Patents by Inventor Mark Wilf
Mark Wilf has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8617397Abstract: The present invention relates to reverse osmosis filtration devices, and more particularly, to membrane filtration devices (10, 11, 12) that have flow meters and fluid conductivity meters powered by RFID tags. Embodiments of the present invention comprise reverse osmosis filters and filtration systems comprising measuring devices, including flow and conductivity meters. The meters of the present invention are preferably located on or within permeate core tubes (16) of filtration devices and systems.Type: GrantFiled: September 7, 2006Date of Patent: December 31, 2013Assignees: Hydranautics, Nitto Denko CorporationInventors: Norio Ikeyama, Mark Wilf
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Patent number: 8357300Abstract: A method for reducing a boron concentration in a boron-containing aqueous liquid involves administering micelle(s) for selective boron adsorption to the boron-containing aqueous liquid to produce boron-bonded micelle(s), wherein the micelle(s) comprise a reaction product of an N-substituted-glucamine and a glycidyl ether; passing the micelle-containing aqueous liquid through a membrane to separate the boron-bonded micelle(s) from the aqueous liquid; and recovering a permeate having a reduced boron concentration from the membrane. A material capable of selectively adsorbing boron from a boron-containing aqueous liquid contains at least one micelle having a hydrophobic tail and a head comprising a hydrophilic functional group having formula (I): R1—O-A??(I) R1 represents a hydrocarbon group selected from the group consisting of substituted and unsubstituted aromatic, linear aliphatic, and branched aliphatic hydrocarbon groups and mixtures thereof, and A contains hydroxyl and amine groups.Type: GrantFiled: August 16, 2010Date of Patent: January 22, 2013Assignee: HydranauticsInventors: Il Juhn Roh, Mark Wilf, Craig R. Bartels
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Publication number: 20120037565Abstract: A method for reducing a boron concentration in a boron-containing aqueous liquid involves administering micelle(s) for selective boron adsorption to the boron-containing aqueous liquid to produce boron-bonded micelle(s), wherein the micelle(s) comprise a reaction product of an N-substituted-glucamine and a glycidyl ether; passing the micelle-containing aqueous liquid through a membrane to separate the boron-bonded micelle(s) from the aqueous liquid; and recovering a permeate having a reduced boron concentration from the membrane. A material capable of selectively adsorbing boron from a boron-containing aqueous liquid contains at least one micelle having a hydrophobic tail and a head comprising a hydrophilic functional group having formula (I): R1—O-A??(I) R1 represents a hydrocarbon group selected from the group consisting of substituted and unsubstituted aromatic, linear aliphatic, and branched aliphatic hydrocarbon groups and mixtures thereof, and A contains hydroxyl and amine groups.Type: ApplicationFiled: August 16, 2010Publication date: February 16, 2012Applicant: HYDRANAUTICSInventors: Il Juhn ROH, Mark WILF, Craig R. BARTELS
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Patent number: 7736495Abstract: Embodiments of the present invention comprise reverse osmosis filters and systems comprising embedded radio frequency identification (RFID) tags for storing and retrieving data. The RFID tags can be preferably embedded under a filtration device's protective outer shell. Information can be easily stored onto and retrieved from the embedded RFID tags. The ability to easily store and retrieve data from the embedded RFID devices facilitates the creation of loading maps, monitoring, addition, and replacement of fluid filtration devices.Type: GrantFiled: October 14, 2008Date of Patent: June 15, 2010Assignees: Hydranautics, Nitto Denko CorporationInventors: Norio Ikeyama, Mark Wilf
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Publication number: 20090320563Abstract: The present disclosure relates to a system comprising integrated sensors (169, 170) for measurement of permeate flow and permeate conductivity of individual membrane elements (163) while they are in operation in an RO unit. The flow and conductivity measuring integrated sensors (169, 170) are of a small size that enables them to be inserted into the permeate tube (172) of connected membrane elements (163) during RO unit operation. Measured flow and conductivity information is transferred to the recording device (174) through electric wires or through wireless transmission.Type: ApplicationFiled: March 12, 2007Publication date: December 31, 2009Applicant: HYDRANAUTICSInventors: Mark Wilf, Rich Franks, Craig Bartels, Norio Ikeyama
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Patent number: 7584061Abstract: The present disclosure relates to a system comprising an integrated sensor for measurement of permeate flow and permeate conductivity of individual membrane elements while they are in operation in an RO unit. The flow and conductivity measuring integrated sensor is of a small size that enables it to be inserted into the permeate tube of connected membrane elements during RO unit operation. Measured flow and conductivity information is transferred to the recording device through electric wires or through wireless transmission.Type: GrantFiled: March 12, 2007Date of Patent: September 1, 2009Assignees: Hydranautics, Nitto Denko CorporationInventors: Mark Wilf, Rich Franks, Craig Bartels, Norio Ikeyama
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Publication number: 20090039020Abstract: Methods of treating a high salinity liquid, such as seawater, containing boron are provided, including adjusting the pH of the liquid to about 8 to about 9.5, optionally adding a scale inhibitor to the liquid, passing the liquid through a reverse osmosis device, and recovering a permeate having a boron concentration less than about 2 ppm. One embodiment includes removing colloidal matter from the liquid using a membrane filtration system, such as ultrafiltration or microfiltration, prior to passing the liquid through the reverse osmosis device, and preferably prior to adjusting the pH of the liquid.Type: ApplicationFiled: October 20, 2008Publication date: February 12, 2009Applicants: HYDRANAUTICS, NITTO DENKO CORPORATIONInventors: Mark Wilf, Craig R. Bartels, Masahiko Hirose
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Publication number: 20090032477Abstract: Embodiments of the present invention comprise reverse osmosis filters and systems comprising embedded radio frequency identification (RFID) tags for storing and retrieving data. The RFID tags can be preferably embedded under a filtration device's protective outer shell. Information can be easily stored onto and retrieved from the embedded RFID tags. The ability to easily store and retrieve data from the embedded RFID devices facilitates the creation of loading maps, monitoring, addition, and replacement of fluid filtration devices.Type: ApplicationFiled: October 14, 2008Publication date: February 5, 2009Applicant: HYDRANAUTICSInventors: Norio Ikeyama, Mark Wilf
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Patent number: 7481917Abstract: Embodiments of the present invention comprise reverse osmosis filters and systems comprising embedded radio frequency identification (RFID) tags for storing and retrieving data. The RFID tags can be preferably embedded under a filtration device's protective outer shell. Information can be easily stored onto and retrieved from the embedded RFID tags. The ability to easily store and retrieve data from the embedded RFID devices facilitates the creation of loading maps, monitoring, addition, and replacement of fluid filtration devices.Type: GrantFiled: March 5, 2004Date of Patent: January 27, 2009Assignee: HydranauticsInventors: Norio Ikeyama, Mark Wilf
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Publication number: 20080296208Abstract: The present invention relates to reverse osmosis filtration devices, and more particularly, to membrane filtration devices (10, 11, 12) that have flow meters and fluid conductivity meters powered by RFID tags. Embodiments of the present invention comprise reverse osmosis filters and filtration systems comprising measuring devices, including flow and conductivity meters. The meters of the present invention are preferably located on or within permeate core tubes (16) of filtration devices and systems.Type: ApplicationFiled: September 7, 2006Publication date: December 4, 2008Inventors: Norio Ikeyama, Mark Wilf
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Patent number: 7442309Abstract: Methods of treating a high salinity liquid, such as seawater, containing boron are provided, including adjusting the pH of the liquid to about 8 to about 9.5, optionally adding a scale inhibitor to the liquid, passing the liquid through a reverse osmosis device, and recovering a permeate having a boron concentration less than about 2 ppm. One embodiment includes removing colloidal matter from the liquid using a membrane filtration system, such as ultrafiltration or microfiltration, prior to passing the liquid through the reverse osmosis device, and preferably prior to adjusting the pH of the liquid.Type: GrantFiled: June 12, 2003Date of Patent: October 28, 2008Assignee: HydranauticsInventors: Mark Wilf, Craig R. Bartels, Masahiko Hirose
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Publication number: 20070209977Abstract: The present disclosure relates to a system comprising an integrated sensor for measurement of permeate flow and permeate conductivity of individual membrane elements while they are in operation in an RO unit. The flow and conductivity measuring integrated sensor is of a small size that enables it to be inserted into the permeate tube of connected membrane elements during RO unit operation. Measured flow and conductivity information is transferred to the recording device through electric wires or through wireless transmission.Type: ApplicationFiled: March 12, 2007Publication date: September 13, 2007Inventors: Mark Wilf, Rich Franks, Craig Bartels, Norio Ikeyama
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Publication number: 20050194317Abstract: Embodiments of the present invention comprise reverse osmosis filters and systems comprising embedded radio frequency identification (RFID) tags for storing and retrieving data. The RFID tags can be preferably embedded under a filtration device's protective outer shell. Information can be easily stored onto and retrieved from the embedded RFID tags. The ability to easily store and retrieve data from the embedded RFID devices facilitates the creation of loading maps, monitoring, addition, and replacement of fluid filtration devices.Type: ApplicationFiled: March 5, 2004Publication date: September 8, 2005Inventors: Norio Ikeyama, Mark Wilf
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Patent number: 6821430Abstract: In the treatment, a reverse osmosis membrane element having a polyamide skin layer is loaded in a pressure vessel in a membrane separator and contacted with a bromide-containing aqueous solution of free chlorine. The thus treated reverse osmosis membrane element retains for a long time its effect of reducing solute concentration in a solution treated with the reverse osmosis membrane and rejects efficiently non-electrolytic organic materials or substances such as boron that will not be dissociated in a neutral region. A reverse osmosis membrane module having the thus treated reverse osmosis membrane element is provided as well.Type: GrantFiled: September 18, 2002Date of Patent: November 23, 2004Assignees: Nitto Denko Corporation, HydranaticsInventors: Masaaki Andou, Terutaka Watanabe, Masahiko Hirose, Hisao Hachisuka, Mark Wilf, Craig Bartels, Keith Andes
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Patent number: 6805796Abstract: A water treatment apparatus according to the present invention includes a plurality of composite reverse osmosis membrane modules arranged in multi-stages, each of the modules including a porous support and a polyamide skin layer formed on the porous support. In this apparatus, the module at the final stage is supplied with some of permeated water obtained from at least one module preceding the module at the final-stage, and a rest of the permeated water is discharged from or recovered in the apparatus along with permeated water obtained from the final-stage module.Type: GrantFiled: February 13, 2001Date of Patent: October 19, 2004Assignees: Nitto Denko Corporation, HydranauticsInventors: Masahiko Hirose, Atsushi Hiro, Mark Wilf
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Publication number: 20040188339Abstract: A modular membrane filtration device is provided with replaceable membrane elements. The device is designed for ease of cleaning or replacing the membrane elements during filtration of a feed liquid to remove suspended solids. The cleaning may be effected by continuous aeration or by application of air as intermittent pressurized pulses. The device preferably has two headers, at least one of which is a permeate collection header having receptacles for a plurality of membrane elements, each of which is a potted hollow fiber membrane bundle. The potted hollow fiber membrane bundles are distinct entities which may be inserted into the receptacles, preferably in rows of circular slots, on the permeate collection header(s), and may be easily removed for maintenance, such as for replacement of the hollow fiber membrane elements.Type: ApplicationFiled: March 5, 2004Publication date: September 30, 2004Applicant: HydranauticsInventors: Pravin Murkute, Christopher G. Hermanson, Craig R. Bartels, Mark Wilf, Graeme K. Pearce, Dirk M. deWinter, Marco A. Schilling
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Publication number: 20040065617Abstract: Methods of treating a high salinity liquid, such as seawater, containing boron are provided, including adjusting the pH of the liquid to about 8 to about 9.5, optionally adding a scale inhibitor to the liquid, passing the liquid through a reverse osmosis device, and recovering a permeate having a boron concentration less than about 2 ppm. One embodiment includes removing colloidal matter from the liquid using a membrane filtration system, such as ultrafiltration or microfiltration, prior to passing the liquid through the reverse osmosis device, and preferably prior to adjusting the pH of the liquid.Type: ApplicationFiled: June 12, 2003Publication date: April 8, 2004Applicants: HYDRANAUTICS, NITTO DENKO CORPORATION.Inventors: Mark Wilf, Craig R. Bartels, Masahiko Hirose
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Publication number: 20030230531Abstract: A method of treating a high salinity liquid, such as seawater, containing boron is provided. The method includes adjusting the pH of the liquid to about 8.5 to about 9.5, optionally adding a scale inhibitor to the liquid, passing the liquid through a reverse osmosis device, and recovering a permeate having a boron concentration less than about 1 ppm.Type: ApplicationFiled: July 3, 2002Publication date: December 18, 2003Applicant: Hydranautics and Nitto Denko CorporationInventors: Mark Wilf, Craig R. Bartels, Masahiko Hirose
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Publication number: 20030066805Abstract: In the treatment, a reverse osmosis membrane element having a polyamide skin layer is loaded in a pressure vessel in a membrane separator and contacted with a bromide-containing aqueous solution of free chlorine. The thus treated reverse osmosis membrane element retains for a long time its effect of reducing solute concentration in a solution treated with the reverse osmosis membrane and rejects efficiently non-electrolytic organic materials or substances such as boron that will not be dissociated in a neutral region. A reverse osmosis membrane module having the thus treated reverse osmosis membrane element is provided as well.Type: ApplicationFiled: September 18, 2002Publication date: April 10, 2003Inventors: Masaaki Andou, Terutaka Watanabe, Masahiko Hirose, Hisao Hachisuka, Mark Wilf, Craig Bartels, Keith Andes
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Publication number: 20020108900Abstract: A water treatment apparatus according to the present invention includes a plurality of composite reverse osmosis membrane modules arranged in multi-stages, each of the modules including a porous support and a polyamide skin layer formed on the porous support. In this apparatus, the module at the final stage is supplied with some of permeated water obtained from at least one module preceding the module at the final-stage, and a rest of the permeated water is discharged from or recovered in the apparatus along with permeated water obtained from the final-stage module.Type: ApplicationFiled: February 13, 2001Publication date: August 15, 2002Inventors: Masahiko Hirose, Atsushi Hiro, Mark Wilf