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| Number | Title | Issue Date |
| 7992717 | Hindered settling system A housing adapted to receive a flow of slurry has a central section, an upper section, and a lower section. A clean water introduction assembly has a horizontal manifold, a plurality of horizontal apertured pipes and a plurality of vertical water lines. A valve asse... | 08/09/2011 |
| 7954642 | Process and apparatus for separating solid mixtures An elutriation column is installed in a separation tank. The elutriation column includes a vertical separation column having a first side feed arm and a second side overflow arm spaced above the first side feed arm. Water is forced upwardly through the vertical sepa... | 06/07/2011 |
| 7891496 | Hindered-settling fluid classifier A hindered-settling fluid classifier is adapted for processing material aggregate in a liquid medium. The fluid classifier includes a classifier tank defined by walls designed for holding the liquid medium, and comprising a sink fraction chamber and a float fraction... | 02/22/2011 |
| 7371517 | High purity X-chromosome bearing and Y-chromosome bearing populations of spermatozoa Isolated non-naturally occurring populations of spermatozoa (15) having high purity and technologies to differentiate spermatozoa (28) based on characteristics such as mass, volume, orientation, or emitted light including methods of analysis and appara... | 05/13/2008 |
| 7360655 | Material handling system having a scoop wheel A material handling system is provided. The material handling system includes a tank defining a reservoir for receiving a solid material, and a wheel including a plurality of circumferentially spaced apart scoops for scooping solid material from the tank and subsequ... | 04/22/2008 |
| 7362424 | Compositions and methods for drop boundary detection and radiation beam alignment The invention provides an apparatus and method for determining the position of a radiation beam. The apparatus includes (a) a first reflective surface and a second reflective surface, the reflective surfaces being placed to form the reflective exterior of a wedge; (... | 04/22/2008 |
| 7357259 | Material classifier having a scoop wheel A material classifier for classifying a liquid-solid mixture containing solid material to be separated is provided. The material classifier includes a tank defining a reservoir for receiving the liquid-solid mixture, and a scoop wheel including a plurality of circum... | 04/15/2008 |
| 7318527 | Apparatus for separating organic material from inorganic material An apparatus (100, 100′, 100″) for separating organic material from inorganic material includes a container (1), a feeding apparatus (4), a charging apparatus (9), a lifting apparatus (21), a discharging apparatus (24) a... | 01/15/2008 |
| 7303665 | Aquarium drainage and waste detection system An aquarium drainage system having a filter, funnel, clear tube, sensor housing, light sensor, light beam generator, waste indicator light, primary valve, secondary/safety valve, safety cap and safety switch, as well as the other components shown in the drawings, wh... | 12/04/2007 |
| 7281839 | Turbine cement/water mixer for concrete production A high-speed turbine mixer combines water and cement into a pre-mixed cement paste that is added to aggregates to create a concrete mix. The turbine mixer includes a housing that cooperates with an auger to move dry cement into a mixing chamber where water is added.... | 10/16/2007 |
| 7255514 | Method and system for removing contaminants from soil A method and system for removing contaminants from contaminated soil at a site utilizes particle size segregation and particle density segregation to yield a plurality of fractions, whereby each of the fractions are tested and identified for the presence of unaccept... | 08/14/2007 |
| 7201875 | Fixed mounted sorting cuvette with user replaceable nozzle A flow cell and flow cytometer in which a nozzle at the end of a flow channel is disposed on a removable substrate held at a registered location on a flow cell. Other elements including illumination optics, light collection optics, and the flow cell may then be posi... | 04/10/2007 |
| 7169548 | Sperm cell processing and preservation systems Methods and apparatus are disclosed for processing sperm cells to accomplish preservation for future use while minimizing the adverse effects of such preservation. Sperm cells may be collected from a male animal and subjected to a first preservation step, including ... | 01/30/2007 |
| 7147111 | Hindered-settling fluid classifier A hindered-settling fluid classifier is adapted for processing aggregate entrained in a flowing slurry. The classifier includes a classifier tank defined by walls, and having an inlet at its upstream end and an outlet at its downstream end. A slurry feed pipe is con... | 12/12/2006 |
| 7022224 | Magnetic hydroseparator The invention relates to the concentration of useful minerals and may be used in the concentration of iron ores. The magnetic hydroseparator includes a body with an upper drain, a supply device, a driving scraping device, set up with the possibility of interacting w... | 04/04/2006 |
| 6953123 | Pre-separation of feed material for hindered-bed separator A pre-separator feed well for use with hydrous slurry feed is provided in a hindered-bed separator that includes an elongate body defining an interior space with upper and lower portions. The feed well is elongate and includes a vertically adjustable conical plate a... | 10/11/2005 |
| 6814241 | Reflux classifier A reflux classifier for segregating particles by size or density using a fluidized bed in a chamber. Arrays of inclined plates form lamellae and divide the chamber into zones into which particles of predetermined size or density migrate. Particle differentiation is ... | 11/09/2004 |
| 6662951 | Process for extracting and purifying naturally occurring zeolite A process for extracting and purifying naturally occurring zeolite from ores in the presence of other mineral phases by using mechanical dispersion and differential suspension to remove a majority of the clay content of the ore. The process continues by r... | 12/16/2003 |
| 6425485 | Air-assisted density separator device and method A process is described for separating particles based on differences in mass after the selective attachment of air bubbles to reduce the density of one or more of the components of the feed. A novel feature of this process is aeration of a hindered-bed of... | 07/30/2002 |
| 6264040 | Hindered-bed separator device and method A process and a structure is described for separating particles in a fluid medium based on a difference in settling velocity. The feed is introduced tangential into the separation zone. The tangential feed system includes a transition box to reduce flow v... | 07/24/2001 |
| 6250473 | Method and apparatus for separating fast settling particles from slow settling particles A hydroseparator for separating particles based on the differences in settling rates such as for separating fly ash from gypsum includes a substantially cylindrical side wall closed at its bottom end by a floor. A laminar upflow is created through the hyd... | 06/26/2001 |
| 6244446 | Method and apparatus for continuously separating a more dense fraction from a less dense fraction of a pulp material A method and centrifugal separator apparatus for separating more dense particles from less dense particles contained in a slurry. The separator apparatus receives slurry into a rotor assembly which includes a bowl open upwardly and a surrounding hutch cha... | 06/12/2001 |
| 6176376 | Method and apparatus for separating a protein membrane and shell material in waste egg shells A method and apparatus for separating the membrane portion of waste egg shells from the hard mineral portion thereof, so that each can be used or further processed as desired, thereby addressing the environmental and economic issues associated with dispos... | 01/23/2001 |
| 6164456 | Method and apparatus for isolation of trace materials from a heterogenous sample An elutriation apparatus which combines pressurized liquid nozzles (16A) and the low energy air nozzles (20) producing bubbles for flotation and separation of trace materials in a heterogeneous mixture of materials is described. Quantitative separation of... | 12/26/2000 |
| 6156083 | Coal reclamation systems A method for recovering coal from a mixture containing fine particles of coal, the mixture including fine coal particles, water, and impurities, the method including feeding the mixture to a first liquid/solid separator that removes relatively large piece... | 12/05/2000 |
| 6003678 | Particle separating apparatus and method A disposable first tube (68) extends axially through, and is detachably connected to, an annular main body (10'). An input piezo electric element (38) is attached to a first end of the tubular main body (10'). A second, sensor piezo electric element (40) ... | 12/21/1999 |
| 5944196 | Mercury recovery process A process and apparatus for the recovery of heavy metals from a heavy metal-contaminated material wherein the heavy metal, or particles containing the heavy metal, are separated from the material by a hydraulic mineral separator. The process and apparatus... | 08/31/1999 |
| 5819948 | Particle separating apparatus and method A disposable first tube (68) extends axially through, and is detachably connected to, an annular main body (10'). An input piezo electric element (38) is attached to a first end of the tubular main body (10'). A second, sensor piezo electric element (40) ... | 10/13/1998 |
| 5769238 | Apparatus for cleaning and destoning beans, peas, and other foods of particulate form The present invention provides an apparatus for cleaning particulate materials which readily sink in water, being slightly heavier than water, such as beans, peas, grains, etc.; by removing much heavier particulates such as stones, glass, metal pieces, et... | 06/23/1998 |
| 5736052 | Ion exchange resin particle separation system An apparatus for continuously separating ion exchange resin particles with upwardly flowing carrier fluid. The apparatus includes a first vertically oriented separation vessel and a first collection vessel for receiving the first fraction of resin particl... | 04/07/1998 |
| 5607060 | Method and apparatus for removing metal contamination from soil The invention is a process and an apparatus for removing metal contamination from soil. In the method, the soil is treated to produce soil with a small particle size. The particulate soil is then separated into a coarse fraction and a fine fraction. The c... | 03/04/1997 |
| 5441280 | Contaminant recovery system for a rifle range A contaminant recovery system for a rifle range having an upstanding retaining wall which serves as a rear wall for the range. A sloped berm is located in front of the rear wall and serves as a target backstop. Drainage means are provided for collecting a... | 08/15/1995 |
| 5392921 | Process and apparatus for processing resins A resin processing system in which a mixture of resins, preferably a mixture of anionic and cationic resins, is separated by a laminar or essentially laminar flowing fluid through a separator module, wherein the anionic particles are removed from the top ... | 02/28/1995 |
| 5360117 | Process for the extraction of peat and apparatus for carrying out the process An extracting agent, preferably sodium hydroxide solution containing 0.2 to 0.7% of NaOH, is allowed to flow from bottom to top through a bed of the comminuted peat and is removed above the bed, at a rate such that the flow remains laminar and the extract... | 11/01/1994 |
| 5284630 | Apparatus for production of acetylene A two-stage process for producing acetylene and calcium chloride from calcium carbide and water has two successive reaction steps. In step Number 1, calcium carbide is charged into an entrained flow-type reactor vessel containing water. The reaction which... | 02/08/1994 |
| 5255924 | Contaminant recovery system for a rifle range A contaminant recovery system for a rifle range having an upstanding retaining wall which serves as a rear wall for the range. A sloped berm is located in front of the rear wall and serves as a target backstop. Drainage means are provided for collecting a... | 10/26/1993 |
| 5255787 | Lead shot reclamation device and method A lead shot recovery device is disclosed for reclaiming lead shot from a slurry of material taken from lake bottoms. In one embodiment, the device includes a sluice box having an open bottom riffle bed through which can pass a net upward liquid flow. The ... | 10/26/1993 |
| 5248045 | Method and apparatus for uncasing and sorting bottles An uncasing and sorting machine for refillable plastic bottles includes a first conveyor arrangement having an inlet section, an intermediate section, and an outlet section, the intermediate section being positioned within a water bath. Crates of sortable... | 09/28/1993 |
| 5186820 | Process for separating bitumen from tar sands A process for separating bitumen from tar sands, which comprises: a) agitating a mixture of tar sand with substantially coarse clean sand at ambient or below ambient temperature in the presence of water, so as to mechanically shear bitumen and enhance the... | 02/16/1993 |
| 4991824 | Apparatus for beneficiating ores A method and apparatus for treating mineral-bearing ores and, more particularly, for treating ores containing precious metals, base metals and the like values by providing a means to extract the metal or other values from a particulated ore by classifying... | 02/12/1991 |
