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| Number | Title | Issue Date |
| 8128892 | Programmable multi-channel pipettor with repositionable tips A hand-held, multi-channel pipettor has an electronically controlled motor to reposition pipette tips for different center to center spacing. Each repositionable tip fitting assembly has a cam following pin that is driven by cam tracks in a motor driven roller drum.... | 03/06/2012 |
| 8051726 | Liquid handling equipment A pipette [1] is equipped with a jet [10] and handpiece [6]. A piston assembly, housed within the pipette [1], at one end has a seal [9] affixed to a rigid section [2] which extends to a flexible section [4]. At the j... | 11/08/2011 |
| 8029742 | Multi-channel pipettor with repositionable tips A hand-held, multi-channel pipettor has an electronically controlled motor to reposition pipette tips for different center to center spacing. Each repositionable tip fitting assembly has a cam following pin that is driven by cam tracks in a motor driven roller drum.... | 10/04/2011 |
| 7939031 | Automated pipette machine A pipette nozzle is provided for use on a movable arm on an automated pipette machine. The pipette nozzle includes a body defining a passage therethrough. At least two seating surfaces are provided on the body, including a first seating surface and a second seating ... | 05/10/2011 |
| 7935317 | Handheld and/or mountable fluid-ejection device receptive to tip containing fluid and fluid-ejection mechanism A fluid-ejection device includes a handheld and/or mountable enclosure, a pneumatic fitting, an electrical connector, and a controller. The pneumatic fitting extends from and/or through the enclosure and is receptive to placement of a tip thereon. The tip contains a... | 05/03/2011 |
| 7694591 | Method and apparatus for evaluating a dosing operation During a method of evaluating a dosing operation, carried out by means of a dosing pump, for dosing a liquid medium in a vessel, filled at least partially with a gas, a pressure profile of the gas, present in the vessel, is detected at least periodically during the ... | 04/13/2010 |
| 7690274 | Pipette with a tip removing mechanism The invention relates to a pipette, comprising a tip remover element which, upon moving it against a tip, disengages the tip. The remover element is operated with a mechanism, comprising a rotatable ramp member which is provided with a circle-forming ramp surface, i... | 04/06/2010 |
| 7587952 | Automated sampling system A sample carrier having a top wall, a base, and a support wall joining the top wall and the base. The top wall includes aligned, spaced-apart openings on at least one side of the support wall which are sized to receive sample tubes. Sleeves depending from the top wa... | 09/15/2009 |
| 7438858 | Dispensing 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 body member having a main bore connected to the liquid carrying pipe.... | 10/21/2008 |
| 7438860 | Droplet discharging head and microarray manufacturing method It is an object of the present invention to provide a droplet discharging head suited to the discharge of a sample solution, and particularly one that contains a bio-related substance. This object is achieved by a droplet discharging head 1 for discharging a ... | 10/21/2008 |
| 7434483 | Sample pipette Sample pipettes used in particular for injecting samples into high pressure liquid chromatography apparatuses, which are provided with a hollow needle for drawing a sample and expelling same into a container or into a sample receiving device of the apparatus. An int... | 10/14/2008 |
| 7427379 | Liquid dispensing apparatus A liquid dispensing apparatus comprises a liquid reservoir (32), an outlet port (6; 36) and driving means for forcing liquid (4) through the outlet port (6, 36). The driving means generates a pulse of gas which impinges upon the liquid ( | 09/23/2008 |
| 7418880 | Sample collector using a syringe with a side port in the barrel A modified syringe collects samples of a fluid without removing volatile compounds by forming a vacuum within a sample collection vial. A fluid sample is drawn into the collection vial by means of the applied vacuum. ... | 09/02/2008 |
| 7416706 | Level sensor apparatus for detecting contact of a pipetting needle with a liquid in a vessel A level sensor apparatus is disclosed for detecting contact of a pipetting needle with a liquid contained in a vessel. The apparatus includes a sensor head made up of a pipetting needle, a needle holder, and an electromechanical transducer. The sensor head also has ... | 08/26/2008 |
| 7416705 | Spotting device for manufacturing DNA microarray and spotting method using the same A spotting device for manufacturing a DNA microarray and a spotting method using the same are provided. The spotting device for dropping and immobilizing a solution of biomolecules, for example nucleic acids such as probe DNA, mRNA, and peptide nucleic acid (PNA), a... | 08/26/2008 |
| 7409880 | System useful for holding a sample and in subjecting the sample to chromatographic analysis A robotic system for handling components during chromatographic analysis of a sample includes a holder for positioning a sample within a separation pathway, the holder including a first opening having an internally tapered shape and a second opening having an extern... | 08/12/2008 |
| 7402286 | Capillary pins for high-efficiency microarray printing device This invention provides improved components (e.g. array “pins”, print head, substrate platen, print head platen, and the like) for microarray printing devices as well as microarray printing devices incorporating such components. In one embodiment, this invention... | 07/22/2008 |
| 7398703 | Process for the estimation of volatile substances in a sample A process for the estimation of volatile substances which comprises the steps of: (i) heating distilled water in a flask to a first temperature, (ii) adding the sample to be tested into said heated water, (iii) closing the flask, (iv) maintaining the flask containin... | 07/15/2008 |
| 7396512 | Automatic precision non-contact open-loop fluid dispensing A rugged, all-electronic fluid dispensing system for use with pipettes or in other contexts indirectly measures fluid flow by using a non-linear system model to correlate vacuum existing at the top of a column of suspended fluid. Non-contact operation is provided to... | 07/08/2008 |
| 7390458 | High throughput processing system and method of using Briefly, the present invention provides a system and method for high throughput processing using sample holders. The system has a plurality of work perimeters, with a rotational robot preferably associated with each work perimeter. At least one transfer station area... | 06/24/2008 |
| 7377189 | Sampling device and method for an automatic analyser A method and device for an automatic analyzer, in particular for blood analysis sampling consists in displacing a sampling needle (5) rotatable around an axis (X2) which forms an angle with the sampling needle. The method and device are particularly su... | 05/27/2008 |
| 7378058 | Method and apparatus for modifying pressure within a fluid dispenser A fluid dispenser useful in methods and apparatuses for automated biological reaction systems including a barrel, a coupler, a piston associated with the barrel, and a sealing surface that seals the inner diameter against fluid flow at the lower extent of the piston... | 05/27/2008 |
| 7374720 | Control device for automatic liquid handling system In reagent reaction experiments using microplates, the operator cannot just set dispensing tips in all the fixing holes of the dispensing tip container. It is necessary to carry out the time-consuming task of deciding in advance on a suitable arrangement of position... | 05/20/2008 |
| 7361312 | Nozzle tip for pipetting apparatus In an improvement of a nozzle tip for a pipetting apparatus which is adapted to be removably attached to a nozzle base of the pipetting apparatus, the nozzle tip includes a head portion having an opening adapted to fit onto the nozzle base, a cylindrical portion ext... | 04/22/2008 |
| 7344680 | Pipette and process for producing a pipette A pipette has a preferably thermoplastic pipette shaft, for slipping on a likewise preferably thermoplastic pipette tip, has a slip-on section which opens at least slightly conically, and an attachment section which is formed on the lower end of the pipette shaft an... | 03/18/2008 |
| 7340957 | Ultrasonic analyte concentration and application in flow cytometry The present invention includes an apparatus and corresponding method for concentrating analytes within a fluid flowing through a tube using acoustic radiation pressure. The apparatus includes a function generator that outputs a radio frequency electrical signal to a... | 03/11/2008 |
| 7335337 | Ergonomic pipette tip and adapters An ergonomically designed pipette tip that can be securely mounted to a barrel of a pipetter yet is designed to substantially reduce the axial force necessary to install and eject the pipette tip from the pipetter. The ergonomic pipette tip includes molded-in expans... | 02/26/2008 |
| 7320260 | Pipetting device with a displacement device and a drive device releasably connected therewith Pipetting device with a displacement device with a displacement chamber with a displaceable limiter, a attachment for connecting to a pipette tip and a connecting channel between the displacement chamber and the free end of the attachment, a drive device for driving... | 01/22/2008 |
| 7267479 | Magnetic coupler for holding a magnetic pumping or mixing element in a vessel A kit for assisting in the set-up of a fluid pumping or mixing system including a superconducting element capable of reaching a transition temperature during a field cooling process is disclosed. In one embodiment, the kit comprises at least one pumping or mixing el... | 09/11/2007 |
| 7264779 | Pipette with tip ejector The sampling pipette includes an ejector arm for separating from the pipette a cone that is fixed to the pipette. The pipette includes adjustment means enabling the length of the arm to be varied continuously over a range of values. ... | 09/04/2007 |
| 7258480 | Apparatus for mixing liquid samples using a two dimensional stirring pattern A method for rapidly and uniformly mixing solutions within a biochemical analyzer by rapidly and repeatedly moving a sampling probe in a two-dimensional boomerang-curved pattern within the solution. ... | 08/21/2007 |
| 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 thereby for setting the dose volume. The control comprises an incremental... | 07/17/2007 |
| 7219566 | Automatic sampler An automatic sampler for automatically sampling liquid samples to be introduced into apparatuses that analyze liquid samples, such as liquid chromatographs, includes a needle with a tapered tip end for suctioning and ejecting liquid, a mechanism for moving the needl... | 05/22/2007 |
| 7219816 | Easily sealed and opened pre-filled, disposable pipette A pre-filled disposable pipette (10) consisting of a hollow bulb (12) dimensioned to enclose a medicinal product. From a lower end (16) of the bulb (12) is attached sequentially a medicinal transfer tube (24) and a medication fill ... | 05/22/2007 |
| 7208124 | Microarraying process and apparatus A high throughput microarraying or colony picking robot with an automatic mechanism for exchanging pin heads and an automated washing and drying apparatus. The robot allows a dirty pin head to be deposited on the automated washing and drying apparatus for cleaning w... | 04/24/2007 |
| 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 solution on substrates 3 with the to... | 04/03/2007 |
| 7192558 | Multi-well rotary synthesizer An apparatus for synthesizing polymer chains includes a controller, a plurality of precision fit vials circularly arranged in multiple banks on a cartridge, a drain corresponding to each bank of vials, a chamber bowl, a plurality of valves for delivering reagents to... | 03/20/2007 |
| 7182915 | Pipette configurations and arrays thereof for measuring cellular electrical properties The present application is directed to pipette configurations, arrays of the same and methods for using such pipettes and arrays to accomplish electrical measurements, including whole cell and on cell measurements. In one aspect of the present invention, a pipette i... | 02/27/2007 |
| 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 disclosed. The liquid pipetting apparatus comprises a liquid holding member fo... | 01/09/2007 |
| 7150998 | Multi-well rotary synthesizer An apparatus for synthesizing polymer chains includes a controller, a plurality of precision fit vials circularly arranged in multiple banks on a cartridge, a drain corresponding to each bank of vials, a chamber bowl, a plurality of valves for delivering reagents to... | 12/19/2006 |
