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| Number | Title | Issue Date |
| 7516759 | Autonomous moving microstructures A microstructure includes a catalyst region, and a non-catalyst region proximate to the catalyst region. The catalyst region induces a chemical reaction of a fluid component when the microstructure is located within a fluid medium containing the fluid component. The... | 04/14/2009 |
| 7445027 | Multilayer microfluidic-nanofluidic device A method of bonding layers to form a structure, comprises curing a first adhesive while squeezing a first layer and a multilayer structure together between a first backing and a second backing. The multilayer structure comprises a substrate and a second layer, and t... | 11/04/2008 |
| 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 |
| 7323143 | Microfluidic systems including three-dimensionally arrayed channel networks The present invention provides, in certain embodiments, improved microfluidic systems and methods for fabricating improved microfluidic systems, which contain one or more levels of microfluidic channels. The inventive methods can provide a convenient route to topolo... | 01/29/2008 |
| 7238325 | Very small chemical device and flow rate adjusting method therefor There is provided a micro chemical device with a valve function for which the pressure resistance is high and the channel cross-sectional area does not depend on the fluid pressure, and which furthermore enables the suppression of the adsorption of biological matter... | 07/03/2007 |
| 7216671 | Microfabricated elastomeric valve and pump systems A method of fabricating an elastomeric structure, comprising: forming a first elastomeric layer on top of a first micromachined mold, the first micromachined mold having a first raised protrusion which forms a first recess extending along a bottom surface of the fir... | 05/15/2007 |
| 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 |
| 7189368 | Functional unit enabling controlled flow in a microfluidic device A microfluidic device which comprises two or more microchannel structures (set 1), each of which comprises a structural unit which comprises (i) one or more inlet microconduits, and (ii) an outlet microconduit downstream said one or more inlet microconduits, ... | 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 |
| 7162057 | Apparatus for and method of monitoring particulate material in a fluid Apparatus for monitoring particulate material in a fluid comprising a passageway (17), through which fluid to be monitored is passed, at least a portion (24) of the boundary of the passageway (17) being translucent to enable radiation to pass th... | 01/09/2007 |
| 7125128 | Adaptive-optics actuator arrays and methods for using such arrays Actuator arrays for use in adaptive-optical elements and optical systems containing at least one such element are disclosed. The actuator arrays provide more precise control of the shape of the adaptive-optical surface while utilizing fewer actuators than convention... | 10/24/2006 |
| 7097811 | Gravity-driven apparatus and method for control of microfluidic devices A gravity-driven apparatus and method control the flow order of reactants in microfluidic devices which are employed in a microfluidic chip. The gravity-driven apparatus flow order control mainly comprises a plurality of reactant chambers arranged at different heigh... | 08/29/2006 |
| 7074327 | Sample preparation for parallel chromatography Systems and methods are provided for preparing samples for chromatographic separations and then chromatographically separating the prepared samples, preferably in a high-throughput fashion utilizing multiple parallel first (fluid) processing regions in fluid communi... | 07/11/2006 |
| 7062418 | Computer aided design method and system for developing a microfluidic system The present invention generally relates to design automation techniques and more particularly to the design of customized microfluidic systems using a microfluidic computer aided design system. In one embodiment of the present invention the system includes a synthes... | 06/13/2006 |
| 7055540 | Method of moving fluid in capillary chip The present invention is a method of moving a fluid in a capillary using a capillary chip having a layer including a polymer composition and a capillary formed on the surface or inside of the aforementioned layer including a polymer composition, wherein the aforemen... | 06/06/2006 |
| 6981522 | Microfluidic devices with distributing inputs Microfluidic devices having a plurality of functional features for performing one or more fluidic operations in parallel are provided. Reagents, samples or other fluids common to multiple functional features (“common fluids”) may be input into a microfluidic dev... | 01/03/2006 |
| 6953058 | Microfabricated fluidic circuit elements and applications The present invention provides microfabricated fluidic systems and methods. Microfabricated fluidic devices of the present invention include switches that can be opened and closed to allow or block the flow of fluid through a channel in response to the pressure leve... | 10/11/2005 |
| 6899137 | Microfabricated elastomeric valve and pump systems A method of fabricating an elastomeric structure, comprising: forming a first elastomeric layer on top of a first micromachined mold, the first micromachined mold having a first raised protrusion which forms a first recess extending along a bottom surface of the fir... | 05/31/2005 |
| 6843281 | Methods and apparatus for introducing liquids into microfluidic chambers The present invention is directed to methods and apparatus for removing a gaseous bubble confined in a microvolume of liquid in a chamber. A source of liquid, a barrier region and an exit region are provided in fluid communication with the chamber. The source of liq... | 01/18/2005 |
| 6802342 | Microfabricated fluidic circuit elements and applications The present invention provides microfabricated fluidic systems and methods. Microfabricated fluidic devices of the present invention include switches that can be opened and closed to allow or block the flow of fluid through a channel in response to the pressure leve... | 10/12/2004 |
| 6701960 | Double cone for generation of a pressure difference The lifetime of a double-cone device (21) for creating a pressure difference in a streaming fluid can be greatly increased by moving the inlet gap (5) into the exit cone (4). This results in a short so-called diffuser (22) being obtained between the gap (... | 03/09/2004 |
| 6637463 | Multi-channel microfluidic system design with balanced fluid flow distribution Methods and apparatus are presented for controlling fluid flow through flow paths with pressure gradient fluid control. Passive fluid flow barriers may be used to act as valves, thereby allowing the flow of fluids through flow paths to be regulated so as ... | 10/28/2003 |
| 6615857 | Modular flow control actuator The present invention is a flow control actuator capable of exciting a fluid via the coupling of edge tones generated along a wedge and resonance generated within a cavity. The invention consists of a resonance cavity and ejector port separated by a wedge... | 09/09/2003 |
| 6499499 | Flow control in multi-stream microfluidic devices Microfluidic devices for splitting an established fluidic flow through a microfluidic channel among multiple downstream microfluidic channels include a plurality of elevated flow resistance regions to promote precise and predictable splitting. Each elevat... | 12/31/2002 |
| 6497375 | Fluidic nozzle with multiple operating modes A fluidic nozzle having multiple operating modes comprising a fluidic oscillator circuit having an oscillation chamber having an upstream end and a downstream end and a power nozzle at the upstream end for introducing a jet of a liquid (water) into the os... | 12/24/2002 |
| 6361689 | Magnetic apparatus for treating fluid fuels A magnetic treatment device for fluid fuels, which exhibits a cylindrical flow chamber (6) with a conical part (17) widening in the direction of flow (A) and a conical, magnetic insert (16) with at least two flat and/or annular permanent magnets (10,11,12... | 03/26/2002 |
| 6360775 | Capillary fluid switch with asymmetric bubble chamber A switching device for controlling fluid motion. The device includes a capillary filled with a first fluid into which a wall-confined bubble of a second fluid is introduced to achieve a first switching event. Capillary geometry and wetting properties prov... | 03/26/2002 |
| 6176941 | Method of removing contaminants from an epidermal surface using an oscillating fluidic spray A process for cleansing microorganisms from the pliant epidermal surface of a human hand which comprises brushlessly scrubbing the pliant epidermal surface of the human hand with a plurality of cleansing fluids. The cleansing fluids are oscillating sprays... | 01/23/2001 |
| 6110292 | Oscillating liquid jet washing system Fluidic oscillators are used to apply pulsatile sweeping streams of a liquid, preferably a cleansing solution, to selected areas of epidermis in a manner consistent with the resonant characteristics of the epidermis. The device thereby cleanses the skin, ... | 08/29/2000 |
| 5730187 | Fluid microdiode The present invention pertains to a fluid microdiode for directionally incorporating a dosed fluid into another stationary or flowing target fluid contained in a closed system, especially in the submicroliter range. It is characterized by a planar arrange... | 03/24/1998 |
| 5074324 | Method and apparatus for reducing drag and noise associated with fluid flow in a conduit A method and apparatus for reducing drag and noise associated with fluid w within a conduit is provided. The conduit has flexible walls that are shaped to form stationary waves having peaks and troughs and are repeated in the axial direction of the condu... | 12/24/1991 |
| 5052491 | Oil tool and method for controlling paraffin deposits in oil flow lines and downhole strings An oil tool and method for controlling the accumulation of paraffin and deposits in downhole oil string and oil transmission flow lines is provided by employing at various locations in the downhole oil string or in the oil transmission flow lines a coupli... | 10/01/1991 |
| 4901764 | Dynamic confinement and contactless docking An apparatus for isolating an enclosure from external pollution includes a tube (2) with one end opening out into the enclosure and with its opposite end (5) being open. At least one slot (6) is provided in the inside wall of said tube in the vicinity of ... | 02/20/1990 |
| 4885089 | Liquid distributor cap for a filter cartridge The invention relates to a filter cartridge for a liquid filter, in particular for use for tanks for the filtration of water for the production of drinking water, with a generally cylindrical vessel, which contains the filtering material and with a sealin... | 12/05/1989 |
| 4672886 | Oscillating air stream apparatus for automobile defroster Air is detected from opposing ends of a trough-like continuous contour which defines a guide path for the two opposing streams. The air streams will be attached to flow along the trough and where the oppositely directed streams impact or impinge upon each... | 06/16/1987 |
| 4586343 | Process and device for metering small amounts of a low boiling liquified gas The invention concerns a process and device for metering small amounts of a low boiling liquified gas which flows from an orifice of a cold-insulated vessel. In this process and device the orifice of the vessel is sealed off by a gas bubble.... | 05/06/1986 |
| 4549574 | Fluidic devices A fluidic diverter comprising a housing forming a chamber having an inlet at one end and two diverging outlets at the opposite end. An asymmetric configuration is produced within the chamber by axially spaced steps in opposing walls of the chamber and a s... | 10/29/1985 |
| 4540014 | Hydraulic memory device A hydraulic memory device has two elongated passages for liquid, an input member connected with upper ends of the elongated passages for liquid supply into the latter, and two output members each connected with a lower end of the respective passage, where... | 09/10/1985 |
| 4252512 | Coanda effect support for material processing A conveying and supporting surface is provided with a plurality of coanda effect nozzles for providing a directional film of gas along the surface to support and/or convey a plurality of articles, in indefinite length web, or material along the surface. T... | 02/24/1981 |
