Matches 1 - 34 out of 34


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8080202 Component separating device and chemical analysis device using the same  
A vibrator has a large strength of a standing wave even with a low driving voltage, thereby improving the accuracy of component separation. A device according to the present invention includes a...
8026104 Transient decay amperometry  
A biosensor system determines an analyte concentration of a biological sample using an electrochemical process without Cottrell decay. The biosensor system generates an output signal having a...
7910074 System and method for continuously transferring and processing liquids  
A liquid transfer system for transferring liquid from a plurality of containers to a plurality of destinations comprises a plurality of inlet valves. Each inlet valve is operable between an open...
7910073 Microfluidic system  
The microfluidic system is constituted of modules that comprise one microfluidic unit and one corresponding electric control unit each and that are retained on a rear panel unit next to each other...
7850921 Dispenser, reagent dispenser and sample analyzer  
The present invention is to present a dispenser which is capable of heating a liquid to an approximately constant temperature in the same time regardless of an aspiration amount of the liquid. The...
7780830 Electro-wetting on dielectric for pin-style fluid delivery  
A method of delivering fluid can include using electro-wetting effects to pick-up, transport, and/or deliver discrete volumes of fluid. Voltage can be applied across a fluid contact area having a...
7775246 Bio-ejector filling stops to facilitate efficient filling  
Disclosed is a small volume, liquid dispenser having particular application in the analytical fields. The liquid dispensers can be quickly and reliably filled to a predetermined volume without...
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 valve...
7244397 Digital burette and method for displaying the dose volume in said digital burette  
The invention relates to a digital burette having a manual drive for suctioning and applying an adjustable dose volume, a gear unit connected downstream and a digital display device controlled...
6841129 Liquid dispensing and/or aspirating device to be operated manually repeatedly  
A liquid dispensing and/or aspirating device to be operated manually repeatedly, having a controlling device, a motor drive, control electronics, a manually actuatable actuating element, and a...
6551558 Method and device for liquid transfer with an analysis apparatus  
The invention concerns a liquid transfer device for an analysis apparatus with a liquid transfer cannula (5) and a capacitive liquid level detector to detect the immersion of the liquid transfer...
6328934 Device for detection of when a test probe gets into contact with a liquid surface  
A device for detection of when at test probe of conducting material contacts a liquid surface includes a test probe of conducting material. The test probe is electrically screened by an insulated...
6322752 Method and apparatus for aspirating and dispensing liquids  
A method and apparatus for aspirating and dispensing precise volumes of liquid, e.g. whole blood, comprises an aspiration probe or needle having an internal volume precisely equal to a desired...
6299841 Bilaterally symmetrical battery powered microprocessor controlled lightweight hand-holdable electronic pipette  
A bilaterally symmetrical lightweight hand holdable battery powered microprocessor controlled electronic pipette including an axially elongated hollow housing having a vertically extending...
6254832 Battery powered microprocessor controlled hand portable electronic pipette  
A battery powered, microprocessor controlled portable electronic pipette, comprising a hand holdable housing supporting a battery, a linear actuator for driving a plunger lengthwise in a cylinder...
6218193 Precision small volume fluid processing apparatus and method  
A high precision, small volume fluid processing system employs open ended capillary tubes to meter, aliquot and mix small volumes of sample fluid and reagents. The system has an automatic mechanism...
5855851 Apparatus for trasferring liquid having liquid level sensing function  
The present invention relates to an apparatus for transferring a liquid capable of accurately performing detection of a liquid level using a pipetting probe even in a case of a high electric...
5785926 Precision small volume fluid processing apparatus  
A high precision, small volume fluid processing system employs open ended capillary tubes to meter, aliquot and mix small volumes of sample fluid and reagents. The system has an automatic mechanism...
5582798 Volume sensing device  
A volume sensing device for determining the volume of liquid present in a standard plastic disposable pipette during a pipetting operation, which operation can be an aspiration or dispensing of...
5536474 System for transferring samples under pressure  
Fluids kept under high pressure in one or several balancing cells (C1, C2) inside a thermostat-controlled enclosure (14) at about 200° C. are extracted by introducing into the enclosure a sampling ...
5304347 Liquid transfer device for an analysis unit  
Liquid transfer device for an analysis unit with a capacitive liquid level detector (10) for detecting the dipping of a liquid transfer needle (5) into an analysis liquid (4). More reliable...
5045286 Device for aspirating a fixed quantity of liquid  
A device for injecting a fixed quantity of sample liquid is provided with a unit for aspirating and injecting sample liquid. The sample aspirating and injection unit has a nozzle connecting...
5002737 Electrically operated pipette  
The invention relates to an electrically operable pipette comprising a body member with upper and lower portions and a removable flanged cylinder assembly coupled to the lower portion of the body...
4988481 Electrical pipette  
The invention relates to a pipette in which a piston is reciprocated in a cylinder by means of an electric motor. The pipette is preferably provided with a volume adjustment nut comprising locking...
4957706 Device for preserving sterility during sampling from culture medium containers  
A device for preserving sterility during the taking of samples for analysis from culture medium containers. This device comprises a holder containing a sampling chamber which encloses a sliding...
4944922 Quantitative dispenser for a liquid  
A quantitative dispenser for a liquid includes a pipette having a downwardly directed nozzle which serves to pick up and deliver a predetermined quantity of a liquid and a mechanism for moving the...
4897244 Apparatus and methods for analyzing fluids  
Apparatus and methods for analyzing fluid such as blood serum. A probe used for transferring some of the fluid to a testing station causes a change in circuit capacitance when the probe contacts...
4818492 Capacitive liquid level sensor for automatic chemical analyzer  
A capacitive liquid level sensor for an automatic chemical analyzer, wherein a pipetting tube approaches a liquid level of the sample to be analyzed and is electrically connected to one terminal of...
4237095 Tip vessel for use in connection with a dosage pipette  
A disposable pipette tip vessel intended for use in connection with a dosage pipette. The lowest point of the tip vessel has a hole for suction of the liquid to be pipetted into the tip vessel and,...
4101283 Disposable reagent container and actuation mechanism  
A pipetter diluter for sampling and delivery of a volumetric material. The pipetter diluter has a sampling and delivery tip connected to a cylindrical container. A threaded plunger is rotated by...
3713774 METHOD AND APPARATUS FOR TITRATING LIQUIDS  
Apparatus for dosing from a titrant reservoir and transferring or metering discrete quantities of the titrant to an unknown sample. An electric analog signal is generated in response to liquid...
3567398 SEMI-AUTOMATIC PIPETTING AND DILUTER DEVICE  
3184122 Semi-automatic dilution pipette  
2979385 Analyzer and method of control  
Matches 1 - 34 out of 34