Patents Examined by David C Mellon
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Patent number: 11254906Abstract: An automatic purification system using magnetic particles comprises: 1) a first container module; and 2) a system controller module. The first container module comprises a first container and a first magnetic field supply device disposed outside the first container. A first container liquid inlet is formed in the upper portion of the first container, and a first container liquid outlet is formed in the bottom of the first container. The system controller module can generate a variable magnetic field in the first container by controlling the first magnetic field supply device. A method for purifying a target component from a biological sample comprises a step for allowing a biological sample containing a target component to be in contact with magnetic particles capable of specifically binding the target component, in the first container in the automatic purification system.Type: GrantFiled: January 4, 2018Date of Patent: February 22, 2022Assignee: Nanjing GenScript Biotech Co., Ltd.Inventors: Xin Chen, Ruina He, Chao Wang, Hong Qian, Tao Bai
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Patent number: 11247152Abstract: The invention relates to a filter insert (100) for being removably arranged in a filter housing, wherein the filter insert (100) comprises a drainage member (104) projecting from a first end of the filter insert, wherein the drainage member projects in a transverse direction in relation to an axial direction of the filter insert.Type: GrantFiled: September 23, 2015Date of Patent: February 15, 2022Assignee: VOLVO TRUCK CORPORATIONInventor: Anders Ströby
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Patent number: 11241522Abstract: A filter apparatus for removing small molecule chemotherapy agents from blood is provided. The filter apparatus comprises a housing with an extraction media comprised of polymer coated carbon cores. Also provided are methods of treating a subject with cancer of an organ or region comprising administering a chemotherapeutic agent to the organ or region, collecting blood laded with chemotherapeutic agent from the isolated organ, filtering the blood laden with chemotherapeutic agent to reduce the chemotherapeutic agent in the blood and returning the blood to the subject.Type: GrantFiled: January 10, 2020Date of Patent: February 8, 2022Assignee: Delcath Systems, Inc.Inventors: Daniel S. Johnston, Jacques Chammas, William M. Appling, Samantha J. Barton
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Patent number: 11242267Abstract: A fluid treatment apparatus includes a ferrite assembly, a driver, and an oscillator circuit. The ferrite assembly is arranged in use to be capable of surrounding a conduit containing fluid to be acted on. The driver is arranged to generate a pulsed current to which the ferrite assembly is subjected whereby the driver is electromagnetically coupled to the ferrite assembly. The oscillator circuit is electromagnetically coupled to the ferrite assembly, and in response to the pulse generated by the driver, causes an oscillating signal to be generated which gives rise to an electromagnetic field which acts on the fluid in the conduit.Type: GrantFiled: April 15, 2021Date of Patent: February 8, 2022Assignee: MSL OILFIELD SERVICES LTDInventors: Martin Clark, Jonathan Kidd
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Patent number: 11241657Abstract: A method for removing silica from ultra pure water (UPW) comprises passing UPW through a filter comprising a microporous cationically charged membrane having an upstream surface and a downstream surface; and a porous asymmetric membrane having a first surface and an upstream portion and a downstream portion and a second surface, and a bulk between the first surface and the second surface including the upstream portion and the downstream portion, the porous asymmetric membrane having decreasing pore sizes in a direction from the first surface and the upstream portion to the downstream portion and the second surface, the second surface comprising a skin having a nanoporous average pore size, wherein the first surface of the porous asymmetric membrane contacts the downstream surface of the microporous cationically charged membrane; the method including passing the UPW through the microporous cationically charged membrane before passing the UPW through the porous asymmetric membrane.Type: GrantFiled: November 22, 2019Date of Patent: February 8, 2022Assignee: Pall CorporationInventors: I-Fan Wang, Amarnauth Singh
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Patent number: 11235992Abstract: Embodiments described herein relate to apparatus and methods for treating bodies of fluid. In an embodiment an apparatus includes a first rod spacer comprising a first rod aperture. Such an apparatus may also include a second rod spacer comprising a second rod aperture, the first rod aperture and the second rod aperture being circumferentially aligned about a centerline axis. Further, the apparatus may include a conductive rod extending between the first rod spacer and the second rod spacer, a first portion of the conductive rod being engaged with the first rod aperture and a second portion of the conductive rod being engaged with the second rod aperture, the conductive rod being configured to generate a magnetic field in response to an electrical current applied to the conductive rod, wherein the conductive rod is submersible in a body of chlorinated fluid for treatment of the body of fluid with the magnetic field.Type: GrantFiled: October 3, 2019Date of Patent: February 1, 2022Assignee: VODAA TECHNOLOGIES, LLCInventor: John Lersch
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Patent number: 11203663Abstract: Provided a method for separating PHA and PHA prepared therefrom. The method comprises the following steps: subjecting a PHA fermentation broth to solid-liquid separation to obtain a thallus precipitate; breaking cell walls of the thallus precipitate, and subjecting obtained wall-broken products to a plate and frame filtration to obtain PHA; a filter cloth for the plate and frame filtration is pre-coated with a PHA layer. The method adopts a plate and frame separation to replace the traditional centrifugal separation to prepare PHA, and the PHA layer is pre-coated on the filter cloth for the plate and frame filtration, thereby overcome the defects in the prior art such as high cost and operational difficulty caused by adopting multiple centrifugal separations; in addition, the method of the present disclosure also exhibits the advantages of high recovery rate of PHA and high purity of the prepared PHA product.Type: GrantFiled: December 30, 2020Date of Patent: December 21, 2021Assignees: COFCO (jilin) Bio-Chemical Technology CO., Ltd, Nutrition & Health Research Institute, COFCO Corporation, COFCO BIOTECHNOLOGY CO., LTD.Inventors: Yi Tong, Yi Li, Fang Tian, Kejia Xu, Yuanheng Guo, Bo Chen, Tai An, Dayong Li, Haijun Liu, Lida Wu
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Patent number: 11198076Abstract: A no filter no run bidirectional pin element is disclosed. A shell housing is removably coupled to a filtration housing, a removable no filter no run attachment, and a filter element. The filter element comprises a filtration media and a bidirectional pin element. The bidirectional pin element comprises a center tube formed as a single piece with a bidirectional pin. The installation of the filter element and the shell housing into the filtration system results in the bidirectional pin entering a pin aperture of the removable no filter no run attachment and the bidirectional pin preventing the operative engagement of a blocking element with a divider inside the no filter no run attachment.Type: GrantFiled: December 19, 2017Date of Patent: December 14, 2021Assignee: CUMMINS FILTRATION IP, INC.Inventors: Pravin Shantinath Kadam, Sudhindra Palaxa Arakeri, Kevin C. South, Ismail C. Bagci, Peter K. Herman
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Patent number: 11173453Abstract: A method for repairing a membrane filtration module in fluid communication with a plurality of additional membrane filtration modules includes fluidly connecting a fluid transfer assembly to the membrane filtration module, fluidly isolating the membrane filtration module from the plurality of additional membrane filtration modules, forcing liquid within the membrane filtration module into the fluid transfer assembly by introducing a pressurized gas into the membrane filtration module, releasing the pressurized gas from the membrane filtration module, fluidly disconnecting the fluid transfer assembly from the membrane filtration module, repairing one or more damaged membranes in the membrane filtration module, and fluidly reconnecting the membrane filtration module to the plurality of additional membrane filtration modules.Type: GrantFiled: September 24, 2019Date of Patent: November 16, 2021Assignee: ROHM AND HAAS ELECTRONIC MATERIALS SINGAPORESInventors: Zhiyi Cao, Bruce Gregory Biltoft, Jessica Stiller, Ying Hao Teo
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Patent number: 11167226Abstract: A method of cleaning a regenerative filter having a filter housing having inlet and outlet zones, a fluid path provided between the inlet and outlet zones, and a plurality of filter elements each having an outer surface filter media applied thereto and functioning to filter particulate or contaminants from the fluid path, the method comprising draining all fluids from the filter housing, refilling the filter housing with fluid to an optimum level, and initiating a cleaning sequence of the filter housing with the fluid at the optimum level. The cleaning sequence can comprise agitating the tube sheet, initiating a pump to effectively air scour for a first predetermined amount of time, dwelling for a second predetermined amount of time, and repeating the agitating, initiating, and dwelling until a third predetermined amount of time is complete.Type: GrantFiled: December 9, 2020Date of Patent: November 9, 2021Assignee: Blue Skies Global LLCInventor: Paul F. Nehlen, III
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Patent number: 11161066Abstract: A method for filtering magnetic particles includes spinning a filter including a plurality of pores within a substrate. The method further includes applying, subsequent to spinning the filter, an external magnetic field to the filter. The method includes disposing a solution including a first particle and a second particle onto the filter. The first particle includes a magnetic particle of interest. The method further includes separating the first particle from the second particle by capturing the first particle within a pore of the plurality of pores within the substrate.Type: GrantFiled: September 13, 2018Date of Patent: November 2, 2021Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Babar Khan, Emily R. Kinser
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Patent number: 11150225Abstract: A filter includes an inlet side, an outlet side, and a body. The body includes a first substrate that includes an array of inlet holes passing through the first substrate, and a second substrate that includes an array of outlet holes passing through the second substrate. The body further includes an intermediate region that includes a plurality of channels extending along a plane that is transverse or at an angle to a main axis of the filter. Each channel communicates directly or indirectly with at least one of the inlet holes and at least one of the outlet holes. The filter provides a plurality of fluid flow paths through the body from the inlet side to the outlet side.Type: GrantFiled: December 22, 2017Date of Patent: October 19, 2021Assignee: AGILENT TECHNOLOGIES, INC.Inventors: Qing Bai, Ares Geovanos, Hongfeng Yin, Thor Miller Wilbanks
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Patent number: 11148077Abstract: A composite filter cartridge, comprising a filter cartridge body provided with two filter devices. Each filter device is respectively provided with a support component which fixes the filter device, and the filter devices are arranged in a linear manner and fixed with respect to one another. Each filter device is respectively provided with an independent housing, a filter module and a filter water channel, the filter module and the filter water channel being arranged within the housing, the filter water channel sequentially comprising a water inlet cavity and a water outlet cavity, the water inlet cavity and the water outlet cavity being connected via the corresponding filter module.Type: GrantFiled: March 2, 2017Date of Patent: October 19, 2021Assignee: Foshan Viomi Electrical Technology Co., Ltd.Inventor: Xiaoping Chen
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Patent number: 11141684Abstract: The invention in at least one embodiment includes a system for treating water having an intake module, a vortex module, a disk-pack module, and a motor module where the intake module is above the vortex module, which is above the disk-pack module and the motor module. In a further embodiment, a housing is provided over at least the intake module and the vortex module and sits above the disk-pack module. In at least one further embodiment, the disk-pack module includes a disk-pack turbine having a plurality of disks having at least one waveform present on at least one of the disks.Type: GrantFiled: November 3, 2019Date of Patent: October 12, 2021Assignee: QWTIP LLCInventor: Whitaker Ben Irvin, Sr.
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Patent number: 11097969Abstract: Disclosed is an apparatus for water treatment, including a membrane separator for solid-liquid separation; and a particle fractionator which has at least two exits of a fractionated solid-liquid mixture produced therein, wherein a liquor containing particles of different sizes including submicron particles is fed to the particle fractionator before a membrane separation by the membrane separator, and wherein a first fraction of the fractionated solid-liquid mixture is returned to the membrane separator from one exit of the at least two exits of the particle fractionator, the first fraction being less than the liquor in terms of content of the submicron particles. This apparatus enables a rapid achievement of suppression of membrane fouling.Type: GrantFiled: March 31, 2017Date of Patent: August 24, 2021Assignee: MEIDENSHA CORPORATIONInventors: Hiroshi Noguchi, Guihe Tao, Terutake Niwa, Yasuhiro Fukuzaki, Yingjie Lee, Jia Ting Yen, Seng Chye Chua, Bernhard Wett
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Patent number: 11097961Abstract: Water contaminated with antibiotics, pharmaceuticals, microorganisms and other organic material stripped of these contaminating products with a specialized gas sparged hydrocyclone apparatus using an ozone containing gas as the stripping gas. The stripping gas contains 50-98 volume percent ozone, and the contaminated water is exposed to UV light prior to introduction into the sparger.Type: GrantFiled: February 3, 2020Date of Patent: August 24, 2021Assignee: John D. Jones Engineering, Inc.Inventor: John D. Jones
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Patent number: 11083984Abstract: A duct for use in a system for separating particles suspended in a fluid and a method for designing such duct. The duct comprises at least one trapping-bay portion having a main channel extending along a curved central line defining a fluid flow direction and trapping bay(s) for trapping at least a part of the particles and coextensive with the channel along the line. The channel and the bay(s) are as follows in a cross-section of the trapping-bay portion taken perpendicularly to the line: the channel has a basic polygonal shape defined by at least four channel walls including outer, inner, upper and lower channel walls; and the bay protrudes from the inner and/or outer channel walls away from the line and has bay walls generally parallel to the corresponding walls of the channel oriented in the same way, the area of the bay smaller than that of the channel.Type: GrantFiled: September 1, 2016Date of Patent: August 10, 2021Inventor: Shahar Madmoni
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Patent number: 11065566Abstract: A regenerative filter that includes a filter housing having inlet and outlet zones; a fluid path provided between the inlet and outlet zones; a plurality of filter elements each having an outer surface filter media applied thereto and functioning to filter particulate or contaminants from the fluid path; and a tube sheet that is supported across the filter housing, that is disposed just before the outlet zone and that provides the support for the plurality of filter elements. The plurality of filter elements are disposed in an an-ay and includes bridging members or elements that connect between adjacent filter elements, and that forms with the filter elements, a closed interstitial space between adjacent filter elements for liquid flow; a nanoscale barrier on interior surfaces, including that of the regenerative media itself, providing a mechanism to disrupt the cell wall of microscopic viruses and organisms.Type: GrantFiled: March 23, 2019Date of Patent: July 20, 2021Assignee: Blue Skies Global LLCInventor: Paul F. Nehlen, III
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Patent number: 11052335Abstract: An oil filter adapter device may be used to enable an engine or other machine that was manufactured for using cartridge oil filters to use spin-on oil filters. In some examples, the oil filter adapter may have a docking collar for coupling with an engine, a cylindrical base for coupling with an oil filter housing, and an attachment piece for coupling with a spin-on oil filter. The oil filter adapter may also have a spring disposed between the docking collar and the cylindrical base such that the docking collar is compressible relative to the cylindrical base to allow the oil filter adapter is able to couple to a variety of oil filter housings ranging in size and shape.Type: GrantFiled: January 29, 2019Date of Patent: July 6, 2021Inventor: Kevin Baxter
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Patent number: 11052331Abstract: A diffusiophoretic water filtration device has a pressurizable gas chamber for receiving a pressurized gas; an inlet manifold for receiving a colloidal suspension including colloidal particles in water; a flow chamber having an inlet and an outlet, the flow chamber for receiving the colloidal suspension at the inlet from the inlet manifold, the colloidal suspension flowing between the inlet and at least one outlet in a flow direction; and a gas membrane separating the gas chamber and the flow chamber, the sheet being made of a gas permeable membrane, the pressurized gas capable of permeating the membrane, the membrane being water impermeable, the gas membrane having a first side facing the pressurized gas chamber, and a second side facing the flow chamber, the flow chamber having a plurality of channels, each channel contacting the second side of the membrane; and an outlet splitter separating a first outlet from a second outlet and splitting the plurality of channels, the first outlet for receiving water havType: GrantFiled: November 2, 2018Date of Patent: July 6, 2021Assignee: Split Rock Filter Systems LLCInventor: William Christian Gehris