Patents by Inventor Nathan Craig
Nathan Craig 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: 20250208225Abstract: An electrochemical state of health (SoH) estimating method. The method includes receiving in-operation voltage and/or current signals from a fuel cell stack during operation of the fuel cell stack at one or more operational condition(s). The method further includes comparing an in-operation voltage-current relationship based on the in-operation voltage or current signals at the operational condition(s) with a beginning of life (BOL) voltage-current relationship at the same or substantially the same operational condition(s) to obtain a voltage-current comparison at the operational condition(s). The method also includes estimating an SoH parameter in response to the voltage-current comparison.Type: ApplicationFiled: December 20, 2023Publication date: June 26, 2025Inventors: Lei CHENG, Jonathan BRAATEN, Karim GADELRAB, Weiqi JI, Bjoern STUEHMEIER, Christina JOHNSTON, Nathan CRAIG, Jake CHRISTENSEN
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Publication number: 20250200514Abstract: Aspects of the present disclosure include techniques for building utilization. In one example, a method includes receiving, via one or more sensors, a first sensor data indicating a work area of a first individual within a building, and receiving, via the via the one or more sensors, a second sensor data indicating a second individual entering the building. The method additionally include accessing stored data from a data store indicating the existence of a team affiliation between the first individual and the second individual, and calculating a cluster area encompassing the work area of the first individual. The method also includes assigning a second work area to the second individual, wherein second work area is disposed within the cluster area, continually monitoring, via the one or more sensors, a plurality of locations for a plurality of individuals entering the building, and assigning work areas to the plurality of the individuals.Type: ApplicationFiled: December 18, 2023Publication date: June 19, 2025Inventors: Pamela Marie Andronis Murphy, Azita Asefi, Nathan Craig Bricklin, Nathan B. Coles, Kevin Anthony King, Dennis E. Montenegro, Stanislav V. Roumiantsev, Darrell Lee Suen
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Publication number: 20250167254Abstract: A fuel cell (e.g., a proton exchange membrane fuel cell). The fuel cell includes a cathode electrode, an anode electrode having an anode catalyst layer, and a membrane extending between the cathode electrode and the anode electrode. The anode catalyst layer has a capacitance of greater than 0.1 F/cm2 in a potential window for operation of the fuel cell of ?0.1 to 1.2 V versus a reversible hydrogen potential. The capacitance of the anode catalyst layer mitigates degradation of the cathode electrode during an air-air start of the fuel cell.Type: ApplicationFiled: November 22, 2023Publication date: May 22, 2025Inventors: Bjoern STUEHMEIER, Jonathan BRAATEN, Lei CHENG, Nathan CRAIG, Jake CHRISTENSEN
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Patent number: 12206115Abstract: A computational method for determining a location and an amount of a transition metal M in surface facets of a Pt—M alloy using a density functional theory includes receiving a particle size and a surface facet distribution of the Pt—M alloy and a total concentration of M in the Pt—M alloy; calculating a total number of M atoms in the Pt—M alloy based on the particle size and the surface facet distribution of the Pt—M alloy and the total concentration of M in the Pt—M alloy; and predicting a mixing energy between Pt and at least one of the total number of M atoms in a subsurface layer of each of the surface facets of the Pt—M alloy when Pt is mixed with the at least one of the total number of M atoms.Type: GrantFiled: October 7, 2021Date of Patent: January 21, 2025Assignee: Robert Bosch GmbHInventors: Soo Kim, Karim Gadelrab, Jonathan Mailoa, Matthias Hanauer, Ulrich Berner, Nathan Craig, Christina Johnston, Charles Tuffile
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Patent number: 12199291Abstract: An electrochemical cell (e.g., a fuel cell) includes an anode layer, a cathode layer, and an electrolyte membrane layer disposed between and spacing apart the anode layer and the cathode layer. The electrochemical cell further includes a functional layer disposed at an interface between the cathode layer and the electrode membrane layer. The functional layer includes a composition including a carbon material, an ionomer material, and optionally an amount of catalyst material.Type: GrantFiled: June 16, 2022Date of Patent: January 14, 2025Assignee: Robert Bosch GmbHInventors: Lei Cheng, Morteza Rezaei Talarposhti, Jonathan Braaten, Daniil Kitchaev, Nathan Craig, Christina Johnston
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Publication number: 20240396988Abstract: Examples are disclosed that relate to a mobile device configured to change a feature set in response to detecting that a case is attached to the mobile device. One example provides a method enacted on a mobile device. The method comprises operating the mobile device with a first feature set. The first feature set comprises one or more features enabled when a case is not attached to the mobile device. The method further comprises detecting that the case is attached to the mobile device and an identity of the case by using a magnetic sensor. The method further comprises operating the mobile device with a second feature set that is different from the first feature set in response to detecting that the case is attached to the mobile device. The second feature set is selected based upon the identity of the case.Type: ApplicationFiled: May 24, 2023Publication date: November 28, 2024Applicant: Microsoft Technology Licensing, LLCInventors: Gregory Allen NIELSEN, Andrew Richard RAFFMAN, Donghwi KIM, Nathan Craig SHERMAN, Jaejin LEE
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Patent number: 12151958Abstract: A desalination battery includes a working intercalation electrode in a first compartment, a counter intercalation electrode in a second compartment, both compartments including saline water solution with an elevated concentration of dissolved salts, an ion exchange membrane arranged between the compartments, a voltage source arranged to supply voltage to the electrodes, and a sacrificial compound configured to neutralize charge within the first compartment at a predetermined voltage while being consumed by oxidation or reduction reactions upon an activation of the working electrode.Type: GrantFiled: August 8, 2019Date of Patent: November 26, 2024Assignee: Robert Bosch GmbHInventors: Michael Metzger, Soo Kim, Saravanan Kuppan, Sondra Hellstrom, Christina Johnston, Nathan Craig, Jake Christensen
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Publication number: 20240328015Abstract: A polymer electrolyte water electrolyzer (PEWE). The PEWE includes a cathode catalyst layer, an anode catalyst layer, and a polymer electrolyte membrane between and separating the anode catalyst layer and the cathode catalyst layer. The PEWE further includes a blocking layer disposed between the cathode catalyst layer and configured to resist unwanted diffusion of ions or molecules through the polymer electrolyte water electrolyzer.Type: ApplicationFiled: March 30, 2023Publication date: October 3, 2024Inventors: Lei CHENG, Jonathan BRAATEN, Shirin MEHRAZI, Daniil KITCHAEV, Mordechai KORNBLUTH, Christina JOHNSTON, Nathan CRAIG, Bjoern STUEHMEIER
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Publication number: 20240304841Abstract: An electrochemical cell degradation monitoring method. The method includes applying first and second bias potentials to an electrode of an electrochemical cell during an operating state thereof. The method further includes measuring impedance spectra of the electrode of the electrochemical cell during the operating state biased to the first and second bias potentials. The method also includes determining a deviation in the impedance spectra at the first and second bias potentials. The method determines a degradation state of the electrode of the electrochemical cell in response to the deviation in the impedance spectra at the first and second bias potentials of the electrode of the electrochemical cell.Type: ApplicationFiled: March 9, 2023Publication date: September 12, 2024Inventors: Shirin MEHRAZI, Bjoern STUEHMEIER, Jonathan BRAATEN, Lei CHENG, Nathan CRAIG, Christina JOHNSTON
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Publication number: 20240294408Abstract: A desalination battery cell includes a first compartment separated by an anion exchange membrane from a second compartment, each of the first and second compartments containing a saline water solution having a concentration of dissolved salts c1 and first and second intercalation host electrodes, respectively, in fluid communication with the solution, a voltage source supplying electric current to the first and second intercalation host electrodes to release cations into the solution, and a controller programmed to adjust an amount of the electric current being supplied to change direction of anions in the solution passing through the anion exchange membrane between the compartments such that the first and second compartments alternately collect and disperse salt from the solution and release desalinated water solution having a concentration c2 of dissolved salts and a brine solution having a concentration c3 of dissolved salts such that c3>C1>C2.Type: ApplicationFiled: May 15, 2024Publication date: September 5, 2024Inventors: Soo KIM, Michael METZGER, Jonathan MAILOA, Mordechai KORNBLUTH, Georgy SAMSONIDZE, Saravanan KUPPAN, Sondra HELLSTROM, Boris KOZINSKY, Nathan CRAIG, Jake CHRISTENSEN
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Publication number: 20240263320Abstract: A polymer electrolyte water electrolyzer (PEWE). The PEWE includes a cathode catalyst layer, an anode catalyst layer, and a polymer electrolyte membrane between and separating the anode catalyst layer and the cathode catalyst layer. The PEWE further includes a first blocking layer and/or a second blocking layer. The first blocking layer is disposed between the cathode catalyst layer and configured to resist diffusion of unwanted ions or molecules through the polymer electrolyte membrane. The second blocking layer is disposed between the anode catalyst layer and is configured to resist diffusion of unwanted ions or molecules through the polymer electrolyte membrane.Type: ApplicationFiled: February 7, 2023Publication date: August 8, 2024Inventors: Lei CHENG, Jonathan BRAATEN, Shirin MEHRAZI, Daniil KITCHAEV, Mordechai KORNBLUTH, Christina JOHNSTON, Nathan CRAIG
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Publication number: 20240266567Abstract: An electrochemical cell includes a membrane, a catalyzed electrode facing the membrane, the electrode including a magnetic electrocatalyst in contact with an ionomer, an electromagnet, and a controller programmed to activate the electromagnet to form an oscillating magnetic field arranged to selectively increase temperature of the magnetic electrocatalyst, based on one or more conditions, to increase kinetics of a reaction at the catalyzed electrode or remove water from the electrode.Type: ApplicationFiled: January 30, 2023Publication date: August 8, 2024Inventors: Daniil A KITCHAEV, Nathan CRAIG, Matthias HANAUER, Ulrich BERNER, Charles TUFFILE
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Publication number: 20240222653Abstract: Fuel cell alloy bipolar plates. The alloys may be used as a coating or bulk material. The alloys and metallic glasses may be particularly suitable for proton-exchange membrane fuel cells because of they may exhibit reduced weights and/or better corrosion resistance. The alloys may include any of the following AlxCuyTiz, AlxFeyNiz, AlxMnyNiz, AlxNiyTiz, CuxFeyTiz, CuxNiyTiz, AlxFeySiz, AlxMnySiz, AlxNiySiz, NixSiyTiz, and CxFeySiz. The alloys or metallic glass may be doped with various dopants to improve glass forming ability, mechanical strength, ductility, electrical or thermal conductivities, hydrophobicity, and/or corrosion resistance.Type: ApplicationFiled: March 6, 2024Publication date: July 4, 2024Inventors: Soo Kim, Jonathan Mailoa, Lei Cheng, Nathan Craig
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Patent number: 11958061Abstract: An electrostatic charging air cleaning device. The device includes a pre-charger configured to generate a corona discharge to electrostatically charge particulate matter in an air stream. The device further includes a separator downstream from the pre-charger configured to convey the electrostatically charged particulate matter and formed of an insulative material. The device also includes a collection electrode configured to receive and to absorb the conveyed electrostatically charged particulate matter. The collection electrode includes a substrate material and a coating layer coated onto the substrate material. The coating layer includes a carbon black material and a polymeric binder. The substrate material is a metal plate including mechanical perforations.Type: GrantFiled: October 31, 2022Date of Patent: April 16, 2024Assignee: Robert Bosch GmbHInventors: Michael Metzger, Saravanan Kuppan, Sondra Hellstrom, Nathan Craig, Christina Johnston, Jake Christensen
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Patent number: 11955669Abstract: Fuel cell alloy bipolar plates. The alloys may be used as a coating or bulk material. The alloys and metallic glasses may be particularly suitable for proton-exchange membrane fuel cells because of they may exhibit reduced weights and/or better corrosion resistance. The alloys may include any of the following AlxCuyTiz, AlxFeyNiz, AlxMnyNiz, AlxNiyTiz, CuxFeyTiz, CuxNiyTiz, AlxFeySiz, AlxMnySiz, AlxNiySiz, NixSiyTiz, and CxFeySiz. The alloys or metallic glass may be doped with various dopants to improve glass forming ability, mechanical strength, ductility, electrical or thermal conductivities, hydrophobicity, and/or corrosion resistance.Type: GrantFiled: November 30, 2022Date of Patent: April 9, 2024Assignee: Robert Bosch GmbHInventors: Soo Kim, Jonathan Mailoa, Lei Cheng, Nathan Craig
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Patent number: 11894566Abstract: A fuel cell stack includes a first end region, a second end region, and a middle region. At least one of a first number of fuel cell units in the first end region is a first fuel cell unit including a membrane electrode assembly (MEA) with a first catalyst material on either or both an anode and a cathode of the first fuel cell unit. At least one of a second number of fuel cell units in the second end region is a second fuel cell unit including an MEA with a second catalyst material on either or both an anode and a cathode of the first fuel cell unit. The middle region is situated between the first and the second end region. At least one of a third number of fuel cell units in the middle region is a third fuel cell unit including an MEA with a third catalyst material on either or both an anode and a cathode of the first fuel cell unit. At least one of the first, the second, and the third catalyst material are different.Type: GrantFiled: May 12, 2020Date of Patent: February 6, 2024Assignee: Robert Bosch GmbHInventors: Soo Kim, Jonathan Mailoa, Ulrich Berner, Nathan Craig, Charles Tuffile
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Patent number: 11884561Abstract: A device for removing chloride-containing salts from water includes a container configured to contain saline water, a first electrode arranged in fluid communication with the saline water, and a power source. The first electrode includes a conversion material that is substantially insoluble in the saline water and has a composition that includes at least two or more of aluminum, chlorine, copper, iron, oxygen, and potassium. The composition varies over a range with respect to a quantity of chloride ions per formula unit. The power source supplies current to the first electrode in a first operating state so as to induce a reversible conversion reaction in which the conversion material bonds to the chloride ions in the saline water to generate a treated water solution. The conversion material dissociates the chloride ions therefrom into the saline water solution in a second operating state to generate a wastewater solution.Type: GrantFiled: October 8, 2019Date of Patent: January 30, 2024Assignee: Robert Bosch GmbHInventors: Mordechai C. Kornbluth, Jonathan Mailoa, Soo Kim, Georgy Samsonidze, Boris Kozinsky, Saravanan Kuppan, Sondra Hellstrom, Nathan Craig
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Patent number: 11884560Abstract: A water softening device includes a container configured to contain water, first and second electrodes arranged in fluid communication with the water, and a power source. The first electrode includes a conversion material that has a first composition and a second composition coexisting with the first composition. The first composition includes calcium ions bonded thereto and the second composition includes sodium ions bonded thereto. The power source supplies current in a first operating state such that the second composition exchanges sodium ions for calcium ions in the water to generate a soft water solution. The first and second electrodes are connected in a second operating state such that the first composition exchanges calcium ions for sodium ions in the water to generate a wastewater solution. The conversion material undergoes a reversible conversion reaction to convert between the first and second compositions within the water stability window.Type: GrantFiled: October 2, 2019Date of Patent: January 30, 2024Assignee: Robert Bosch GmbHInventors: Mordechai C. Kornbluth, Jonathan Mailoa, Soo Kim, Georgy Samsonidze, Boris Kozinsky, Saravanan Kuppan, Sondra Hellstrom, Nathan Craig
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Publication number: 20230411638Abstract: An electrochemical cell (e.g., a fuel cell) includes an anode layer, a cathode layer, and an electrolyte membrane layer disposed between and spacing part the anode layer and the cathode layer. The electrochemical cell further includes a functional layer disposed at an interface between the cathode layer and the electrode membrane layer. The functional layer includes a composition including a carbon material, an ionomer material, and optionally an amount of catalyst material.Type: ApplicationFiled: June 16, 2022Publication date: December 21, 2023Inventors: Lei CHENG, Morteza REZAEI TALARPOSHTI, Jonathan BRAATEN, Daniil KITCHAEV, Nathan CRAIG, Christina JOHNSTON
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Publication number: 20230411631Abstract: An electrochemical cell (e.g., a fuel cell) including an anode catalyst layer, a cathode catalyst layer, and an electrolyte membrane layer extending between the anode catalyst layer the cathode catalyst layer, and a graphene-based layer. The graphene-based layer is disposed between the cathode catalyst layer and the electrolyte membrane layer and/or the anode catalyst layer and the electrolyte membrane layer. The graphene-based layer is configured to suppress crossover gases and metallic cation exchange to enhance performance and durability of the electrochemical cell.Type: ApplicationFiled: June 16, 2022Publication date: December 21, 2023Inventors: Jonathan BRAATEN, Lei CHENG, Shirin MEHRAZI, Morteza REZAEI TALARPOSHTI, Daniil KITCHAEV, Nathan CRAIG, Christina JOHNSTON