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7320259 |
Pipette tip for easy separation
A pipette tip is provided including sidewall having a distal end and a proximal end. The sidewall extends from the proximal end to the distal end and defines a surface around a center axis. The...
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7314598 |
Dispenser and dispensing device
A dispenser has a pressure sensor enabled to detect a pressure precisely by forming a pressure sensor integrally with a syringe constructing a nozzle to thereby eliminate a pipeline or the like....
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7303728 |
Fluid dispensing device
The invention concerns a fluid dispensing device, characterised in that it comprises: a dispensing member ( 10 ) including: a conduit ( 42, 44 ) allowing through a transporting liquid ( 52 ), a...
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7284453 |
Method and apparatus for maximizing liquid aspiration from small vessels
Apparatus and method for aspirating liquid from a container, e.g., a test tube or other vessel, includes apparatus for sensing that an aspiration probe tip is contacting the inside bottom wall of...
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7267801 |
Pipette tip box shucking method and apparatus
The present invention provides an improved apparatus and method for loading tips onto a pipettor. A means for applying removal force on the pipette tip box is provided so as to ensure that the box...
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7267800 |
Drainage system
In a system for sucking and discharging a solution from a vessel (micro-plate assembly 6 ) by suction nozzles 2 , processes for suction, discharge, separation, etc. can be carried out with use of...
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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...
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7198758 |
Microarraying head and microarrayer
A microarraying head 51 has a base portion 57 and a plurality of needles 53 . The needles 53 are arranged in parallel with one another on the base portion 57 . The needles 53 place a...
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7160511 |
Liquid pipetting apparatus and micro array manufacturing apparatus
A liquid pipetting apparatus for dispensing liquid of minute volume for use in a survey instruments of a hemanalysis machine, a genetic screening, and a pharmaceutical screening, etc., is...
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7141786 |
Particle sampling preconcentrator
An apparatus is provided for identifying trace amounts of substances of interest in an air flow. The apparatus includes an inlet for receiving the air flow and an outlet for exhausting major...
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7135146 |
Universal non-contact dispense peripheral apparatus and method for a primary liquid handling device
A removable secondary liquid dispensing module for use with an existing, automated liquid handling system that defines a work area having a plurality of discrete work stations. Each of the work...
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7125727 |
Sample handling tool with piezoelectric actuator
A material handling tool includes a piezoelectric motor that causes actuation of a needle. Actuation of the needle may include aspiration and/or dispensing of a fluid sample and/or movement of the...
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7125521 |
Method to solve alignment mark blinded issues and technology for application of semiconductor etching at a tiny area
A method of unblinding an alignment mark comprising the following steps. A substrate having a cell area and an alignment mark within an alignment area is provided. An STI trench is formed into the...
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7105130 |
Adjustable pipette
A pipette includes a housing defining a suction chamber. A piston is configured to move in the suction chamber. A first retainer mechanism includes a first threading configured to limit a motion of...
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7100460 |
Concentric tube microplate autosample interface
In accordance with an illustrative embodiment of the invention, a system for obtaining a fluidic sample from a container is presented. The container defines a volume for holding the sample, the...
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7077018 |
Cleanable volume displacement pipetter
A volume displacement pipette that includes a channel within the piston. The channel allows for cleaning fluids to be continuously run through the pipette tip for cleaning the tip. One end of the...
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7071000 |
Method for sampling reaction products
A method for sampling reaction products includes delivering a reactant through a sampling probe to contact a substance deposited on a substrate and reacting the reactant to form a reaction product....
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7025933 |
Microarray dispensing with real-time verification and inspection
A microarrayer for spotting solution onto a receiving surface in an automated microarray dispensing device. Elements of the present invention include: at least one dispense head for spotting the...
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6989132 |
Liquid transfer apparatus and reaction vessel
A capillary 1 is moved to a position above a vessel 17 having a solution 15 stored therein. Then, the vessel 17 is raised while the inside of a tube 5 is opened to an ambient pressure...
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6982063 |
Automated pipetting system
A highly automated, high volume multichannel pipetting system which transfers liquid from mother plates to daughter plates, or from a fill station to daughter plates. The mother plates are stacked...
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6979425 |
High capacity microarray dispensing
A high capacity microarrayer for spotting solution onto slides in an automated microarray dispensing device. A microplate indexing device automatically moves, in sequence, a plurality of...
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6977062 |
Automatic pipette identification
Mechanisms are provided for automatically removing tips from a pipette nozzle and/or for detecting the type of tip mounted to the nozzle. For detipping, mechanical energy is stored when the tip is...
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6923938 |
Hand-held pipettor
A hand-held pipettor comprising a piston received in one end of a cylinder, a pipettor tip removably secured to an opposite end of said cylinder, means for reciprocating said piston through a...
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6913933 |
Fluid dispensing algorithm for a variable speed pump driven metering system
A method for improving the fluid dispense rate in a metering system utilizing speed includes the steps of modifying the fluid flow rate profile during a portion thereof so as substantially increase...
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6905657 |
Methods and devices for storing and dispensing liquids
In a liquid handling system including a liquid handling substrate having a plurality of channels for conducting a liquid sample in said substrate, where the channels terminate in a plurality of...
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6902704 |
Injection pump assembly for a combinatorial reactor and related method
An injection pump assembly 10 in a chemical delivery system for simultaneously delivering reagents into a combinatorial reactor system having multiple injectors. The assembly 10 has a plurality...
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6875402 |
Micropipette, dispenser and method for producing biochip
A micropipette usable for producing a biochip inclusive of DNA micro arrays capable of arraying and fixing droplets of a micro-volume on a substrate in a high density includes a main body, at least...
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6864091 |
Sampling probe
A sampling probe for delivering a reactant to a substance deposited on a substrate to form a reaction product and for transporting the reaction product to a product analyzer for analysis. The probe...
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6852283 |
Substance transfer device
A work station for simultaneously performing multiple assays includes a base structure, a receptacle rack assembly received within a receptacle rack well formed in the base structure, a pipette tip...
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6848633 |
Spray device
In an aspirating and dispensing/spraying device, a holder is screwed onto a tube, connected to a liquid supply line, in such a way that it is displaceable along the tube by rotation. The tube is...
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6846456 |
Assay work station
A work station for simultaneously performing multiple assays includes a base structure, a receptacle rack assembly received within a receptacle rack well formed in the base structure, a pipette tip...
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6833114 |
Pipette with tip ejector
The invention relates to a pipette for transferring liquids, comprising the following: at least one piston-cylinder arrangement ( 3, 4 ), in which the cylinder ( 4 ) is arranged in such a way that...
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6814936 |
Pipette assembly having a small volume disposable tip
A pipette assembly ( 10 ) having a suction device ( 12 or 52 ) and a small volume disposable tip ( 14 ) having a capacity with a range of 0.1 μl to 2.0 μl, the disposable tip being removably...
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6803021 |
Device for receiving and discharging a given amount of liquid
The invention relates to a device for receiving and discharging a given amount of liquid, comprising agitating means ( 2 ) arranged on one end (E 1 ) of a capillary ( 1 ) and a diaphragm ( 3 ) in...
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6793891 |
Pipettor and externally sealed pipette tip
A pipettor uses no pistons in order to provide highly automated, precise and accurate pipetting operations. Additionally, a self-aligning pipette tip enables better engagement of such pipette tips...
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6787367 |
Suction device
A method for detaching a barrier means adapted to the end part of the suction device for closing an opening in the end part by the movement of a plunger intended for changing the volume of a...
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6780648 |
Method and system for selectively distributing luminescence material precursors
A method comprises positively displacing a first candidate luminescence material precursor from a dispenser to a first position of an array, displacing a second candidate luminescence material...
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6773927 |
Pipetting apparatus and a method of pipetting a liquid
A position of a piston fluid-tightly sliding along an inner surface of a pipette is instantaneously changed by a short distance to jet a portion of a liquid in the pipette through the nozzle of the...
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6758106 |
Liquid proportioning method and apparatus for implementing the method
A liquid proportioning method using a chamber for a gas and a reception volume connectable thereto for a liquid with an aperture to the environment, wherein a desired volume is predetermined for...
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6740295 |
Method and device for detecting the type of replaceable piston-cylinder units for pipetting or dosing apparatus
A method for detecting the type of replaceable piston-cylinder unit mounted in pipetting or dosing apparatus with the help of a code marking on the piston rod head, so as to eliminate the influence...
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6734026 |
Pipette gun and holster assembly
A pipette gun and holster apparatus having a remote source of positive and negative air pressure. The holster supports the pipette gun above a work table with the pipette connector oriented...
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6723289 |
Fluid transfer device
The present invention relates to a cap which can form an essentially leak-proof seal with a vessel capable of receiving fluid specimens for clinical analysis and diagnosis. To minimize potentially...
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6713021 |
Dispensing method and assembly for liquid droplets
A dispensing assembly for liquid droplets that includes a dispenser connected to a liquid carrying pipe which in turn is connected to a source of pressurized liquid. The dispenser has an elongated...
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6709872 |
Method and apparatus for dispensing low nanoliter volumes of liquid while minimizing waste
There is provided a method and apparatus for aspirating a volume of liquid into a syringe from a sample of the liquid. A substantial portion of the liquid in the syringe is subsequently dispensed...
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6706245 |
Three stage needle for use with an autosampler
A three stage needle for use with a sampling station of an autosampler to facilitate gas and liquid extractions and injections. The needle includes a bottom stage, a middle stage, and a top stage....
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6691748 |
Container transfer and processing system
An object is to provide a container transfer and processing system which can simplify total construction and control, does not increase time and cost in manufacturing and use, which is easy to use,...
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6684720 |
Autosampler syringe with compression sealing
A fluid transfer device includes a cylinder and a displacement rod. The cylinder is fabricated rigid enough to minimize distortion of volume yet compliant enough to create a seal between itself and...
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6674022 |
Apparatus and method for transferring and weighing powder materials using pipette transfer devices
The present invention provides an apparatus for automatically transferring and weighing a powder material. The apparatus comprises a weigh station including a device for weighing the powder...
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6669909 |
Liquid droplet dispensing
A dispenser ( 1 ) for liquid droplets of the order of 30 μl or less in volume. The dispenser ( 1 ) comprises a metering valve body ( 2 ) having a main bore ( 3 ) connected by a pipe ( 4 ) to a...
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6627160 |
Multiple channel pipetting device
A multiple channel pipetting device and pipette shaft, in which each pipette shaft has a circumferential seal receptacle inside, at its upper end in which the circumferential plunger seal is...
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