Patents by Inventor Huw Alexander Lazaredes
Huw Alexander Lazaredes 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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Publication number: 20200061543Abstract: An aeration device configured to be fitted to a membrane filtration module having membranes mounted therein. The aeration device comprises a sleeve configured to at least partially surround the membrane filtration module. The sleeve has one end adapted to engage with the membrane filtration module and another end adapted to engage with a filtrate collection conduit or manifold.Type: ApplicationFiled: May 16, 2019Publication date: February 27, 2020Applicant: Evoqua Water Technologies LLCInventors: Tomasz Swiatek, Zhiyi Cao, Bruce Gregory Biltoft, Lisa Kathleen Leckie, Huw Alexander Lazaredes
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Patent number: 10441920Abstract: In a first membrane filtration module comprises a membrane module comprising a plurality of permeable hollow membranes; a fluid distribution device adapted to removably surround at least a portion of the membranes of the membrane module, the fluid distribution device comprising a plurality of through-hole openings for distributing a fluid, and the fluid distribution device adapted to distribute a flow of fluid along a surface of the permeable hollow membranes. In a second membrane filtration device comprises a membrane module comprising a plurality of permeable hollow membranes, each of the permeable hollow membranes having a surface; and a gas distribution device: adapted to distribute gas bubbles to the surface of the permeable hollow membrane, adapted to removably surround at least a portion of the plurality of permeable hollow membranes, and defining a plurality of through openings for distributing the gas bubbles to the membranes.Type: GrantFiled: March 2, 2018Date of Patent: October 15, 2019Assignee: Evoqua Water Technologies LLCInventors: Bruce Gregory Biltoft, Zhiyi Cao, Jen Thai Law, Huw Alexander Lazaredes
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Patent number: 10322375Abstract: An aeration device configured to be fitted to a membrane filtration module having membranes mounted therein. The aeration device comprises a sleeve configured to at least partially surround the membrane filtration module. The sleeve has one end adapted to engage with the membrane filtration module and another end adapted to engage with a filtrate collection conduit or manifold.Type: GrantFiled: May 16, 2016Date of Patent: June 18, 2019Assignee: Evoqua Water Technologies LLCInventors: Tomasz Swiatek, Zhiyi Cao, Bruce Gregory Biltoft, Lisa Kathleen Leckie, Huw Alexander Lazaredes
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Publication number: 20180200674Abstract: An aeration device configured to be fitted to a membrane filtration module having membranes mounted therein. The aeration device comprises a sleeve configured to at least partially surround the membrane filtration module. The sleeve has one end adapted to engage with the membrane filtration module and another end adapted to engage with a filtrate collection conduit or manifold.Type: ApplicationFiled: May 16, 2016Publication date: July 19, 2018Inventors: Tomasz Swiatek, Zhiyi Cao, Bruce Gregory Biltoft, Lisa Kathleen Leckie, Huw Alexander Lazaredes
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Publication number: 20180185790Abstract: In a first membrane filtration module comprises a membrane module comprising a plurality of permeable hollow membranes; a fluid distribution device adapted to removably surround at least a portion of the membranes of the membrane module, the fluid distribution device comprising a plurality of through-hole openings for distributing a fluid, and the fluid distribution device adapted to distribute a flow of fluid along a surface of the permeable hollow membranes. In a second membrane filtration device comprises a membrane module comprising a plurality of permeable hollow membranes, each of the permeable hollow membranes having a surface; and a gas distribution device: adapted to distribute gas bubbles to the surface of the permeable hollow membrane, adapted to removably surround at least a portion of the plurality of permeable hollow membranes, and defining a plurality of through openings for distributing the gas bubbles to the membranes.Type: ApplicationFiled: March 2, 2018Publication date: July 5, 2018Applicant: Evoqua Water Technologies LLCInventors: Bruce Gregory Biltoft, Zhiyi Cao, Jen Thai Law, Huw Alexander Lazaredes
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Patent number: 9914097Abstract: In a first membrane filtration module comprises a membrane module comprising a plurality of permeable hollow membranes; a fluid distribution device adapted to removably surround at least a portion of the membranes of the membrane module, the fluid distribution device comprising a plurality of through-hole openings for distributing a fluid, and the fluid distribution device adapted to distribute a flow of fluid along a surface of the permeable hollow membranes. In a second membrane filtration device comprises a membrane module comprising a plurality of permeable hollow membranes, each of the permeable hollow membranes having a surface; and a gas distribution device: adapted to distribute gas bubbles to the surface of the permeable hollow membrane, adapted to removably surround at least a portion of the plurality of permeable hollow membranes, and defining a plurality of through openings for distributing the gas bubbles to the membranes.Type: GrantFiled: March 28, 2011Date of Patent: March 13, 2018Assignee: Evoqua Water Technologies LLCInventors: Bruce Gregory Biltoft, Zhiyi Cao, Jen Thai Law, Huw Alexander Lazaredes
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Patent number: 9023206Abstract: A module arrangement (5) according to an embodiment of the invention consists of a plurality of membrane modules (6) arranged in a two dimensional array (7) and extending between upper and lower block-type manifolds (8) and (9), respectively. The array of modules is further divided into sub-groups of modules (10) separated from each other by space (11) extending transversely across the membrane array (7). An integrated support frame (12) is positioned in the space (11) between the sub-groups (10) and is fixed to the upper and lower manifold blocks (8) and (9) to form an integrated support structure within the module array (7).Type: GrantFiled: January 9, 2013Date of Patent: May 5, 2015Assignee: Evoqua Water Technologies LLCInventors: Peter Rogers, Stephen Bowmer, Bruce Gregory Biltoft, James W. Polson, Robert James McMahon, Huw Alexander Lazaredes, Michael Collignon
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Patent number: 8382981Abstract: A module arrangement (5) according to an embodiment of the invention consists of a plurality of membrane modules (6) arranged in a two dimensional array (7) and extending between upper and lower block-type manifolds (8) and (9), respectively. The array of modules is further divided into sub-groups of modules (10) separated from each other by space (11) extending transversely across the membrane array (7). An integrated support frame (12) is positioned in the space (11) between the sub-groups (10) and is fixed to the upper and lower manifold blocks (8) and (9) to form an integrated support structure within the module array (7).Type: GrantFiled: July 29, 2009Date of Patent: February 26, 2013Assignee: Siemens Industry, Inc.Inventors: Peter Rogers, Stephen Bowmer, Bruce Gregory Biltoft, James W. Polson, Robert James McMahon, Huw Alexander Lazaredes, Michael Collignon
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Publication number: 20130037467Abstract: In a first membrane filtration module comprises a membrane module comprising a plurality of permeable hollow membranes; a fluid distribution device adapted to removably surround at least a portion of the membranes of the membrane module, the fluid distribution device comprising a plurality of through-hole openings for distributing a fluid, and the fluid distribution device adapted to distribute a flow of fluid along a surface of the permeable hollow membranes. In a second membrane filtration device comprises a membrane module comprising a plurality of permeable hollow membranes, each of the permeable hollow membranes having a surface; and a gas distribution device: adapted to distribute gas bubbles to the surface of the permeable hollow membrane, adapted to removably surround at least a portion of the plurality of permeable hollow membranes, and defining a plurality of through openings for distributing the gas bubbles to the membranes.Type: ApplicationFiled: March 28, 2011Publication date: February 14, 2013Inventors: Bruce Gregory Biltoft, Zhiyi Cao, Jen Thai Law, Huw Alexander Lazaredes
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Patent number: 8268176Abstract: A method of backwashing a membrane filtration module (4), said module (4) including one or more membranes (5) located in a feed-containing vessel (3), the membranes (5) having a permeable wall which is subjected to a filtration operation wherein feed containing contaminant matter is applied to one side of the membrane wall and filtrate is withdrawn from the other side of the membrane wall, the method including: removing liquid from the feed-containing vessel (3) until the level of liquid in the feed-containing vessel (3) falls to a first level (L2) below an upper level of the membranes; suspending the filtration operation; performing a liquid backwash of the membrane wall until liquid level within the feed-containing vessel (3) rises to a second predetermined level (L1) above said first level; aerating the membrane surface with gas bubbles to dislodge fouling materials therefrom; performing a sweep or drain down of the feed-containing vessel (3) to remove the liquid containing the dislodged contaminant matterType: GrantFiled: August 27, 2004Date of Patent: September 18, 2012Assignee: Siemens Industry, Inc.Inventors: Warren Thomas Johnson, Thomas William Beck, Fufang Zha, Huw Alexander Lazaredes, Zhiyi Cao
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Publication number: 20120187044Abstract: A method and apparatus for backwashing a membrane filtration system wherein permeate remaining present in the filtration system wherein permeate remaining present in the filtration system when the filtration process is stopped or suspended is used to provide liquid for backwashing the membrane pores during a backwashing process.Type: ApplicationFiled: March 30, 2012Publication date: July 26, 2012Applicant: SIEMENS INDUSTRY, INC.Inventors: Fufang Zha, Huw Alexander Lazaredes, Zhiyi Cao
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Publication number: 20110127209Abstract: A module arrangement (5) according to an embodiment of the invention consists of a plurality of membrane modules (6) arranged in a two dimensional array (7) and extending between upper and lower block-type manifolds (8) and (9), respectively. The array of modules is further divided into sub-groups of modules (10) separated from each other by space (11) extending transversely across the membrane array (7). An integrated support frame (12) is positioned in the space (11) between the sub-groups (10) and is fixed to the upper and lower manifold blocks (8) and (9) to form an integrated support structure within the module array (7).Type: ApplicationFiled: July 29, 2009Publication date: June 2, 2011Applicant: Siemens Water Technologies Corp.Inventors: Peter Rogers, Stephen Bowmer, Bruce Gregory Biltoft, James W. Polson, Robert James McMahon, Huw Alexander Lazaredes, Michael Collingnon
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Publication number: 20090255873Abstract: A method of backwashing a membrane filtration system comprising at least one permeable hollow membrane, the method comprising the step of applying a low-pressure gas to the permeate remaining present in the system when the filtration process is stopped or suspended to provide liquid for backwashing the pores of the membrane during a backwashing process.Type: ApplicationFiled: August 30, 2007Publication date: October 15, 2009Inventors: Bruce Gregory Biltoft, Zhiyi Cao, Huw Alexander Lazaredes, Fufang Zha, Lyvonne Ly
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Patent number: 7361274Abstract: A method and filtration module (5) for providing gas bubbles within an array of vertically disposed porous hollow membranes (6) to clean the outer surfaces of said membranes (6) when the array is immersed in a liquid by feeding (10) the gas bubbles into the array transversely of the vertical axis of the array. In one preferred form, the gas bubbles are retained within the array using a sleeve (11) surrounding the array (6) at least along part of its length.Type: GrantFiled: February 16, 2005Date of Patent: April 22, 2008Assignee: Siemens Water Technologies Corp.Inventor: Huw Alexander Lazaredes
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Patent number: D764018Type: GrantFiled: December 18, 2013Date of Patent: August 16, 2016Assignee: Evoqua Water Technologies LLCInventors: Bruce Gregory Biltoft, Huw Alexander Lazaredes, Robert James McMahon, Tomasz Swiatek, Ying Hao Teo