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Patent Searching and Data


Matches 501 - 550 out of 1,741

Document Document Title
WO/2003/048389A2
Test apparatus includes sample receiving means operable to receive a sample to be tested, sample manipulating means operable to manipulate a received sample, reagent receiving means operable to add to the received sample a reagent and re...  
WO/2003/045556A2
An active matrix microfluidic platform employs thin film transistor active ('TFT') matrix liquid crystal display technology to manipulate small samples of fluid for chemical, biochemical, or biological assays without moving parts, for ex...  
WO/2003/046381A1
A multilayer ceramic micropump (10) including a monolithic ceramic package (13) formed of a plurality of ceramic layers (12) defining therein an integrated first ball check valve (14), and a second ball check valve (30) in microfluidic c...  
WO2002069016A3
Devices utilize elements carried by a fluid (4506) in a microchannel (4504) to switch, attenuate, shutter, filter, or phase shift optical signals. In certain embodiments, a microchannel carries a gaseous or liquid slug that interacts wit...  
WO/2003/031817A1
A medium and high pressure pump systems supplies a cryogenic fluid from a storage tank and methods of operating such systems to remove both liquid and vapor from the storage tank to reduce the need for venting. The system comprises a pum...  
WO/2003/028862A1
The present invention provides a pump for generating an Electroosmotic Flow (EOF) in a solution in a canal, guide, pipe or equivalent. Electroosmotic flow is generated by application of an electric field through a solution in a canal def...  
WO/2003/029731A2
A micro heat exchanger (200) comprised of an electroosmotic pump (300) and a heat producing device (50).  
WO2002091028A3
The present invention relates to the use colloidal particles to realize photonic and microfluidic devices. In particular embodiments, colloidal particles are used to realize microfluidic a two-way valve, three-way valve, check valve, thr...  
WO/2003/028861A1
The present invention provides a pump for generating an Electroosmotic Flow (EOF) in a solution in a canal, guide, pipe or equivalent. Electroosmotic flow is generated by application of an electric field through a solution in a canal def...  
WO/2003/023225A1
A free-piston engine includes at least one dual piston assembly, each of which has a pair of axially opposed combustion cylinders (12) and free-floating combustion pistons (13, 14) respectively mounted in the combustion cylinders for rec...  
WO2003012406A9
The present invention relates to a system and method for moving samples, such as fluids, within a microfluidic system using a plurality of gas actuators (168, 170, 172) for applying pressure at different locations within the microfluidic...  
WO2002094440A3
A microchip integrated microfabricated, microfluidic, multichannel, preferably electroosmotic pump. The pump (10) comprising a plurality of microchannels (12), which begin and end in common compartments (14, 16), complexed into an array....  
WO2002090770A3
A microfluidics liquid dispensing unit comprises: a housing containing a liquid reservoir, the liquid reservoir having an ejection port. The liquid reservoir contains a test fluid in fluid contact with ejection port and further contains ...  
WO2002101242A3
A compressor (12) with a capacity modulation system (10) includes a compression chamber (30), a rotatable shaft (20) within the compression chamber (30), and a roller (32) mounted on the shaft (20) in contact with a wall of the compressi...  
WO/2003/012406A1
The present invention relates to a system and method for moving samples, such as fluids, within a microfluidic system using a plurality of gas actuators (168, 170, 172) for applying pressure at different locations within the microfluidic...  
WO/2003/012325A1
A valve (50) includes a substrate defining an upstream channel (52) and a downstream channel (54) joined by a conduit defined by a first opposed wall (74) disposed at an angle to the central axis (60) of the upstream channel (52). At lea...  
WO/2003/008102A1
A microfluidic system employs a microchannel and a gravity driven pump comprising horizontally oriented fluid supply reservoirs which supplies fluid to the microchannel at a substantially constant rate. The device is useful for numerous ...  
WO/2002/103210A1
Disclosed is a nanopump for pumping small volumes of electrolyte solution under the control of a voltage source. The device includes a chamber and a nonopore membrane which partitions the chamber into upstream and downstream regions. Whe...  
WO/2002/102498A1
A self-contained delivery device for delivering a selected volume of stored electrolyte solution at selected time intervals is disclosed. The device includes a housing having a delivery port, and contained within the housing, a chamber c...  
WO2002079703A3
The present invention discloses a miniature thermodynamic device that can be constructed using standard micro-fabrication techniques. The device can be used to provide cooling, generate power, compress gases, pump fluids and reduce press...  
WO/2002/101242A2
A compressor (12) with a capacity modulation system (10) includes a compression chamber (30), a rotatable shaft (20) within the compression chamber (30), and a roller (32) mounted on the shaft (20) in contact with a wall of the compressi...  
WO2002053921A3
A device (2) for moving a fluid in a fluidic system. The device may include one or more controllably openable closed chambers (10). The pressure within the closed chamber(s) (10) is lower than ambient pressure outside the fluidics system...  
WO2002027294A3
The invention relates to a biochip comprising a sensor unit for measuring the components of body fluids or cell cultures, especially for measuring the components of capillary, venous or arterial blood. The biochip is provided with a micr...  
WO/2002/094440A2
A microchip integrated microfabricated, microfluidic, multichannel, preferably electroosmotic pump. The pump (10) comprising a plurality of microchannels (12), which begin and end in common compartments (14, 16), complexed into an array....  
WO/2002/091028A2
The present invention relates to the use colloidal particles to realize photonic and microfluidic devices. In particular embodiments, colloidal particles are used to realize microfluidic a two-way valve, three-way valve, check valve, thr...  
WO/2002/090770A2
A microfluidics liquid dispensing unit comprises: a housing containing a liquid reservoir, the liquid reservoir having an ejection port. The liquid reservoir contains a test fluid in fluid contact with ejection port and further contains ...  
WO/2002/081867A1
An ultrasonic pump (1) in which a medium is pumped by the interaction between longitudinal acoustic waves and the medium in a flow-chamber (12). The pump comprises a transducer (6) and an associated chamber for providing a controllable, ...  
WO/2002/079703A2
The present invention discloses a miniature thermodynamic device that can be constructed using standard micro-fabrication techniques. The device can be used to provide cooling, generate power, compress gases, pump fluids and reduce press...  
WO/2002/068821A2
Devices and methods utilizing dielectric pumping and variable dieletric pumping to move fluids through microchannels. Two fluids having dissamilar dielectric constants form an interface that is positioned between two electrodes in order ...  
WO/2002/069016A2
Devices utilize elements carried by a fluid (4506) in a microchannel (4504) to switch, attenuate, shutter, filter, or phase shift optical signals. In certain embodiments, a microchannel carries a gaseous or liquid slug that interacts wit...  
WO2002029106A3
A microfluidic device comprises pumps, valves, and fluid oscillation dampers. In a device employed for sorting, an entity is flowed by the pump along a flow channel through a detection region to a junction. Based upon an identity of the ...  
WO/2002/053921A2
A device (2) for moving a fluid in a fluidic system. The device may include one or more controllably openable closed chambers (10). The pressure within the closed chamber(s) (10) is lower than ambient pressure outside the fluidics system...  
WO2002006065A3
A new inflating device (10) and method for inflating an inflatable object are described. The inflating device includes two compartments: one (1) containing a gas-generating agent and the other (12) containing an activating agent. When mi...  
WO/2002/040865A1
An apparatus comprising adjacent first and second chambers (4, 6) which communicate via a connecting aperture (14) at their interface, and means (10) for supplying the first chamber (4) with fluid to a pre-determined level, the second ch...  
WO2002007292A3
An electrohydrodynamic (EHD) conduction pump is provided for pumping dielectric liquids, and a particular adaptation for mass transport of isothermal and non-isothermal single phase liquids. The EHD conduction pump does not require direc...  
WO/2002/029106A2
A microfluidic device comprises pumps, valves, and fluid oscillation dampers. In a device employed for sorting, an entity is flowed by the pump along a flow channel through a detection region to a junction. Based upon an identity of the ...  
WO/2002/027294A2
The invention relates to a biochip comprising a sensor unit for measuring the components of body fluids or cell cultures, especially for measuring the components of capillary, venous or arterial blood. The biochip is provided with a micr...  
WO/2002/018785A1
According to the present invention, there is provided a micro-fluidic sensor system (6) including a micro-conduit (56) for carrying fluid therethrough having a flexible wall portion (18), at least one micro-fluidic actuator having a clos...  
WO2001070397A3
An improved microfluidics device and system for sample loading and injection are disclosed. The device includes three main channels--a separation channel, supply channel, and drain channel--for use in loading and injecting a sample from ...  
WO/2002/016046A1
Liquid is introduced into a channel (12), of cross sectional dimension of the order of 10 microns to 100 microns, of a micro-fluidic device by creating electrically charged aerosol droplets, of diameter of the order of 1 or 2 microns, at...  
WO/2002/010590A1
A resonator pump system (10) includes a resonating structure (14) configured for resonating, and a fluid pump (18) coupled to and driven by the resonating structure. An energy source (60) is operatively coupled to the resonating structur...  
WO/2002/007503A1
An apparatus and method for micropumping is disclosed. The apparatus (100) comprises a virtual or physical microchannel (106) and at least two hydrophobic electrode patches (104A-104G) on a surface (102) or two electrode patches disposed...  
WO/2002/006065A2
A new inflating device (10) and method for inflating an inflatable object are described. The inflating device includes two compartments: one (1) containing a gas-generating agent and the other (12) containing an activating agent. When mi...  
WO/2002/007292A2
An electrohydrodynamic (EHD) conduction pump is provided for pumping dielectric liquids, and a particular adaptation for mass transport of isothermal and non-isothermal single phase liquids. The EHD conduction pump does not require direc...  
WO/2001/094017A1
The invention relates to a method for specific, directed manipulation of small quantities of materials on solid surfaces. According to said method, surface waves are generated with at least one surface wave generation device and the impu...  
WO2000057173A9
A fluidic driver system for use with a cartridge in a microfluidic analysis instrument. The driver system includes linear pumps, differential pumps, fluidic capacitive filters, and face seal assemblies which act to provide a consistent a...  
WO/2001/070397A2
An improved microfluidics device and system for sample loading and injection are disclosed. The device includes three main channels--a separation channel, supply channel, and drain channel--for use in loading and injecting a sample from ...  
WO/2001/037960A1
Femtoliter to milliliter volumes of one or a plurality of different liquids are accurately dispensed electrokinetically without any direct electrical contact with such liquid(s). This is accomplished with apparatus which creates an elect...  
WO/2001/033133A1
Arrangement in a lubricant pump (1) comprising a housing (6) equipped with outlets (9) and lubricant chamber (2). An electrical arrangement (19) is adapted to drive an axially displaceable piston (12) in an axial cylindrical bore in the ...  
WO/2001/003911A1
A new composition, method, and apparatus for sealing and inflating a flat tire are described. The new composition includes a gas-generating agent and an activator, along with a sealant. In use, a gas propellant is generated in situ when ...  

Matches 501 - 550 out of 1,741