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| Number | Title | Issue Date |
| 8104513 | Gas flow path switching units Disclosed is a gas flow path switching unit including a gas passage section with a target gas passage for allowing said target gas to pass therethrough. The target gas passage includes a main passage having a proximal end serving as said gas inlet and a number n of ... | 01/31/2012 |
| 7918244 | Microfluidic bubble logic devices Fluid-based no-moving part logic devices are constructed from complex sequences of micro- and nanofluidic channels, on-demand bubble/droplet modulators and generators for programming the devices, and micro- and nanofluidic droplet/bubble memory elements for storage ... | 04/05/2011 |
| 7802591 | Microfluidic device and methods for construction and application A microfluidic device comprises first and second inlet passages (13) for respective immiscible fluids, these inlet passages merging into a third passage (8) along which the two fluids flow under parallel laminar flow conditions, the third passage being... | 09/28/2010 |
| 7784495 | Microfluidic bubble logic devices An all fluid-based no-moving part micro-mechanical logic family of microfluidic bubble logic devices is constructed from complex sequences of microfluidic channels, microfluidic bubble modulators for programming the devices, and microfluidic droplet/bubble memory el... | 08/31/2010 |
| 7361315 | Micro-reactor for biological substance inspection and biological substance inspection device The object of the present invention is to provide a micro-reactor, equipped with a high-precision liquid feed system of simple structure, capable of high-precision analysis of at least one item. The present invention provides a micro-reactor for biological substance... | 04/22/2008 |
| 7354029 | Apparatus and method for treating process fluids A process fluid treating apparatus includes an ejector assembly fluidically connected to a process fluid supply assembly. A Coanda airfoil is located in the ejector assembly. Primary fluid is injected into the ejector duct to form a Coanda layer. A process fluid, or... | 04/08/2008 |
| 7347617 | Mixing in microfluidic devices Mixing of liquids in a microfluidic device is accomplished by dispensing the liquids into a first chamber to produce combined liquid. The liquids are thereafter discharged through at least one capillary from the first chamber into a second chamber for complete mixin... | 03/25/2008 |
| 7329535 | Apparatus for circulating carrier fluid Provided are an apparatus for circulating a carrier fluid having two or more chambers or sections, an apparatus for amplifying a nucleic acid using the same, and a chip containing the same. The apparatus for circulating a carrier fluid includes two or more chambers ... | 02/12/2008 |
| 7314718 | Method and apparatus for maintaining multiple planar fluid flows The present invention provides a method of performing analyses and assays involving multiple interactions of reagent-containing fluid flows with liquid and solid target substances. The methods of the invention allow the simultaneous manipulation of different fluids ... | 01/01/2008 |
| 7214348 | Microfluidic size-exclusion devices, systems, and methods Microfluidic devices, assemblies, and systems are provided, as are methods of manipulating micro-sized samples of fluids. Microfluidic devices having a plurality of specialized processing features are also provided. ... | 05/08/2007 |
| 7204581 | Magnetic actuator using ferrofluid slug A magnetostatic actuator uses a ferrofluid slug confined in a cylindrical tube which is wrapped in a conducting coil. By applying a current to the coil, a magnetic field is generated inside the coil. The ferrofluid slug may be attracted to the interior of the coil b... | 04/17/2007 |
| 7189578 | Methods and systems employing electrothermally induced flow for mixing and cleaning in microsystems A method and system for controlling flow motion in a channel/cavity in a microfluidic system includes positioning at least one pair of electrodes in and/or proximate to the channel/cavity. A buffer solution is placed in the channel/cavity, the buffer solution having... | 03/13/2007 |
| 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 |
| 7171983 | Multi-reservoir pressure control system Improved microfluidic devices, systems, and methods allow selective transportation of fluids within microfluidic channels of a microfluidic network by applying, controlling, and varying pressures at a plurality of reservoirs. Modeling the microfluidic network as a s... | 02/06/2007 |
| 7171975 | Fabrication of ultra-shallow channels for microfluidic devices and systems A method for etching an ultra-shallow channel includes using an etch process that is selective for one material to etch a different material in order to achieve a very precise channel depth in the different material. Channels as shallow as 10 nm can be fabricated in... | 02/06/2007 |
| 7169601 | Microfabricated reactor An integrated microfabricated instrument for manipulation, reaction and detection of microliter to picoliter samples. The instrument is suited for biochemical reactions, particularly DNA-based reactions such as the polymerase chain reaction, that require thermal cyc... | 01/30/2007 |
| 7169353 | Apparatus enabling liquid transfer by capillary action therein An apparatus (1) which includes at least one planar surface (2) having compartments (3) which are defined by a partition (4), the compartments creating a space which makes it possible to displace at least one liquid sample (5 and/o... | 01/30/2007 |
| 7156117 | Method of controlling the movement of fluid through a microfluidic circuit using an array of triggerable passive valves The present invention is directed to methods of controlling the flow of fluids through a microfluidic circuit and, more particularly, to methods of controlling the movement of fluid through a microfluidic circuit using one or more triggerable passive valves. In one ... | 01/02/2007 |
| 7155082 | Switchable microfluidic optical waveguides The present invention provides microfluidic optical waveguides and waveguide switches providing capability for multiple outlet paths for the fluid waveguides and optical signals contained therein. A microfluidic structure comprises a core inlet channel, one or more ... | 12/26/2006 |
| 7140357 | Vortex mixing system for exhaust gas recirculation (EGR) A vortex mixing system mixes intake air with exhaust gases for exhaust gas recirculation (EGR) in an internal combustion engine. The vortex mixing system may have a vortex mixing device connected to an intake air conduit, a supply conduit, and an EGR conduit. The vo... | 11/28/2006 |
| 7134453 | Microfluidic switch for stopping a liquid flow during a time interval The invention relates to a microfluidic switch for stopping a liquid flow during a time interval with the following features: the switch has at least one first channel and at least one second channel; the first channel and the second channel have a common end area; ... | 11/14/2006 |
| 7125711 | Method and apparatus for splitting of specimens into multiple channels of a microfluidic device A microliter liquid sample, particularly a biological sample, is analyzed in a device employing centrifugal and capillary forces. The sample is moved by capillary forces into one or more metering wells which define the amount of the sample to be analyzed in subseque... | 10/24/2006 |
| 7120523 | Hydraulic cylinder life prediction Maintenance requirements for hydraulic cylinders used to actuate heavy equipment may be predicted by measuring actual use of the cylinders. Sensors measuring piston position within each cylinder are integrated and the results stored in histograms bins to provide a p... | 10/10/2006 |
| 7118910 | Microfluidic device and methods of using same A variety of elastomeric-based microfluidic devices and methods for using and manufacturing such devices are provided. Certain of the devices have arrays of reaction sites to facilitate high throughput analyses. Some devices also include reaction sites located at th... | 10/10/2006 |
| 7111635 | Method of fabricating a flow constriction within a channel of a microfluidic device A method is provided for fabricating a constriction region in a channel of a microfluidic device. The method includes the steps of introducing a pre-polymer mixture including a monomer, cross-linking agent and photoinitiator into the channel. The pre-polymer mixture... | 09/26/2006 |
| 7094354 | Method and apparatus for separation of particles in a microfluidic device A microfluidic device provides separation of particles in a liquid sample, particularly, separation of a sample of whole blood into its components for further analysis. Separation into red blood cells and plasma occurs within a few seconds after the blood sample has... | 08/22/2006 |
| 7082955 | Axial input flow development chamber A system for conveying fluid through a conduit that creates a strong laminar flow of the material surrounded by a boundary layer flow of the same or a different flowable material, such that long transport distances through dramatic elevation and directional changes ... | 08/01/2006 |
| 7077152 | Microfluidic metering systems and methods Systems and methods for metering microfluidic volumes are provided. A discrete plug may be separated from a larger volume of first fluid by injecting a second fluid, such as a gas, into a channel containing the first fluid. The injection of the second fluid to isola... | 07/18/2006 |
| 7069943 | Microfluidic system including a bubble valve for regulating fluid flow through a microchannel A microfluidic system includes a bubble valve for regulating fluid flow through a microchannel. The bubble valve includes a fluid meniscus interfacing the microchannel interior and an actuator for deflecting the membrane into the microchannel interior to regulate fl... | 07/04/2006 |
| 7066207 | Flow development chamber A system and method for conveying flowable material through a conduit that creates a strong laminar flow of the material surrounded by a boundary layer flow of the same or a different flowable material, such that long transport distances through dramatic elevation a... | 06/27/2006 |
| 7066190 | Air-driven microfluid control device and method An air-driven microfluid control device and its method are disclosed. The control device contains an air source, a first inlet, a second inlet, a narrow sector, and an outlet. The air source is connected two the two inlets to produce an airflow. The first inlet conn... | 06/27/2006 |
| 7059351 | Surface-tension-guided liquid transportation device A liquid transportation device includes a working board, a working liquid, a liquid channel and a cover board, wherein the liquid channel is formed on a top surface of the working board, the covering board is fully covered the liquid channel, the liquid channel comp... | 06/13/2006 |
| 7034673 | Method for monitoring an electrohydraulic vehicle braking system Method for monitoring an electrohydraulic braking system. The volume uptake is determined by the elasticity within the wheel brake that is subjected to certain fluctuations, on the one hand, and to a much greater degree by the clearance that is present, on the other... | 04/25/2006 |
| 7032607 | Capillary reactor distribution device and method A capillary reactor distribution device comprising first and second capillary pathways (2, 3) which meet at a junction (5) and a third capillary pathway (4) which leads away from the junction (5), the capillary pathways (2, 3, 4) b... | 04/25/2006 |
| 7028536 | Sealing interface for microfluidic device A threadless interface for a fluidic system includes a microfluidic device having an outer surface and an internal near-surface channel having a first width and disposed at a first depth relative to the outer surface, with the first width being less than about two t... | 04/18/2006 |
| 6988507 | Axial input flow development chamber A system for conveying fluid through a conduit that creates a strong laminar flow of the material surrounded by a boundary layer flow of the same or a different flowable material, such that long transport distances through dramatic elevation and directional changes ... | 01/24/2006 |
| 6939450 | Device having a flow channel A device having a flow channel, wherein at least one flow-terminating interface is used to control the flow of liquid in the flow channel. The flow-terminating interface prevents the flow of the liquid beyond the interface. In one aspect, the invention provides a se... | 09/06/2005 |
| 6935772 | Fluidic mixer in microfluidic system Microfluidic devices capable of efficiently mixing two or more fluid are provided. Two or more microfluidic inlet channels defined in different sheets of material meet at an overlap region in fluid communication with an outlet channel. The channels are defined throu... | 08/30/2005 |
| 6936167 | System and method for performing multiple parallel chromatographic separations Systems and methods for performing multiple parallel chromatographic separations are provided. Microfluidic cartridges containing multiple separation columns allow multiple separations to be performed in a limited space by a single instrument containing high-pressur... | 08/30/2005 |
| 6919046 | Microfluidic analytical devices and methods Modular microfluidic systems includes a plurality of microfluidic modules, each capable of performing fluidic operations including, but not limited to, filtering, splitting, regulating pressure, mixing, metering, reacting, diverting, heating, cooling, and condensing... | 07/19/2005 |