Famous Patents
British merchant Peter Durand invented the tin can in 1810.
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 |
| 8162005 | Durable frit composition and composites and devices comprised thereof A zirconium- and alumina-containing silicate glass suitable for use as a frit with refractory materials such as alumina is disclosed, the silicate glass comprising a glass composition in mole percent (mol %) of: 2 | 04/24/2012 |
| 8122909 | Surface features in microprocess technology This invention relates to microchannel apparatus that includes microchannels with interior surface features for modifying flow; processes utilizing this microchannel architecture, and methods of making apparatus having these features. ... | 02/28/2012 |
| 8104515 | 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... | 01/31/2012 |
| 7959876 | Fluidic device A fluidic device includes a first reservoir to receive a first fluid, a second reservoir to receive a second fluid, and a main channel coupled to the first and second reservoirs through one or more branch channels. A first one-use pump generates a pressure differenc... | 06/14/2011 |
| 7607455 | Micro-electro-mechanical valves and pumps and methods of fabricating same Micro-valves and micro-pumps and methods of fabricating micro-valves and micro-pumps. The micro-valves and micro-pumps include electrically conductive diaphragms fabricated from electrically conductive nano-fibers. Fluid flow through the micro-valves and pumping act... | 10/27/2009 |
| 7431570 | Capillary pumps for vaporization of liquids A capillary pump is provided for producing pressurized and unpressurized vapor emissions from liquid feed. In its simplest form, the capillary pump incorporates a liquid feed intake, a porous vaporization component, and a heat transfer component. Additional componen... | 10/07/2008 |
| 7412990 | Microfluidic control device and method for controlling microfluid Provided is a microfluidic control device and method for controlling the microfluid, and a fine amount of fluid is controlled even with natural fluid flow and solution injection, wherein a pressure barrier of a capillary is removed by a surface tension change result... | 08/19/2008 |
| 7392827 | 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... | 07/01/2008 |
| 7384550 | Glaucoma implant having MEMS filter module Various MEMS filter elements or modules are disclosed, and which may be used in a glaucoma implant (490). One such MEMS filter module (34) includes a first film (70) and a second film (46) that are spaced and interconnected by a plurality... | 06/10/2008 |
| 7367359 | Proportional micromechanical valve The present invention provides a proportional microvalve having a first, second and third layer, and having high aspect ratio geometries. The first layer defines a cavity with inlet and outlet ports. The second layer, doped to have a low resistivity and bonded betwe... | 05/06/2008 |
| 7353687 | Reference leak A reference leak includes a leak layer formed of one of a metallic material, a glass material, and a ceramic material. The metallic material is selected from the group consisting of copper, nickel, and molybdenum. The leak layer comprises a number of substantially p... | 04/08/2008 |
| 7354008 | Fluidic nozzle for trigger spray applications A fluidic nozzle, for use with a trigger spray applicator that issues a desired spray pattern of fluid droplets, and wherein the applicator has a liquid delivering orifice and an exterior surface proximate the orifice that is configured to receive a spray nozzle, in... | 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 |
| 7347533 | Low cost piezo printhead based on microfluidics in printed circuit board and screen-printed piezoelectrics In accordance with one aspect of the present exemplary embodiment, a printhead includes a printed circuit board having at least one base layer, with at least one electrical trace, at least one fluidic passage and at least one fluidic chamber as part of the printed c... | 03/25/2008 |
| 7338760 | Sample preparation integrated chip The present invention relates to an apparatus comprising a substrate having at least one assay station. The at least one assay station has at least a first assay station channel and at least a second assay station channel and the first and second assay station chann... | 03/04/2008 |
| 7334630 | Closed-loop microchannel cooling system Apparatus and methods according to the present invention utilize micropumps that are capable of generating high pressure and flow without moving mechanical parts and the associated generation of unacceptable electrical and acoustic noise, as well as the associated r... | 02/26/2008 |
| 7326296 | High throughput screening of crystallization of materials High throughput screening of crystallization of a target material is accomplished by simultaneously introducing a solution of the target material into a plurality of chambers of a microfabricated fluidic device. The microfabricated fluidic device is then manipulated... | 02/05/2008 |
| 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 |
| 7318912 | Microfluidic systems and methods for combining discrete fluid volumes Microfluidic devices capable of combining discrete fluid volumes generally include channels for supplying different fluids toward a sample chamber and means for establishing fluid communication between the fluids within the chamber. Discrete fluid plugs are defined ... | 01/15/2008 |
| 7316543 | Electroosmotic micropump with planar features An electroosmotic micropump having a plurality of thin, closely-spaced, approximately planar, transversel aligned partitions formed in or on a substrate, among which electroosmotic flow (EOF) is generated. Electrodes are located within enclosed inlet and outlet mani... | 01/08/2008 |
| 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 |
| 7305930 | Marine vessel vent plate One embodiment of a vent plate for a marine vessel includes a plate having a top surface that defines a total surface area and a plurality of apertures arranged in a pattern covering at least one quarter of the total surface area, the pattern including a plurality o... | 12/11/2007 |
| 7282705 | Microdevice having an annular lining for producing an electrospray emitter A microdevice is constructed from a substrate having a microchannel formed therein and a cover plate arranged over the substrate. The cover plate in combination with the microchannel at least partially defines a conduit within the microdevice. The conduit has a surf... | 10/16/2007 |
| 7243670 | Microfluidic system A microfluidic system, particularly a microfluidic chip, with at least one operational channel, in which a fluid and/or the constituents contained therein are moveable in the direction of the operational channel by a driving force, particularly by using pressure, ac... | 07/17/2007 |
| 7244402 | Microfluidic protein crystallography The use of microfluidic structures enables high throughput screening of protein crystallization. In one embodiment, an integrated combinatoric mixing chip allows for precise metering of reagents to rapidly create a large number of potential crystallization condition... | 07/17/2007 |
| 7235914 | Piezoelectric micro-transducers, methods of use and manufacturing methods for same Various micro-transducers incorporating piezoelectric materials for converting energy in one form to useful energy in another form are disclosed. In one embodiment, a piezoelectric micro-transducer can be operated either as a micro-heat engine, converting thermal en... | 06/26/2007 |
| 7231839 | Electroosmotic micropumps with applications to fluid dispensing and field sampling Apparatus and methods according to the present invention preferably utilize electroosmotic pumps in fluid handling and field sampling applications. The electroosmotic pumps used in these applications are capable of generating high pressure and flow without moving me... | 06/19/2007 |
| 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 |
| 7216660 | Method and device for controlling liquid flow on the surface of a microfluidic chip The invention is directed to a method and device for routing, mixing, or reacting droplets or liquid microstreams along the surface of a flat substrate. The flow of liquid microstreams or microdroplets along designated pathways is confined by chemical surface patter... | 05/15/2007 |
| 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 |
| 7207345 | Fluid routing device A single layer fluid routing device comprising a first channel having a cross-section of a first aspect ratio and a first depth; a second channel having a second cross-section of a second different aspect ratio and a second different depth; wherein the second channe... | 04/24/2007 |
| 7185697 | Electroosmotic microchannel cooling system Apparatus and methods according to the present invention preferably utilize electroosmotic pumps that are capable of generating high pressure and flow without moving mechanical parts and the associated generation of unacceptable electrical and acoustic noise, as wel... | 03/06/2007 |
| 7184894 | Quantitative measurement method and quantitative measurement chip for target substance The present invention provides a quantitative measurement method and quantitative measurement chip which can perform quantitative measurement of a target substance in a short period of time. The invention provides a quantitative measurement method in which a three d... | 02/27/2007 |
| 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 |
| 7168447 | Fluid distribution unit for dividing a stream of fluid into a plurality of partial streams The invention relates to a liquid distribution unit (10, 20) for dividing a liquid current into a plurality of partial currents. Said unit comprises at least one liquid inlet (13, 23) for the supplied liquid current, a plurality of liquid outlets (1... | 01/30/2007 |
| 7166459 | Test device and method of making same The present invention discloses a test device including a support member; a top member mounted to the support member, wherein in the support member and the top member are configured such that they together define a discrete chamber. The discrete chamber includes a f... | 01/23/2007 |
| 7159618 | Electrically opened micro fluid valve The invention relates to an electrically-opened micro fluid-valve. The inventive valve comprises: at least one planar support (12); at least one afferent microchannel (14); at least one efferent microchannel (16), said microchannels being arrang... | 01/09/2007 |
| 7156118 | Microfluidic system with high aspect ratio The invention relates to the technical field of microfluidic channel structures. The invention discloses a microfluidic channel system with a high aspect ratio as well as a process for producing the microfluidic system. The process according to the invention enables... | 01/02/2007 |
| 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 |
