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| Number | Title | Issue Date |
| 8114361 | Metering device A metering device for utilization with a syringe, which features on a syringe cylinder a fastening portion with at least one axially directed sensing surface projecting from the upside, and at least one alignment nose projecting from the outer perimeter of the faste... | 02/14/2012 |
| RE42606 | Low insertion force tip/mandrel A pipette assembly for automatic pipetting machines including a stepped mandrel and tip for providing a minimum contact seal between the pipette tip and mandrel. The mandrel includes a first cylindrical portion with a first exterior diameter and a second cylindrical... | 08/16/2011 |
| 7870797 | Apparatus and method for aspirating and dispensing liquid A liquid aspirating and dispensing apparatus and method of using the apparatus. Among other elements, the apparatus includes a liquid handling device having one or more channel members, each of which has a removable liquid holding tip attached, and a signal transmit... | 01/18/2011 |
| 7823469 | Sample dispensing apparatus A sample dispensing apparatus dispenses a sample from a container accommodating a sample such as blood or urea sampled for checking. This sample dispensing apparatus can prevent internal contamination of the apparatus due to dripping of the sample and abnormal sucki... | 11/02/2010 |
| 7814805 | 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 and having at least two seating surfaces provided on the body. The first seating surface is configured to receiv... | 10/19/2010 |
| 7526968 | Device for pipetting a liquid A device is disclosed for pipetting a liquid, comprising a pipette body enclosing a pipette volume, into which a fluid medium can be placed and in which an actuator that controllably displaces the medium in the pipette volume is provided, as well as a pipette tip, w... | 05/05/2009 |
| 7444890 | Pipetting device A pipetting device comprises a housing (1) with a handle (2) and a pipette (4) holder assembly (3), wherein the housing (1) end portion (7) incorporates a spherical raceway (16) to which the pipette (4) holding... | 11/04/2008 |
| 7434484 | Pipetting device with an ejection device for pipette tips Pipetting device with a base body, at least one attachment protruding from the base body mounted axially movably on the base body for mounting a pipette tip, a spring via which the attachment is supported on the base, a stop associated with the attachment, beyond wh... | 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 |
| 7387139 | 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 monitoring liquid flows or volumes or filling times. Various versions of ... | 06/17/2008 |
| 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 |
| 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 |
| 7278550 | Method and system for aligning components of a liquid dispensing system In a liquid dispensing system having a dispensing module and a manifold or service block, the manifold includes an vertically oriented interactive portion that extends, for example, outwardly from a front side and the dispensing module includes a correspondingly sha... | 10/09/2007 |
| 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 is dislodged from the pipette tips after the pipette tips have been f... | 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 |
| 7219567 | Combinatorial pipettor device A combinatorial pipettor device for the collection of a sample adapted for use with different size microtiter plates. The device comprises an upper plate having first and second halves, each half independently movable between an upper and a lower position, and a low... | 05/22/2007 |
| 7189369 | Distribution apparatus and method for detaching distribution tip in distribution apparatus In the distribution apparatus and the method for detaching distribution tips of the present invention, the detaching plate provided with openings being larger in diameter than outer diameter of the nozzle and smaller in diameter than outer diameter of the distributi... | 03/13/2007 |
| 7175813 | Volume adjustable manual pipette with quick set volume adjustment A volume adjustable pipette, comprising a plunger mounted for movement in a housing to and from a stop to aspirate a fluid into and dispense the fluid from a tip extending from the housing. An axially moveable volume setting member in the housing defines the stop an... | 02/13/2007 |
| 7171863 | Transfer unit and automatic analyzing apparatus having such transfer unit A transfer unit for transferring members such as reaction vessels having an upper end opening or dispensing tips or the like includes at least one arm pivotally movable about a shaft and a holder mounted on the arm for detachably supporting the member to be transfer... | 02/06/2007 |
| 7159740 | Method and apparatus for parallel dispensing of defined volumes of solid particles A sample preparation system provides an automated process that dispenses appropriate amounts of solid material into wells of a microtiter plate for mixing into a suspension. The system utilizes an array of hollow tubes that are lowered into a particle reservoir such... | 01/09/2007 |
| 7152487 | Nondestructive verification of minimum tensile elongation of manufactured parts The minimum tensile elongation specification of a manufactured part, such as metal castings, forgings and premium mill products, is verified in-situ using a simple, inexpensive, nondestructive apparatus and method in which a through-hole is formed in the part to be ... | 12/26/2006 |
| 7081228 | Apparatus for preparing a fluid sample aliquot A sample aliquot pipette tip (SAT) includes a pipette tip and a sample aliquot cup. The pipette tip is collapsible. The sample aliquot cup is arranged above the pipette tip and is fluidly coupled with the pipette tip. The SAT works in concert with a tip aliquot supp... | 07/25/2006 |
| 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 channel may be closed during normal operation of the pipette. Multiple... | 07/18/2006 |
| 7060226 | Pipette tip packaging and transfer system The pipette tip packaging and transfer system comprises a plurality of receiving plates and a transfer member. Each receiving plate includes a plurality of openings for receiving pipette tips in a substantially vertical alignment at a medial position thereof. The lo... | 06/13/2006 |
| 7047828 | Pipette tip with an internal sleeve and stabilizing projections A pipette tip member has an elongated tubular receptacle including a sidewall with a plurality of stabilizing projections extending from the sidewall for aligning the pipette shaft, and a sidewall with a bifurcated section that includes first, second, and third side... | 05/23/2006 |
| 7033543 | Pipette tip, pipetting device and combination consisting of a pipette tip and pipetting device A pipette device has a coupling stud on which a pipette tip can be stuck in a slipping-on direction for coupling. The coupling stud has an adjustable pre-stress member that can be adjusted into a prestress state and a release state via an actuation device which is p... | 04/25/2006 |
| 6997068 | Foot-operated pipette dispenser A pipette dispenser unit having a hand-held pipette dispenser having a pipette connector and a handle, a source of positive and negative air pressure in fluid connection with said pipette connector, and a foot-operated controller for regulating the flow of air betwe... | 02/14/2006 |
| 6997067 | Liquid sample pipette with detachable ejector The sampling pipette comprises a body and an arm movable relative to the body to eject a cone fixed to the pipette, ejection taking place in a longitudinal direction of the pipette, the arm having both a first portion suitable for coming into contact with the cone, ... | 02/14/2006 |
| 6997066 | Dispensing apparatus A pin support assembly includes a pin support frame having a plurality of apertures for supporting an array of pins for dispensing fluids. The pins are supported for longitudinal or “floating” movement to prevent damage to the pins. An actuation assembly engages... | 02/14/2006 |
| 6994828 | Liquid sample pipette with tip ejecting mechanism The sampling pipette comprises a body; an arm movable relative to the body parallel to a longitudinal direction of the pipette in order to eject a cone fixed to the body; and a button for controlling movement of the arm. The pipette is arranged in such a manner that... | 02/07/2006 |
| 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 until one end 1a of the capillary... | 01/24/2006 |
| 6978689 | Dispensing apparatus having means for loading pipette tips in a dispense head A self contained dispensing head apparatus wherein a modified pipette tip box tray carrier is utilized to furnish pipette tips, carried in a standard pipette tip box, by a pipette tip box tray carrier to the head apparatus and wherein means are provided to engage th... | 12/27/2005 |
| 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 mounted to the nozzle and is released when the tip is to be removed t... | 12/20/2005 |
| 6973845 | Low insertion force tip/mandrel A pipette assembly for automatic pipetting machines including a stepped mandrel and tip for providing a minimum contact seal between the pipette tip and mandrel. The mandrel includes a first cylindrical portion with a first exterior diameter and a second cylindrical... | 12/13/2005 |
| 6967004 | Pipette with improved pipette tip and mounting shaft A pipette tip and mounting shaft combination in an air displacement pipette, the combination comprising a pipette tip mounting shaft having a radially stepped exterior comprising adjacent substantially cylindrical portions of different diameter and an annular sealin... | 11/22/2005 |
| 6959615 | Sample collection and processing device A sample processing device [700] comprises an elongated body [101] with a septum seal [109] on one end and a drip tube [731] on the second end. A small-diameter through-chamber [103] in the body provides a receiving and alignment c... | 11/01/2005 |
| 6955077 | Pipette tip with an internal sleeve and method for forming same A pipette tip member having an elongated tubular receptacle having a sidewall with a bifurcated section that comprises first, second, and third sidewall portions. The first sidewall portion comprises a base wall and the second and third sidewall portions branch ther... | 10/18/2005 |
| 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 selected stroke to aspirate fluid into and to expel the thus aspirated flu... | 08/02/2005 |
| 6910395 | Pipetting device A pipetting device for detachably mountable pipette tips, comprising a moving device, a piston movable by the moving device in a cylinder to displace a column of air, an attachment stem for mounting a pipette tip, with an aperture having a connection to the cylinder... | 06/28/2005 |
