Patents Assigned to RHEINISCH-WESTFAELISCHE TECHNISCHE
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Publication number: 20220335322Abstract: An electronic structure component (10, 110, 210, 310, 410) for logically connecting qubits of a quantum computer is formed by a semiconductor component or a semiconductor-like structure. It comprises a substrate (12) with a two-dimensional electron gas or electron hole gas and gate electrode assemblies (116, 118, 120) having gate electrodes (122, 124, 126, 128), which are arranged on a surface (14) of the electronic structure component (10, 110, 210, 310, 410). Electrical contacts connect the gate electrode assemblies (116, 118, 120) to voltage sources. The gate electrodes (122, 124, 126, 128) of the gate electrode assemblies (116, 118, 120) have parallel electrode fingers (132, 134, 136, 138).Type: ApplicationFiled: September 21, 2020Publication date: October 20, 2022Applicants: Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen, Forschungszentrum Jülich GmbHInventors: Matthias KÜNNE, Hendrik BLUHM, Lars SCHREIBER
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Patent number: 11471787Abstract: The invention relates to a method for transferring a target substance (5), particularly a target molecule (5), between two liquid phases (4, 6; 6, 8; 6, 11), of which at least one phase (4, 6) comprises the target substance (5) to be transferred and at least one phase (4, 8, 11) is an aqueous phase, where at least the aqueous phase (4, 8, 11) is arranged in one of two electrode chambers (1a, 1b, 10a, 10b) which are electroconductively connected, preferably by charge carrier exchange, and separated in terms of the volumes thereof, preferably where the phases (4, 6; 6, 8; 6, 11) are arranged together in one of two electrode chambers (1a, 1b, 10a, 10b) which are electroconductively connected and separated in terms of the volumes thereof, and a pH-value modification is generated by the H and/or OH ions created during the electrolysis in the aqueous phase (4, 8, 11), said modification initiating a transfer process of the target substance (5) between the phases (4, 6; 6, 8; 6, 11).Type: GrantFiled: January 28, 2019Date of Patent: October 18, 2022Assignee: RHEINISCH-WESTFAELISCHE-TECHNISCHE HOCHSCHULEInventors: Armin Eggert, Marcel Gausmann, Andreas Jupke, Tim Massmann
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Publication number: 20220327072Abstract: An electronic component (10) is formed by a semiconductor component or a semiconductor-like structure having gate electrode assemblies (16, 18), for reading out the quantum state of a qubit in a quantum dot (42). The electronic component (10) comprises a substrate (12) having a two-dimensional electron gas or electron hole gas. Electrical contacts connect the gate electrode assemblies (16, 18) to voltage sources. The gate electrode assemblies (16, 18) have gate electrodes (20, 22, 30, 32, 34, 38, 40), which are arranged on a surface (14) of the electronic component (10), for producing potential wells (46, 48, 62, 64, 66) in the substrate (12).Type: ApplicationFiled: September 21, 2020Publication date: October 13, 2022Applicants: Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen, Forschungszentrum Jülich GmbHInventors: Matthias KÜNNE, Hendrik BLUHM, Lars SCHREIBER
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Publication number: 20220316112Abstract: The invention relates to a method for producing a vascular implant. The method comprises: obtaining vessel parameters; creating a computer-aided model of a vascular implant based on the obtained vessel parameters, wherein the vascular implant comprises one or more modules, each comprising at least one tubular liner body; selecting one or more structural elements of a respective module from the group consisting of: one or more diameter changes along at least one tubular liner body, one or more bifurcations, one or more branches, one or more recesses, one or more local reinforcements, and one or more iliac vessel grafts. The method further comprises: determining parameters relating to the one or more selected structural elements; integrating the structural elements into the computer-aided model according to the determined parameters; and producing the vascular implant based on the created computer-aided model. Furthermore, the invention relates to vascular implants produced by means of the method.Type: ApplicationFiled: May 5, 2020Publication date: October 6, 2022Applicant: RHEINISCH-WESTFÄLISCHE TECHNISCHE HOCHSCHULE (RWTH) AACHENInventors: Valentine GESCHÉ, Alexander LÖWEN, Kathrin KURTENBACH, Thomas GRIES
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Patent number: 11457979Abstract: A surgical planning system for the reconstruction of missing or damaged bone parts comprises processing circuitry for receiving 3D image data regarding at least one osseous donor area, processing the 3D image data into structured 3D image data where osseous portions are distinguished from soft tissues and/or vascular systems, reading in of 3D target data regarding a missing or damaged bone part, obtaining one or more 3D target curves in relation to the 3D target data and the 3D image data of the at least one osseous donor area, and segmenting the structured 3D image data with the osseous portions of the osseous donor area into segments, where the segments within the structured 3D image data are determined based on the 3D target data and an adaptation of sections of the one or more 3D target curves.Type: GrantFiled: December 11, 2018Date of Patent: October 4, 2022Assignee: RHEINISCH-WESTFÄLISCHE TECHNISCHE HOCHSCHULE (RWTH) AACHENInventors: Ali Modabber, Stefan Raith
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Patent number: 11454258Abstract: The invention relates to a fluid-driven drive having a movable working surface and a volume-variable cavity, further having an unstable element, wherein given a movement of the working surface in a first movement direction, the unstable element can initially be moved at least in a section with an increased expenditure of force out to an unstable point, wherein when going past the unstable point in the first movement direction, in addition to the force that is provided by fluid pressure, a force exerted by the unstable element is also available in the direction of the first movement direction, wherein given a subsequent movement of the working surface in a second movement direction opposite to the first movement direction, the unstable element can be initially moved with an increased expenditure of force out to an unstable point, wherein when passing the unstable point in the second movement direction, a lower expenditure of force is required for movement at least sectionally.Type: GrantFiled: December 20, 2019Date of Patent: September 27, 2022Assignee: RHEINISCH-WESTFÄLISCHE TECHNISCHE HOCHSCHULE (RWTH) AACHENInventor: Olivier Reinertz
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Publication number: 20220293846Abstract: An electronic component (10, 110) is designed as a semiconductor or with a semiconductor-like structure for moving a quantum dot (68, 168) over a distance. The electronic component (10, 110) comprises a substrate (32, 132) having a two-dimensional electron gas or electron hole gas. A gate electrode assembly (16, 18, 20, 116, 118, 120) having gate electrodes (38, 40, 42, 44, 138, 140, 142, 144) is arranged on a surface (31, 131) of the electronic component (10, 110). The gate electrode assembly (16, 18, 20, 116, 118, 120) produces a potential well (66, 166) in the substrate (32, 132). Electrical terminals for connecting the gate electrode assembly (16, 18, 20, 116, 118, 120) to voltage sources are provided for this purpose. The disclosure further relates to a method for such an electronic component (10, 110).Type: ApplicationFiled: September 1, 2020Publication date: September 15, 2022Applicants: Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen, Forschungszentrum Jülich GmbHInventors: Inga SEIDLER, Hendrik BLUHM, Lars SCHREIBER, Matthias KÜNNE
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Publication number: 20220233325Abstract: A wrist endoprosthesis (2) for functional replacement of the human wrist, containing a radius component (4) that has a shaft (10) for anchoring in the radius, a head (12), and a first joint surface (16), which is implemented on a distal head face (14), and a carpal component (6) that has a proximal carpal face (22), a distal carpal face (20) and a second joint surface (24) which is formed on the proximal carpal face (22) and interacts with the first joint surface (169) of the radius component (4), characterized in that the carpal component (6) is substantially trough-shaped, in order to at least partially surround the carpal bones. Also, a wrist endoprosthesis (2) that has anti-luxation protection (8), a method for producing wrist endoprostheses (2) and a computer program product.Type: ApplicationFiled: May 26, 2020Publication date: July 28, 2022Applicant: Rheinisch-Westfälische Technische Hochschule Aachen (RWTH)Inventors: Sophia LEVEN, Jörg ESCHWEILER, Markus TINGART, Björn RATH
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Publication number: 20220215878Abstract: A phase-change memory (10) for the non-volatile storage of binary contents stores the binary contents electrically and/or optically in a non-volatile manner by locally switching a material (18) between an amorphous and a crystalline phase. The state with respect to the electrical conductivity of the material (18) and/or the reflection properties of the material (18) determines the information content of the phase-change memory (10). A method for non-volatile storage of binary contents in a phase-change memory (10), which stores the binary contents electrically and/or optically in a non-volatile manner by locally switching a material (18) between an amorphous and a crystalline phase, whereby the state with respect to the electrical conductivity of the material (18) and/or the reflection properties of the material (18) determines the information content of the phase-change memory (10).Type: ApplicationFiled: April 21, 2020Publication date: July 7, 2022Applicant: Rheinisch-Westfälische Technische Hochschule (RWTH) AachenInventors: Shuai WEI, Matthias WUTTIG, Yudong CHENG, Julian PRIES, Xiaoling LU
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Patent number: 11291754Abstract: A system for the extracorporeal elimination of carbon monoxide, includes at least one pump and a gas exchange chamber, wherein the at least one pump can be connected to the blood circulatory system of a person by way of a first tube section connectable to a cannula and is connected to a gas exchange chamber via a second tube section, wherein the system is configured to transfer blood, via the first tube section, from the blood circulatory system of the person by way of at least one pump into the gas exchange chamber, and to return the blood from the gas exchange chamber to the blood circulatory system of the person via the same first tube section.Type: GrantFiled: February 14, 2017Date of Patent: April 5, 2022Assignee: RHEINISCH-WESTFAELISCHE TECHNISCHE HOCHSCHULE (RWTH) AACHENInventors: Jutta Arens, Ralf Borchardt, Peter Christian Schlanstein, Thomas Schmitz-Rode, Lotte Schraven, Georg Wagner, Ulrich Steinseifer
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Publication number: 20220011373Abstract: An exciter unit, a battery system including the exciter unit, and a method for determining a battery state of at least one battery cell. The method includes: a. applying a current-exciting signal; b. recording an impedance spectrum of the battery cell; c. determining an evaluation variable on the basis of a measured impedance spectrum. At least one of the amplitude, frequency and relative phase difference of at least one component of the current-exciting signal is modified as a function of the first measured response signal such that a measuring error is minimized, a further measured response signal is determined and evaluated, the value evaluated is used as an evaluation variable, and the battery state variables of the battery cell are determined on the basis of a comparison of at least one diagnostic variable with at least one reference value and/or with at least one further diagnostic variable.Type: ApplicationFiled: September 26, 2019Publication date: January 13, 2022Applicant: RHEINISCH-WESTFÄLISCHE TECHNISCHE HOCHSCHULE (RWTH) AACHENInventors: Hendrik ZAPPEN, Alexander GITIS
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Publication number: 20220009900Abstract: The present invention relates to the synthesis of N-trifluoromethylcarbonyl compounds starting from isothiocyanates, which can be converted into N-trifluoromethylcarbamoyl fluorides or similar compounds, which later on can be derivatized further to amides, ureas, carbamates, thiocarbamates and selenocarbamates.Type: ApplicationFiled: November 19, 2019Publication date: January 13, 2022Applicant: RHEINISCH-WESTFÄLISCHE TECHNISCHE HOCHSCHULE (RWTH) AACHENInventors: Franziska SCHOENEBECK, Thomas SCATTOLIN
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Publication number: 20210251740Abstract: The invention relates to a method for producing a stent graft. The method comprises providing a graft made of a first polymer-based material and applying a stent structure comprising a plurality of struts made of a second polymer-based material onto the graft by means of an additive manufacturing method. The invention further relates to a stent graft produced by means of the method.Type: ApplicationFiled: June 25, 2019Publication date: August 19, 2021Applicant: RHEINISCH-WESTFÄLISCHE TECHNISCHE HOCHSCHULE (RWTH) AACHENInventors: Alexander LÖWEN, Valentine GESCHÉ, Stefan JOCKENHÖVEL, Thomas GRIES
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Publication number: 20210194070Abstract: A diagnostic device for critical changes in batteries having multi-layered structures, a battery system including the diagnostic device, and a method of use thereof. The device determines critical changes relative to a target state in battery cells having a plurality of layers frictionally connected to each other, at least one receiver and, optionally, a transmitter. The receiver receives acoustic plate waves and/or acoustic torsion waves and transmits a corresponding signal to an evaluating unit that evaluates parameters characteristic for an actual state of the battery cell, and compares them to at least one previously defined threshold. Exceeding or falling short of the threshold is evaluated as identification of battery cells having a critical change to the physical properties thereof. A transmitter of the diagnostic device is suitable for exciting the acoustic plate waves or torsion waves in the battery cell having a propagation direction along the layers.Type: ApplicationFiled: March 27, 2018Publication date: June 24, 2021Applicant: RHEINISCH-WESTFÄLISCHE TECHNISCHE HOCHSCHULE (RWTH) AACHENInventor: Alexander GITIS
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Patent number: 11007148Abstract: The present invention provides an amphiphilic block copolymer for drug delivery and a controlled release system comprising the same copolymer. The copolymer comprises at least one hydrophilic block and at least one hydrophobic block, wherein the hydrophobic block is selected from the group consisting of acrylates, methacrylates, acrylamides, methacrylamides, vinylethers and their aromatic derivatives, wherein at least one hydrophobic block contains an aryl group, which is bound to the hydrophobic block with a degradable linker. The controlled release system of the invention shows high stability and high drug retention when administered in vivo enabling accumulation and drug release at the site of action.Type: GrantFiled: August 11, 2015Date of Patent: May 18, 2021Assignee: Rheinisch-Westfälische Technische Hochschule (RWTH) AachenInventors: Wilhelmus Everhardus Hennink, Yang Shi, Cornelus Franciscus van Nostrum
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Patent number: 10998800Abstract: The invention relates to a method of manufacturing a rotor for an electric machine, wherein the rotor is composed of at least one electric sheet wherein at least one electric sheet is thermally treated regionally to directly modify its magnetic permeability in the treated region.Type: GrantFiled: October 29, 2015Date of Patent: May 4, 2021Assignee: RHEINISCH-WESTFÄLISCHE TECHNISCHE HOCHSCHULE (RWTH) AACHENInventors: Tobias Lange, Rik W. De Doncker, Mareike Schenk, Stefan Koschik
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Patent number: 10988871Abstract: A three-dimensional knitted fabric with a large-diameter circular knitting machine is knitted with a plurality of stitches that form a plurality of stitch courses oriented in each case in a stitch-course direction of the knitted fabric and a plurality of stitch wales oriented in each case in a stitch-wale direction of the knitted fabric, wherein at least one of the stitches is in the form of at least one corrugation-forming stitch, which extends in the stitch-wale direction over a plurality of stitch courses and binds at least one corrugation in the knitted fabric.Type: GrantFiled: October 4, 2017Date of Patent: April 27, 2021Assignee: RHEINISCH-WESTFÄLISCHE TECHNISCHE HOCHSCHULE (RWTH) AACHENInventors: Kristina Fuhrmann, Thomas Gries, Isabel Schrepfer, Richard Riedlinger
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Patent number: 10907180Abstract: The present invention relates to a host cell comprising an rhlA gene or an ortholog thereof that is capable of producing hydroxyalkanoyloxy alkanoic acid (HAA) and achieving an HAA concentration of more than 1 g L?1 when cultured. The invention further relates to methods of producing such a host cell and to the use of said host cell for producing HAA. The present invention also relates to methods of producing HAA using said host cell, HAA compositions produced by these methods, as well as methods of producing fatty acid compositions, fatty alcohol compositions, or hydrocarbon compositions comprising producing HAA using said host cell, and fatty acid compositions, fatty alcohol compositions, or hydrocarbon compositions produced by said methods.Type: GrantFiled: July 6, 2016Date of Patent: February 2, 2021Assignee: Rheinisch-Westfaelische Technische Hochshule Aachen (RWTH)Inventors: Lars M. Blank, Till Tiso, Andrea Germer
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Patent number: 10873254Abstract: An electrical circuit comprising an n-port m-phase active bridge converter with n?2 and m?3, where each port can be operated as an input or an output port, wherein each of the n ports has m phase legs with multiple active switches with parallel connected snubber or resonant capacitors, whereby the ports can convert a DC-voltage into an AC voltage and vice versa, whereby the ports are connected via a m-phase transformer or over m separate transformers each connected to each of the m phase legs of each of the m ports to transfer power between the ports, wherein an auxiliary circuit is connected to a star point of the transformers to feedback a fraction of a transformer input voltage and energy into a DC mid-point capacitor of a DC-link of at least one of the n-port m-phase active bridge converters to charge the DC mid-point capacitor.Type: GrantFiled: June 28, 2019Date of Patent: December 22, 2020Assignee: Rheinisch-Westfälische Technische Hochschule (RWTH) AachenInventor: Rik W. De Doncker
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Patent number: 10869750Abstract: AN endovascular stent graft including a hydrogel capable of retarded swelling when coming into contact with blood upon implantation in a patient is provided. Methods for the treatment of aneurysms and the prevention of ischemic neurological damage, in particular spinal cord damage, in patients receiving aneurysm repair procedures, using said endovascular stent grafts is also provided.Type: GrantFiled: September 10, 2018Date of Patent: December 22, 2020Assignee: Rheinisch-Westfälische Technische Hochschule (RWTH) AachenInventors: Andreas Greiner, Stefan Jockenhövel, Andrij Pich, Larissa Hussmann, Valentine Gesché