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| Number | Title | Issue Date |
| 7135008 | Method and apparatus for ultrafiltration utilizing a peripheral access dual lumen venous cannula Method and apparatus for the extracorporeal treatment of blood by utilizing a peripherally inserted dual lumen catheter assembly for the continuous removal and return of blood for renal replacement treatment, in particularly, treatment of congestive heart failure an... | 11/14/2006 |
| 7078003 | Device for the transfer of energy and/or matter between a soluble solid and a liquid The invention relates to a device for the transfer between a solid matter and a liquid, comprising an outer drum and a perforated inner drum, means for commonly rotating the drums, and means situated inside the inner drum for moving the solid matter. In between the ... | 07/18/2006 |
| 6544414 | Erosion feeder atmosphere stabilizer and method An apparatus and method for stabilizing and preserving water soluble solid chemical used in erosion feeders for sanitizing water. Outside ambient air is forced through the chemical stored in a feeder chamber. Depending on the temperature of outside ambien... | 04/08/2003 |
| 6251660 | Devices and methods for detecting target molecules in biological samples Devices and methods for detecting the presence, or absence of the presence of at least one target molecule employing a receptacle housing a reaction chamber comprised of at least one compartment containing suitable reagents for the detection of the target... | 06/26/2001 |
| 5705133 | Stationary screen extractor An improved rotating basket extractor is provided having improved discharge means comprising a hopper section having a solid material entry and solid material exit end. The cross sectional area of the solid material entry end is smaller than the exit end ... | 01/06/1998 |
| 5702614 | Fluid treatment method A device for treating fluid, particularly polluted water such as add-sulphate water. The device includes a stainless steel chamber which is provided with buoyancy pontoons allowing it to float in communication with the polluted water in a reservoir. The c... | 12/30/1997 |
| 5591416 | Stationary screen extractor An improved rotating basket extractor is provided having improved discharge means comprising a hopper section having a solid material entry and solid material exit end. The cross sectional area of the solid material entry end is smaller than the exit end ... | 01/07/1997 |
| 5580425 | Column for overheated liquids A column for performing thermal separations and/or chemical reactions with a vertical cylindrical outer column wall surrounding an inner volume, which is subdivided by a median vertical separating wall into two volume halves, wherein mass exchange packs a... | 12/03/1996 |
| 5569331 | Method and apparatus for recycling oil-soaked boom and pads A method and apparatus are provided for removing oil from absorbent materials of the type used in components for absorbing oil and containing oil spills. The components are first passed through a press to squeeze some of the oil from the components. The c... | 10/29/1996 |
| 5427748 | Chemical feeder Described is a chemical feeder comprising a housing having a base and upwardly extending side walls that define a cavity for containing solid chemical material, e.g., calcium hypochlorite. A hollow coaxial chamber is located within the cavity and is seate... | 06/27/1995 |
| 5384102 | Chemical feeder An apparatus for dissolving a solid chemical material including a housing having a base and sidewalls that define a cavity within which is seated a container that is spaced from the housing sidewalls and covered with a grid is described. A flange connects... | 01/24/1995 |
| 5290433 | Froth washer The washer comprises an open-topped vessel having a tube mounted vertically and centrally therein. Post-primary bitumen froth is fed to the upper end of the tube. Pairs of down throw and up throw propellers mounted to rotate in the tube act to shear the f... | 03/01/1994 |
| 4690732 | Apparatus for shale oil retorting A shale oil retorting system and novel continuous feed means for retorting oil shale within a retort housing employs a tilted circular conveyor within the housing which allows for continuous feeding of crushed oil shale within the conveyor for subsequent ... | 09/01/1987 |
| 4662893 | Hydraulic waste propellant macerator and method of use A method and apparatus for hydraulically macerating and recovering soluble component from a solid material such as waste solid propellant that is semihard. The solid material is fed into a perforated enclosure where it is held until it is macerated such t... | 05/05/1987 |
| 4567941 | Device for processing a flow solid products by means of a flow of liquid, more particularly for cooling vegetables The present invention relates to a device for processing a flow of solid products with a counter-current flow of liquid to achieve for example a heat exchange comprising a drum rotating about its longitudinal axis, an endless screw or helix arranged withi... | 02/04/1986 |
| 4464341 | Vortex apparatus for the continuous producing of a precipitate Vortex apparatus for the continuous production of a precipitate by reacting together at least two reactants wherein it comprises a rotary bowl, having a vertical axis a fixed cylinder arranged coaxially within the bowl in order to define with the latter a... | 08/07/1984 |
| 4416858 | Contactor A continuous contactor comprises a rotary tubular rotor through which the streams to be contacted flow. The rotor has an inner wall which is substantially cylindrical and an outer wall spaced from the inner wall. The rotor is divided internally into a num... | 11/22/1983 |
| 4312836 | Apparatus for the continuous treatment of the compounds in a corrosive liquid Apparatus for treating the compounds in a corrosive liquid comprising a fixed tank in which the liquid is placed, a horizontally axed rotary support which peripherally carries at least one bucket for receiving the compound to be treated, means for introdu... | 01/26/1982 |
| 4311673 | Apparatus for extracting with a liquid, products which are part of solids The apparatus comprises inside a rotating drum, two conveying screws nested inside one another and a partition passing through the drum axis to form two series of succeeding cells inside which the solids and the liquid move in counter-current, two liquid ... | 01/19/1982 |
| 4289734 | Apparatus for contacting solids with a liquid Apparatus for countercurrently contacting solids with a liquid comprises a rotatable drum housing a screw conveyor having helical turns affixed to the cylindrical side wall of the drum and defining a helical passageway for the solids between the turns, th... | 09/15/1981 |
| 4248835 | Apparatus for extracting with a liquid products which are part of solids An apparatus for the countercurrent extraction of liquids, forming a portion of solids, from such solids includes a rotary drum having an axis which is substantially horizontal. An inner partition is positioned within the drum and is substantially in the ... | 02/03/1981 |
| 4244656 | Apparatus for contacting liquids and solids with liquids A continuous liquid/liquid or liquid/solids contactor consists of a rotary contactor having a near horizontal axis. The interior of the drum is divided axially into a number of compartments by spaced discs secured to the drum wall and having openings thro... | 01/13/1981 |
| 4230675 | Apparatus for leaching core material from clad nuclear fuel pin segments This invention relates to improved apparatus for counter-currently contacting liquids and solids to dissolve, or leach, a selected component of the solids while minimizing back-mixing of the liquid phase. The apparatus includes an elongated drum which is ... | 10/28/1980 |
| 4182632 | Diffuser A diffuser, particularly for solvent extraction, and more particularly for the extraction of sugar from sugar cane, the diffuser comprising vertically disposed annular extracting stages, each having means to move the material being processed around each s... | 01/08/1980 |
