Patents by Inventor Stefan Karl
Stefan Karl 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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Patent number: 11966753Abstract: A storage device for booting a host computing device includes a first storage memory region having a first storage memory controller, a second storage memory region having a second storage memory controller, and a resilient boot controller. The resilient boot controller is configured to store boot code in the first storage memory region, prevent write access by the host computing device through the first storage memory controller to the first storage memory region, detect a reset of the host computing device through the input/output interface, copy at least a portion of the boot code from the first storage memory region to the second storage memory region, responsive to detection of the reset of the host computing device, and enable read access of the copied boot code by the host computing device through the second storage memory controller of the second storage memory region, responsive to the copy operation.Type: GrantFiled: November 2, 2022Date of Patent: April 23, 2024Assignee: Microsoft Technology Licensing, LLCInventors: Stefan Thom, Paul England, Robert Karl Spiger, Brian Telfer, Sangho Lee, Marcus Peinado
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Patent number: 11965140Abstract: Low molecular weight polyalkyl acrylate polymers can be used as high viscosity base fluids. A corresponding method can be used for their preparation. Lubricant compositions may contain such low molecular weight polyalkyl acrylate polymers and the compositions may be used as automatic transmission fluids, manual transmission fluids, continuously variable transmission fluids, gear oil formulations, industrial gear oil formulations, axle fluid formulations, dual clutch transmission fluids, dedicated hybrid transmission fluids, or hydraulic oils.Type: GrantFiled: December 12, 2019Date of Patent: April 23, 2024Assignee: Evonik Operations GmbHInventors: Stefan Karl Maier, Michael Neusius, Qi Xiao, Gabriela Fedor, Stefan Hilf, Frank-Olaf Mähling
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Publication number: 20240100909Abstract: Thermal conditioning system including a refrigerant circuit successively including: a compression device; a first two-fluid heat exchanger arranged on a first loop of a heat transfer liquid circuit; a second two-fluid heat exchanger arranged on a second heat transfer liquid loop; a first expansion device; a third two-fluid heat exchanger arranged on a third heat transfer liquid loop. The first loop has a first heat exchanger configured to exchange heat with a first air flow. The second loop has a second heat exchanger configured to exchange heat with a second air flow. The third loop has a third heat exchanger configured to exchange heat with the first air flow. The first loop includes a fourth heat exchanger configured to exchange heat with the second air flow.Type: ApplicationFiled: March 15, 2022Publication date: March 28, 2024Applicant: VALEO SYSTEMES THERMIQUESInventors: Mohamed YAHIA, Bertrand NICOLAS, Stefan KARL
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Patent number: 11934407Abstract: Techniques and solutions are described for implementing virtual table schemas. A virtual table schema includes a logical pointer that is used to target a table that includes data and is defined according to the virtual table schema. Values assigned to the logical pointer can be used to target tables at different locations, such as in-memory storage or in dynamic storage of a database management system. The dynamic storage includes an in-memory buffer cache and persistent storage. The logical pointer can be updated to point to the in-memory storage or the dynamic storage, including based on use statistics. Similarly, a table having data for the virtual table can be transitioned between the in-memory buffer cache and the persistent storage, including based on use statistics for the virtual table. A value for the logical pointer can be updated when the table is transferred between the in-memory buffer cache and the dynamic storage.Type: GrantFiled: June 2, 2022Date of Patent: March 19, 2024Assignee: SAP SEInventors: Ruediger Karl, Mihnea Andrei, Juchang Lee, Stefan Baeuerle, Seyeong Bae, Joo Yeon Lee
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Publication number: 20240073796Abstract: A circuit arrangement includes a preprocessing circuit configured to obtain context information related to a user location, a learning circuit configured to determine a predicted user movement based on context information related to a user location to obtain a predicted route and to determine predicted radio conditions along the predicted route, and a decision circuit configured to, based on the predicted radio conditions, identify one or more first areas expected to have a first type of radio conditions and one or more second areas expected to have a second type of radio conditions different from the first type of radio conditions and to control radio activity while traveling on the predicted route according to the one or more first areas and the one or more second areas.Type: ApplicationFiled: September 7, 2023Publication date: February 29, 2024Inventors: Shahrnaz AZIZI, Biljana BADIC, John BROWNE, Dave CAVALCANTI, Hyung-Nam CHOI, Thorsten CLEVORN, Ajay GUPTA, Maruti GUPTA HYDE, Ralph HASHOLZNER, Nageen HIMAYAT, Simon HUNT, Ingolf KARLS, Thomas KENNEY, Yiting LIAO, Christopher MACNAMARA, Marta MARTINEZ TARRADELL, Markus Dominik MUECK, Venkatesan NALLAMPATTI EKAMBARAM, Niall POWER, Bernhard RAAF, Reinhold SCHNEIDER, Ashish SINGH, Sarabjot SINGH, Srikathyayani SRIKANTESWARA, Shilpa TALWAR, Feng XUE, Zhibin YU, Robert ZAUS, Stefan FRANZ, Uwe KLIEMANN, Christian DREWES, Juergen KREUCHAUF
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Publication number: 20240042829Abstract: Thermal regulation circuit for a vehicle, said circuit comprising first (2) and second (4) heat exchangers that are situated in series along a direction of circulation of an air flow intended to pass through them in this order, said circuit comprising a third heat exchanger (6) intended to be passed through by an ambient air flow, said circuit being configured to allow a refrigerant to circulate in series in the first (2) and third (6) heat exchangers and a heat-transfer fluid to circulate in the second heat exchanger (4).Type: ApplicationFiled: September 7, 2020Publication date: February 8, 2024Applicant: Valeo Systemes ThermiquesInventors: Bertrand Nicolas, Mohamed Yahia, Jugurtha Benouali, Stefan Karl, Yvan Lechat
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Publication number: 20240043768Abstract: A method for the preparation of homo- and copolymers of alkyl (meth)acrylates having a low residual monomer content involves preparing a reaction mixture containing monomers, charging the reaction mixture, heating the reaction mixture, adding an additional monomer after initial monomer conversion, and optional further processing of the reaction mixture. The homo- and copolymers of alkyl (meth)acrylates obtained by this method as useful in lubricant applications.Type: ApplicationFiled: December 17, 2021Publication date: February 8, 2024Applicant: Evonik Operations GmbHInventors: Frank-Olaf Mähling, Maria Stimeier, Thomas Schimmel, Stefan Karl Maier, Sofia Sirak
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Publication number: 20230403311Abstract: In an embodiment, a computing system can include one or more processors and one or more non-transitory computer-readable media that store instructions that, when executed by the one or more processors, cause the computing system to perform operations. The operations can include: receiving an internal encoder state of an encoder running on a first computing device being used to participate in a video conference currently in progress; receiving data indicative of a second computing device being used to join the video conference; compressing, based at least in part on receipt of the data, the internal encoder state to generate a compressed internal encoder state of the encoder; and/or transmitting the compressed internal encoder state to the second computing device to synchronize the internal encoder state of the encoder running on the first computing device with an internal decoder state of a decoder running on the second computing device.Type: ApplicationFiled: August 15, 2023Publication date: December 14, 2023Inventors: Stefan Karl Holmer, Danil Chapovalov
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Publication number: 20230383212Abstract: Acrylate-olefin copolymers and a method for the preparation of these copolymers are provided. Lubricant compositions can contain the aforementioned copolymers. The copolymers are useful as a lubricant additive or a synthetic base fluid in a lubricating oil composition, preferably in a gear oil composition, a transmission oil composition, a hydraulic oil composition, an engine oil composition, a marine oil composition, an industrial lubricating oil composition or in grease.Type: ApplicationFiled: May 22, 2023Publication date: November 30, 2023Applicant: Evonik Operations GmbHInventors: Emily Clare SCHWEIßINGER, Stefan Karl Maier, Katja Nothdurft, Yvonne Groß-Onnebrink, Dieter Janßen, Holger Pletsch, Stefan Hilf, Denise Kleinschmidt, Sebastian Babik
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Publication number: 20230336594Abstract: In an embodiment, a computing system can include one or more processors and one or more non-transitory computer-readable media that store instructions that, when executed by the one or more processors, cause the computing system to perform operations. The operations can include: receiving an internal encoder state of an encoder running on a first computing device being used to participate in a video conference currently in progress; receiving data indicative of a second computing device being used to join the video conference; compressing, based at least in part on receipt of the data, the internal encoder state to generate a compressed internal encoder state of the encoder; and/or transmitting the compressed internal encoder state to the second computing device to synchronize the internal encoder state of the encoder running on the first computing device with an internal decoder state of a decoder running on the second computing device.Type: ApplicationFiled: April 15, 2022Publication date: October 19, 2023Inventors: Stefan Karl Holmer, Danil Chapovalov
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Publication number: 20230257674Abstract: A polyester is useful as a high viscosity base fluid. A method for its preparation involves epoxidizing an alpha-olefin, reacting the alpha-epoxide or diol with a saturated linear aliphatic dicarboxylic acid, and isolating the polyester. Lubricant compositions can contain such polyesters and the compositions are useful as automatic transmission fluids, manual transmission fluids, continuously variable transmission fluids, gear oil formulations, industrial gear oil formulations, axle fluid formulations, dual clutch transmission fluids, dedicated hybrid transmission fluids, or as hydraulic oils.Type: ApplicationFiled: July 1, 2021Publication date: August 17, 2023Applicant: Evonik Operations GmbHInventors: Stefan Karl Maier, Peter Altenbuchner, Fabian Ziegler, Christiane Zatocil, Stefan Hilf, Emily Clare Schweißinger, Jens Elsner
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Publication number: 20230257673Abstract: A polyester is useful as a high viscosity base fluid. A method for its preparation involves isomerizing an alpha-olefin, epoxidizing an internal olefin, reacting an internal epoxide, and isolating the polyester. Lubricant compositions can contain such polyesters and the compositions are useful as automatic transmission fluids, manual transmission fluids, continuously variable transmission fluids, gear oil formulations, industrial gear oil formulations, axle fluid formulations, dual clutch transmission fluids, dedicated hybrid transmission fluids, or as hydraulic oils.Type: ApplicationFiled: July 1, 2021Publication date: August 17, 2023Applicant: Evonik Operations GmbHInventors: Stefan Karl MAIER, Peter Altenbuchner, Fabian Ziegler, Christiane Zatocil, Stefan Hilf, Emily Clare Schweißinger, Jens Elsner
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Patent number: 11725737Abstract: Fluid circulation valve, the said valve comprising a housing (1) and a body (2) for circulation of fluid, the said body (2) being located at least partially within the said housing (1), the said body (2) being attached to the housing (1) and having a passage (4) for fluid between the said body (2) and the said housing (1), the said valve further comprising a control member (30) that can be actuated electromagnetically, the said control member (30) being able to move with respect to the said body (2) so as to selectively open or close the said passage (4), the said body (2) having at least locally a tubular configuration at the said passage (4), the said control member (30) being able to slide along the said body (2) at least at the said passage (4).Type: GrantFiled: January 7, 2020Date of Patent: August 15, 2023Assignee: Valeo Systemes ThermiquesInventors: Stefan Karl, Mohamed Yahia, Jin-Ming Liu, Bertrand Nicolas, Roland Akiki
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Patent number: 11618797Abstract: The invention relates to acrylate-olefin copolymers and to a method for preparing these polymers. The present invention is also directed to lubricant compositions comprising these copolymers, and to the use of these copolymers as a lubricant additive or a synthetic base fluid in a lubricating oil composition, preferably in a gear oil composition, a transmission oil composition, a hydraulic oil composition, an engine oil composition, a marine oil composition, an industrial lubricating oil composition or in grease.Type: GrantFiled: December 6, 2021Date of Patent: April 4, 2023Assignee: Evonik Operations GmbHInventors: Stefan Karl Maier, Dieter Janßen, Fabian Ziegler, Katrin Schöller, Stefan Hilf
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Patent number: 11609227Abstract: A field apparatus (also referred to as a “biosampler”) is configured to automatically capture multiple samples of an aqueous medium (for example, water from a lake) and process same to preserve unstable analytes in the field. In this way, a set of samples from the aqueous medium can, for example, be captured at multiple points in time, processed with a biopreservative to preserve unstable analytes (for example, RNA) and then later collected for further analysis. Alternatively, multiple samples of the aqueous medium can be collected and preserved at one moment.Type: GrantFiled: January 7, 2020Date of Patent: March 21, 2023Assignee: EQO, Inc.Inventors: John Sanderson Wade Higley, Erika Nicole Schwarz Taylor, Stefan Karl Schuster, Paul David Higley
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Publication number: 20230031154Abstract: A temperature management system for a vehicle is disclosed. The temperature management system includes a refrigerant circuit and a heat transfer fluid loop. The refrigerant circuit includes a compression device, an expansion member, a first heat exchanger configured to exchange heat between the refrigerant and an air flow external to a vehicle interior, a second heat exchanger configured to exchange heat between the refrigerant and the heat transfer fluid circulating in the loop, and a fourth heat exchanger configured to exchange heat between the refrigerant and an air flow inside the vehicle interior. The the heat transfer fluid loop includes, on a main line, the second heat exchanger and a primary radiator configured to exchange heat between the air flow external to the vehicle interior and the heat transfer fluid.Type: ApplicationFiled: December 2, 2020Publication date: February 2, 2023Applicant: Valeo Systemes ThermiquesInventors: Mohamed Yahia, Stefan Karl, Bertrand Nicolas
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Publication number: 20230019811Abstract: The present invention relates to a circuit (1) for a vehicle configured to be traversed by a coolant (FR). The circuit (1) comprises a main branch (2) comprising a main heat exchanger (3) comprising at least one inlet (100; 101, 102) for coolant (FR). The circuit (1) comprises a first branch (4) and a second branch (5) that extend between a point of divergence (6) and a point of convergence (7). The first branch (4) comprises a first compression device (9), a first expansion member (8) and a first heat exchanger (10) configured to thermally treat an electrical storage device (11) of the vehicle. The second branch (5) comprises a second compression device (13), a second expansion member (12) and a second heat exchanger (14) configured to thermally treat a passenger compartment of the vehicle. The circuit (1) comprises a high-pressure line (200) that comprises a first portion (201) extending between an outlet (31) of the first compression device and the inlet (100; 101, 102).Type: ApplicationFiled: December 2, 2020Publication date: January 19, 2023Applicant: Valeo Systemes ThermiquesInventors: Mohamed Yahia, Stefan Karl, Bertrand Nicolas
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Publication number: 20220372388Abstract: Low molecular weight polyalkyl acrylate polymers can be used as high viscosity base fluids. A corresponding method can be used for their preparation. Lubricant compositions may contain such low molecular weight polyalkyl acrylate polymers and the compositions may be used as automatic transmission fluids, manual transmission fluids, continuously variable transmission fluids, gear oil formulations, industrial gear oil formulations, axle fluid formulations, dual clutch transmission fluids, dedicated hybrid transmission fluids, or hydraulic oils.Type: ApplicationFiled: December 12, 2019Publication date: November 24, 2022Applicant: Evonik Operations GmbHInventors: Stefan Karl Maier, Michael Neusius, Qi Xiao, Gabriela Fedor, Stefan Hilf, Frank-Olaf Mähling
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Publication number: 20220195091Abstract: The invention relates to acrylate-olefin copolymers and to a method for preparing these polymers. The present invention is also directed to lubricant compositions comprising these copolymers, and to the use of these copolymers as a lubricant additive or a synthetic base fluid in a lubricating oil composition, preferably in a gear oil composition, a transmission oil composition, a hydraulic oil composition, an engine oil composition, a marine oil composition, an industrial lubricating oil composition or in grease.Type: ApplicationFiled: December 6, 2021Publication date: June 23, 2022Applicant: Evonik Operations GmbHInventors: Stefan Karl Maier, Dieter Janßen, Fabian Ziegler, Katrin Schöller, Stefan Hilf
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Patent number: 11339346Abstract: The invention is related to a composition for use in hydraulic systems of an aircraft. The composition typically comprises an adipic acid-based polyester in a phosphate ester base stock substantially consisting of trialkyl phosphates.Type: GrantFiled: December 12, 2017Date of Patent: May 24, 2022Assignee: Evonik Operations GmbHInventors: Stefan Karl Maier, Nicolai Kolb, Michael Neusius