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| Number | Title | Issue Date |
| 7585269 | Centrifugal concentrator with variable diameter lip A centrifugal separator of the type having migration, retention and lip zones of the interior surface of the rotating bowl has a variable diameter lip to increase the amount of target material retained in the retention zone. The lip zone's variable diameter is provi... | 09/08/2009 |
| 7354220 | Utility cover system A utility cover system and method of covering and sealing an access cover for a utility entrance within a road surface. The utility cover system includes an outer frame having an opening defined by an inner edge, and a wedge cover of resilient material having an out... | 04/08/2008 |
| 7311653 | Centrifugal separator having a structure for facilitating opening and closing a door An air flow valve capable of being opened and closed is provided between the interior of the rotor chamber sealed with the door and the exterior thereof, and formed so that, when the door is closed, or when the door is opened, the air flow valve is temporarily opene... | 12/25/2007 |
| 7311849 | Control device for the separate collection of blood components in output from a blood centrifugation cell The invention provides a control device for the separate collection of blood components in output from a blood centrifugation cell. The control device comprises: a support which comprises a recess for containing a duct; a visible-light emitter with a corresponding r... | 12/25/2007 |
| 7211191 | Blood component separation method and apparatus An apparatus and method for collecting whole blood and then separating it into components for subsequent use or storage. A self-contained bag set is used to collect the sample, which may then be placed into a device adapted to fit into a centrifuge for separation of... | 05/01/2007 |
| 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 |
| 7115205 | Method of simultaneous blood collection and separation using a continuous flow centrifuge having a separation channel A system for automatically collecting and separating whole blood into its components is described. The system includes a console, which contains all motors, pumps, sensors, valves and control circuitry, and a unique disposable set that includes a cassette supporting... | 10/03/2006 |
| 7081082 | Method for the separation of blood plasma particles from a blood plasma suspension Method for separating blood plasma particles from a blood plasma suspension in a self-discharging centrifuge having two or more discharge slits and axially stacked baffle plates, in which the blood plasma particles are separated from the liquid phase by centrifuging... | 07/25/2006 |
| 7060018 | Centrifuge apparatus for processing blood A centrifuge apparatus for processing blood comprising a bottom spring-loaded support plate; a top support plate; an axial inlet/outlet for blood to be processed and processed components of the blood, the axial inlet/outlet being attached to the top support plate by... | 06/13/2006 |
| 7056273 | Solid bowl screw centrifuge comprising a peeling disk, and method for the operation thereof A solid bowl screw centrifuge includes a centrifuging chamber and a rotatable drum having a horizontal axis of rotation. The rotatable drum surrounds the centrifuging chamber. Also included is a rotatable screw arranged in the rotatable drum, at least one solids dis... | 06/06/2006 |
| 7052451 | Conical piston solids discharge centrifugal separator A centrifugal separator includes a cylindrical bowl having a conical lower end with an opening through which feed liquid is injected during a feed mode of operation. The feed liquid is separated into centrate and solids, which accumulate along the inner surface of t... | 05/30/2006 |
| 7001322 | Multiple processing chamber set and use thereof A multiple sample processing apparatus for a continuous flow centrifuge, including a plurality of axially aligned processing chambers and expressor chambers, each chamber comprising an axial opening, in a fixed arrangement, and a plurality of central hubs disposed i... | 02/21/2006 |
| 6939286 | Centrifuge for phase separation An imperforate bowl centrifuge for phase separation employing a rotatable outer cylinder having an interior wall with a plurality of indentations each with an orifice, and an outer wall with heavy phase waste routing channels leading from the orifices to a waste con... | 09/06/2005 |
| 6910998 | Centrifuge comprising a blood bag system with an upper and lower outlet The invention relates to a centrifuge provided with a blood bag system having an upper and lower outlet for separation of blood constituents, containing a rotor which can be driven in a rotative manner about a hub, wherein at least one conventional whole blood bag e... | 06/28/2005 |
| 6709575 | Extended life combination filter A filtering system (10) is provided for filtering working fluid from a machine (12) and includes a cleanable filter (16) and a centrifuge (82) where filter capacity is too low for a permanent filter yet flow rate is too high for a centrif... | 03/23/2004 |
| 6702729 | Centrifugal cleaner for industrial lubricants The present invention provides for an improved method and apparatus for cleaning industrial lubricants used in industrial processes. The method comprises providing a centrifugal separator apparatus connected as a bypass or in-line filter in the lubricatin... | 03/09/2004 |
| 6689042 | Centrifuge and container system for treatment of blood and blood components A centrifuge with an associated container system in the form of cassettes for separation and treatment of blood or blood components has been developed. The centrifuge includes a rotor having a central compartment in the form of a tubular shaft cavity exte... | 02/10/2004 |
| 6648809 | Centrifuge having a gaseous medium as a control fluid and method of operating The present invention relates to a centrifuge including a centrifugal drum, a supply pipe, a distributor, a displacement sleeve valve having an opening chamber and a closing chamber, a supply duct, a control gas feed in the distributor and a closing sprin... | 11/18/2003 |
| 6605223 | Blood component preparation (BCP) device and method of use thereof An automated blood separation method and apparatus is described that allows for the separation of multiple units of blood simultaneously. The method and apparatus reliably and quickly separates blood into its components. An auto-balancing feature within t... | 08/12/2003 |
| 6599229 | Air-assisted drain with pressure cutoff valve A centrifuge assembly for processing a flow of oil so as to separate out particulate matter includes a centrifuge, a housing base, and a flow-control piston which is assembled into the housing base. The centrifuge includes a housing which defines a hollow... | 07/29/2003 |
| 6592507 | Platelet collection system A single use system and kit for producing blood platelet concentrates is described herein. In a preferred form, the kit includes a bag set in which compartments containing blood components are adjacent to to separate compartments which can be inflated to ... | 07/15/2003 |
| 6549817 | Method for regulating centrifuges for dehydrating wastewater sludge, using fuzzy logic A process for regulating a centrifuge used for solid/liquid separation of sewage sludge commences by measuring the input variables of the operating point ot the centrifuge, the variables including 1) suspended matter content of the centrate; 2) the flow r... | 04/15/2003 |
| 6390964 | Device for cooling a centrifugal device and method for centrifuge operation The invention relates to a centrifuge and to a method for operating the centrifuge. The centrifuge comprises a centrifugal drum, an inflow tube leading into the centrifugal drum for feeding a centrifugal material into the centrifugal drum, and a valve mec... | 05/21/2002 |
| 6348031 | Centrifuge and container system for treatment of blood and blood components A centrifuge with an associated container system in the form of cassettes for separation and/or treatment of blood or blood components. The centrifuge comprises a rotor having a central compartment in the form of a tubular shaft cavity extending concentri... | 02/19/2002 |
| 6309606 | Device and method for the separation of human or animal cells of different densities from cellular dispersions which contain them A device and a method are provided to efficaciously and rapidly separate human or animal cells of different densities from the dispersions which contain them, the device comprising an elongated chamber containing at least a first channel, one end of which... | 10/30/2001 |
| 6193643 | Decantation centrifuge with peripheral washing nozzles The invention refers to a decanter centrifuge particularly for sludge centrifugation, incorporating a drum, a rotor arranged therein and equipped with a helical screw for feed of sludge, a sludge outlet and a reject outlet and a flush washing device for w... | 02/27/2001 |
| 6126836 | Centrifugal flotation cell with rotating feed A superb centrifugal flotation cell with a rotating feed, is provided for use in an effective separation process to rapidly recover greater quantities of valuable fine particles. In the process, a slurry of fine particles is injected with air bubbles and ... | 10/03/2000 |
| 6095965 | Centrifugal separator for dry components A centrifugal separator for separating two components of a dry mixture has an annular surface inclined upwardly outwards and having a vertical axis of symmetry and a drive mechanism for rotating the surface around the vertical axis of symmetry. A centrall... | 08/01/2000 |
| 6074335 | Rotor with elastic diaphragm defining a liquid separating chamber of varying volume A rotor for collecting and centrifuging biological fluids in a range of volumes. The rotor includes an elastic impermeable diaphragm which defines at least a portion of a variable-volume processing chamber, where the fluid is centrifuged. The rotor includ... | 06/13/2000 |
| 6039711 | System for liquid separation A rotor for collecting and centrifuging biological fluids in a range of volumes. The rotor includes an elastic impermeable diaphragm which defines at least a portion of a variable-volume processing chamber, where the fluid is centrifuged. The rotor includ... | 03/21/2000 |
| 6019742 | Method for liquid separation A rotor for collecting and centrifuging biological fluids in a range of volumes. The rotor includes an elastic impermeable diaphragm which defines at least a portion of a variable-volume processing chamber, where the fluid is centrifuged. The rotor includ... | 02/01/2000 |
| 5928125 | Centrifugal flotation cell with rotating drum A user-friendly centrifugal flotation cell with a rotating drum, is provided for use in an efficient separation process to rapidly recover greater quantities of valuable fine particles. In the process, a slurry of fine particles is injected with air bubbl... | 07/27/1999 |
| 5916082 | Centrifugal separator with invertable bladder This separator is a centrifugal device for separating solids from contaminated effluent such as oil or water base coolants and other liquids which are used in a variety of grinding and machining applications in the glass, ceramic and metal-forming industr... | 06/29/1999 |
| 5914034 | Centrifugal flotation cell with rotating feed A superb centrifugal flotation cell with a rotating feed, is provided for use in an effective separation process to rapidly recover greater quantities of valuable fine particles. In the process, a slurry of fine particles is injected with air bubbles and ... | 06/22/1999 |
| 5733253 | Fluid separation system A system for separating a fluid having heavier and lighter components. The system includes a rotor having a rigid mounting member and an elastic diaphragm attached to the mounting member, the diaphragm defining a chamber. The system also includes a chuck ... | 03/31/1998 |
| 5618409 | Centrifuge for the continuous separation of substances of different densities The centrifuge (1) described has at least one device (11,12) designed to control the operation of the centrifuge, the devices being mounted to rotate with the rotating part of the centrifuge and to be operated by a mechanical actuator (13) also rotating w... | 04/08/1997 |
| 5547573 | Device for removing cake or residual layer in a centrifuge The device comprises a first wide-mesh cloth or screen which bears against the calender of a basket, at least one tight supple tube connected to a source of gas under pressure which is against the first cloth or screen, a second cloth or screen identical ... | 08/20/1996 |
| 5484521 | Rotary drum fluid/liquid separator with energy recovery means A rotating drum divided in axial spaced compartments with one of the compartments includes paddles and coalescing material to separate the fluid from the liquid and the other compartment includes stationary oil pumping and water pumping means and an energ... | 01/16/1996 |
| 5328440 | Centrifuge bucket and method of use A bucket for use in a swinging bucket centrifuge. A core holder is located between two end chambers, with the annular space between the core holder and the bucket sidewall maintaining the chambers in fluid communication. Windows at each end of the bucket ... | 07/12/1994 |
| 5304306 | Reverse filter centrifuge A reverse filter centrifugal machine has a self-contained, rotatably mounted basket (7) in a housing (1), provided with radial filtrate passages (11) and capable of receiving an overpressure or a negative pressure, as well as a lid (19) that closes the fr... | 04/19/1994 |
