Did You Know...
...that the inventor of the electric motor was a blacksmith named Thomas Davenport? Described as "a brilliantly unsuccessful inventor", Davenport invented the first rotary electric motor. In 1836 he headed out -- on foot -- from his Vermont home to file a patent application at the Patent Office in Washington, D.C. By the time he got there, he had squandered away his money and couldn't afford the $30 filing fee so he turned around and went home. When he later mailed in his application with money he'd raised, the Patent office was destroyed in a fire. He did finally get credit for his invention on Feb. 5, 1837.
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| Number | Title | Issue Date |
| 7503889 | Apparatus for the continuous separation of biological fluids into components and method of using same The present invention provides an apparatus for separating components of a fluid having an outer housing containing a core wherein three separate fluid pathways are provided to allow continuous separation of biological fluids. ... | 03/17/2009 |
| 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 |
| 7211037 | Apparatus for the continuous separation of biological fluids into components and method of using same The present invention provides an apparatus for separating components of a fluid having an outer housing containing a core wherein three separate fluid pathways are provided to allow continuous separation of biological fluids. ... | 05/01/2007 |
| 7194869 | Turbine exhaust water recovery system The exhaust gas of a turbine engine can include water vapor. Aspects of the invention relate to various systems for recovering water from the exhaust gas of a gas turbine engine. In one system, a portion of the exhaust gas can be routed to an absorption chiller. In ... | 03/27/2007 |
| 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 |
| 7001321 | Carrier for holding a flexible fluid processing container A fluid processing assembly can be easily inserted into and removed from a rotatable centrifuge channel. The processing assembly comprises a processing container and a carrier. The processing container has flexibility and, in use, occupies the channel to receive flu... | 02/21/2006 |
| 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 |
| 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 |
| 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 |
| 6805805 | System and method for receptacle wall vibration in a centrifuge A system and method for receptacle wall vibration in a centrifuge is disclosed. A centrifuge for removing more dense material from a fluid medium includes a vibratory device associated with the receptacle wall to create a vibratory force. ... | 10/19/2004 |
| 6755969 | Centrifuge A centrifuge with specific wall and opening shapes for receptacles is disclosed. A centrifuge may include a fluid separation wall aligned substantially parallel to an axis of rotation and include an inner surface, a void area, and an outer surface. The inner surface... | 06/29/2004 |
| 6706180 | System 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 ... | 03/16/2004 |
| 6312610 | Density screening outer wall transport method for fluid separation devices A method for segregating and transporting heavy particles thrown by centrifugal force from a flowing, spinning column of liquid or gas, whereby an outer cylinder whose inner walls present or face the center core with horizontal, circular bands of pyramida... | 11/06/2001 |
| 6029569 | Apparatus for food contaminant removal An improved method and apparatus for the removal of solid contaminants which utilizes at least one rotating mesh screen container designed to pass the food therethrough while trapping the solid contaminant. The rotation of the cylindrically-shaped mesh sc... | 02/29/2000 |
| 5914145 | Method for removing contaminants from food A method for the removal of solid contaminants which utilizes two rotating mesh screen containers designed to pass the food therethrough while trapping the solid contaminant. The rotation of the first cylindrically-shaped mesh screen causes the food to pa... | 06/22/1999 |
| 5885239 | Method for collecting red blood cells 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... | 03/23/1999 |
| 5428220 | Aerosol mass spectrometer and method of classifying aerosol particles according to specific mass An aerosol mass spectrometer and method for classifying aerosol particles according to specific mass wherein an outer cylinder (1) and an inner cylinder (14) are concentrically and radially spaced relative to each other to provide an annular operating spa... | 06/27/1995 |
| 5318748 | Centrifuge vessel for automated solid-phase immunoassay having integral coaxial waste chamber A centrifuge vessel (10) for performing automated immunoassays is disclosed. The centrifuge vessel (10) comprises a center tube (11) and an outer waste chamber (15). A biomaterial (18) is held within the center tube (11) and is capable of binding specific... | 06/07/1994 |
| 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 |
| 5277873 | Sample preparation device A sample preparation device for precisely measuring a sample volume, mixing the sample with a reagent and then separating out any resulting precipitant from the sample. In using the device, the sample is nonquantitatively dispensed by the user and is volu... | 01/11/1994 |
| 5244635 | Centrifuge vessel with coaxial waste chamber having cap to prevent waste fluid transfer from the chamber into the vessel A centrifuge vessel for performing immunoassays, affinity chromatography, and like experiments includes a center tube and an outer waste chamber. A biomaterial is held within the center tube and is capable of binding specific analytes in test samples. In ... | 09/14/1993 |
| 5242660 | Sample preparation device A sample preparation device for precisely measuring a sample volume, mixing the sample with a reagent and then separating out any resulting precipitant from the sample. In using the device, the sample is nonquantitatively dispensed by the user and is volu... | 09/07/1993 |
| 5182008 | Filtration assembly A filtration apparatus including a rotatable drum and a filter member defining at least a part of the side wall of the drum. A liquid containing solid particles, such as used wash water from a vehicle washing facility, is introduced into the drum by a sum... | 01/26/1993 |
| 5098845 | Device and procedure for automated solid-phase immunoassay A method for conducting immunoassays in an automated fashion is disclosed. A biological fluid under test is placed in a tube (11) which has a solid support (18) therein to which a specific analyte in the biological fluid will be selectively bound. After t... | 03/24/1992 |
| 5084240 | Centrifuge vessel for automated solid-phase immunoassay A centrifuge vessel (10) for performing automated immunoassays is disclosed. The centrifuge vessel (10) comprises a center tube (11) and an outer waste chamber (15). A biomaterial (18) is held within the center tube (11) and is capable of binding specific... | 01/28/1992 |
| 4990129 | Swinging bucket ultracentrifuge rotor, sample tube and adapter An adapter preferably of ultra high molecular weight polyethylene is provided for use with a conical centrifuge tube in an ultracentrifuge swinging bucket rotor hole and is designed to allow the easy removal of the adapter and tube after centrifugation. A... | 02/05/1991 |
| 4973299 | Separation A liguid separation system includes a first separator unit, a second separator unit and means including a pump for flowing a liquid mixture from a system inlet to the inlet of the first separator unit. A first outlet of the first separator unit is connect... | 11/27/1990 |
| 4961724 | Low speed particle concentrators A low speed decanting centrifuge for separating relatively large particulate material (e.g. yeast) from a feedstock is disclosed. The centrifuge is clamped to a container and the centrifuge housing is pressurized to, in turn, pressurize the container and ... | 10/09/1990 |
| 4854933 | Plasma separator A plasma separator for receiving a blood sample includes a central chamber of inverted conical shape and an outer annular chamber connected to the central chamber by a downwardly inclined passageway. The separator is designed to be rotated at high speed a... | 08/08/1989 |
| 4786480 | Two-part fluid contactor Present invention relates to two-part fluid contactors for application in fluid-fluid contacting processes such as liquid-liquid extraction processes used in nuclear fuel reprocessing. The contactor has a first part and a second part with a plurality of a... | 11/22/1988 |
| 4776964 | Closed hemapheresis system and method A hemapheresis system and method in accordance with the invention comprises a stationary closed housing concentric about a central axis and a feed system that moves blood upwardly from the housing lower end toward an outlet port adjacent a substantially c... | 10/11/1988 |
| 4695270 | Drum for clarifying and separating centrifugates A drum for clarifying and separating centrifugates. It has at least one skimmer for diverting the clarified or separated centrifugates, a stationary inlet pipe extending into an inlet chamber, which rotates along with the drum, through an aperture that is... | 09/22/1987 |
| 4685899 | Solid jacket centrifuge The solid jacket centrifuge is a plural chamber centrifuge (1). A housing (2) is, together with the centrifuge, stationarily supported, noting that a carrier (6) for cylindrical mantle surfaces (7 and 8) is provided within the housing (2). The cylindrical... | 08/11/1987 |
| 4626237 | Method and apparatus for separating the components of a wellstream The present invention is a centrifuge method and apparatus for separating the components of a stream, particularly a wellstream. Centrifugal force is used to separate solid and liquid components from gaseous components, and the combined action of centrifu... | 12/02/1986 |
| 4617010 | Apparatus for the partial dehydration of sludge in the centrifuge field of a solid jacket centrifuge An apparatus for partial dehydration of a sludge in the centrifugal field of a centrifuge wherein the residual moisture of the sludge is substantially reduced with a comparatively low compression of the sludge, and the non-effective cone length of the cen... | 10/14/1986 |
| 4536177 | Separator This describes a centrifugal separator for fluid and solid mixtures. The rotating centrifuge assembly includes a structure of two rotating circular cones having transfer veins in which the separation takes place in the veins between the two cones. The cro... | 08/20/1985 |
| 4458812 | Reagent storage vessel A durable, low cost, disposable, single test reagent package with plural compartments that maintain reagents separate during long term storage and permits combining of compartment contents without opening the vessel in a simple, rapid, and controlled mann... | 07/10/1984 |
| 4405079 | Centrifugal displacer pump Apparatus is disclosed for centrifugally separating blood into one or more components, such as a plasma-rich component, and a plasma-poor component. This apparatus employs a centrifuge intended to be used immediately adjacent to a blood donor. A flexible ... | 09/20/1983 |
| 4311585 | Classification of particulate material In this invention a method and apparatus for treating particulate material are provided. The apparatus includes a rotatable cylindrical vessel with a concentrate outlet near its operatively lowest part and a particulate feed inlet and a tailings outlet ab... | 01/19/1982 |
| 4254904 | Pocket-type sieve centrifuge A pocket-type centrifuge for processing sugar-beet or cane-sugar mash has a rotor which carries an annular array of pockets whose inner portions are formed as sieves and whose outer portions are constructed to mix a wash liquid with the mash that is fed a... | 03/10/1981 |
