Patents Examined by Harry D. Wilkins, III
  • Patent number: 11453952
    Abstract: Photoelectrochemical cells including a cathode including alpha-hematite and a metal dichalcogenide, an anode including a conducting polymer, and an electrolyte.
    Type: Grant
    Filed: February 18, 2020
    Date of Patent: September 27, 2022
    Assignee: UNIVERSITY OF SOUTH FLORIDA
    Inventors: Hussein Alrobei, Manoj Kumar Ram
  • Patent number: 11447878
    Abstract: A hydrogen generating fuel cell includes an anode and a cathode separated by a channel configured to hold liquid water or water vapor. At least one of the anode and the cathode are porous. The hydrogen generating fuel cell includes a power source electrically connected to the anode and the cathode and an ultraviolet radiation source positioned to emit ultraviolet radiation from the anode to the cathode, the cathode to the anode, or both directions. A hydrogen generating system and a method of generating hydrogen are also disclosed.
    Type: Grant
    Filed: March 12, 2019
    Date of Patent: September 20, 2022
    Inventor: James Bartkowiak
  • Patent number: 11440820
    Abstract: The present invention relates to systems and methods for cleaning materials, such as flooring and upholstery. In some cases, the systems and methods use an electrolytic cell to electrolyze a solution comprising sodium carbonate, sodium bicarbonate, sodium acetate, sodium percarbonate, potassium carbonate, potassium bicarbonate, and/or any other suitable chemical to generate electrolyzed alkaline water and/or electrolyzed oxidizing water. In some cases, the cell comprises a recirculation loop that recirculates anolyte through an anode compartment of the cell. In some cases, the cell further comprises a sensor and a processor, where the processor is configured to automatically change an operation of the cell, based on a reading from the sensor. In some cases, a fluid flows past a magnet before entering the cell. In some additional cases, fluid from the cell is conditioned by being split into multiple conduits that run in proximity to each other. Additional implementations are described.
    Type: Grant
    Filed: February 26, 2019
    Date of Patent: September 13, 2022
    Assignee: Z Intellectual Property Holding Company, LLC
    Inventors: Gaylord M. Karren, James K. Stone, John M. Hopkins, William R. Shupe
  • Patent number: 11444304
    Abstract: Provided herein are anode and/or cathode pan assemblies comprising unique manifold, outlet tube, and/or baffle plate configurations; electrochemical cell and/or electrolyzer containing the anode and/or the cathode pan assemblies; and methods to use and manufacture the same.
    Type: Grant
    Filed: December 21, 2021
    Date of Patent: September 13, 2022
    Assignee: Verdagy, Inc.
    Inventors: Thomas H McWaid, Ryan J Gilliam
  • Patent number: 11434579
    Abstract: A portable communication device according to various embodiments includes a housing that forms at least a portion of an external surface of the portable communication device, wherein at least a portion of an area of the housing comprises: an aluminum alloy substrate including 90.0 to 99.8 weight % (wt %) of aluminum (Al) and 0.2 to 1.
    Type: Grant
    Filed: January 8, 2019
    Date of Patent: September 6, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yoonhee Lee, Sungho Cho, Minwoo Yoo
  • Patent number: 11431012
    Abstract: Provided herein are electrochemical cell and/or electrolyzer configurations with membrane-electrode gap and optionally one or more spacers; and methods to use and manufacture the same.
    Type: Grant
    Filed: December 23, 2021
    Date of Patent: August 30, 2022
    Assignee: Verdagy, Inc.
    Inventors: Ryan J Gilliam, Thomas H McWaid
  • Patent number: 11427480
    Abstract: Described are methods for the recovery of uranium from uranium hexafluoride dissolved directly into ionic liquids.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: August 30, 2022
    Assignee: THE BOARD OF REGENTS OF THE NEVADA SYSTEM OF HIGHER EDUCATION ON BEHALF OF THE UNIVERSITY OF NEVADA
    Inventors: David W. Hatchett, Kenneth R. Czerwinski, Katherine Luebke, Cassara Higgins
  • Patent number: 11421336
    Abstract: Disclosed herein are a system and method for electroplating an alpha emitting radionuclide, such as an actinide, for use in alpha spectroscopy. The electrodeposition system for electroplating an alpha emitting radionuclide can include an electroplating cell containing a solution of an electrolyte and the alpha emitting radionuclide, a metal target within the electroplating cell, and a metal anode at a distance from the metal target. The system also includes a platform for supporting the electroplating cell, coupling mechanism connected to the platform, an electric motor on the elastic cushion, and a flywheel with an uneven weight distribution operatively connected to the electric motor. Rotation of the unevenly distributed flywheel generates a vibration in the electroplating cell which dislodges gas bubbles that have formed between the metal target and the metal anode.
    Type: Grant
    Filed: September 21, 2020
    Date of Patent: August 23, 2022
    Assignee: CURIUM US LLC
    Inventors: William Claude Uhland, Arend Booij, Marjolijn Gerritsen
  • Patent number: 11414770
    Abstract: Water electrolyzer comprising a membrane having first and second opposed major surfaces, a thickness extending between the first and second major surfaces, and first, second, and third regions equally spaced across the thickness, wherein the first region is the closest region to the first major surface, wherein the second region is the closest region to the second major surface, wherein the third region is located between the first and second regions, wherein the first and third regions are each essentially free of both metallic Pt and Pt oxide, and wherein the second region comprises at least one of metallic Pt or Pt oxide; a cathode comprising a first catalyst on the first major surface of the membrane; and an anode comprising a second catalyst on the second major surface of the membrane.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: August 16, 2022
    Assignee: 3M Innovative Properties Company
    Inventors: Krzysztof A. Lewinski, Sean M. Luopa, Jiyoung Park, Attila Molnar
  • Patent number: 11414775
    Abstract: A power supply system for a vertical continuous electroplating frame, comprising: a power supply rail arranged on the vertical continuous electroplating device; and an electrode case, arranged a case body on the top surface of the electroplating frame, inside the case body having an electrode plate corresponding to the power supply rail, at the bottom of the electrode plate having an elastic unit, the top surface of the case body having a positioning groove corresponding to the electrode plate, when the electrode plate is electrical contacted with the power supply rail, the electroplating current is provided to the object to be plated through the electroplating frame.
    Type: Grant
    Filed: May 13, 2021
    Date of Patent: August 16, 2022
    Assignee: U-Pro Machines Co., Ltd.
    Inventors: Hsin-Chi Iou, Huan-Chun Lin, Hsu-Cheng Peng
  • Patent number: 11401623
    Abstract: Methods and electroplating systems for controlling plating electrolyte concentration on an electrochemical plating apparatus for substrates are disclosed. A method involves: (a) providing an electroplating solution to an electroplating system; (b) electroplating the metal onto the substrate while the substrate is held in a cathode chamber of an electroplating cell of electroplating system; (c) supplying the make-up solution to the electroplating system via a make-up solution inlet; and (d) supplying the secondary electroplating solution to the electroplating system via a secondary electroplating solution inlet. The secondary electroplating solution includes some or all components of the electroplating solution. At least one component of the secondary electroplating solution has a concentration that significantly deviates from its target concentration.
    Type: Grant
    Filed: January 11, 2021
    Date of Patent: August 2, 2022
    Assignee: Lam Research Corporation
    Inventors: Zhian He, Shantinath Ghongadi, Quan Ma, Hyungjun Hur, Cian Sweeney, Quang Nguyen, Rezaul Karim, Jingbin Feng
  • Patent number: 11401624
    Abstract: A plating apparatus for electroplating a wafer includes a housing defining a plating chamber for housing a plating solution. A voltage source of the apparatus has a first terminal having a first polarity and a second terminal having a second polarity different than the first polarity. The first terminal is electrically coupled to the wafer. An anode is within the plating chamber, and the second terminal is electrically coupled to the anode. A membrane support is within the plating chamber and over the anode. The membrane support defines apertures, wherein in a first zone of the membrane support a first aperture-area to surface-area ratio is a first ratio, and in a second zone of the membrane support a second aperture-area to surface-area ratio is a second ratio, different than the first ratio.
    Type: Grant
    Filed: July 22, 2020
    Date of Patent: August 2, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LIMITED
    Inventors: Che-Min Lin, Hung-San Lu, Chao-Lung Chen, Chao Yuan Chang, Chun-An Kung, Chin-Hsin Hsiao, Wen-Chun Hou, Szu-Hung Yang, Ping-Ching Jiang
  • Patent number: 11396710
    Abstract: An apparatus and method for electrochemically depositing a layer using a reactor configured to contain an electrolyte solution with an anode array containing a plurality of independently electrically controllable anodes arranged in a two-dimensional array, a cathode, an addressing circuit for receiving a signal containing anode address data, and for outputting a signal causing an anode array pattern; in communication with the addressing circuit, the current controller and the anode array, the second controller operable to communicate with the current controller to command the flow of current to each anode in the anode array thereby causing an electrochemical reaction at the cathode to deposit a layer corresponding to the anode array pattern signal received from the addressing circuit.
    Type: Grant
    Filed: November 24, 2021
    Date of Patent: July 26, 2022
    Assignee: FABRIC8 LABS, INC.
    Inventors: David Forrest Pain, David Morgan Wirth, Jeffrey William Herman
  • Patent number: 11390955
    Abstract: There is provided an electrochemical cell, including a cathode, an anode, and an ion exchange membrane disposed between the cathode and the anode, wherein the cathode includes a first catalyst capable of catalyzing a reduction reaction for reducing carbon dioxide into carbon monoxide, and the anode includes a second catalyst capable of catalyzing a carbonylation reaction for producing a carbonate compound from carbon monoxide and an alcohol compound.
    Type: Grant
    Filed: August 7, 2019
    Date of Patent: July 19, 2022
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventor: Naohiro Fujinuma
  • Patent number: 11390957
    Abstract: An electrode assembly for use in an electrochemical cell for the production of ozone from water is provided, the electrode assembly comprising an electrode body formed from a polycrystalline diamond, the electrode body comprising first and second opposing contact surfaces, the first contact surface for contacting a semi-permeable membrane; wherein the electrode assembly further comprises a first layer comprising an electrically conductive material, the first layer extending across at least a portion of the second contact surface of the electrode body. An electrochemical cell comprising the electrode assembly and its use in the production of ozone by the electrolysis of water is also provided.
    Type: Grant
    Filed: November 28, 2017
    Date of Patent: July 19, 2022
    Inventor: Patrick Simon Bray
  • Patent number: 11385125
    Abstract: A leak check method includes: performing a first inspection of measuring a pressure in an internal space formed by a seal of the substrate holder, while evacuating the internal space, and detecting that the pressure reaches a first pressure threshold value within a predetermined first inspection time; performing a second inspection of closing the internal space that has been evacuated, measuring the pressure in the closed internal space, and detecting that the pressure in the closed internal space does not exceed a second pressure threshold value within a predetermined second inspection time; and performing a third inspection of measuring a pressure difference between the pressure in the closed internal space and a vacuum pressure in a master container, and detecting that an amount of increase in the pressure difference within a predetermined third inspection time is kept equal to or below a pressure difference threshold value.
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: July 12, 2022
    Assignee: EBARA CORPORATION
    Inventors: Kiyoshi Suzuki, Jumpei Fujikata
  • Patent number: 11383993
    Abstract: The present invention relates to systems and methods for cleaning materials, such as flooring and upholstery. In some cases, the systems and methods use an electrolytic cell to electrolyze a solution comprising sodium carbonate, sodium bicarbonate, sodium acetate, sodium percarbonate, potassium carbonate, potassium bicarbonate, and/or any other suitable chemical to generate electrolyzed alkaline water and/or electrolyzed oxidizing water. In some cases, the cell comprises a recirculation loop that recirculates anolyte through an anode compartment of the cell. In some cases, the cell further comprises a sensor and a processor, where the processor is configured to automatically change an operation of the cell, based on a reading from the sensor. In some cases, a fluid flows past a magnet before entering the cell. In some additional cases, fluid from the cell is conditioned by being split into multiple conduits that run in proximity to each other. Additional implementations are described.
    Type: Grant
    Filed: February 26, 2019
    Date of Patent: July 12, 2022
    Assignee: Z Intellectual Property Holding Company, LLC
    Inventors: Gaylord M. Karren, James K. Stone, John M. Hopkins, William R. Shupe
  • Patent number: 11384443
    Abstract: A method for producing metallic silver by electro-deposition, including electrolyzing an electrolyte solution containing Ce(NO3)3 in an anode zone and an electrolyte solution containing AgNO3 in a cathode zone by using an electrolytic cell with a specific diaphragm, wherein the electrolyte solution in the anode zone is not allowed to enter the cathode zone. After the electrolyzing is complete, the metallic silver with a high purity is obtained at the cathode, and a Ce4+-containing solution is obtained in the anode zone.
    Type: Grant
    Filed: September 3, 2018
    Date of Patent: July 12, 2022
    Assignee: INSTITUTE OF PROCESS ENGINEERING, CHINESE ACADEMY OF SCIENCES
    Inventors: Hui Zhang, Tao Qi
  • Patent number: 11384441
    Abstract: An electrochemical cell includes a housing having an inlet, an outlet, and a central axis and an anode-cathode pair disposed concentrically within the housing about the central axis and defining an active area between an anode and a cathode of the anode-cathode pair. An active surface area of at least one of the anode and the cathode has a surface area greater than a surface area of an internal surface of the housing. The anode-cathode pair is configured and arranged to direct all fluid passing through the electrochemical cell axially through the active area.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: July 12, 2022
    Assignee: Evoqua Water Technologies LLC
    Inventors: Paul Beddoes, Li-Shiang Liang, Andrew Green, Jacob Telepciak, Joshua W. Griffis, Simon P. Dukes
  • Patent number: 11387108
    Abstract: A composition for metal plating comprising a source of metal ions and at least one leveling agent comprising at least one polyaminoamide comprising a polymer fragment of formula (I) or derivatives thereof obtainable by complete or partial protonation or N-quarternisation.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: July 12, 2022
    Assignee: BASF SE
    Inventors: Marcel Patrik Kienle, Cornelia Roeger-Goepfert, Dieter Mayer, Marco Arnold, Alexander Fluegel, Charlotte Emnet