relates to an all-metal catalyst for the oxidation of gaseous sulphur compounds, more particularly hydrogen sulphide, in an oxygen-containing atmosphere, said catalyst consisting of a metal alloy of 5 to 70% by weight nickel and 30 to 95% by weight copper as residue thermally treated at temperatures of 400.degree. to 1000.degree. C. in an oxygen-containing atmosphere for 0.25 to 5 hours.Type: GrantFiled: June 6, 1997Date of Patent: December 1, 1998Assignee: Wabco GmbHInventors: Ulrich Heubner, Wilfried Herda, Jurgen Koppa, Harmut Lausch
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Patent number: 5695716Abstract: The present invention relates to high chromium, corrosion resistant, austenitic alloys and to the use thereof.Type: GrantFiled: May 21, 1996Date of Patent: December 9, 1997Assignees: Bayer Aktiengesellschaft, Krupp VDM GmbHInventors: Michael Kohler, Ulrich Heubner, Kurt-Wilhelm Eichenhofer, Michael Renner
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Patent number: 5429690Abstract: The Application relates to a precipitation hardening alloy which has a 0.2% proof stress of at least 500 N/mm.sup.2 and a high resistance to corrosion in highly aggressive sour gas media. The alloy consists of 43 to 51% nickel, 19 to 24% chromium, 4.5 to 7.5% molybdenum, 0.4 to 2.5% copper, 0.3 to 1.8% aluminium and 0.9 to 2.2% titanium, residue iron. Heat treatment processes are described which allow the establishment in the alloy of high strength accompanied by satisfactory ductility.Type: GrantFiled: June 9, 1992Date of Patent: July 4, 1995Inventors: Ulrich Heubner, Michael Kohler, Greg Chitwood, Jon Bryant
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Patent number: 5417918Abstract: The invention relates to an austenitic nickel-chromium-molybdenum alloy having high resistance to general corrosion, crevice, pitting and stress crack corrosion and also intercrystalline corrosion, consisting of (in % by weight):carbon: up to 0.01%silicon: up to 0.05%manganese: up to 0.50%phosphorus: up to 0.020%sulphur: up to 0.010%chromium: 14.0 to 18.0%molybdenum: 14.0 to 18.0%cobalt: up to 2.0%tungsten: up to 0.5%calcium 0.001 to 0.010%magnesium: 0.001 to 0.020%aluminium: 0.05 to 0.30%nitrogen: up to 0.02%iron: up to 3.0%copper: up to 0.5%titanium: up to 0.01%residue nickel and usual impurities due to melting, the sum of the contents (carbon+silicon+titanium) being limited to 0.05% at the most, and the sum of the elements (calcium+magnesium+aluminium) being adjusted within the limits 0.055 to 0.33%.Type: GrantFiled: February 2, 1993Date of Patent: May 23, 1995Assignee: Krupp VDM GmbHInventors: Michael Kohler, Ulrich Heubner
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Patent number: 5296054Abstract: The invention relates to a high-silicon-content corrosion-resistant austenitic steel, characterized by alloying contents (in % by weight) of______________________________________ max. 0.2% C 10 to 25% Ni 8 to 13% Cr 6.5 to 8% Si 0 to 10% Mn and/or Co max. 0.010% S max. 0.025% P ______________________________________residue iron and the usual admixtures and impurities due to manufacture.The steel is suitable as a material for the production of corrosion-resistant articles for the handling of highly concentrated hot sulphuric acid, highly concentrated hot nitric acid and other strongly oxidizing media, such as chromic acid, in the form of rolled plates, strips, pipes, rods, wires and other forms of product.Type: GrantFiled: June 4, 1992Date of Patent: March 22, 1994Assignees: I.P. Bardin Central Research Institute of Iron & Steel, Krupp-VDM GmbHInventors: Levin F. Lvovich, Goronkova A. Dmitrievna, Kzasnykh V. Ivanovich, Rolf Kirchheiner, Michael Kohler, Ulrich Heubner
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Patent number: 4906437Abstract: For use in making components which are required to have a very high resistance to uniform corrosion and against pitting and crevice corrosion under very highly corrosive conditions encountered in up to date chemical process technology and environmental protection technology, for instance, in flue gas desulfurizing plants for concentrating sulfuric acid, and which are required to be manufactured satisfactorily by conventional hot and cold forming processes an alloy is employed which contains (in % by weight) 22.0 to 24.0 chromium, 15.0 to 16.5 molybdenum, up to 0.3% tungsten, up to 1.5% iron, up to 0.4% vanadium, 0.1 to 0.4% aluminum, 0.001 to 0.04% magnesium and 0.001 to 0.01 calcium, balance nickel and inevitable accompanying elements and impurities.Type: GrantFiled: February 21, 1989Date of Patent: March 6, 1990Assignee: VDM Nickel-Technologie AktiengesellschaftInventors: Ulrich Heubner, Michael Kohler, Manfred Rockel, Ernst Wallis
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Patent number: 4876065Abstract: Disclosed in an improvement in a known Ni-Cr-Fe alloy.The alloy of the invention contains 30 to 32% nickel; 26 to 28% chromium; 0.5 to 1.5% copper; 6 to 7% molybdenum; up to 2% manganese; up to 1.0% silicon; up to 0.2% aluminum; up to 0.03% carbon; 0.10 to 0.25% nitrogen; balance iron and usual impurities.The alloy of the invention has increased pitting corrosion potential and critical crevice corrosion and pitting corrosion temperatures whereas the resistance of the alloy to commercially pure phosphoric acid has not been decreased.Type: GrantFiled: May 19, 1988Date of Patent: October 24, 1989Assignee: VDM Nickel-Technologie AktiengesellschaftInventors: Manfred Rockel, Ernst Wallis, Michael Kohler, Ulrich Heubner, Rolf Kirchheiner
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Patent number: 4436790Abstract: A copper-base alloy which consists essentially of 1 to 7% tin and 1 to 7% aluminum and contains aluminum and tin in a total not in excess of 10%, balance copper and inevitable impurities which are due to the manufacturer, is disclosed. It is useful as a coinage material of gold color.Type: GrantFiled: April 22, 1982Date of Patent: March 13, 1984Assignee: Vereinigte Deutsch Metallwerke AGInventors: Bruno Prinz, Manfred B. Rockel, Gunther Rudolph, Ulrich Heubner, Hugo Zoebe
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Patent number: 4401488Abstract: An alloy useful as a coinage alloy, especially as a cladding for a coin comprising a core and a cladding is disclosed. The alloy consists essentially of 4 to 6% nickel, 4 to 6% aluminum, balance copper and inevitable impurities which are due to the manufacture. Also disclosed are coins made therefrom having a gold-like color.Type: GrantFiled: April 22, 1982Date of Patent: August 30, 1983Assignee: Vereinigte Deutsch Metallwerke AGInventors: Bruno Prinz, Manfred B. Rockel, Gunther Rudolph, Ulrich Heubner, Hugo Zoebe
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Patent number: 4364807Abstract: A lead alloy anode for a cell for the electrowinning or electrolytic recovery of zinc consists of 0.05 to 0.25% by weight strontium and/or 0.05 to 0.1% by calcium in combination with 0.1 to 0.5 silver, balance lead. The cell is used in a method for the recovery of zinc at, for example, a current density of 160 to 630 amp/m.sup.2, a temperature of 30.degree. to 46.degree. C. and an electrolyte containing 40 to 70 g/l zinc and 165 to 220 g/l sulfuric acid.Type: GrantFiled: February 11, 1981Date of Patent: December 21, 1982Assignee: Ruhr Zink GmbHInventors: Adolf von Ropenack, Gunter Stock, Ulrich Heubner
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Patent number: 4310353Abstract: A low-antimony lead alloy for use in the manufacture of paste-holding grids for lead-acid storage batteries contains 0.05 up to but less than 1.5 percent antimony. Such alloys represent an optimum combination of good processability, freedom from need for maintenance, low self-discharge rate and high cycle strength.Type: GrantFiled: February 25, 1980Date of Patent: January 12, 1982Assignee: Metallgesellschaft AGInventors: Eberhard Nann, Ulrich Heubner
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Patent number: 4027716Abstract: A belt-type metal-casting machine comprises a metallic casting belt, preferably of steel, having its side turned toward the melt formed with a heat-lagging (thermal-insulating) layer upon which at least one abrasion-resistant cover layer is applied. The cover layer consists of one or more metals whose fusion temperature or melting point in Kelvin .degree. is equal to or greater than 0.7 times the melting temperature, in .degree.K, of the casting metal to be applied.Type: GrantFiled: March 7, 1975Date of Patent: June 7, 1977Assignees: Metallgesellschaft Aktiengesellschaft, Schweizerische Aluminium AGInventors: Reiner Theobald, Ulrich Heubner
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Patent number: 3993480Abstract: A lead-antimony alloy is disclosed containing 0.5-3.5% by weight antimony, 0.025-0.3% by weight arsenic, 0.005-0.1% by weight selenium, 0.002-0.05% by weight tin, 0.01-0.1% by weight copper, balance lead. The alloy also preferably contains from 0.025-0.1% by weight silver.Type: GrantFiled: January 28, 1975Date of Patent: November 23, 1976Assignee: Metallgesellschaft AktiengesellschaftInventors: Armin Ueberschaer, Ulrich Heubner, Max Reinert