Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 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 |
| 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 |
| 7314140 | Apparatus and method for separating materials A material separator for separating at least two different materials of differing densities and/or sizes of particles. The material separator generally includes a tank containing a flocculent, a circulation system for circulating flocculent within the tank and a pai... | 01/01/2008 |
| 7255233 | Method and apparatus for separating mixed plastics using flotation techniques A method and apparatus are provided for separating mixed plastics using flotation techniques including a first stage initial washing tank for washing of incoming plastics and providing a first separation process and at least one separation module. The first stage in... | 08/14/2007 |
| 7017753 | Apparatus and method of separating heavy materials in garbage from light ones and classifying the heavy garbage for collection An apparatus and method of separating heavy materials in garbage from light ones is taking advantage of water as a means for carrying floated garbage and submerged garbage and sinking the heavy materials in garbage by considering specific weight, buoyancy, and flow ... | 03/28/2006 |
| 7017752 | Apparatus and method of separating small rubbish and organic matters from garbage for collection An apparatus and method of separating small rubbish and organic matters from garbage for collection by means of water by considering specific weight, buoyancy, and flow rate of water is disclosed. The apparatus comprises a plurality of conveyor screens incorporating... | 03/28/2006 |
| 7004328 | 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 removal of c... | 02/28/2006 |
| 6988622 | Venturi-driven flotation separator for chili peppers Mechanically harvested chili-pepper plants are sized into chunks and introduced into a water flotation system. Water is added at the top of a flotation vat and, for the most part, is withdrawn at the bottom using a venturi unit. The balance of the water is recovered... | 01/24/2006 |
| 6875254 | Methods for detecting and extracting gold Methods for detecting gold and quantitating gold in ore samples utilizing a gold-specific protein are provided, including methods for multiple sample handling. Also provided are methods for extracting gold from mineral suspensions utilizing a magnetic mineral bindin... | 04/05/2005 |
| 6168642 | Industrial utilization of garbage with effective recycling and with optimization in energy production A recycling process for garbage containing a high proportion of paper where printed paper is first separated from the garbage. The garbage is then into pieces and light and heavy components are separated out in a classification tank. The remaining organic... | 01/02/2001 |
| 6098810 | Flotation process for separating silica from feldspar to form a feed material for making glass A separation process is provided for treating a feed material comprising silica, feldspar, and metal impurities, including at least one of mica, iron impurities, or refractory heavy minerals, to form one or more products for use in making glass. In the proces... | 08/08/2000 |
| 5624488 | Ultrahigh brightness calcined clay pigment, manufacture & use thereof A selected kaolin crude or crude fraction is purified by physical or physical/chemical means, such as froth flotation and/or selective flocculation, to remove discrete particles of TiO2 and in some cases, discrete iron minerals. The pure (or pu... | 04/29/1997 |
| 5591348 | Device for the central feeding of tanks such as circular grit traps, grit classifiers or settling tanks of circular construction A device for centrically charging tanks (9) with a spin chamber (1, 10) connected to an inlet (20) and to a vertical downpipe (2, 12) ending seamlessly in a trumpet-shaped mouth (3, 18). Rotary flow charges circular settlement tanks and sand sorters and s... | 01/07/1997 |
| 5435443 | Method and apparatus for separating mixtures of substances The invention proposes using liquefied carbon dioxide as a separation agent for flotation and/or sedimentation separation, which is particularly suitable for separating foodstuff mixtures such as meat components, because it can be maintained in liquid pha... | 07/25/1995 |
| 4879048 | Method and facility for removing sludge from water The present invention relates to a method incorporating a sorter, cyclone and thickener for removing sludge from water, and includes the step of separating the inorganic constituents or matter in the sludge, such as stones, gravel, sand, etc., from the or... | 11/07/1989 |
| 4851036 | Mineral ore flotation process and apparatus There is disclosed a process and an apparatus for beneficiating a mineral ore, such as phosphate-containing ore, in a substantially vertical column. The feed subjected to the benefication preferably has a particle size of less than 20 mesh. The feed is in... | 07/25/1989 |
| 4613429 | Process for removing mineral matter from coal A process for removing mineral matter from feed coal employing liquid carbon dioxide. A water slurry of pulverized feed coal is mixed with liquid carbon dioxide. Demineralized coal is collected in the liquid carbon dioxide phase while separated mineral ma... | 09/23/1986 |
| 4605420 | Method for the beneficiation of oxidized coal A process for modifying the surface of oxidized coal, said process comprising subjecting coal having oxidized surfaces to high shear agitation in water followed by desliming the resultant aqueous coal mixture.... | 08/12/1986 |
| 4586935 | Method of preparing coal to increase its calorific value and making it safe for storage and transport There is described an improved method for treating low rank coal to lessen the risk of autogenous heating and attendant combustion hazards by means of passing the coal through a bath of molten metal to elevate its temperature into the range Td to Td+50° ... | 05/06/1986 |
| 4579586 | Mercaptohydroxy alkanes Dimercaptodihydroxy alkanes are used as a curing agent for epoxide resins and as ore flotation agents.... | 04/01/1986 |
| 4522628 | Method for removing ash mineral matter of coal with liquid carbon dioxide and water A method for removing the ash mineral matter content of coal and transporting the ash free coal from the point of ash removal to a coal use point comprising grinding run-of-mine coal to a desired particle size, mixing the coal particles with water and liq... | 06/11/1985 |
| 4467560 | Method for sorting of seed A method for separation of seeds, in which the seeds are incubated in a suitable environment and then dried to produce a pronounced difference in moisture content between filled-dead seeds and filled-viable seeds. These two seed fractions are then separat... | 08/28/1984 |
| 4339042 | Treatment of minerals There is described a process for separating from a mixture of mineral components at least one of the components. The process comprises the steps of (a) dispersing the mixture of mineral components in water so as to form an aqueous suspension containing sa... | 07/13/1982 |
| 4292089 | Process for continuously dissolving a particulate solid material, notably a lignocellulose material A fragmented material is dissolved continuously by impregnation and immersion into a solvent bath in which said material is subjected to a moderate mixing movement allowing it to be kept within the interior of said bath to undergo dissolution therein unti... | 09/29/1981 |
| 4282096 | Tar separating device A tar separating device for separating tar from hot rinsing liquid, specifically, the rinsing liquid of a receiver of a coke oven battery including a container having a rinsing liquid inlet, a solids removal device for removing solids from the liquid as t... | 08/04/1981 |
| 4278532 | Air classification apparatus An air classifier comprising a rotatable open-ended drum disposed with its axis horizontal or substantially so, for receiving material to be classified, means for creating a stream of air through the drum, means for introducing material to be classified i... | 07/14/1981 |
| 4249700 | Recovery of silicon carbide whiskers from coked, converted rice hulls by liquid-liquid separation The present invention is directed to silicon carbide whisker recovery from a mixture of silicon carbide whiskers and carbonaceous silicon carbide particles. The invention involves shredding the mixture down to a specified size, dispersing the mixture in w... | 02/10/1981 |
| 4140344 | Extraction of organic matter from marine sediment Marine sediment contains organic matter which can be extracted to provide a source of energy, by extracting the organic matter from the marine sediment when in the form of a slurry, and separating the organic matter from the extracted material.... | 02/20/1979 |
| 4119533 | Method for separating mixed plastics A method of separating highly hydrophobic plastics from a plastics mixture comprising placing the plastics mixture in an aqueous liquid medium, keeping the aqueous liquid medium in an agitated state to disperse the plastics mixture whereby the plastics ha... | 10/10/1978 |
| 4042414 | Processing of starch Waxy, small granule starch of high spreadability, and waxy, large granule starch which is capable of forming an exceptionally clear and bright paste, are simultaneously produced by steeping waxy barley grain for a period of at least 12 hours in an aqueous... | 08/16/1977 |
| 4022231 | Chip washer A chip washer which has its cylindrical upper part an upwards directed outlet pipe and an outlet channel for washed chips and in which the foreign materials separated from the chips sink into the funnel part attached to the upper part as its continuation,... | 05/10/1977 |
| 3992814 | Method for sorting seeds A method apparatus of sorting germinating seeds from non-germinating seeds. The seeds are disposed on the surface of a liquid carrying the seeds and germinating seeds are separated from non-germinating seeds by means of liquid streams acting on parts proj... | 11/23/1976 |
