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| Number | Title | Issue Date |
| 7264734 | Method for treating dredged material The present invention provides a method for treating dredged material in which liquid is first added to the dredged material, and dewatering the dredged material to obtain a filtrate and a solid portion. Contaminants are removed from the dredged material by at least... | 09/04/2007 |
| 7179374 | Device for shear-thinning of solids containing material The invention relates to a device to be used in connection with thickening and clarifying apparatuses for shear-thinning of solids containing material, such as slurry, which device contains one conduit for feeding material to be shear-thinnned and another conduit fo... | 02/20/2007 |
| 7169303 | Sorbent reactor for extracorporeal blood treatment systems, peritoneal dialysis systems, and other body fluid treatment systems Systems and methods for extracorporeal processing of blood or other body fluid for the treatment of conditions, such as sepsis, autoimmune disease, or toxemia related to kidney failure, liver failure, or drug overdose are provided. In an extracorporeal treatment sys... | 01/30/2007 |
| 6808626 | System for separating solids from a fluid stream A system for separating solids from a fluid stream. The system includes a first separator device mounted to a container. The container includes a settling compartment and baffle plate module, with the initial settling compartment receiving the fluid from the first s... | 10/26/2004 |
| 6761822 | Dual filter with flow mixer and centrifugal separator A filter for filtering a fluid, such as lubricating oil for an engine, has a first element for trapping small particles and a second filter element for trapping sludge, the second filter element being stacked on the first filter element. A flow-deflecting element is... | 07/13/2004 |
| 6685830 | Process and device for separation of absorbent/floating material from product mixes by means of float/sink separation Device and process for separation of absorbent/floating material from product mixes by means of float/sink separation with a float/sink separator which exhibits a separator tank filled with a liquid separating medium, in which context there are provided d... | 02/03/2004 |
| 6533946 | Apparatus and method for recycling drilling slurry An apparatus and method for recycling drilling mud contaminated with particulates, consists of channelling a stream of contaminated slurry onto a screen deck, with the partly cleansed liquid entering a mixing tank. Liquid within the tank is continually mi... | 03/18/2003 |
| 6527960 | Jet pump treatment of heavy oil production sand A process for separating oily films from sand particles carried in a solvent free water stream includes the use of a jet pump scrubber in a density classification tank to treat such oily coated particles at controlled operating temperatures above 65° C. ... | 03/04/2003 |
| 6350379 | Dual filter with flow mixer A filter for filtering a fluid, such as lubricating oil for an engine, has a full flow filter element and a bypass filter element stacked on the full flow filter element. A flow-deflecting element is disposed between the full flow filter element and bypas... | 02/26/2002 |
| 6299782 | Method and apparatus for treating liquid-containing material based on organic waste products A continuous process for treating a liquid-containing organic waste material. Sufficient acid is added to the material to achieve a pH of 2 or less in the material. The material is subjected to a beating treatment sufficient to (a) reduce the viscosity of... | 10/09/2001 |
| 6296764 | Apparatus for mixing and separating particulate matter from a fluid An apparatus for simultaneously processing a plural number of samples, each of the samples including a fluid containing particulate matter. The apparatus is useful in cytology to collect a uniform monolayer of cells from a biological fluid. Each of a plur... | 10/02/2001 |
| 6165360 | Method and device for dehydrating heavy oils A method and a device for dehydrating a heavy oil wherein an emulsion of water and a heavy oil is mixed in a stirring chamber together with a suitable amount of an emulsion breaker, the mixture is subjected to separation in a two-phase separation tank to ... | 12/26/2000 |
| 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 |
| 6110386 | Method for conditioning metal cutting fluids Apparatus for maintaining the condition of cutting fluids in a machine tool sump and for the removal of tramp oil from the cutting fluid has a pump to draw cutting fluid from the machine tool sump and transfer the fluid to an auxiliary tank where the flui... | 08/29/2000 |
| 6099741 | Method and apparatus for treating liquid-containing material based on organic waste products Liquid containing organic waste material and chemicals are continually introduced into the upper part of a vertical, cylindical treatment chamber. While sinking through the chamber, the material is beaten by fast rotating treating elements which also mix ... | 08/08/2000 |
| 6096198 | Apparatus for conditioning metal cutting fluids Apparatus for maintaining the condition of cutting fluids in a machine tool sump and for the removal of tramp oil from the cutting fluid has a pump to draw cutting fluid from the machine tool sump and transfer the fluid to an auxiliary tank where the flui... | 08/01/2000 |
| 6051139 | Device for filtering slurry A filtering device used to filter the slurry is disclosed, including a crossflow fan within the filter housing, and a driving mechanism relative to the crossflow fan under the filter housing to drive the crossflow fan spinning to agitate the slurry in the... | 04/18/2000 |
| 5944998 | Rotary filtration device with flow-through inner member Rotary filtration devices and processes are disclosed. The devices have at least one inner member and at least one outer member, one or both of which rotate so that they rotate with respect to one another and which define a fluid filtration gap therebetwe... | 08/31/1999 |
| 5928508 | Method and apparatus for separating a medium into a solids-containing component and a liquid component A medium is separated into a solids-containing component and a liquid component. The latter flows through a filter. Clogging of the filter is avoided in that the latter is moved relative to the medium perpendicularly to the flow direction of the liquid th... | 07/27/1999 |
| 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 |
| 5902489 | Particle handling method by acoustic radiation force and apparatus therefore A chamber for exerting an ultrasound beam on a sample solution containing particles to be concentrated, separated or arranged is provided with a view toward arbitrarily controlling the shape of a spatial distribution of potential energy created by the ult... | 05/11/1999 |
| 5849202 | Rotary disc filtration process having means to prevent settlement of solids A process and device for the filtration of solid-liquid mixtures, in particular, solid-liquid suspensions with readily sedimenting substances, uses a filtration device such as a rotary filter optionally operating at an overpressure and in a pressure vesse... | 12/15/1998 |
| 5595661 | Process for recover halocarbons from liquid waste slurries A process for recovering a halocarbon from a liquid waste slurry containing the halocarbon admixed with one or more contaminants using countercurrent or co-current extraction is described.... | 01/21/1997 |
| 5489381 | Extruder apparatus for separating solids from fluids A novel apparatus for isolating solids, slurries or wetcakes from fluids is disclosed. Said apparatus comprises an extruder having a dynamic seal and a barrel comprising a slip joint and a floating auger which allows for solid recovery under pressure in t... | 02/06/1996 |
| 5466370 | Apparatus for isolating solids from fluids A novel apparatus for isolating solids or wetcakes from fluids is disclosed. Said apparatus is closed to the atmosphere and comprises a torque sensor and movable cap which allows for solid recovery under pressure without requiring substantial solvent vola... | 11/14/1995 |
| 5385668 | Apparatus for separating particulate material from a liquid medium The invention relates to an apparatus in the form of a multi-cell installation, and a method for the recovery of metal values from a liquid medium 16 in the form of a pulp or leach solution in which a continuous supply of a liquid medium 16 is continuousl... | 01/31/1995 |
| 5376268 | Rotary filtering apparatus A rotary filtering apparatus basically comprises a tank having inner surfaces comprising an upper part which is cylindrical and a lower part which is conical, wherein a diameter thereof decreases toward the lower part of the tank. A sintered metallic filt... | 12/27/1994 |
| 5368731 | Vacuum assisted slaker classifier The grit conveyance system of a classifier having a wash region above the liquid layer is provided with a vacuum means in the wash region for positive removal of liquids through a metal screen for disposal.... | 11/29/1994 |
| 5348648 | Flotation device for the treatment of water polluted by hydrocarbons A flotation device for the separation of nonmiscible liquids, particularly the separation of water and hydrocarbon pollutants, comprising a cylindrical tank divided by partitions into a feed flow rate homogenization compartment, at least one flotation cel... | 09/20/1994 |
| 5298176 | Controlled velocity settling tank A settling tank for settling inorganic matter such as sand, grit and plastic from a fluid stream such as a waste water stream entering a waste water treatment facility. A set of mechanical mixers directing energy into the fluid stream so as to cause spira... | 03/29/1994 |
| 5296139 | Diffusion cell with filter screen A diffusion cell to facilitate the automated removal of test aliquots of liquid from a receptor chamber of the diffusion cell so as to determine percutaneous absorption through a membrane of a donor media from a donor chamber into the receptor chamber of ... | 03/22/1994 |
| 5288408 | Method of gelatin recovery and purification from encapsulation processes The subject invention relates generally to a novel method of recycling gelatin-based encapsulation waste material and, more specifically, to a process for the recovery and purification of gelatin and softening agents therefrom. In the preferred embodiment... | 02/22/1994 |
| 5240597 | Waste water treatment equipment A waste water treatment equipment adapted to treat, with high removal performance at all times, waste water drained from various sources such as sewage containing solid wastes left after crushing garbage sent out from cooking room, home kitchen, etc. The ... | 08/31/1993 |
| 5240608 | Apparatus for waste free dredging of waterways and the fabrication of building materials This invention relates generally to dredging under harbors and waterways and fabricating building materials and more particularly to an apparatus for dredging that produces no waste and uses the dredged material for useful building products. Furthermore, ... | 08/31/1993 |
| 5207904 | Apparatus for composting waste material Apparatus for composting biological waste material, comprising a screen for separating the waste material into solids and liquids, a sludge outlet for adding sludge to the solids to form a mixture therewith and a compacting section for compacting the mixt... | 05/04/1993 |
| 5190649 | Apparatus for working up metal-charged waste sludges The invention relates to a method of removing metals from metal-charged waste sludges from industry, clarification plants, or the like, in which the sludges are treated with a solvent for the metals, the resulting solution is separated from the undissolve... | 03/02/1993 |
| 5167813 | Apparatus for producing a functionally gradient material Disclosed are a process for laminating a functionally gradient material and a laminating apparatus for the same. The process therefor includes a suspending step and a functionally gradient material laminating step. In the functionally gradient material la... | 12/01/1992 |
| 5158677 | Machine coolant reclamation apparatus Apparatus for reconditioning water-based, synthetic and semi-synthetic coolants. The apparatus comprises a stainless steel mesh filter for removing larger particulate, a coalescer to agglomerate oil droplets and enable a disk skimmer to remove and transfe... | 10/27/1992 |
| 5139667 | Nutsche process filter drive unit A drive unit for a nutsche filter which includes a drive shaft assembly and an impeller shaft assembly which rotate together but which telescope relative to one another. Moving parts of the overall drive shaft assembly are enclosed for protection from cor... | 08/18/1992 |
| 5087379 | Ultrasonic vibrator tray processes Processes and apparatus for treatment of flowing slurries of particulate material mixed in liquid employ a wide, elongated downwardly-slanted, metal tray with upturned edge flanges, cable-suspended for unrestrained vibratory flexing and undulation. The tr... | 02/11/1992 |
