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"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| 7934599 | Method for separation of construction waste Disclosed herein is a method for separation of construction waste. In the method, the construction waste, crushed to a predetermined size, is added to liquid in a precipitation tank and separated into components in the tank according to specific gravity, in which th... | 05/03/2011 |
| 7802686 | Method and device for classifying fine particles The present invention provides a method for classifying fine particles, the method comprising: introducing a fine particle dispersion in which fine particles are dispersed in a liquid medium into an inlet of a microchannel having the inlet and a recovery portion; an... | 09/28/2010 |
| 7497336 | Material separator system A vehicle for separating a mixed debris stream is disclosed. The vehicle includes an elongate vehicle frame; a separating assembly configured to contact the mixed debris stream with a fluid stream to separate the mixed debris stream into at least a first debris stre... | 03/03/2009 |
| 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 |
| 7357706 | Method and a plant for preparing shrimps A method of preparing shrimps includes boiling them at a pressure exceeding atmospheric pressure, at a temperature exceeding the boiling temperature of water at atmospheric pressure, for keeping the meat of the shrimps in a compressed state while causing the meat to... | 04/15/2008 |
| 7341154 | Water bath separator A water bath separator includes a tank for receiving a volume of water for forming a water bath having a top water surface and a light material conveyor path extending from the tank such that an upstream end of the light material conveyor path is closely below the t... | 03/11/2008 |
| 7338981 | Separation of contaminants from polyester materials The present invention is generally directed to a process for separating and recovering post-consumer polyester from various contaminant materials. The invention can be utilized to separate post-consumer polyester from various contaminants including glass, dirt, pape... | 03/04/2008 |
| 7328807 | Method and device for classifying fine particles The present invention provides a method for classifying fine particles, the method comprising: introducing a fine particle dispersion in which fine particles are dispersed in a liquid medium into an inlet of a microchannel having the inlet and a recovery portion; an... | 02/12/2008 |
| 7318528 | Precious metal recovery A pulse of over six kilovolts with a duration of 200 nanoseconds causes an explosion that fragments a mineral deposit with metals embedded therein. The fragmentation separates the metals from the mineral. A conditioning electromagnet temporarily magnetizes the metal... | 01/15/2008 |
| 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 |
| 7225757 | Method of cleaning soiled bedding material in barns A method of cleaning bedding sand soiled with animal manure removes the bedding sand from an animal bedding area. An aqueous slurry of the bedding sand is made. The slurry is subjected to cyclonic action so as to separate the sand from the manure. The separated sand... | 06/05/2007 |
| 7172143 | Method and plant for separating polymeric materials A method for recycling polymeric materials, including a mechanical separation step (B), a first density separation step (C), an intensive cleaning step (E), and a second density separation step (G, V) is described. Additional separation steps, such as a third densit... | 02/06/2007 |
| 7157274 | Method and apparatus for sorting particles A method and apparatus for sorting particles moving through a closed channel system of capillary size comprises a bubble valve for selectively generating a pressure pulse to separate a particle having a predetermined characteristic from a stream of particles. The pa... | 01/02/2007 |
| 7111738 | Technique for enhancing the effectiveness of slurried dense media separations Methods, systems, and media for use in separating mixtures. A slurry including a separation liquid and one or more particulate media materials is provided. A classification separation is performed on the slurry to produce a classified media having a controlled parti... | 09/26/2006 |
| 7104405 | Method and apparatus for sorting particles A method and apparatus for sorting particles moving through a closed channel system of capillary size comprises a bubble valve for selectively generating a pressure pulse to separate a particle having a predetermined characteristic from a stream of particles. The pa... | 09/12/2006 |
| 7098299 | Separation of contaminants from polyester materials The present invention is generally directed to a process for separating and recovering post-consumer polyester from various contaminant materials. The invention can be utilized to separate post-consumer polyester from various contaminants including glass, dirt, pape... | 08/29/2006 |
| 7066187 | Modular treatment plant having horizontal drum machines A machine for treating bulk material of industrial volume parts, having a treatment drum which is arranged with a horizontal axis and can be driven in both directions of rotation around the axis, the treatment drum comprises a permanently open co-axial inlet apertur... | 06/27/2006 |
| 7014132 | Method and plant for separating polymeric materials A method for recycling polymeric materials, including a mechanical separation step (B), a first density separation step (C), an intensive cleaning step (E), and a second density separation step (G, V) is described. Additional separation steps, such as a third densit... | 03/21/2006 |
| 7007806 | Method and apparatus for separating a protein membrane and shell material in waste egg shells A method and apparatus for abrading the membrane portion of waste egg shells from the hard mineral portion thereof, is provided. The linking structure between the membrane and shell is initially abraded such that the membrane particles and shell particles can be pas... | 03/07/2006 |
| 7004327 | Method for sink and float separation of fine grained mineral raw materials A separating apparatus for the sink and float separation of a mineral raw material according to density using a liquid. The separating apparatus includes a rotatable drum including a plurality of sink-product pockets for discharging a sink product of the mineral raw... | 02/28/2006 |
| 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 |
| 6994219 | Method for magnetic/ferrofluid separation of particle fractions A particulate feed comprising a first particle type and a second particle type is separated by providing a separation apparatus having a separation vessel having a top and a bottom, and wherein the separation vessel includes inwardly sloping side walls. A magnet str... | 02/07/2006 |
| 6976590 | Method and apparatus for sorting particles A method and apparatus for sorting particles moving through a closed channel system of capillary size comprises a bubble valve for selectively generating a pressure pulse to separate a particle having a predetermined characteristic from a stream of particles. The pa... | 12/20/2005 |
| 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 |
| 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 |
| 6811655 | Apparatus for preparing paper pulp from used paper The invention concerns a method and an equipment for combining in one single apparatus, the functions for filtering, decontaminating, and thickening paper pulp from used paper, while providing the complementary function of clarifying the filtrates. The apparatus ( | 11/02/2004 |
| 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 |
| 6808075 | Method and apparatus for sorting particles A method and apparatus for sorting particles moving through a closed channel system of capillary size comprises a bubble valve for selectively generating a pressure pulse to separate a particle having a predetermined characteristic from a stream of particles. The pa... | 10/26/2004 |
| 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 |
| 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 |
| 6599434 | Fine coal recovering process A process and system for recovering fine coal having a size at or below 400 mesh. The process and system includes a series of cyclone separators, a vibrating screen, a centrifuge and a flow path to clean, recover and dewater fine coal having a nominal siz... | 07/29/2003 |
| 6423532 | Refuse-treatment method and apparatus A method of treating household refuse wherein selection, communication, etc., the fraction of the total refuse containing biodegradable organic dry matter is delivered to an anaerobic fermentation process. Anaerobic fermentation is carried out until all t... | 07/23/2002 |
| 6383282 | Pseudophasic extraction method for the separation of ultra-fine minerals An improved aqueous-based extraction method for the separation and recovery of ultra-fine mineral particles. The process operates within the pseudophase region of the conventional aqueous biphasic extraction system where a low-molecular-weight, water solu... | 05/07/2002 |
| 6354523 | Method and apparatus for recycling rubber An apparatus and method for forming superfine particles of rubber powder suitable for recycling, as by incorporation into new rubber production, is shown. Coarsely ground rubber particles, formed in a conventional manner, are mixed in a soaking vessel wit... | 03/12/2002 |
| 6293407 | System for debris elimination and item separation and method of use thereof A item separating or debris eliminating system includes a tank and a pump for circulating water from one end of the tank around through a duct and back into the opposite end of the tank. A medium density object collector is located within the tank, and a ... | 09/25/2001 |
| 6273264 | Device and method for separating particles contained in a fluid A device for separating dense particles contained in blood or one or more proteins contained in blood plasma by utilizing a separating arrangement. The separation arrangement includes a feed duct, at least two discharge ducts, a pump for producing a press... | 08/14/2001 |
| 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 |
| 6264039 | Method for precious metal recovery from slag The present invention, therefore, provides stage crushing method for recovering precious metals from slag produced by a coal burning furnace or boiler comprising: a plurality of crushing steps, wherein each crushing step produces slag particles having suc... | 07/24/2001 |
| 6213308 | System for debris elimination and item separation and method of use thereof A item separating or debris eliminating system includes a tank and a pump for circulating water from one end of the tank around through a duct and back into the opposite end of the tank. A medium density object collector is located within the tank, and a ... | 04/10/2001 |
