Patents by Inventor Hans-Jürgen Wachter
Hans-Jürgen Wachter 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: 20230234132Abstract: Simulation system for selecting an alloy and a production process for a workpiece to be produced having amorphous properties, wherein the system includes : an input unit, for inputting a requirements profile for the workpiece to be produced, at least one memory unit, to store information data, wherein the information data specifies information concerning physical and/or chemical and/or mechanical properties of a number of alloys for manufacturing workpieces having amorphous properties and information concerning production processes, an analysis unit, to simulate a number of workpieces according to the requirements profile and the information data to create simulation data, to assess the simulated workpieces on the basis of the simulation data and the requirements profile, to select an alloy and a production process for the workpiece to be produced from assessment, and an output unit, to output the selected alloy and the selected production process.Type: ApplicationFiled: May 25, 2021Publication date: July 27, 2023Inventors: Hans Jürgen WACHTER, Eugen MILKE, Hamed SHAKUR SHAHABI
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Publication number: 20230229834Abstract: An inlet screen, arranged at the water inlet of a hydropower plant and comprises a plurality of elongated bars separated by a distance holding means, each elongated bar having in its elongation a proximal portion and a distal portion, and an upstream region and a downstream region, said regions being at an angle in relation to said proximal and distal portions, at least one of said bars defining a space extending along at least a portion of the elongation of said bar, said bar being provided. with an electric heating means. Said elongated bar has an elongated intermediate portion, said space being defined in either of the upstream region and the downstream region, said intermediate portion extending along the elongation of the bar between the upstream region and the downstream region, said electric heating means comprising at least one electric heating member.Type: ApplicationFiled: June 2, 2021Publication date: July 20, 2023Inventors: Hans Jürgen WACHTER, Eugen MILKE, Hamed SHAKUR SHAHABI
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Publication number: 20230201913Abstract: A method for producing a hollow article made of amorphous metal comprising the steps of: a) providing a metal composition, b) melting the composition according to step a) in order to obtain a melt, c) introducing the melt according to step b) into a cavity of a casting mold, the casting mold comprising an inner core, at least a portion of the lateral surface of the inner core being surrounded by a separation element, d) cooling the melt in the casting mold in order to obtain a molded part made of amorphous metal, e) removing the inner core and the separation element from the molded part according to step d) in order to obtain a hollow article made of amorphous metal. The present invention also relates to a hollow article made of amorphous metal, more particularly to a pipe made of amorphous metal.Type: ApplicationFiled: April 6, 2021Publication date: June 29, 2023Inventors: Hans Jürgen WACHTER, Elena BIEN
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Publication number: 20230093303Abstract: Amorphous metals are a new class of materials in which advantageous physical properties can be achieved. Amorphous metals require rapid cooling in the injection-molding process, which is not achieved in the case of a large number of geometries. The invention relates to a method for adapting a component description of a workpiece to be produced with amorphous properties, which method comprises: —defining a cooling behaviour of at least a part of a workpiece to be produced, taking account of a component description of the workpiece; —adapting at least a part of the component description, taking account of the defined cooling behaviour of the workpiece.Type: ApplicationFiled: February 17, 2022Publication date: March 23, 2023Inventors: Hans Jürgen WACHTER, Eugen MILKE, Hamed SHAKUR SHAHABI, Florian THEISEN, Michael KLOSCH-TRAGESER
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Publication number: 20230092277Abstract: The invention relates to a system and method for indicating mechanical properties, and to a computer-readable storage medium, the system having a simulation unit which is designed to determine a cooling behavior of at least a part of a component to be produced, said component having amorphous properties, a computing unit which is designed to determine at least one amorphicity value at least for a part of the component to be produced, taking account of the determined cooling behavior, a prediction unit which is designed to indicate mechanical properties of the component to be produced, taking account of a geometry of the component to be produced, the at least one amorphicity value, at least one production parameter and/or a production method.Type: ApplicationFiled: February 17, 2021Publication date: March 23, 2023Inventors: Hans-Jürgen WACHTER, Eugen MILKE, Hamed SHAKUR SHAHABI, Florian THEISEN, Michael KLOSCH-TRAGESER
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Publication number: 20220118511Abstract: A method for production of an ingot of a bulk glass-forming alloy, comprising the steps of: Providing a homogeneous melt of a bulk glass-forming alloy; casting the homogeneous melt into a casting mould, whereby the casting mould does not cool down below the glass-transition temperature of the alloy at the contact surface to the melt for at least 5 seconds; and cooling down the melt below the glass transition temperature of the bulk glass-forming alloy while obtaining the ingot.Type: ApplicationFiled: January 30, 2020Publication date: April 21, 2022Inventors: Tim Gläser, Hamed Shakur Shahabi, Eugen Milke, Hans-Jürgen Wachter
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Patent number: 11214854Abstract: The present invention relates to an alloy which has the following composition: Cu47at %?(x+y+z)(TiaZrb)cNi7at %+xSn1at %+ySiz where c=43-47 at %, a=0.65-0.85, b=0.15-0.35, where a+b=1.00; x=0-7 at %; y=0-3 at %, z=0-3 at %, where y+z?4 at %.Type: GrantFiled: August 9, 2018Date of Patent: January 4, 2022Assignee: Heraeus Deutschland GmbH & Co. KGInventors: Ralf Busch, Alexander Elsen, Moritz Stolpe, Hans Jürgen Wachter, Eugen Milke
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Publication number: 20210162641Abstract: One aspect relates to an injection molding system for the injection molding of amorphous metals, an injection molding unit for the injection molding of amorphous metals and an injection molding process for amorphous metals. The injection molding system includes a channel for feeding a molten metal and a slider unit including a slider and a pressure system. The slider is located between the channel and at least one injection molding cavity and is movable between a rest position and an injection position. In the rest position, the slider blocks the access of the molten metal to the injection molding cavity and in the injection position it allows the molten metal to access the injection molding cavity. The pressure system holds the slider in the rest position and allows the slider to move to the injection position when a minimum pressure is exceeded.Type: ApplicationFiled: November 25, 2020Publication date: June 3, 2021Applicant: Heraeus Amloy Technologies GmbHInventors: Elena BIEN, Hans Jürgen WACHTER, Eugen MILKE, Hamed SHAKUR SHAHABI, Christian PIETSCH
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Publication number: 20200208243Abstract: The present invention relates to an alloy which has the following composition: Cu47 at %?(x+y+z)(TiaZrb)cNi7 at %+xSn1 at %+ySiz where c=43-47 at %, a=0.65-0.85, b=0.15-0.35, where a+b=1.00; x=0-7 at %; y=0-3 at %, z=0-3 at %, where y+z?4 at %.Type: ApplicationFiled: August 9, 2018Publication date: July 2, 2020Inventors: Ralf BUSCH, Alexander ELSEN, Moritz STOLPE, Hans Jürgen WACHTER, Eugene MILKE
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Publication number: 20170151609Abstract: The invention relates to a method for producing a component from an at least partially amorphous metal alloy, having the steps of: preparing a powder of an at least partially amorphous metal alloy, wherein the powder consists of spherical powder particles and the powder particles have a diameter of less than 125 ?m; pressing the powder into the desired shape of the component to be generated; compressing and sintering the powder by means of a heat treatment of the powder during pressing or after pressing at a temperature between the transformation temperature and the crystallisation temperature of the amorphous phase of the metal alloy, wherein the duration of the heat treatment is chosen such that the component is sintered after heat treatment and has an amorphous fraction of at least 85 percent.Type: ApplicationFiled: May 12, 2015Publication date: June 1, 2017Applicant: HERAEUS DEUTSCHLAND GMBH & CO. KGInventors: Alexander ELSEN, Annette LUKAS, Hans-Jürgen WACHTER
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Patent number: 9499891Abstract: A class of alloys is provided that form metallic glass upon cooling below the glass transition temperature Tg at a rate below 100° K/sec. The alloys have a high value of temperature difference (DT) between the crystallization temperature (Tx) and the glass transition temperature (Tg) of the intermetallic alloy. Such alloys comprise zirconium in the range of 70 to 80 weight percent, beryllium in the range of 0.8 to 5 weight percent, copper in the range of 1 to 15 weight percent, nickel in the range of 1 to 15 weight percent, aluminum in the range of 1 to 5 weight percent and niobium in the range of 0.5 to 3 weight percent, or narrower ranges depending on other alloying elements and the critical cooling rate and value of DT desired. Furthermore, methods are provided for making such metallic glasses.Type: GrantFiled: August 23, 2013Date of Patent: November 22, 2016Assignees: Heraeus Deutschland GmbH & Co. KG, Heraeus Materials Technology North America LLCInventors: Hans Jürgen Wachter, Frank Krüger, Bernd Kunkel, Xiaoyun Wang, Doug Shearer
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Publication number: 20150053313Abstract: A class of alloys is provided that form metallic glass upon cooling below the glass transition temperature Tg at a rate below 100° K/sec. The alloys have a high value of temperature difference (DT) between the crystallization temperature (Tx) and the glass transition temperature (Tg) of the intermetallic alloy. Such alloys comprise zirconium in the range of 70 to 80 weight percent, beryllium in the range of 0.8 to 5 weight percent, copper in the range of 1 to 15 weight percent, nickel in the range of 1 to 15 weight percent, aluminum in the range of 1 to 5 weight percent and niobium in the range of 0.5 to 3 weight percent, or narrower ranges depending on other alloying elements and the critical cooling rate and value of DT desired. Furthermore, methods are provided for making such metallic glasses.Type: ApplicationFiled: August 23, 2013Publication date: February 26, 2015Inventors: Hans Jürgen WACHTER, Frank KRÜGER, Bernd KUNKEL, Xiaoyun WANG, Doug SHEARER
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Patent number: 8956491Abstract: A method is provided for manufacturing a partially coated carrier structure including a carrier tape coated by a coating. A protective film is applied to at least a portion of the coating, the coating is partially removed from the carrier tape, and the protective film is removed from the coating. A device for manufacturing a partially coated carrier structure by a method of this type includes a first conveying facility for conveying a carrier tape coated by a coating, an application facility for application of a protective film to at least a portion of the coating, and at least one tool that can be used to partially remove the coating from the carrier tape.Type: GrantFiled: April 5, 2012Date of Patent: February 17, 2015Assignee: Heraeus Deutschland GmbH & Co. KGInventors: Hans-Jürgen Wachter, Johannes Müller, Josef Roth
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Publication number: 20150038034Abstract: Known textile flat structures contain precious metal wire or they are composed completely thereof. In order to achieve high flexural and tensile strength, at the same time with high flexibility of the flat structure, the precious metal wire is configured as a precious metal cord having a plurality of cords or a plurality of individual precious metal wires or a combination of cords and individual precious metal wires, which are in each case laid around one another and/or twisted around one another.Type: ApplicationFiled: January 23, 2013Publication date: February 5, 2015Applicant: Heraeus Materials Technology GmbH & Co. KGInventors: Annette Lukas, Stefan Lang, Hans-Jürgen Wachter, Ulrich Koops
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Publication number: 20120270019Abstract: A method is provided for manufacturing a partially coated carrier structure including a carrier tape coated by a coating. A protective film is applied to at least a portion of the coating, the coating is partially removed from the carrier tape, and the protective film is removed from the coating. A device for manufacturing a partially coated carrier structure by a method of this type includes a first conveying facility for conveying a carrier tape coated by a coating, an application facility for application of a protective film to at least a portion of the coating, and at least one tool that can be used to partially remove the coating from the carrier tape.Type: ApplicationFiled: April 5, 2012Publication date: October 25, 2012Applicant: HERAEUS MATERIALS TECHNOLOGY GMBH & CO. KGInventors: Hans-Jürgen WACHTER, Johannes Müller, Josef ROTH
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Publication number: 20110014399Abstract: A stimulation electrode is provided having an electrically conducting electrode base member which is partially covered with an electrically insulating ceramic layer. The ceramic layer is formed of an oxide and/or an oxynitride of at least one metal of the group of titanium, niobium. tantalum, zirconium, aluminum and silicon. Various methods are provided for production of the stimulation electrode, including methods in which the ceramic layer is formed in situ by a thermal, chemical or electrochemical oxidation or oxynitridation process. The stimulation electrode may be used as a cardiac pacemaker electrode, a neuro-stimulation electrode, or another human implant.Type: ApplicationFiled: September 28, 2010Publication date: January 20, 2011Applicant: W.C. HERAEUS GMBHInventors: Matthias FRERICKS, Oliver KEITEL, Frank Krüger, Heiko SPECHT, Hans-Jürgen WACHTER, Christiane LEITOLD
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Patent number: 7745732Abstract: A wire for use in medical applications. The wire is formed by forming a bundle from a plurality of metallic strands and positioning the bundle within an outer tube. The tube and strands are then drawn down to a predetermined diameter to form a wire for use in medical devices. The wire may be covered with an insulating material.Type: GrantFiled: January 29, 2009Date of Patent: June 29, 2010Assignees: Fort Wayne Metals Research Products Corporation, W.C. Heraeus GmbH & Co. KGInventors: Mark S. Michael, Hans-Juergen Wachter, Robert J. Myers
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Patent number: 7603169Abstract: An electrode for medical applications is provided with a PtIr coating which is at least partly porous. The coating contains more than 20% iridium by weight and at least 100 ppm Pt. The coated areas of the electrode exhibit an electrochemical capacitance of more than 5 mF/cm2 in physiological saline solution at 37° C. and a measurement frequency of 100 mHz. A sputter process is suitable for this purpose, in which a porous platinum-iridium layer is deposited on the electrode by simultaneously sputtering at least one iridium target and at least one platinum target.Type: GrantFiled: March 17, 2006Date of Patent: October 13, 2009Assignee: W.C. Heraeus GmbHInventors: Frank Krüger, Heiko Specht, Hans-Jürgen Wachter, Oliver Keitel
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Publication number: 20090133899Abstract: A wire for use in medical applications. The wire is formed by forming a bundle from a plurality of metallic strands and positioning the bundle within an outer tube. The tube and strands are then drawn down to a predetermined diameter to form a wire for use in medical devices. The wire may be covered with an insulating material.Type: ApplicationFiled: January 29, 2009Publication date: May 28, 2009Applicants: FORT WAYNE METALS RESEARCH PRODUCTS CORPORATION, W. C. HERAEUS GMBH & CO. KGInventors: Mark S. Michael, Hans-Juergen Wachter, Robert J. Myers
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Patent number: 7501579Abstract: A wire for use in medical applications. The wire is formed by forming a bundle from a plurality of metallic strands and positioning the bundle within an outer tube. The tube and strands are then drawn down to a predetermined diameter to form a wire for use in medical devices. The wire may be covered with an insulating material.Type: GrantFiled: August 15, 2005Date of Patent: March 10, 2009Assignees: Fort Wayne Metals Research Products Corporation, W.C. Heraeus GmbH & Co., KGInventors: Mark S. Michael, Hans-Jüergen Wachter, Robert J. Myers