Patents Examined by Waqaas Ali
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Patent number: 11701603Abstract: A pool filter core, comprising two portions, a first portion and a second portion, wherein each of the two portions may be halved or truncated cylinders, wherein the portions are configured to engage one another along the vertical edges of the portions, such that when the portions engage one another, an open cylinder is formed that is configured to support a filter substrate and allow for water to flow from outside to inside.Type: GrantFiled: September 27, 2021Date of Patent: July 18, 2023Assignee: Optimum Pool Technologies, Inc.Inventors: Robert Saedi, Brandon Saedi, Thomas Saedi
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Patent number: 11692661Abstract: A compact strainer having a small pressure loss which is easily cleaned without inserting and detaching screens in and from a strainer casing. Front and rear end portions of a tubular casing are respectively provided with an inlet and an outlet. A barrier divides in two a linear channel between the inlet and the outlet along a flowing direction and is provided on the outlet side so as to face the inlet. A filter portion surrounding the inlet is constituted by the barrier, a pair of screens laterally opposing each other and arranged at a predetermined interval are provided, and the upper and lower portions of an inner surface of an outer wall of the casing, and upper and lower regions of the outer wall are provided with opening portions with lids which make the inside of the filter portion communicate with the outside.Type: GrantFiled: January 7, 2022Date of Patent: July 4, 2023Assignee: KANE KOGYO CO., LTD.Inventors: Masaru Ochiai, Nobuki Saito, Takashi Seino
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Patent number: 11691096Abstract: A filter pulsation dampening device has a replaceable filter element including a plurality of baffles disposed next to each other or a flexible valve that is disposed proximate a baffle.Type: GrantFiled: October 6, 2021Date of Patent: July 4, 2023Assignee: Caterpillar Inc.Inventors: Jeffrey R. Ries, Jon T. Immel, Javier A. Rodriguez
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Patent number: 11684876Abstract: A filter apparatus includes a filter, such as a cartridge, positioned within a housing. The filter apparatus has multiple ports and valves, so as to allow a user to easily switch between a filtration mode of filtering fluids and a maintenance mode of cleaning the filter. The filter can have a filter substrate in a housing and after filtrate builds up on the substrate, the substrate can be cleaned by directing a spray of fluid, such as from a ring of nozzles at the top of the housing, onto the substrate. A maintenance port can be provided to drain the debris washed from the substrate. The filter can switch between a backwash mode and a filtration mode.Type: GrantFiled: December 1, 2020Date of Patent: June 27, 2023Assignee: Asia Connection LLCInventor: Reza Afshar
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Patent number: 11684878Abstract: 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: December 22, 2020Date of Patent: June 27, 2023Assignee: International Business Machines CorporationInventors: Babar Khan, Emily R. Kinser
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Patent number: 11684895Abstract: A composite reverse osmosis membrane having a semipermeable bilayer polyamide composition comprising a base layer containing a rigid crosslinked aromatic polyamide and a top layer containing a flexible aliphatic polyamide is disclosed, the two layers in combination providing reduced salt passage in reverse osmosis desalination of brackish waters and of seawater.Type: GrantFiled: September 3, 2020Date of Patent: June 27, 2023Assignee: NL Chemical Technology, Inc.Inventors: John F. Thompson, Lars Kohler, Qun Song, Jane C. Li
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Patent number: 11679347Abstract: A filter support element for a candle filter is provided. Methods of making and using the filter support element are provided.Type: GrantFiled: May 30, 2019Date of Patent: June 20, 2023Inventors: Jonn McFarlen, Trevor Robert Spens Van Bavel, Seann Gordon Russell McFarlen
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Patent number: 11673118Abstract: A stacked sorbent assembly for use in sorbent dialysis. The stacked sorbent assembly contains two or more interchangeable sorbent pouches that allow for fluid to freely pass into and through the sorbent materials, while keeping the sorbent materials inside the sorbent pouches. Any of the pouches in the sorbent cartridge can be reused and/or recharged.Type: GrantFiled: May 26, 2021Date of Patent: June 13, 2023Assignee: Mozarc Medical US LLCInventors: Martin T. Gerber, Christopher M. Hobot
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Patent number: 11666840Abstract: A filtering system (10) includes a filtering apparatus having a filter unit for receiving liquid to be filtered, a receptacle for receiving filtered liquid, and an adapter (14) for coupling the filter unit to the receptacle, and also includes a base (12) having a cradle (26) for receiving the filtering apparatus and a base vacuum delivery port (28). The adapter includes an adapter vacuum receiving port (22) coupled to the vacuum delivery port for driving the liquid through the filter and—as filtered liquid—into the receptacle. The cradle and the adapter have an interlocking mechanism (52, 54) that locks the filtering apparatus to the cradle in a locking position in which the vacuum receiving port is sealingly coupled to the base vacuum delivery port. The base vacuum delivery port has a vacuum valve (30) constituted as a normally-closed valve automatically forced open when the filtering apparatus locks to the cradle.Type: GrantFiled: January 8, 2021Date of Patent: June 6, 2023Assignee: SARTORIUS STEDIM BIOTECH GMBHInventors: Karl Pflanz, Sebastian Pruehl, Andreas Pickl, Roland Leetsch, Adam Gilbert, Martin Purshouse
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Patent number: 11660573Abstract: An embodiment an apparatus, including: a housing that permits airflow there-through; an air permeable filter disposed in the housing; where the air permeable filter is angled such that it does not sit in a horizontal plane across the housing; and an attachment mechanism for securing the housing to an enclosure that houses heat generating electronics. Other embodiments are described and claimed.Type: GrantFiled: December 23, 2019Date of Patent: May 30, 2023Assignee: Ice Qube, Inc.Inventors: Reid Curran, Justin Greubel
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Patent number: 11660553Abstract: Methods and systems for recovering retained filtered fluid are provided.Type: GrantFiled: October 11, 2021Date of Patent: May 30, 2023Assignee: CYTIVA US LLCInventor: Mark Ayles
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Patent number: 11659946Abstract: A drinking cup filter assembly for inhibiting a user's mouth from contacting a drinking cup includes a shield that has a first portion being spaced from a second portion to define a cup space between the first and second portions. The shield can be suspended on a lip of a drinking cup having the lip being positioned in the cup space. The first portion and the second portion inhibit a user's lips from contacting the drinking cup when the user drinks. The first portion has a plurality of fluid inlets and a fluid outlet to pass a beverage in the drinking cup through the fluid inlets and the fluid outlet. In this way the user can drink the beverage. A filter is removably positioned within the first portion of the shield to filter the beverage.Type: GrantFiled: July 24, 2019Date of Patent: May 30, 2023Inventor: Francisco Del Valle
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Patent number: 11654384Abstract: A filter cartridge includes a threaded sleeve having a seal holder recess and seal member. The filter cartridge is for removably threading onto a filter head that includes threads for connection to the filter cartridge by way of the threaded sleeve. The filter head includes a ramp that engages the seal member to form a seal. The force needed to make the seal is a torque of less than 10 N-m.Type: GrantFiled: June 21, 2022Date of Patent: May 23, 2023Assignee: Donaldson Company, Inc.Inventors: Michael J. Gustafson, Kurt Joscher, David B. Harder, Brian Tucker
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Patent number: 11655609Abstract: A removable and replaceable end cap that selectively lockingly engages a seat ring of a filter housing. The end cap may include a flange that compresses a gasket member between the end cap and the seat ring to form a fluid tight seal therebetween. The end cap may include cam locking grooves that may each receive insertion of a protrusion of the seat ring, and which are structured for at least rotational displacement about the received protrusion as the end cap is rotated between locked and unlocked positions relative to the seat ring. The end cap may also include an opening that accommodates the passage of a fluid to a filter element. The filter element, which may be coupled to the end cap, may be adapted to remove particulate or contaminate from the received fluid.Type: GrantFiled: August 16, 2021Date of Patent: May 23, 2023Assignee: Donaldson Company, Inc.Inventors: Jason Wells, Aaron Hoeg
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Patent number: 11649747Abstract: A liquid filter device may include a filter housing and a ring filter element arranged in the filter housing. The filter housing may include a filter housing cover and a filter housing pot connectable tightly therewith via a housing seal. A discharge channel, a central clean channel, and a vent channel may be disposed in the filter housing pot. The ring filter element may include an upper end plate, a lower end plate, and a pleated star. When the liquid filter device is in an operating state, a pin arranged on the lower end plate may be disposed in and seal the discharge channel via a first seal, a second seal arranged on the lower end plate may be disposed against a surface of the clean channel, and a third seal arranged on the upper end plate may be disposed against a surface of the vent channel.Type: GrantFiled: November 10, 2020Date of Patent: May 16, 2023Inventors: Uli Haeussermann, Heiko Hensinger
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Patent number: 11648494Abstract: A water filter cartridge guide includes a ring with inward facing protuberances and outward facing protuberances. The guide is operative to center a water filtration cartridge within a sump.Type: GrantFiled: March 31, 2022Date of Patent: May 16, 2023Inventor: James William Rupple
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Patent number: 11633679Abstract: A cylindrical filter element having a central longitudinal axis and filter media including a plurality of radially extending pleats arranged in a pattern that repeats around the central longitudinal axis. Each of the pleats comprises an inner pleat tip, wherein the inner pleat tips of each pattern define an open area that extends along a height of the filter element, and wherein each pattern of pleats comprises a first series of intermediate pleats that descends in length from a major pleat to a minor pleat and a second series of intermediate pleats that ascends in length from the minor pleat to a major pleat of an adjacent pattern of pleats.Type: GrantFiled: December 6, 2018Date of Patent: April 25, 2023Assignee: DONALDSON COMPANY, INC.Inventor: Jacob Curtis Savstrom
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Patent number: 11628385Abstract: A filtration system comprises a housing having a first housing end and a second housing end. The housing defines a central compartment therein. The housing includes an alignment tab disposed on the second housing end. The alignment tab protrudes from the second housing end towards the first housing end. A filter element is positioned within the housing. The filter element includes a first endcap, a second endcap, and filter media positioned between and extending axially between the first endcap and the second endcap. The filter media defines a central opening extending axially therein. An alignment notch is disposed on the second endcap, the alignment notch protruding from the second endcap toward the first endcap.Type: GrantFiled: July 8, 2019Date of Patent: April 18, 2023Assignees: CUMMINS FILTRATION IP, INC., DAVCO TECHNOLOGY, LLCInventors: Joshua Luther Young, Dean Olson, Carey A. Curt, Philip S. Hall, Zdzislaw Chajec
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Patent number: 11629066Abstract: A method and apparatus for conditioning the settled solids in the bottom of a wastewater filtration tank to reduce the acidification of the sludge and prevent the excessive growth of undesirable biological growth.Type: GrantFiled: July 8, 2021Date of Patent: April 18, 2023Assignee: Aqua-Aerobic Systems, Inc.Inventor: Terence K. Reid
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Patent number: 11612837Abstract: Filters comprising a filter arm comprising a plurality of hollow elements in fluid communication with each other, the hollow elements having porous walls, the filter arm having a first and a second end; a hollow transition element comprising a collector having a side wall, a central cavity, an upper closed end and a lower open end; and a hollow transition element arm having a first and a second transition arm end, and a porous side wall; wherein the first transition arm end is in fluid communication with the second end of the filter arm; and the second transition arm is connected to the side wall of the collector, and is in fluid communication with the central cavity of the collector; and, a hollow base having a side wall, and a base outlet port, wherein the hollow base connected to, and in fluid communication with, the collector; filter devices including the filters, and methods of filtration using the filters, are disclosed.Type: GrantFiled: September 18, 2020Date of Patent: March 28, 2023Assignee: Pall CorporationInventors: James A. Bair, Eddie J. Sturdevant