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| Number | Title | Issue Date |
| 7527587 | Centrifugal separator and method for separating heavy and light matter in a substance A centrifugal separator includes devices for light matter extraction and for heavy matter extraction. Each embodiment provides for a plurality, e.g., two or more stacked or layered chambers, and connected to a central compartment of the chambers is a rotating drive ... | 05/05/2009 |
| 7371322 | Filtration system and dynamic fluid separation method A filtration system is provided with filter media operable to remove solids, particulate and colloidal matter from a process fluid. The filtration system may include one or more porous membranes which are anchored or secured on their periphery with a large open work... | 05/13/2008 |
| 7335312 | Centrifuge with combinations of multiple features A centrifuge with combinations of multiple features is disclosed. In one aspect, a centrifuge for removing more dense material from a fluid medium includes a fluid separation wall placed within a sleeve. The fluid separation wall rotates around the axis of rotation.... | 02/26/2008 |
| 7326169 | Full-jacket helix centrifuge with a weir A full-jacket helix-type centrifuge including a drum and at least one weir having a port. A throttle disk is assigned to the port. At least one nozzle rotates with the drum and is assigned to an outlet for discharging clarified liquid from the drum. ... | 02/05/2008 |
| 7320750 | Centrifuge with controlled discharge of dense material A centrifuge with controlled discharge of dense materials disclosed. A centrifuge includes a fluid separation wall placed within a sleeve to form a containment zone therebetween. The fluid separation wall aligns and rotates parallel to an axis of rotation. A recepta... | 01/22/2008 |
| 7294274 | Filtration system with enhanced cleaning and dynamic fluid separation A filtration system is provided with filter media operable to remove solids, particulate and colloidal matter from a process fluid. Acoustic, vibration and sonic energy may be used to clean associated filter media to allow substantially continuous filtration of proc... | 11/13/2007 |
| 7282147 | Cleaning hollow core membrane fibers using vibration A filtration system is provided with hollow membrane filter elements operable to remove solids, particulate and colloidal matter from a process fluid. Acoustic, vibration and ultrasonic energy may be used to clean exterior portions of the hollow membrane filter elem... | 10/16/2007 |
| 7241392 | Rotary separator and method A separator and method according to which substances having relatively high densities are separated from a pressurized flow stream. ... | 07/10/2007 |
| 7204795 | Deviation ring for a self-distributing centrifuge The invention relates to a deviation ring for paste comprising an annular rebound wall (2) for a self-distributing centrifuge (1). The invention also relates to a corresponding self-distributing centrifuge (1). In the deviation ring, the angle o... | 04/17/2007 |
| 7195607 | Programmable, fluid pressure actuated blood processing systems and methods Programmable, fluid pressure actuated blood processing systems and methods are used in association a blood separation device. The systems and methods employ a cassette, which contains several preformed, pneumatically actuated pump stations, several preformed fluid f... | 03/27/2007 |
| 7153255 | Screw centrifuge for the wet mechanical separation of solids A screw centrifuge for the wet-mechanical separation of a mixture of solids in a carrier liquid to produce sinks and floats, including a rotor which rotates about a horizontal axis, the rotor having a cylindrical wall and two conical walls, and a conveyor screw whic... | 12/26/2006 |
| 7144360 | Centrifugal separator with a separate strip insert mounted in the bowl A centrifuge concentrator bowl includes a plurality of fluidized recesses at axially spaced positions along the peripheral wall. Each recess is defined by two side walls which has water injection holes for fluidizing materials collecting in the recess. Some of the r... | 12/05/2006 |
| 7134991 | Annular centrifugal extractor with embedded stirring rotor An annular centrifugal extractor with an immersed agitation rotor. The liquid-liquid centrifugal extractor including an emulsion chamber and a settling chamber, aligned because of the addition of a section of axis to the rotor, which allows flow and operation to be ... | 11/14/2006 |
| 7118521 | Centrifugal separator with conical pump inlet A centrifugal separator has a centrifugal rotor that is rotatable about a vertical axis and has both a rotor body for separation of two liquids, having different densities, and a pumping member that is designed to pump via the outside of a conical body a mixture of ... | 10/10/2006 |
| 7041076 | Blood separation systems and methods using a multiple function pump station to perform different on-line processing tasks A multiple function pump station performs different on-line processing tasks. The pump station can be operated in one mode to draw blood from a donor can, in another mode, be operated to return blood to the donor. The pump station used to draw blood from a donor can... | 05/09/2006 |
| 6997859 | Centrifugal separator with fluid injection openings formed in a separate strip insert A centrifuge concentrator bowl includes a plurality of fluidized recesses at axially spaced positions along the peripheral wall. Each recess is defined by two side walls converging toward a base which has water injection holes for fluidizing materials collecting in ... | 02/14/2006 |
| 6976947 | Centrifugal extractor of non-contact journaled construction A centrifugal extractor of non-contact journaled construction is provided in which, even under the environments of corrosive gase and mist-like liquid such as nitric acid mist generated in the reprocessing of a spent nuclear fuel, no problem in corrosion or deterior... | 12/20/2005 |
| 6971525 | Centrifuge with combinations of multiple features A centrifuge with combinations of multiple features is disclosed. In one aspect, a centrifuge for removing more dense material from a fluid medium includes a fluid separation wall placed within a sleeve. The fluid separation wall rotates around the axis of rotation.... | 12/06/2005 |
| 6962560 | Continuous centrifugal separation of slurry using balls contained in a recess of a bowl A centrifuge bowl for separating heavier particles from lighter particles and water comprises a first conical bowl wall leading to a pair of annular recesses at actually spaced positions. Each recess is generally V-shaped with an upper side wall, a lower side wall a... | 11/08/2005 |
| 6949079 | Programmable, fluid pressure actuated blood processing systems and methods Programmable, fluid pressure actuated blood processing systems and methods are used in association a blood separation device. The systems and methods employ a cassette, which contains several preformed, pneumatically actuated pump stations, several preformed fluid f... | 09/27/2005 |
| 6932913 | Method for vibration in a centrifuge A system and method for vibration in a centrifuge is disclosed. A centrifuge for removing more dense material from a fluid medium includes a fluid separation wall placed within a non-rotating sleeve. The fluid separation wall rotates around the axis of rotation and ... | 08/23/2005 |
| 6814862 | Method and apparatus for processing intra or postoperative blood loss for autotransfusion A method and an apparatus for continuous processing of intra- or postoperative blood loss for autotransfusion. According to the present invention, certain cells of the cell suspension to be processed, mainly the red blood cells, are concentrated by centrifuging in a... | 11/09/2004 |
| 6613009 | Extracorporeal blood processing methods and apparatus An extracorporeal blood processing system is disclosed which includes a variety of novel components and which may be operated in accordance with a variety of novel methodologies. For instance, the system includes a graphical operator interface which direc... | 09/02/2003 |
| 6544162 | Semi-continuous, small volume centrifugal blood separator and method of using therefor A centrifugal blood separator for separating whole blood into at least two blood fractions such as a plasma fraction and a blood cell fraction is disclosed. The blood separator has a centrifuge vessel with a separation chamber having at least two sections... | 04/08/2003 |
| 6234989 | Extracorporeal blood processing methods and apparatus An extracorporeal blood processing system is disclosed which includes a variety of novel components and which may be operated in accordance with a variety of novel methodologies. For instance, the system includes a graphical operator interface which direc... | 05/22/2001 |
| 5899844 | Method of controlling the density of the solids separated from a feed slurry in a separator A method and apparatus for controlling the density of the solids separated from a feed slurry by selectively recirculating the separated liquid component of the feed slurry to change the feed slurry's density when an unwanted density of the separated soli... | 05/04/1999 |
| 5865785 | Systems and methods for on line finishing of cellular blood products like platelets harvested for therapeutic purposes Blood processing systems and methods establish on line communication between a container and a source of blood containing leukocytes and platelets, such as a human donor. The systems and methods create a centrifugal field between the source of blood and t... | 02/02/1999 |
| 5795317 | Extracorporeal blood processing methods and apparatus An extracorporeal blood processing system is disclosed which includes a variety of novel components and which may be operated in accordance with a variety of novel methodologies. For instance, the system includes a graphical operator interface which direc... | 08/18/1998 |
| 5738784 | Device for separating a blood component from blood or plasma A method and a device for separating a component, such as fibrin monomer from blood, by centrifugation, involve feeding of blood admixed an anticoagulant to a first annular chamber in a device, where the annular chamber is defined by a cylindrical outer w... | 04/14/1998 |
| 5607579 | Apheresis apparatus for separating an intermediate density component from whole blood An apheresis apparatus for increasing the purity and yield of platelets separated from donated whole blood by centrifugation incorporates a centrifuge for separating whole blood into lower, intermediate, and higher density components. The centrifuge has i... | 03/04/1997 |
| 5601523 | Method of separating intermixed materials of different specific gravity with substantially intermixed discharge of fines A centrifuge bowl is used for separating particulate materials of different specific gravity and has a first generally frusto-conical portion of the peripheral wall of the bowl over which the materials are caused to flow, and two axially spaced annular re... | 02/11/1997 |
| 5487720 | Particle concentrator Upper and lower bowl members are mounted on a common linear cylindrical member and a relief valve provides controlled gas pressure within a centrifuge housing in a low speed decanting centrifuge for separating relatively large particulate material (e.g. y... | 01/30/1996 |
| 5484282 | Centrifuge separator for separating a mixture of waste solid and waste liquid A separator including a full-casing centrifuge and detachably mounted settler tank for solids which run off under action of gravity after centrifuge phase. An inlet for mixture to be separated is located in top of settler tank. A pump with suction tube wh... | 01/16/1996 |
| 5368542 | Apparatus and method for separating microscopic units in a substantially continuous density gradient solution An apparatus and method for the separation of a predetermined type of microscopic unit (e.g., islets of Langerhans) from a given medium (e.g., pancreatic digest) by centrifuging in a substantially continuous density gradient. In one embodiment, a substant... | 11/29/1994 |
| 5316540 | Apparatus and method for separating microscopic units in a substantially continuous density gradient solution An apparatus and method for the separation of a predetermined type of microscopic unit (e.g., islets of Langerhans) from a given medium (e.g., pancreatic digest) by centrifuging in a substantially continuous density gradient. In one embodiment, a substant... | 05/31/1994 |
| 5300013 | Double centrifuge for highly viscous material A method of processing a highly viscous material comprises the steps of spinning the material in a homogenizer to reduce it to a creamy fluent consistency, flowing the creamy material wholly by gravity down into an upper centrifuge stage, centrifuging the... | 04/05/1994 |
| 5300014 | Underflow control for nozzle centrifuges In a centrifuge for the separation of solids from liquid in which concentrated solids are discharged from radial nozzles at the periphery, there is provided an concentrated solids underflow discharge control apparatus which senses an increased concentrati... | 04/05/1994 |
| 5254075 | Internal circulation type centrifugal extractor A centrifugal extractor for making liquid-liquid extraction by bringing an organic phase and an aqueous phase into mutual contact and utilizing centrifugal force. A rotor rotating at a high speed is disposed inside a cylindrical casing having inlets for b... | 10/19/1993 |
| 5199938 | Centrifuge drum for concentrating suspended solids A centrifuge drum for concentrating suspended solids, which are conveyed through channels out of an outer solids space in the drum and into a radially inner peeling chamber, whence they are diverted by a peeler and by an associated concentrate line. A sep... | 04/06/1993 |
| 5141486 | Washing cells Red blood cells being salvaged are centrifuged into a liquid layer, mixed with a wash solution, and thereafter separated therefrom.... | 08/25/1992 |
