Patents Examined by Dirk R Bass
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Patent number: 11806672Abstract: The invention relates to a method for cleaning a filter element made of a porous material. The method comprises directing ultrasound to the filter element, and directing after a predefined time from starting of the ultrasound an impulse to a filtrate reservoir causing filtrate inside the filtrate reservoir to be forced inside the filter element in order to remove particles from the surface of the filter element. Pressure of the impulse is between 4 to 8 times higher than the forward pressure and also that the reverse flux, measured in volume per area time, caused by the impulse is at the minimum 2 to 8 times the feed flux. The invention also relates to a filtering device comprising a filter element made of a porous material.Type: GrantFiled: March 1, 2019Date of Patent: November 7, 2023Assignee: Sofi Filtration OyInventors: Simo Aho, Ville Hakala
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Patent number: 11802060Abstract: The present invention provides a method for reducing the concentration of aluminum and nickel cations in a brine comprising aluminum and nickel cations. The treated brine can be used as a feedstock to membrane cell chlor-alkali process.Type: GrantFiled: February 11, 2021Date of Patent: October 31, 2023Assignee: Blue Cube IP LLCInventors: Jianqing Zhou, Kurt Garbade, Sergio Sabater-Prieto, Martin Offermann
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Patent number: 11801108Abstract: Methods of assembling a manifold for a medical waste collection system. A flapper valve unit is secured to a head of a cap. A filter element is positioned within a shell. Basket hands of the filter element are fitted between first pairs of ribs of the cap skirt. Fingers of the shell are fitted between second pairs of ribs of the cap skirt. The cap is secured to the shell to cover an open distal end of the shell. A drip stop is secured to the proximal end base of the shell to seat within the outlet opening. Ears may be fitted through holes defined by the flapper valve unit and cap holes defined by the cap so as to snap lock to the head of the cap. The hub of the flapper valve unit may be compressed with the ears snap locked to the head of the cap.Type: GrantFiled: May 18, 2023Date of Patent: October 31, 2023Assignee: Stryker CorporationInventors: Sean A Murray, David Hershberger, Brent S. Lalomia, Stephen Reasoner
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Patent number: 11802059Abstract: A porous carbon material having a value of a specific surface area by a nitrogen BET method of 1×102 m2/g or more, a volume of fine pores by a BJH method of 0.3 cm3/g or more, and a particle size of 75 ?m or more, alternatively, a porous carbon material having a value of a specific surface area by a nitrogen BET method of 1×102 m2/g or more, a total of volumes of fine pores having a diameter of from 1×10?9 m to 5×10?7 m, obtained by a non-localized density functional theory method, of 1.0 cm3/g or more, and a particle size of 75 ?m or more.Type: GrantFiled: June 24, 2020Date of Patent: October 31, 2023Assignee: Sony CorporationInventors: Shun Yamanoi, Hironori Iida, Machiko Minatoya, Seiichiro Tabata, Shinichiro Yamada
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Patent number: 11796071Abstract: There is provided a filter for a diaphragm valve. The filter attaches to a diaphragm of the valve and filters fluid entering a control chamber in the valve. The filter includes internal structure that increases the path from where fluid enters the filter through a mesh of holes to a single exit flow path leading to the control chamber. This increased path reduces the potential for debris in the flow to clog the exit flow path from the filter.Type: GrantFiled: July 7, 2020Date of Patent: October 24, 2023Assignee: Rain Bird CorporationInventors: Peter M. Niess, Michael A. McAfee, Gokhan Aydar, Sarath Chandran
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Soil and water remediation method and apparatus for treatment of recalcitrant halogenated substances
Patent number: 11795077Abstract: Disclosed are methods, apparatuses and systems for the remediation of contaminated soils, groundwater, water, and/or waste using a combination of reagents. The disclosed methods may be used to treat various recalcitrant halogenated substances, such as perfluoroalkyls and polyfluoroalkyls. Particular combinations of reagents that may be used in the disclosed methods include but are not limited to: (1) persulfate, oxygen and ozone; (2) persulfate, salt, oxygen and ozone; (3) persulfate, phosphate, and/or oxygen; (4) persulfate, phosphate, oxygen and ozone; (5) persulfate, phosphate, salt and oxygen (6) persulfate, phosphate, salt, oxygen and ozone; (7) oxygen and salt; and (8) air and salt. The disclosed methods may enhance destruction of organic contaminants in the liquid phase and may also control the rate of aerosol or foam formation relative to the rate of chemical oxidation and/or reduction/transfer.Type: GrantFiled: March 28, 2022Date of Patent: October 24, 2023Assignee: OXYTEC LLCInventor: Raymond G. Ball -
Patent number: 11795066Abstract: One aspect of the present invention relates to a carbonaceous material having a BET specific surface area calculated from a nitrogen adsorption isotherm by a BET method, of 750 m2/g or more and 1000 m2/g or less, a ratio of a pore volume of pores of 0.3875 to 0.9125 nm calculated from the nitrogen adsorption isotherm by a HK method to a total pore volume calculated from the nitrogen adsorption isotherm by the HK method, of 80% or more, and an average pore diameter obtained by the following formula using the BET specific surface area and the total pore volume calculated from the nitrogen adsorption isotherm by the HK method, of 1.614 nm or less: D=4000×V/S (wherein D represents the average pore diameter (nm), V represents the total pore volume (mL/g), and S represents the specific surface area (m2/g)).Type: GrantFiled: June 25, 2021Date of Patent: October 24, 2023Assignee: KURARAY CO., LTD.Inventors: Tetsuya Hanamoto, Mitsunori Hitomi, Hiroe Yoshinobu
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Patent number: 11786645Abstract: A portable dialysis cabinet for use in dialysis. The portable dialysis cabinet can have a size and weight that facilitates easy movement of the cabinet from one location to another with relative ease. The portable dialysis cabinet can have additional features necessary to facilitate portability, such as wheels and a handle. In general, the portable dialysis cabinet can contain all the necessary components for performing a dialysis session.Type: GrantFiled: November 28, 2018Date of Patent: October 17, 2023Assignee: Mozarc Medical US LLCInventors: Thomas E. Meyer, David B. Lura, Bryant J. Pudil, Martin T. Gerber
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Patent number: 11779689Abstract: Dialysis systems are disclosed comprising new fluid flow circuits. Systems may include blood and dialysate flow paths, where the dialysate flow path includes balancing, mixing, and/or directing circuits. Dialysate preparation may be decoupled from patient dialysis. Circuits may be defined within one or more cassettes. The fluid circuit fluid flow paths may be isolated from electrical components. A gas supply in fluid communication with the dialysate flow path and/or the dialyzer able to urge dialysate through the dialyzer and urge blood back to the patient may be included for certain emergency situations. Fluid handling devices, such as pumps, valves, and mixers that can be actuated using a control fluid may be included. Control fluid may be delivered by an external pump or other device, which may be detachable and/or generally rigid, optionally with a diaphragm dividing the device into first and second compartments.Type: GrantFiled: August 3, 2021Date of Patent: October 10, 2023Assignee: DEKA Products Limited PartnershipInventors: Dirk A. van der Merwe, Kevin L. Grant, Michael J. Wilt
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Patent number: 11779864Abstract: The invention relates to a high-pressure hydraulic fluid screening element (1) for inserting into a hydraulic line or into a hydraulic connection of a hydraulic device, having an annular main body (2), which is aligned with respect to its axis of rotation (9) in a longitudinal direction (5). The outside diameter of the main body (2) is greater than its axial length. The inner cross section of the main body (2) is covered over by a screening region (3), which is provided with a multiplicity of apertures (4). In this case, the main body (2) and the screening region (3) are produced integrally by the powder injection-molding process.Type: GrantFiled: November 8, 2018Date of Patent: October 10, 2023Assignee: Danfoss Power Solutions GMBH & CO OHGInventor: Reinhardt Thoms
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Patent number: 11771809Abstract: A method for stabilizing dialysate consumption flow in a central distribution loop for a plurality of dialysis machines comprises: coordinating each dialysate dispensing cycle of active ones of the dialysis machines; calculating dialysate or concentrates consumption based on amount required in each dialysate dispensing cycle of the active dialysis machines; and preparing the dialysate based on the calculated dialysate or concentrates consumption required by the active dialysis machines.Type: GrantFiled: June 26, 2018Date of Patent: October 3, 2023Assignee: Fresenius Medical Care Deutschland GmbHInventor: Kee Jor
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Patent number: 11772066Abstract: The present disclosure is directed to methods for scrubbing low levels of urea from aqueous solutions such as a dialysate from dialysis, and including blood and blood products, and devices capable of employing these methods.Type: GrantFiled: February 14, 2022Date of Patent: October 3, 2023Assignees: Drexel University, University of BrightonInventors: Yury Gogotsi, Sergey Mikhalovsky, Susan R Sandeman, Babak Anasori, Fayan Meng
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Patent number: 11759561Abstract: A method comprising obtaining a bodily fluid from a subject; contacting the bodily fluid with an adsorbent material comprising a synthetic carbon particle (SCP) to produce a first filtrate having a level of disease mediators (y); contacting the first filtrate with an adsorbent material comprising the SCP and an anion exchange resin where the ratio of SCP to anion exchange resin is from about 0.1:100 to 100:0.1 to produce a second filtrate; contacting the second filtrate with an adsorbent material comprising the SCP and a cation exchange resin where the ratio of SCP to cation exchange resin is from about 1:100 to produce a third filtrate; and administering the third filtrate to the subject.Type: GrantFiled: September 1, 2020Date of Patent: September 19, 2023Assignee: Immutrix Therapeutics, Inc.Inventors: Carol A. Rae, Jan Simoni, Grace Simoni, John F. Moeller
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Patent number: 11738126Abstract: The present invention relates to a concentrate container having a concentrate that is configured to form a dialysis solution after its dilution with a diluting agent, in particular with water, wherein the concentrate container is in communication with a first connector having a first code that contains at least one piece of information on the concentrate; and wherein the concentrate container is furthermore in communication with a second connector whose second code differs from the first code, with the second code containing at least one piece of information on the dialysis solution.Type: GrantFiled: June 27, 2018Date of Patent: August 29, 2023Assignee: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBHInventors: Frank Hedmann, Nadja Schubert
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Patent number: 11731065Abstract: A liquid filter in the form of a filter element or a filter cartridge provides torsion locking relative to a filter head when the housing of such filter is threaded onto a filter head. Many embodiments employ a filter that includes a nipple portion at a top end with the torsion lock detent provided outboard of the nipple portion or integrated into the nipple portion. Many embodiments employ a simplified shoulder transition region at the top end of a torsion locked filter element. Valve actuation and/or filter differentiation is used in some embodiments. Different torsion locking arrangements, deformable thread profiles and other liquid filter features are disclosed.Type: GrantFiled: March 26, 2019Date of Patent: August 22, 2023Assignee: PARKER-HANNIFIN CORPORATIONInventors: Ralle Rookey, Justin R. Pribanic, Jonathan D. Moore, Kevin B. Downs, Wayne J. Dubé, Steven J. Merritt
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Patent number: 11717600Abstract: A dialysis machine (e.g., a peritoneal dialysis (PD) machine) can include a control unit configured to operate in a hybrid automated mode during a PD treatment. A processor in the control unit is configured to engage a pump during a fill phase of the PD cycle. The volume of fluid (e.g., dialysate) transferred to a patient line during the fill phase is monitored. After a dwell period, the pump is disengaged at the start of a drain phase of the PD cycle. Disengaging the pump can include: configuring valves of a disposable cassette to bypass the pump chambers of a disposable cassette; activating a bypass valve to shunt the patient line to a drain line; or moving a roller assembly of a peristaltic pump. The fluid transferred from the patient line to the drain line is monitored during the drain phase of the PD cycle.Type: GrantFiled: June 4, 2020Date of Patent: August 8, 2023Assignee: Fresenius Medical Care Holdings, Inc.Inventors: Kulwinder Plahey, James Peterson
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Patent number: 11697607Abstract: A method and system of providing ultrapure water for semiconductor fabrication operations is provided. The water is treated by utilizing a free radical scavenging system. The free radical scavenging system can utilize actinic radiation with a free radical precursor compound, such as ammonium persulfate. The ultrapure water may be further treated by utilizing ion exchange media and degasification apparatus. A control system can be utilized to regulate a continuously variable intensity of the actinic radiation.Type: GrantFiled: March 11, 2021Date of Patent: July 11, 2023Assignee: Evoqua Water Technologies LLCInventors: Christopher Hall, Bruce Lee Coulter
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Patent number: 11697603Abstract: A filter medium of the present invention includes a porous carbon material having a value of a specific surface area by a nitrogen BET method of 1×102 m2/g or more, a volume of fine pores by a BJH method of 0.3 cm3/g or more, and a particle size of 75 ?m or more, alternatively, a porous carbon material having a value of a specific surface area by a nitrogen BET method of 1×102 m2/g or more, a total of volumes of fine pores having a diameter of from 1×10?9 m to 5×10?7 m, obtained by a non-localized density functional theory method, of 1.0 cm3/g or more, and a particle size of 75 ?m or more.Type: GrantFiled: February 9, 2012Date of Patent: July 11, 2023Assignee: Sony CorporationInventors: Shun Yamanoi, Hironori Iida, Machiko Minatoya, Seiichiro Tabata, Shinichiro Yamada
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Patent number: 11684442Abstract: Methods of assembling a manifold for a medical waste collection system. A flapper valve unit is secured to a head of a cap. A filter element is positioned within a shell. Basket hands of the filter element are fitted between first pairs of ribs of the cap skirt. Fingers of the shell are fitted between second pairs of ribs of the cap skirt. The cap is secured to the shell to cover an open distal end of the shell. A drip stop is secured to the proximal end base of the shell to seat within the outlet opening. Ears may be fitted through holes defined by the flapper valve unit and cap holes defined by the cap so as to snap lock to the head of the cap. The hub of the flapper valve unit may be compressed with the ears snap locked to the head of the cap.Type: GrantFiled: May 20, 2021Date of Patent: June 27, 2023Assignee: Stryker CorporationInventors: Sean A. Murray, David Hershberger, Brent S. Lalomia, Stephen Reasoner
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Patent number: 11685681Abstract: A method for treatment of mixed electroplating wastewater without a cyanide and a phosphorus-containing reductant without a cyanide and a phosphorus-containing reductant. A ferrous chloride solution is added into electroplating wastewater without a cyanide and a phosphorus-containing reductant. The pH of wastewater is adjusted to 10.5-12. Pollutants such as sodium cyanide and hydroxyl-containing organic amine complexants are oxidized with sodium hypochlorite. Carboxyl-containing organic acid complexants are precipitated. Hexavalent chromium is reduced to trivalent chromium to form chromium hydroxide precipitate. Precipitate is removed by filtering and wastewater is adjusted to pH 4.5-5.5. Heavy metal ions are precipitated with sodium dimethyldithiocarbamate or sodium diethyldithiocarbamate. Precipitate and heavy metal capturing agents are adsorbed with activated carbon followed by removal of precipitate. Wastewater is adjusted to pH 6-8.Type: GrantFiled: August 23, 2021Date of Patent: June 27, 2023Assignee: GUANGZHOU ULTRA UNION CHEMICALS LTDInventors: Chongwu Guo, Fonvoon Lai