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| Number | Title | Issue Date |
| 8087515 | Separation method and separation apparatus A separation apparatus contains: a dispersion liquid introduction path to which a dispersion liquid containing particles is introduced; a separation path that has a inclined upper face inclined with respect to a direction of gravity and separates the particles; and ... | 01/03/2012 |
| 7735652 | Apparatus and method for continuous particle separation The invention is directed to an apparatus and a method of separating particles, such as cells, from a heterogeneous fluid, such as blood, where the particles have a large range of sizes. ... | 06/15/2010 |
| 7648033 | Method of producing particle-dispersed liquid A method of producing a particle-dispersed liquid, using a channel of micro width having a core flow channel, includes: sending the particle-dispersed liquid containing larger particles to an inner portion of the core flow channel; separating and removing the larger... | 01/19/2010 |
| 7584857 | 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... | 09/08/2009 |
| 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 |
| 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 |
| 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 |
| 7271007 | Microscale diffusion immunoassay Methods and apparatuses are provided for determining presence and concentration of analytes by exploiting molecular binding reactions and differential diffusion rates. Analyte particles and binding particles are allowed to diffuse toward each other, and slowing of t... | 09/18/2007 |
| 7270986 | Ejection of localized volumes from fluids A method is provided for acoustically ejecting from a channel or other container a plurality of fluid droplets, each of which contains one or more particles or other localized volumes. The localized volumes, which can be living cells, are ejected towards sites on a ... | 09/18/2007 |
| 7258837 | Microfluidic device and surface decoration process for solid phase affinity binding assays This invention provides a microfluidic device for use in the detection of one or more analytes in a fluid using solid-phase affinity binding assays. The device offers a practical, easy-to-use, portable, inexpensive, robust analytical system for the parallel and quan... | 08/21/2007 |
| 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 |
| 7226562 | Liquid analysis cartridge The present invention provides an apparatus and method for storing a particle-containing liquid. The storage apparatus comprises a microfluidic convoluted flow channel having a plurality of particle capture regions. The storage channel is preferably an isotropic spa... | 06/05/2007 |
| 7179423 | Microfluidic system including a virtual wall fluid interface port for interfacing fluids with the microfluidic system A fluid interface port in a microfluidic system and a method of forming the fluid interface port is provided. The fluid interface port comprises an opening formed in the side wall of a microchannel sized and dimensioned to form a virtual wall when the microchannel i... | 02/20/2007 |
| 7165881 | Methods and apparatus for high-shear mixing and reacting of materials Methods and apparatus for high shear reacting and/or mixing of moving fluid streams of materials employ an interdiffusing and reacting zone formed in the space between two stationary surfaces, the surfaces being spaced apart a maximum distance of the sum of the thic... | 01/23/2007 |
| 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 |
| 7108137 | Method and apparatus for separating particles by size A method and apparatus for separating a mixture of particles of various sizes in a capillary tube into groups by size using multiple forces of controlled amplitude. Ultrasonic radiation at a first selected frequency is applied to set up a standing pressure wave in t... | 09/19/2006 |
| 7105081 | Methods and apparatus for electrosmear analysis Methods and apparatus for preparing a smear for cytopathology or other analysis. In a representative embodiment, cells of a sample are subjected to a dielectrophoretic force to segregate the cells into two or more zones of a surface. The particles are attached to th... | 09/12/2006 |
| 7060446 | Device comprising a microfabricated diffusion chamber Assay device which is able to detect molecules which inhibit the binding of a ligand to a receptor using extremely small quantities of ligand and receptor sample. Such devices are useful in the discovery of molecules which may modulate the activity of biologically i... | 06/13/2006 |
| 7011791 | Microfluidic devices for rotational manipulation of the fluidic interface between multiple flow streams Microfluidic devices and methods are provided for enhancing detection of a diffusion pattern formed by particles diffusing between at least two fluid streams in parallel laminar flow such that an interface is formed between them by increasing the dimension of the st... | 03/14/2006 |
| 6986829 | Process and container for stacking high-consistency stock Process and container for stacking and diluting paper fiber stock. The process includes stacking a high-consistency stock in a first volume for defined dwell time, conveying stock to second volume arranged to adjoin downstream first volume, diluting stock in second ... | 01/17/2006 |
| 6974926 | Sorting of single-walled carbon nanotubes using optical dipole traps In embodiments of the present invention, the electric field of a focused laser beam induces a dipole in a single-walled carbon nanotube. The single-walled carbon nanotube has one or more resonant frequencies. When the frequency of the laser beam is less than a reson... | 12/13/2005 |
| 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 |
| 6929750 | Device and method for separation The present invention provides a device and a method for separating particles from fluids using ultrasound, laminar flow, and stationary wave effects comprising a micro-technology channel system with an integrated branching point or branching fork, and a single ultr... | 08/16/2005 |
| 6905769 | Gas barrier film It is an object of the present invention to provide a gas barrier film improved in gas barrier characteristics by decreasing the adsorbent of the surface of a gas barrier layer to water and the like. The present invention attains the above object by providing a gas ... | 06/14/2005 |
| 6905029 | Cross-flow differential migration classifier A method, system, apparatus, and article of manufacture provide a cross-flow migration classifier capable of separating particles. The classifier provides a channel through which a sample, having one or more particles, passes in a first direction, wherein the channe... | 06/14/2005 |
| 6902650 | Method of making a stratified paper The present invention provides a method making stratified paper by redistributing the pulp suspension inside the headbox nozzle using acoustic radiation waves. Acoustic radiation forces fractionate fibers based on fiber radius. The acoustic radiation waves separate ... | 06/07/2005 |
| 6827911 | Photoreactor with self-contained photocatalyst recapture A system for the continuous use and recapture of a catalyst in liquid, comprising: a generally vertical reactor having a reaction zone with generally downwardly flowing liquid, and a catalyst recovery chamber adjacent the reaction zone containing a catalyst consisti... | 12/07/2004 |
| 6632652 | Reversibly sealable microstructure sorting devices Methods and apparatus for sorting microstructures, such as macromolecules, viruses, cells, and minute particles, in a fluid using microlithographic sorting array that is reversibly sealed by a cover. A silicone elastomer cover is used in one embodiment. I... | 10/14/2003 |
| 6491167 | Self-cleaning separator for cohesive or adhesive products A self-cleaning separator is described for cohesive or adhesive solids from a fluidborne stream of solids on the basis of a cyclonelike separation. The separator consists at least of a cylindrical upper section (8) having a separating chamber (3), a produ... | 12/10/2002 |
| 6454945 | Microfabricated devices and methods This invention provides microfabricated systems for extraction of desired particles from a sample stream containing desired and undesired particles. The sample stream is placed in laminar flow contact with an extraction stream under conditions in which in... | 09/24/2002 |
| 6379973 | Chromatographic separation apparatus and method A fractionation apparatus comprises two channels coupled through a semipermeable membrane. A time and position dependent concentration of precipitation reagent is produced in one of the channels. Sample entities such as macromolecules or cells introduced ... | 04/30/2002 |
| 6273266 | Process for the wet screening of stock suspensions in pressure graders and pressure graders screen Process and pressure grader screen for wet screening stock suspensions. The process includes conducting the stock suspension along the screen, so that break-away eddies are formed on an inflow side of the screen, separating portions of the stock suspensio... | 08/14/2001 |
| 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 |
| 6273262 | Particle concentration device A device comprises a means for radiating ultrasound from one face of a chamber holding a sample solution containing particles to be concentrated, and a reflective face inclined to the face irradiated with the ultrasound. The frequency of the ultrasound ra... | 08/14/2001 |
| 6273265 | Magnetically enhanced gravity separator The performance of a gravity separator is enhanced by providing a magnetic material on the separation surface of the gravity separator. A magnetically enhanced gravity concentration/separation apparatus is provided for enhancing separation of a target fee... | 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 |
| 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 |
| 6202855 | Process for the selection of particles of a preselected size from a particulate pharmaceutical product An invention provides a process for the selection from a particulate pharmaceutical product of particles of a preselected size, said process comprising (i) obtaining a substantially homogeneous suspension of said particulate pharmaceutical product in a fl... | 03/20/2001 |
| 6186333 | Method and arrangement for controlling a multi-phase screening apparatus The invention relates to a method for controlling a multi-step screening apparatus (1), the method comprising controlling other accept, reject and dilution flows in relation to the flow measured in the accept channel (7a) of the first screening step (3a).... | 02/13/2001 |
