Patents Examined by Bradley R Spies
  • Patent number: 11141701
    Abstract: The present invention relates to a computer-readable recording medium having recorded thereon a clogging location determination program for a separation membrane module, in which, in order to determine a clogging location of a separation membrane module in a fresh water generation system for obtaining treated water by filtrating water to be treated by a separation membrane module having a separation membrane, a computer is caused to function as a clogging location determination means for determining a clogging location of the separation membrane module from a resistance in a lower part of the separation membrane module, a filtration resistance of a hollow-fiber membrane, and a resistance in an upper part of the separation membrane module.
    Type: Grant
    Filed: August 4, 2017
    Date of Patent: October 12, 2021
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Kazuki Hagawa, Daishi Tateoka, Kazunori Tomioka, Masayuki Shintani
  • Patent number: 11130686
    Abstract: Systems and methods for dosing slurries to remove suspended solids from the slurry are disclosed. The systems and methods may be used to dewater slurries having relatively high solids content such as earthen slurries. In some embodiments, the zeta potential of the slurry is monitored by an electroacoustic zeta potential sensor to control coagulant addition.
    Type: Grant
    Filed: January 5, 2018
    Date of Patent: September 28, 2021
    Assignee: Vermeer Manufacturing Company
    Inventors: Tayte Askelsen, Corey Lanoue, Andy Strobel
  • Patent number: 11130081
    Abstract: A filter device may include a filter housing and a ring filter element arranged upright in the filter housing in an installed state. The ring filter element may include an upper end disc, a lower end disc, and at least two projecting pins, each of which in the installed state may engage in an associated draining passage. One of the connecting pins may be arranged offset relative to another of the connecting pins by at least 120° in a circumferential direction of the ring filter element.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: September 28, 2021
    Inventor: Michael Braunheim
  • Patent number: 11130684
    Abstract: A water softening device includes a filter configured to decrease hardness of a first stream of raw water to produce a second stream of water with decreased hardness, a first sensor that measures an electrical property of the first stream, a second sensor that measures an electrical property of the second stream, and optionally, a third sensor that detects a water flow through the filter, wherein the filter includes an ion exchange resin operated in H+-mode, and the filter is buffered with at least one salt selected from the group of a potassium salt (K+), a sodium salt (Na+) and a lithium salt (Li+).
    Type: Grant
    Filed: February 1, 2018
    Date of Patent: September 28, 2021
    Assignee: BWT Aktiengesellschaft
    Inventors: Pierre Balidas, Christian Brand, Jürgen Johann, Andrea Pavan
  • Patent number: 11123665
    Abstract: The present invention is to provide a separation apparatus for separating a liquid from a treated object containing the liquid in the course of a process of sending the treated object with each rotating plate being rotated, wherein efficient separation of the liquid from the treated object can be performed, while the rotating plates are efficiently prevented from getting damaged.
    Type: Grant
    Filed: September 5, 2016
    Date of Patent: September 21, 2021
    Assignee: KENDENSHA CO., LTD.
    Inventor: Ryuichi Ishitobi
  • Patent number: 11119013
    Abstract: Provided are methods, devices, and kits for the isolation of extracellular vesicles using silicon nanomembranes. A method for EV isolation includes the steps of collecting a biofluid sample, contacting the biofluid sample with a pre-filtration membrane, thereby forming a first filtrate and a first retentate, optionally, washing the first retentate of the pre-filtration membrane, contacting the first filtrate from the pre-filtration membrane with a capture membrane, thereb forming a second filtrate and a second retentate, optionally, washing the second retentate, and eluting the second retentate from the capture membrane or lysing the second retentate to recover the contents.
    Type: Grant
    Filed: October 11, 2019
    Date of Patent: September 14, 2021
    Assignee: Simpore Inc.
    Inventors: Jared A. Carter, Akash S. Patel, Cassandra R. Walinski, James A. Roussie
  • Patent number: 11110468
    Abstract: The present invention relates to a process for separating at least one first material from a mixture comprising this at least one first material, at least one second material and at least one third material, which comprises at least the following steps: (A) providing a mixture comprising at least one first material, at least one second material, at least one third material and at least one hydrocarbon in an amount of more than 0.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: September 7, 2021
    Assignee: BASF SE
    Inventors: David Johann Gilbert, Wolfgang Rohde, Michael Mentges, Rodrigo Enrique Munizaga, Oliver Kuhn, Bernhard Schuler
  • Patent number: 11103834
    Abstract: A dehydration method is a dehydration method for selectively separating water from a mixture that contains water, and the method includes a step of supplying the mixture to a supply side space of a zeolite membrane having an ERI structure, and a step of making a pressure difference between the supply side space and a permeation side space of the zeolite membrane having an ERI structure.
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: August 31, 2021
    Assignee: NGK Insulators, Ltd.
    Inventors: Kenichi Noda, Makoto Miyahara, Katsuya Shimizu, Takeshi Hagio
  • Patent number: 11097206
    Abstract: Disclosed is a continuous process for the purification of steviol glycosides such as Rebaudioside D and/or Rebaudioside M extracted from the dried stevia leaves or extracted from a fermentation broth using continuous simulated moving bed processes and nanofiltration without the addition of organic solvents to obtain a purified steviol product comprising sweet steviol glycosides. The sweet steviol glycosides can be used as substitutes for caloric sweeteners in beverages and in other food items.
    Type: Grant
    Filed: October 11, 2019
    Date of Patent: August 24, 2021
    Assignee: Orochem Technologies Inc.
    Inventors: Babu Siddegowda Antharavally, Anil R. Oroskar, Asha A. Oroskar
  • Patent number: 11097963
    Abstract: The present disclosure relates to a method for treating a solvent in wastewater generated in a polycarbonate production process. More specifically, the present disclosure relates to a method for treating a solvent in wastewater generated in a polycarbonate production process, which can easily recover a high purity solvent regardless of the concentration of the solvent by using a membrane distillation method to reuse it, and contribute to energy savings.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: August 24, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Youna Kim, Dong Kwon Lee, Jeong Seok Lee, Kwang Hyon Kim, Choongkyun Yeom, Seok Ki Kang, Kyehoon Kim
  • Patent number: 11097043
    Abstract: A filter and a device including the filter may include a filter and a plurality of pores arranged two-dimensionally on the filter. The plurality of pores may include a plurality of first pores having a longer structure in a certain direction and a plurality of second pores having a longer structure in a direction different from that of the first pore. The first and second pores may have a two-dimensional arrangement in order to suppress or prevent the occurrence of cracks in the filter due to stress.
    Type: Grant
    Filed: August 25, 2016
    Date of Patent: August 24, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jinho Oh, Huisung Moon, Minyoung Lee, Manseung Heo
  • Patent number: 11091378
    Abstract: A method of reducing selenium contamination in a waste water stream is described herein. The method includes channeling a flue gas stream through an absorber, contacting the flue gas stream with an aqueous alkaline-based slurry, such that any selenium byproduct in the flue gas stream forms a selenium compound within the aqueous alkaline-based slurry, controlling oxidation of the selenium compound in the aqueous alkaline-based slurry, and adding a precipitation agent to the aqueous alkaline-based slurry to cause the selenium compound within the aqueous alkaline-based slurry to precipitate.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: August 17, 2021
    Assignee: GENERAL ELECTRIC COMPANY
    Inventor: Raymond Raulfs Gansley
  • Patent number: 11091381
    Abstract: The disclosure provides a method for extracting antibacterial peptides and albumin from pea whey wastewater, which includes following steps: in extracting the albumin, centrifuging with the pea whey wastewater generated during pea protein processing as raw material; controlling temperature and exchanging heat to adjust temperature of the raw material; sequentially performing a microfiltrating, nanofiltration, ultrafiltration and secondary nanofiltration to obtain an albumin slurry; performing a multi-effect concentration on the albumin slurry; adding an alkaline substances to adjust pH; sterilizing and drying to finally obtain the albumin, which realizes a targeted extraction of the albumin with small molecular weight in the pea whey wastewater and avoids resource waste. The albumin with small molecular weight and the antibacterial peptides in the pea whey water are effectively recycled, thus avoiding environmental pollution caused by improper treatment of the pea whey water and realizing resource reuse.
    Type: Grant
    Filed: February 7, 2021
    Date of Patent: August 17, 2021
    Assignee: YANTAI SHUANGTA FOOD CO., LTD.
    Inventors: Shucheng Zhang, Jinjie Yang, Qingjia Zang, Shimin Wu, Guodong Yang
  • Patent number: 11090612
    Abstract: Embodiments of the present invention provide elements that are beneficial for use in fluid filtration. Embodiments provide elements that have variable feed spacer height, variable permeate spacer height, or both. The variable height allows flow properties to be matched to fluid volume as the filtration occurs.
    Type: Grant
    Filed: January 31, 2018
    Date of Patent: August 17, 2021
    Assignee: Aqua Membranes Inc.
    Inventors: Kevin Roderick, Rodney Herrington
  • Patent number: 11091379
    Abstract: Methods and systems for removal of ions from aqueous fluids are provided. In certain embodiments, the present disclosure provides a method of removing one or more oxyanions from an aqueous fluid, including the steps of contacting an aqueous fluid containing oxyanions with an aluminum metal whereby aluminum ions are released from the aluminum metal into the aqueous fluid, wherein the one or more oxyanions in the aqueous fluid react with the aluminum ions to form one or more ettringites; controlling a rate of release of the aluminum ions from the aluminum metal; and removing at least a portion of precipitated ettringites from the aqueous fluid.
    Type: Grant
    Filed: June 12, 2019
    Date of Patent: August 17, 2021
    Assignee: The Water Company, LLC
    Inventors: Peter Robert Norman, Brian Bruce Elson, Michael James Fallbach
  • Patent number: 11084045
    Abstract: The invention relates to a magnetic matrix for high intensity magnetic separator which is fed with a pulp containing magnetic and non-magnetic particles, the magnetic matrix (8) comprising a series of grooved metal plates (7) on both sides thereof, the grooved plates being arranged in rows parallel to and spaced apart from each other from the same spacing (6) within a housing, each face of each metal grooved plate (7) having the ridges aligned with the valleys of the face facing it of the grooved plate (7), and a corrugated expanded sheet (12) is disposed at each spacing (6) between adjacent grooved plates (7), with corrugations of the corrugated expanded sheets (12) accompanying the ridge-valley alignments of the respective grooved plates (7).
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: August 10, 2021
    Inventor: Jose Pancracio Ribeiro
  • Patent number: 11077407
    Abstract: The porous hollow-fiber membrane of the present invention comprises a fluororesin polymer, and has columnar structures oriented in the longitudinal direction thereof. In the porous hollow-fiber membrane, molecular chains of the fluororesin polymer have been oriented in the longitudinal direction of the porous hollow-fiber membrane and have an average value ? of Raman orientation parameter of 1.5-4.0.
    Type: Grant
    Filed: May 30, 2017
    Date of Patent: August 3, 2021
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Kenta Iwai, Masayuki Hanakawa, Tamotsu Kitade, Masahiro Kimura, Toshiyuki Ishizaki
  • Patent number: 11078095
    Abstract: [Solution] Provided is a water purification agent suitable for use in an automated purification treatment device, when a wastewater purification treatment using a plant-derived water purification agent is performed with the automated purification treatment device. The water purification agent is a granulated product containing a mixture of a plant powder and a polymer coagulant.
    Type: Grant
    Filed: September 4, 2019
    Date of Patent: August 3, 2021
    Assignee: Dexerials Corporation
    Inventors: Kazuhiro Kimura, Koji Hirata
  • Patent number: 11071954
    Abstract: Provided is a porous membrane that can be manufactured in uncomplicated steps, has high hydrophilicity and water permeability, and exhibits excellent anti-fouling properties when used in a membrane bioreactor method (MBR method). The porous membrane of the present invention is a porous membrane containing polymer (A) and polymer (B), wherein the polymer (A) is a membrane-forming polymer, the polymer (B) is a polymer having a unit (b1) represented by formula (1) and a unit (b2) based on hydroxyl group-containing (meth)acrylate, and the concentration (mass %) of the unit (b1) is equal to or higher than the concentration (mass %) of the unit (b2) in the porous membrane.
    Type: Grant
    Filed: September 12, 2019
    Date of Patent: July 27, 2021
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Shingo Hikita, Masashi Teramachi, Yuuki Fujii, Megumi Kubo, Ami Shinoda, Hiroki Fukuta, Seiichiro Mori
  • Patent number: 11071930
    Abstract: A fluid separator unit includes an elongate body having a circular internal cross-section and a longitudinal axis, an inlet which directs a fluid flow into the body in a rotational flow pattern around the longitudinal axis, a first outlet, a second outlet, a first centrifugal separation zone arranged within the body, a second centrifugal separation zone arranged within the body, a first fluid path from a central part of the first centrifugal separation zone to the first outlet, a second fluid path from an outer periphery of the second centrifugal separation zone to the first outlet, and a third fluid path from the second centrifugal separation zone to the second outlet. A diameter of the second centrifugal separation zone is smaller than a diameter of the first centrifugal separation zone.
    Type: Grant
    Filed: May 15, 2017
    Date of Patent: July 27, 2021
    Assignee: AKER SOLUTIONS AS
    Inventors: Arne Klaveness, Lars Krogstad Lien