Did You Know...
...Chester Carlson was a patent agent who tired of having to make multiple copies of patent applications using the only duplication method available at the time: carbon paper. In 1959 he came up with a new copying system and took it to IBM for evaluation. The "experts" at IBM determined potential sales to be only 5,000 units because people wouldn't want to use a bulky machine when they had carbon paper. Carlson's invention was the xerography process, the company founded on the system is Xerox.
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| Number | Title | Issue Date |
| 8083067 | Method for the separation of overlapping density porous materials from less porous materials Enhanced methods for separating of overlapping density porous materials are provided. The methods of the invention exploit the differences in the porosity of porous feed materials compared to that of the solid plastics. In the first stage, air is forced out of the p... | 12/27/2011 |
| 7355140 | Method of and apparatus for multi-stage sorting of glass cullets A method and system for sorting different colored objects, preferably glass cullets, into separate groups of same colored objects comprising a plurality of sorting devices for receiving an input feed of different colored objects and sorting the different colored obj... | 04/08/2008 |
| 7351929 | Method of and apparatus for high speed, high quality, contaminant removal and color sorting of glass cullet A system for sorting a mixed stream of different colored cullet into separate groups of same colored cullet comprises a light emitting source for transmitting light, such as white light, through a cullet, and a camera having a plurality of pixels for receiving light... | 04/01/2008 |
| 7264124 | Systems and methods for sorting recyclables at a material recovery facility Systems and methods for providing a quantity of cullet having at least two colors of glass from an input stream of recyclable material and non-recyclable material. In an embodiment, the system includes a sortation station, a screening apparatus, an air classifier, a... | 09/04/2007 |
| 7231927 | Method for recycling used-up plastic products and washing process of crushed plastic and apparatus therefor An object of the invention is to provide a method and an apparatus for recycling plastics which is improved with respect to operation efficiency, operation environment, lowering degradation of plastics, recycling cost and environment load including saving energy. Th... | 06/19/2007 |
| 7232687 | Multiple sorter monitor and control subsystem for flow cytometer An optical illumination and monitoring subsystem controls the operation of a flow cytometer having a carrier fluid that flows along a channel coupled to a droplet generator, which controls a point at which droplets break off from the carrier fluid, and a droplet sor... | 06/19/2007 |
| 7182204 | Treatment method and device, in particular for excavation material A method and an apparatus for processing mixtures of material which contain a coarse component (3) and a predominantly cohesive fine component (4). Both the mixture of material (2) and an added material (5) are delivered in continuous str... | 02/27/2007 |
| 7178748 | Method of recycling plastic material of process cartridge It is an object of this invention to efficiently recycle a plastic resin material used in a process cartridge. To achieve this object, in a method of recycling a plastic material of a process cartridge, the process cartridge is crushed in a crushing step while parti... | 02/20/2007 |
| 6923328 | Method and apparatus for separating metal values Methods and apparatuses for separating metal values, such as nickel and nickel compounds, from mineral ores, including lateritic ores are disclosed. The method includes providing a mixture of particles (e.g., crushed and sized ore) that is composed of at least a fir... | 08/02/2005 |
| 6922583 | Method for measuring tissue morphology The present invention relates to systems and methods for measuring one or more physical characteristics of material such as tissue using optical radiation. The system can use light that is scattered by a tissue layer to determine, for example, the size of nuclei in ... | 07/26/2005 |
| 6905028 | Method of separation by altering molecular structures Method of separation that uses at least one organic chemical reaction to alter the molecular structure of a substance or substances (102) so that a mechanical method of separation can be used to cause the separation of one or more substances from one or a gro... | 06/14/2005 |
| 6805242 | Method of reducing phosphate ore losses in a desliming process The specification describes one or more embodiments of the present invention, which relates to a method of reducing phosphate ore losses in a desliming process. A phosphate ore preparation slurry is directed to a desliming unit; surfactants and/or an organic polymer... | 10/19/2004 |
| 6746873 | Vibratory system for a sorting flow cytometer A flow cytometry system is disclosed for oscillating the exterior of a flow cytometer nozzle. Oscillating the exterior of a flow cytometer nozzle at selected oscillations or a sweeping range of oscillations disintegrates particles and gas entrapped within the flow c... | 06/08/2004 |
| 6719144 | Method of separating oxide from dross, device for separating oxide from dross, and jet solder tank When a printed board is soldered by a dipping method, a great deal of dross is generated on a jet solder tank. The dross is a mixture of melted solder and oxide. A worker takes out the dross from the jet solder tank, and throws it away. Thus, a large amount of the s... | 04/13/2004 |
| 6588597 | Disposal system for plastic A treating system for selecting and recovering reusable materials from used composite plastics is constituted by a crushing process, a cleaning and grading process and a plastics separation process. The treating system for the composite plastics is consti... | 07/08/2003 |
| 6412642 | Method of applying marking to metal sheet for scrap sorting purposes Application of surface marking to metal stock, such as aluminum sheet, prior to or during scrap-generating manufacturing operations, to provide a detectable mark on pieces of manufacturing scrap derived from the marked sheet and commingled with scrap of o... | 07/02/2002 |
| 6372506 | Apparatus and method for verifying drop delay in a flow cytometer An apparatus and method for verifying the drop delay in a flow cytometer, which is indicative of the time that elapses from a moment at which a particle of interest is detected at an interrogation point in the flow of cytometer to the moment at which a so... | 04/16/2002 |
| 6206199 | Method and an apparatus for recycling different components in a multiple layer material In order to recover the various components of multiple layer materials, a method uses a refiner or disperser including mutually opposing rotating discs having material engaging surfaces or elements such as teeth. The method includes: adjusting a gap betwe... | 03/27/2001 |
| 6193070 | Apparatus for separating solids drilling fluids A solids separation system may be used to separate solids, such as cuttings from drilling fluids used in well drilling operations. The system includes a settling tank having transverse baffles defining a fluid receiving chamber, a fluid output chamber and... | 02/27/2001 |
| 6158591 | Method and apparatus for extracting plant resins An improved method and apparatus for extracting resin from plant material. Conventionally, plant resins, which are useful in many products, are extracted using chemical solvents, which may alter the extract, and may produce a by-product or residue that ma... | 12/12/2000 |
| 6149012 | System and method for cleaning and recovering plastic from coated fiber polywaste A method for recovering densified plastic from mixed waste containing plastic and less than about 15 weight percent paper, and having a density ranging from about 2 to about 3 pounds per cubic foot, the method comprising the steps of shredding the mixed w... | 11/21/2000 |
| 6145666 | Cleansing contaminants from a heterogeneous material using a sorption agent There is described a process for cleansing contaminants, such as oil, PCB, PAH, heavy metals and the like, from a heterogeneous material, such as sand, gravel, earth, oil gravel, asphalt, drill borings ("kaks") and the like. More specifically the inventio... | 11/14/2000 |
| 6082548 | Mobile soil treatment apparatus and method An apparatus for treating contaminated soil is disclosed. The apparatus includes a reactor vessel for holding a volume of water which is subdivided into a first chamber and a second chamber. The chambers are in fluid communication and are partially separa... | 07/04/2000 |
| 5988395 | Liquid-fluidized bed classifier (LFBC) for sorting waste plastics and other solid waste materials for recycling Disclosed herein is a method and system for sorting recycled solid waste materials, such as plastics, by a liquid-fluidized bed classifier (LFBC) technique. The application of a LFBC to the separation of plastics, and in particular plastic particles, is s... | 11/23/1999 |
| 5948276 | Plastic separation method The present invention pertains to the separation of mixtures of plastics, contaminated with, among other things, mineral heavy materials such as e.g. sand or metal refuse. Separation occurs according to density in a separating liquid in the centrifugal fi... | 09/07/1999 |
| 5643796 | System for sensing droplet formation time delay in a flow cytometer A droplet flow cytometer system which includes a system to optimize the droplet formation time delay based on conditions actually experienced includes an automatic droplet sampler which rapidly moves a plurality of containers stepwise through the droplet ... | 07/01/1997 |
| 5567245 | Method for separating vinylidene chloride polymer from other polymers A method for separating a polymer such as polypropylene from a layered plastic material that includes a layer of polypropylene together with a layer of vinylidene chloride is provided. The layered plastic material is agitated in a bath of water and sand t... | 10/22/1996 |
| 5500136 | Simulated gold and gemstone mining operation A sluicing operation for entertainment comprises a two portion unit, having storage facilities and sluicing area with at least one trough at approximately a 2° angle. The storage facilities have a water/ore separation unit, precious material holding bin ... | 03/19/1996 |
| 5397066 | Separation of plastic materials Separation of a mixture of plastic materials by separating the plastic mixture according to particle size, and introducing plastic of similar size particles into a vertical fluidized bed column having an upwardly flowing gaseous stream therein. The flow r... | 03/14/1995 |
| 5358120 | Selective separation of finely-divided minerals by addition of selective collector reagent and centrifugation Separation of impurities from kaolin clay is accomplished by conditioning a dispersed aqueous pulp of the clay with an anionic flotation collector, followed by centrifugation or the like to cause the impurities to settle from a dispersed pulp of the clay ... | 10/25/1994 |
| 5340558 | Vermiculite composition with improved thermal expansion properties A vermiculite composition capable of exhibiting a high degree of volume increase upon subjection to thermal exfoliation composed of vermiculite mineralogical species having specific gravity of from 2.5 g/cm3 to 2.9 g/cm3. Further, in... | 08/23/1994 |
| 5314071 | Glass sorter The invention provides a method and apparatus for purification and color sortation of waste glass, a glass beneficiation process and apparatus. The invention crushes the glass into pieces less than 3 inches in size, delables the glass, and then sorts the ... | 05/24/1994 |
| 5311997 | Selective separation of finely-divided minerals by addition of selective collector reagent and centrifugation Separation of impurities from kaolin clay is accomplished by conditioning a dispersed aqueous pulp of the clay with an anionic flotation collector, followed by centrifugation or hydrocloning to cause the impurities to settle from a dispersed pulp of the c... | 05/17/1994 |
| 5246115 | Process for separating heterogeneous plastic material into homogeneous fractions and apparatus useful to this purpose A process is taught for separating heterogeneous plastic material into homogeneous fractions, which comprises: a. feeding the plastic material in a triturated form to a first water-containing separation tank to separate the high specific weight products f... | 09/21/1993 |
| 5244155 | Solid-solid separations utilizing alkanol amines The separation of silica or siliceous gangue from one or more desired minerals in an aqueous slurry via mechanical apparatus is improved by the addition of a small amount of an alkanol amine to the slurry. Examples of separation techniques benefiting from... | 09/14/1993 |
| 5227047 | Wet process for fly ash beneficiation A wet process for the beneficiation of a fly ash by-product has the following steps: a) forming a slurry mixture of a fly ash material and a liquid; b) gravitationally separating and collecting a first material fraction of the fly ash having a density les... | 07/13/1993 |
| 5201921 | Process for identifying plastics by addition of fluorescent dye Process for rendering a plastic identifiable by adding 5 to 10,000 ppb of a fluorescent marker to the plastic during or after is manufacture.... | 04/13/1993 |
| 5199652 | Method for separating a mixture of two plastics with similar specific gravities A novel process has been found in which the two types of plastic particles having similar specific gravities in a mixture are safely, efficiently, effectively and economically separated after being soaked in a plasticizer for a predetermined amount of tim... | 04/06/1993 |
| 4975182 | Waterflow differential electrical charging process for ores The invention consists of forming an aqueous slurry of water and particles of ore carrying both metals and/or minerals which are passed at relatively high speed along an electrically isolated path in contact with electrically insulating materials and in t... | 12/04/1990 |
| 4853133 | Coal dewatering The water content of wet small coal is reduced by adding a defined amount of an ionic surfactant, centrifuging, and adding a foam suppressing amount of a cationic organic compound to the aqueous effluent from the centrifugation step.... | 08/01/1989 |
