Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 7332125 | System and method for processing blood A system for filtering and processing blood that is simple to implement and that reduces the need for human intervention. The system may be used to collect red blood cells (RBCs). For such a system, a disposable set may be provided with an inlet port, an RBC contain... | 02/19/2008 |
| 7258785 | Apparatus for separating oil and debris from water run-off A method and apparatus for separating oil and debris from urban water run-off, the apparatus being made up of a chamber which is mounted in a storm drain system and has an inner basin with a tilted wire wedge wire screen filter in the path of flow of the run-off, an... | 08/21/2007 |
| 7229549 | Control and classification of liquids in separating processes An apparatus for the separation of solids and liquids includes a perforated rotary basket arranged for rotation within a fixed outer casing, a washing liquid supply system for providing washing liquid to the interior of the basket and its contents, and a transducer ... | 06/12/2007 |
| 7208048 | Continuous centrifuge A continuous centrifuge (10) has a basket (30) with upper and lower basket portions (43, 44) separated by an intermediate slip portion (45). The lower basket portion (43) has an included angle of 40–50°, to separate “green” ... | 04/24/2007 |
| 7140494 | Centrifugal machine A screen bowl type centrifugal separator which can not only eliminate the problem of the productivity being lowered resulting from the occurrence of clogging with the crystals in the screen part, but also minimize the amount of leakage of the object to be treated in... | 11/28/2006 |
| 7063790 | Filter candle A filter candle for a precoated filter for filtering and/or stabilizing fluids, especially beer, the filter candle comprising a tubular filter body that is formed from a spirally wound wire, with gaps being provided between the wire windings as fluid passages. To im... | 06/20/2006 |
| 7032759 | Pusher centrifuge The invention relates to a pusher centrifuge (1) for the separation of a mixture (2) into a solid cake (3) and into a liquid phase (4). The pusher centrifuge (1) in accordance with the invention includes an outer screen drum (6 | 04/25/2006 |
| 7025211 | Double pusher centrifuge The invention relates to a double pusher centrifuge including a screen drum (3) rotatable about an axis of rotation (2) for separating a mixture (4) into a solid material cake (5) and a liquid phase (6), a mixture distributor (7... | 04/11/2006 |
| 7017756 | Multi-stage pusher centrifuge The invention relates to a multi-stage pusher centrifuge (1) for the separation of a mixture (2) into a solid cake (3) and into a liquid phase (4). The multi-stage pusher centrifuge (1) includes an outer screen drum (6) rota... | 03/28/2006 |
| 7018539 | Treatment of shipboard-generated oily wastewaters A process and apparatus for treating oily wastewater, such as bilge water or ballast water, generated on a ship. The process uses a combination of a centrifugal separation step and a membrane separation step, such as an ultrafiltration step. The membrane separation ... | 03/28/2006 |
| 6521120 | Continuous centrifuges A continuous centrifuge of the type comprising a perforated basket of generally frusto-conical configuration which is adapted to rotate about a rotational axis and along whose inner peripheral wall a liquids/solids mix is caused to travel, with solids bei... | 02/18/2003 |
| 6514421 | Method for separating a liquid-solid slurry An improved screen basket for use with a centrifuge includes two adjoining screen sections. The first screen section is formed from a wear resistant material and is located proximate to the point at which slurry is introduced into the basket. The length o... | 02/04/2003 |
| 6511411 | Compact enhanced yield blood processing systems A chamber for use in a rotating field to separate blood components is described. An inlet port near one end of the chamber introduces blood into the chamber for flow circumferentially about the rotational axis toward the opposite end of the chamber for se... | 01/28/2003 |
| 6495038 | Centrifugal separator with vertically detachable casing The present invention provides a centrifugal separator comprising a top lid, a rotatable basket, a drive unit for the rotatable basket and an outer case, the rotatable basket and the drive unit being mounted on the top lid, the rotatable basket and the ou... | 12/17/2002 |
| 6488849 | Rotating device for continuously filtering a liquid such as a solution containing a precipitate The present invention relates to a rotating device for continuously filtering a liquid such as a solution containing a precipitate. According to this invention, the device comprises a cylindrical, horizontal-axis drum of revolution, rotated by a drive system, ... | 12/03/2002 |
| 6440316 | Methods of improving centrifugal filtration Methods of improving the efficiency of solid-liquid separation during centrifugal filtration have been developed. They consist of increasing the pressure drop across the filter cake using extraneous means such as increasing the gas pressure inside a filte... | 08/27/2002 |
| 6267899 | Centrifugal separation apparatus and method of using the same Centrifugation separations apparatus including centrifugation means having an inlet, a liquids discharge and a solids discharge, a deflector operatively associated with the solids discharge, wherein the solids discharge is adapted to operatively discharge... | 07/31/2001 |
| 6267250 | Centrifuge with partial wear resistant basket An improved screen basket for use with a centrifuge includes two adjoining screen sections. The first screen section is formed from a wear resistant material and is located proximate to the point at which slurry is introduced into the basket. The length o... | 07/31/2001 |
| 6230899 | Sintered centrifuge separation system A classification system utilizing a cone which is rotated at a specified speed is provided. A stream including a solvent is introduced into the classification, and the stream impacts against the cone and flows along the inside face of the cone. The side o... | 05/15/2001 |
| 6228017 | Compact enhanced yield blood processing systems A chamber for use in a rotating field to separate blood components. An inlet port near one end of the chamber introduces blood into the chamber for flow circumferentially about the rotational axis toward the opposite end of the chamber for separation into... | 05/08/2001 |
| 6223756 | Apparatus for degreasing solid parts An apparatus for degreasing solid and/or mass-produced parts, such as small metallic parts comprises a drum with a perforated drum wall rotatable and drivable around a vertical axis. A charge opening is furnished at the top and a discharge opening furnish... | 05/01/2001 |
| 6109452 | Centrifuge with partial wear resistant basket An improved screen basket for use with a centrifuge includes two adjoining screen sections. The first screen section is formed from a wear resistant material and is located proximate to the point at which slurry is introduced into the basket. The length o... | 08/29/2000 |
| 6047835 | Clearing device for a centrifugal separator A clearing device for a centrifugal separator holds a cake on a filtering medium lining at least the perforated part of a rotating basket. The clearing device includes several clearing members which, when arranged at rest, are more or less parallel to the... | 04/11/2000 |
| 6030532 | Solid-liquid separator and filter This centrifugal apparatus comprises a primary frusto-conical filter screen rotating about a vertical axis, which is closed at its smaller diameter end and which is surrounded at its larger diameter upper end by a flat horizontal imperforate ring. A secon... | 02/29/2000 |
| 5976388 | Method and apparatus for autologous blood salvage An improved autologous blood salvage system is provided in which blood is removed from a patient and may be processed in a manner wherein an anticoagulant solution is for cycled for reuse. Further, the system may be employed for contemporaneous blood filt... | 11/02/1999 |
| 5961842 | Systems and methods for collecting mononuclear cells employing control of packed red blood cell hematocrit Blood separation systems and methods employ a rotating chamber. The chamber includes an inlet region where whole blood enters for centrifugal separation into packed red blood cells, a plasma constituent, and an interface carrying mononuclear cells between... | 10/05/1999 |
| 5897774 | Centrifugal separator with angulated vanes In a centrifugal apparatus for separating wetting material carried on particulate matter or chips, such apparatus includes a truncated conical shaped bowl into which the particulate matter or chips are deposited for centrifugal separation. A number of equ... | 04/27/1999 |
| 5891347 | Centrifugal filtration method and apparatus therefor Centrifugal filtration capable of improving recovery of crystal in a baskey. The basket is so arranged that a central axis thereof is inclined with respect to a horizontal direction to obliqely downwardly orientate a bottom wall of the basket. A crystal r... | 04/06/1999 |
| 5855800 | Method for varying the exposure of drainage screen section within a centrifugal separator A centrifugal separator includes a chip bowl for receiving a fluid-particulate mix and delivering the mix onto the screening surface of a cylindrical separator screen disposed around the bowl. A canopy portion of the bowl overlaps the separator screen and... | 01/05/1999 |
| 5788861 | Method and apparatus for varying the exposure of drainage screen section within a centrifugal separator A centrifugal separator includes a chip bowl for receiving a fluid-particulate mix and delivering the mix onto the screening surface of a cylindrical separator screen disposed around the bowl. A canopy portion of the bowl overlaps the separator screen and... | 08/04/1998 |
| 5750039 | Blood processing systems and methods for collecting mono nuclear cells Systems and methods centrifugally separate mono nuclear cells from whole blood in a separation chamber. The systems and methods control the exit hematocrit value of red blood cells separated in the chamber by recirculating a portion of the red blood cells... | 05/12/1998 |
| 5733449 | Microconcentrator device A reusable microconcentrator device may be disassembled, cleaned and reassembled before use. The microconcentrator device of the invention is typically useful in filtering and separating small samples of solutions and suspensions. The microconcentrator de... | 03/31/1998 |
| 5720879 | Horizontal centrifugal separator with angulated vanes In a horizontal centrifugal apparatus for separating wetting material carried on chips, such apparatus includes a conically shaped bowl carrying vanes distributed about its inner face with the midpoint of the length of said vane lying on a radius from the... | 02/24/1998 |
| 5705069 | Centrifugal water treatment device A water treatment device includes a casing having an outlet of treated water, a screen basket having a peripheral wall portion and a closed end portion and being received in the casing, a screen section provided in the peripheral wall portion of the scree... | 01/06/1998 |
| 5667681 | Flight tip extensions for centrifugal separator A vertical or horizontal centrifugal separator comprises a drive mechanism including a drive shaft. A flight assembly is attached to the drive shaft and is rotatably driven by it as is a screen assembly which includes a rotor that also is attached to the ... | 09/16/1997 |
| 5656163 | Chamber for use in a rotating field to separate blood components A chamber for use in a rotating field to separate blood components. An inlet port near one end of the chamber introduces blood into the chamber for flow circumferentially about the rotational axis toward the opposite end of the chamber for separation into... | 08/12/1997 |
| 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 |
| 5573678 | Blood processing systems and methods for collecting mono nuclear cells Systems and methods for separating mono nuclear cells from whole blood rotate a separation chamber about a rotational axis. The systems and methods introduce whole blood into a first region of the chamber during its rotation to separate the whole blood in... | 11/12/1996 |
| 5567321 | Centrifugal filter The centrifugal filter comprises a rotatable travelling basket (5) disposed within a collector chamber (1). A machine body (2) which can be supported on a support (3) carries a bearing arrangement (8) for the hub (14) of the travelling basket (5). In the ... | 10/22/1996 |
| 5558770 | Centrifugal separator having a cone frustum A cone frustum is provided for a centrifugal separator to shield the area of the separator's screen at the top of the flight assembly from the initial impact of the material which is introduced into the separator. The cone frustum is spaced above the flig... | 09/24/1996 |
