Patents Examined by Madeline Gonzalez
  • Patent number: 10406459
    Abstract: Provided is a dry filter, including: a barrel; a first end cover and a second end cover; a first filter layer, provided at an end, close to the first end cover (20), in the barrel (10); a dry layer, provided in the barrel and located at a side, away from the first end cover, of the first filter layer, the dry layer including a first filter plate and a second filter plate, the second filter plate and a barrel wall of the barrel forming a dry chamber; and a first fixing structure, defining the position of the second filter plate in the barrel, such that a buffer chamber is formed between the second filter plate, an inner wall of the barrel and the second end cover. The dry filter solves the problems of easy accumulation of impurities on a filter plate of an existing dry filter and low utilization rate.
    Type: Grant
    Filed: August 23, 2016
    Date of Patent: September 10, 2019
    Assignee: Zhejiang Sanhua Intelligent Controls CO., Ltd.
    Inventors: Linping Wu, Weiwei Jiang
  • Patent number: 10399011
    Abstract: Disclosed are an integrated composite filter cartridge (200) and a water purifying system (300) having same. The integrated composite filter cartridge (200) comprises: an outer shell (20), wherein a chamber (21) is defined in the outer shell (20), and the outer shell (20) is provided with a raw water inlet (22), a pre-treated water outlet (23), a pre-treated water inlet (24), a purified water outlet (25) and a waste water outlet (26) which are in communication with the chamber (21); a pre-treatment filter cartridge (100); a central pipe (30); a filter membrane (40); and a control member, which is connected to the pre-treated water outlet (23) and the pre-treated water inlet (24). When the integrated composite filter cartridge (200) is used for the first time, the control member switches on the raw water inlet (22) and the pre-treated water outlet (23) and switches off the pre-treated water inlet (24).
    Type: Grant
    Filed: April 30, 2015
    Date of Patent: September 3, 2019
    Assignees: FOSHAN SHUNDE MIDEA WATER DISPENSER MFG. CO., LTD., MIDEA GROUP CO., LTD.
    Inventors: Xuegang Cai, Lei Liu
  • Patent number: 10384153
    Abstract: The invention relates to a filter unit (600), a method for manufacturing such a filter unit, and a cartridge (690) comprising such a filter unit. The filter unit (600) is characterized in that it comprises a filter material (601) which is integrated into the aperture of at least one foil (602, 603, 604). In a preferred embodiment, the filter material (601) may be located in the aperture of an intermediate foil (604) which is embedded between a top foil (602) and a bottom foil (603). Such a filter unit (600) can readily be produced in cost-effective processes like roll-to-roll manufacturing technologies.
    Type: Grant
    Filed: January 23, 2013
    Date of Patent: August 20, 2019
    Assignee: Minicare B.V.
    Inventors: Jacobus Hermanus Maria Neijzen, Toon Hendrik Evers
  • Patent number: 10376627
    Abstract: Filter assemblies are processing biological fluid, such as blood or a blood component containing leukocytes. The filter assemblies include a flexible housing with first and second walls. A filtration medium and a support member are at least partially positioned between the walls of the housing, with a seal joining the walls of the housing, the filtration medium, and the support member. The filter assemblies may further include a pre-filter and/or a post-filter positioned between the walls of the housing. If provided, the pre- and post-filter may be positioned on opposite walls of the filtration medium, with the post-filter being a mesh positioned between the filtration medium and one of the walls of the housing or within an opening defined by the support member. A seal of the filter assembly may pass through the filtration medium, with the filtration medium being substantially omitted in a section of the seal.
    Type: Grant
    Filed: June 6, 2014
    Date of Patent: August 13, 2019
    Assignee: Fenwal, Inc.
    Inventors: Paolo Verri, Daniel Lynn, Scott Day
  • Patent number: 10369502
    Abstract: A spin-on filter includes a housing and a cover plate defining a central opening. The housing has a closed end a circumferential wall extending from the closed end to an open end and circumscribes an internal chamber configured to receive a filter element. The cover plate includes a substantially planar outer surface extending radially outward from the central opening to an outer circumferential wall. The spin-on filter also includes a series of engagement tabs integrally formed with one of the outer circumferential wall of the cover plate or the interior wall of the housing. Each engagement tab is configured to mate with corresponding ones of a series of receiving slots formed within the other one of the outer circumferential wall of the cover plate or the interior wall of the housing when the cover plate and the housing are axially pressed together to secure the cover plate to the open end of the housing.
    Type: Grant
    Filed: January 10, 2017
    Date of Patent: August 6, 2019
    Assignee: MANN+HUMMEL Filtration Technology Group Inc.
    Inventors: David Brent Harrelson, James Michael Glazewski, Matthew Robert Hudson
  • Patent number: 10369495
    Abstract: The present invention comprises a process and apparatus for separation of hydrocarbons from hydrocarbon-containing produced water, wherein in stage 1 the hydrocarbon-containing produced water is supplied with a gas-containing component, whereupon a gas- and hydrocarbon-containing produced water mixture is fed to an inlet tube (22, 27) in the center of a tank, whereupon the said mixture is tangentially distributed via at least one nozzle (7) and at least one baffle plate (8.1), whereupon separated hydrocarbons are conveyed to at least one outlet from the tank and cleaned water is conveyed to an outlet (12) from the tank.
    Type: Grant
    Filed: July 17, 2015
    Date of Patent: August 6, 2019
    Assignee: Cameron Systems AS
    Inventor: Jorn Folkvang
  • Patent number: 10363505
    Abstract: High efficiency and high capacity glass-free filtration media include a blend of synthetic non-fibrillated staple fibers and fibrillated cellulosic staple fibers, wherein the fibrillated cellulosic fibers are present in the media in an amount to achieve an overall filtration efficiency at 4 microns of 95% or higher and a ratio of filtration capacity to media caliper of 0.5 mg/in2/mils and greater. The filtration media is made by forming a wet laid sheet from a fibrous slurry blend of the synthetic non-fibrillated staple fibers and fibrillated cellulosic staple fibers, followed by drying the sheet to obtain the filtration media. Optionally, the filtration media may be provided with a resin binder and may be grooved and/or pleated.
    Type: Grant
    Filed: April 21, 2017
    Date of Patent: July 30, 2019
    Assignee: AHLSTROM-MUNKSJÖ OYJ
    Inventor: Ina Parker
  • Patent number: 10363503
    Abstract: A reconfigurable foldable water filter system includes a plurality of filter units. Each filter unit includes a filter cartridge receiver that can accept and retain a water filter cartridge which includes a water filter. Both the well of each filter cartridge receiver and each filter cartridge are have a rectangular horizontal cross section. The filter cartridge receivers are joined together at corresponding corners, consecutively, in a series in a way that allows the filter cartridge receivers to pivot with respect to each other about the corresponding corners where they are joined. This allows the series of filter units to be arranged in a flat configuration or a folded configuration.
    Type: Grant
    Filed: October 19, 2018
    Date of Patent: July 30, 2019
    Inventor: Marvin Salganov
  • Patent number: 10357729
    Abstract: High efficiency and high capacity glass-free filtration media include a blend of synthetic non-fibrillated staple fibers and fibrillated cellulosic staple fibers, wherein the fibrillated cellulosic fibers are present in the media in an amount to achieve a multipass dust holding capacity of 10 mg/in2 and greater, and a multipass filtration efficiency at 1.5 microns of greater than 50%. The filtration media is made by forming a wet laid sheet from a fibrous slurry blend of the synthetic non-fibrillated staple fibers and fibrillated cellulosic staple fibers, followed by drying the sheet to obtain the filtration media. Optionally, the filtration media may be provided with a resin binder and may be grooved and/or pleated.
    Type: Grant
    Filed: April 21, 2017
    Date of Patent: July 23, 2019
    Assignee: AHLSTROM-MUNKSJÖ OYJ
    Inventor: Ina Parker
  • Patent number: 10358607
    Abstract: A filter for filtering pyrolysis oil and an arrangement. The filter is a split-flow filter (1, 1a, 1b), comprising a filter element (12), comprising plurality of apertures (17) extending through the filter element (12), a receiving channel (13) for receiving a flow (F) of pyrolysis oil to be filtered and for supplying said flow on first side (A) of the filter element (12), a main discharge channel (14) arranged on the first side (A) of the filter element (12) for discharging the portion of the flow (F) of pyrolysis oil having not penetrated through the filter element (12), and a filtrate channel (15) arranged on second side (B) of the filter element (12) for discharging the portion of the flow (F) of pyrolysis oil having penetrated through the filter element (12).
    Type: Grant
    Filed: December 14, 2016
    Date of Patent: July 23, 2019
    Assignee: Valmet Technologies Oy
    Inventors: Teppo Riihimaeki, Antti Kaura, Lauri Kokko, Joakim Autio
  • Patent number: 10350525
    Abstract: A connecting structure connects a filter housing to a filter housing retaining structure. The connecting structure conducts a liquid that is to be cleaned to the filter housing and discharges a purified liquid. The connecting structure includes a filter housing cover that connects to the filter housing and that receives a filter medium. The filter housing cover has attachment elements that connect to corresponding attachment elements of the filter housing retaining structure to establish an exchange of fluids between the filter housing retaining structure and the filter housing. Filter housing cover guides are on opposing sides of the filter housing cover; and guides on the filter housing retaining structure engage the filter housing cover guides when connecting the attachment elements of the filter housing cover with the attachment elements of the filter housing retaining structure to support and linearly guide the filter housing cover during the connection process.
    Type: Grant
    Filed: November 25, 2015
    Date of Patent: July 16, 2019
    Assignee: SARTORIUS LAB INSTRUMENTS GMBH & CO. KG
    Inventors: Roman Ritzka, Sebastian Purmann, Richard Brisland
  • Patent number: 10350552
    Abstract: The invention relates to a filter element (1) comprising a drainage element (2) which is arranged between two filter membranes (3). According to the invention, said drainage element (2) is made of a non-woven filtering material which is arranged in a laminated manner between the filter membranes (3) respectively by means of an adhesive non-woven material (4). The invention also relates to a method for producing a filter element (1), a drainage element (2) made from a non-woven filtering material being laminated between two filter membranes (3). An adhesive non-woven material (4) is arranged between the drainage element (2) and each filter membrane (3), then lamination takes place due to the thermal effect under pressure.
    Type: Grant
    Filed: April 29, 2015
    Date of Patent: July 16, 2019
    Assignee: WTA VOGTLAND GMBH
    Inventors: Reinhard Voigt, Volker Albrecht, Hardy Mueller, Kurt Bock, Eberhard Semmler
  • Patent number: 10350517
    Abstract: A tubular mesh filter has a first ring-shaped portion formed in one end side of a tubular filter portion that filters out a foreign object from a fluid and a second ring-shaped portion formed in the other end side of the filter portion. The first and second ring-shaped portions are thicker than the filter portion. The first and second ring-shaped portions and the filter portion are injection-molded in an integral manner by initially injecting molten resin into a first cavity portion used to shape the first ring-shaped portion, flowing the molten resin filled in the first cavity portion evenly to a second cavity portion used to shape the filter portion, and supplying the molten resin filled in the second cavity portion to a third cavity portion used to shape the second ring-shaped portion.
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: July 16, 2019
    Assignee: ENPLAS CORPORATION
    Inventor: Kenjiro Taki
  • Patent number: 10350521
    Abstract: A filter includes an outlet from a container, the outlet transverse to said inlet and a filter screen within the container that partially surrounds the outlet. In a further embodiment of the foregoing embodiment, the filter screen prevents passage of particles greater in size than 40 to 6000 microns. In a further embodiment of any of the foregoing embodiments, the filter screen provides a pressure drop of less than 0.5 psi. In a further embodiment of any of the foregoing embodiments, the filter screen defines a tortuous path with a bypass there around. In a further embodiment of any of the foregoing embodiments, the filter screen is cylindrical and extends parallel to a length of said container.
    Type: Grant
    Filed: January 15, 2013
    Date of Patent: July 16, 2019
    Assignee: United Technologies Corporation
    Inventors: Taylor Fausett, David L. Ripley
  • Patent number: 10343090
    Abstract: A filter element may include a tubular element, first and second end caps, each associated with an opposite end of the tubular element, filter media positioned around the tubular element and between the first and second end caps, a biasing element associated with the tubular element, and a retainer element positioned at a first end of the tubular element. The retainer element may include a retainer aperture including a central circular portion and two opposite lateral slots extending from opposite sides of the central circular portion, and two arcuate shoulder segments extending between opposite sides of the two opposite lateral slots.
    Type: Grant
    Filed: September 7, 2016
    Date of Patent: July 9, 2019
    Assignee: Caterpillar Inc.
    Inventors: Bryant Alan Morris, Jeffrey R. Ries, Timothy J. Bennett
  • Patent number: 10336627
    Abstract: A water filter and infusion pitcher apparatus includes a pitcher housing, a water filter disposed within the pitcher housing, and an infusion apparatus disposed inside the pitcher housing and detachably connected to the water filter. The infusion apparatus constructed to contain and/or hold material such as, for example fruit, vegetables, tea, medicines, flavorings, vitamins, minerals, and/or other items to infuse, seep, and/or dissolve into a liquid within the pitcher housing.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: July 2, 2019
    Assignee: Helen of Troy Limited
    Inventor: Michael Poindexter
  • Patent number: 10335723
    Abstract: A filter device has a filter element (17) that is exchangeably disposed in a filter housing (1). The filter element (17) is provided on one end with an end cap (23) that forms a surround for a rim of a filter material (31). The end cap (23) has a connector (43) attaching the filter element (17) in an operating position to an element seat (19; 45) inside the filter housing (1) such that a fluid-impermeable connection is formed between filter housing (1) and filter element (17). The connector (43) enables the positionally fixed mounting of the filter element (17) and the formation of a fluid-impermeable connection in conjunction with element seats (19; 45) of filter housings (1) of different designs.
    Type: Grant
    Filed: June 1, 2017
    Date of Patent: July 2, 2019
    Assignee: HYDAC FILTERTECHNIK GMBH
    Inventor: Dirk Roeder
  • Patent number: 10335717
    Abstract: A filter for gravity-fed applications, having filter media with a hollow center, the filter being generally prone to a degradation or cessation in fluid flow due to air entrapment or air lock within the filter housing cavity, which develops during filtering. A diffuser element is introduced to pierce the entrapped air bubble, the diffuser element being an elongated structure connected to the filter housing top end cap and extending through the entrapped air bubble to the filter media.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: July 2, 2019
    Assignee: KX Technologies LLC
    Inventors: Stephen P. Huda, Andrew Lombardo
  • Patent number: 10329039
    Abstract: The present disclosure generally relates to an apparatus for filling a biowaste tank having an inner body with first and second ends. The first end receives biowaste and the second end directs the biowaste into a tank. The apparatus has an outer body with first and second ends. The first end receives overflow and the second end is flush with the second end of the inner body, and the outer body fully encompasses the inner body. The apparatus has a first pipe with an inlet configured to attach to the tank and an outlet in the inner body, and a second pipe with an inlet in the outer body, and an outlet in the tank, the pipe configured to direct overflow biowaste from the inner body into the tank through a second aperture in the tank.
    Type: Grant
    Filed: July 20, 2017
    Date of Patent: June 25, 2019
    Inventor: Randy Kruse
  • Patent number: 10315148
    Abstract: A fluidic filter for filtering a fluid includes a filter housing having an inlet part, an outlet part and a housing part, and a filter element having an inlet side and an outlet side. The filter element is housed inside the housing part of the filter housing and includes a first flow passage that extends along a longitudinal direction of the filter element and is connected to the outlet part, and a plurality of ridges extending along the longitudinal direction. A plurality of second flow passages respectively are formed between ridges and an inner surface of the housing part, allowing the fluid to flow from the inlet side of the filter element along the longitudinal direction. At least a portion of the plurality of ridges facing the second flow passages is permeable to the fluid so as to allow passage of the fluid from the second flow passages to the first flow passage.
    Type: Grant
    Filed: November 3, 2014
    Date of Patent: June 11, 2019
    Assignee: ESA European Space Agency
    Inventors: Matthew Smith, Christopher Hunter, Don De Wilde, Nick Goody