The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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| Number | Title | Issue Date |
| 6663832 | Oligonucleotide synthesizer An apparatus for high-throughput combinatorial syntheses of organic molecules including a reaction vessel for containing a combinatorial-chemistry synthetic reaction, a liquid dispenser for dispensing the liquid, a liquid aspirator and an adjustment mecha... | 12/16/2003 |
| 6656430 | Affinity binding-based system for detecting particulates in a fluid This invention provides methods an apparatus for detecting and quantifying particulate matter suspended in a fluid. Specifically, the invention provides an integrated, affinity-binding based, analytical system comprising a platform for performing an affin... | 12/02/2003 |
| 6632399 | Devices and methods for using centripetal acceleration to drive fluid movement in a microfluidics system for performing biological fluid assays This invention provides methods and apparatus for performing microanalytic and microsynthetic analyses and procedures. Specifically, the invention provides a microsystem platform for use with a micromanipulation device to manipulate the platform by rotati... | 10/14/2003 |
| 6632398 | Rotor for presenting samples in photometric analysis The present invention relates to photometric analysis apparatus of the type which uses disk-shaped rotors, in which the rotors are loaded automatically. In particular, the present invention relates to photometric analysis apparatus of the type which uses ... | 10/14/2003 |
| 6627447 | Methods and apparatus for high throughput plate to plate or plate to membrane transfer Techniques for high throughput parallel separation, filtration and plate-to-plate transfer are described. Cells, proteins, chemical compounds and the like are being developed in multi-well, small volume well plates, such as 1536-well plates having wells o... | 09/30/2003 |
| 6605474 | Method and apparatus for determining temperature of and controlling the evaporation of liquid samples A method is described for evaporating liquid samples contained in sample holders mounted within a chamber and rotated by the rotor during an evaporation process in which the pressure in the chamber is reduced below atmospheric and the sample holders are r... | 08/12/2003 |
| 6605471 | Method and system for determining at least one parameter of at least one sample of a physiological liquid, a holder and a test device The present invention relates to a method for determining at least one parameter of samples of physiological liquids, to test devices which may be used in the method, to a holder comprising a plurality of such test devices, and to a measuring apparatus ad... | 08/12/2003 |
| 6593145 | Density gradient solutions of metal ion chelate complexes Methods of forming a density gradient by applying a centrifugal field to a solution of one or more metal ion chelate complexes are disclosed. The density gradients are self-forming equilibrium gradients and are useful for separating biological particles b... | 07/15/2003 |
| 6593143 | Centrifuge system with contactless regulation of chemical-sample temperature using eddy currents A coaxial-drive centrifuge provides for contactless regulation of sample temperature. The sample is contained in a multi-station chemical-processing circuit that has a metal receptor at each station. On demand, a stationary inductor induces eddy currents ... | 07/15/2003 |
| 6589790 | Method and device for filling an analysis card with a liquid medium Device for filling, with a liquid medium (1), an analysis card (2) comprising a body (3) in which at least one reading cavity (3a) is formed, and an orifice (4) communicating with the cavity via at least one internal channel (7), with an external conduit ... | 07/08/2003 |
| 6589789 | Automated centrifuge loading device This invention relates to an automated device for loading a centrifuge where tubes are presented to the centrifuge via an automated routing system.... | 07/08/2003 |
| 6586255 | Automated centrifuge loading device This invention relates to an automated device for loading a centrifuge where tubes are presented to the centrifuge via an automated routing system.... | 07/01/2003 |
| 6582662 | Devices and methods for the performance of miniaturized homogeneous assays This invention relates to methods and apparatus for performing microanalytic and microsynthetic analyzes and procedures. The invention provides a microsystem platform and a micromanipulation device for manipulating the platform that utilizes the centripet... | 06/24/2003 |
| 6551833 | Method for handling samples and diagnostic measuring device A sample handling method, in which the information on the sample to be examined is transferred throughout the entire measuring process by transferring the sample cup. The sample cups are handled in two independently operating drums, in which case at least... | 04/22/2003 |
| 6534008 | In situ heat induced antigen recovery and staining apparatus and method An automated in situ heat induced antigen recovery and staining method and apparatus for treating a plurality of microscope slides. The process of heat induced antigen recovery and the process of staining the biological sample on the microscope slide are ... | 03/18/2003 |
| 6531095 | Cartridge-based analytical instrument with optical detector An analytical instrument for analyzing fluids. The instrument includes a cartridge carousel assembly which receives analytical cartridges. The cartridges are self-contained units which incorporate a sample metering/separation system which is operated by c... | 03/11/2003 |
| 6506344 | Multi-cell rotor A multi-cell rotor for an automatic analyzer for examining biological fluids includes measurement cells of different configurations and also chambers of different geometries, in identical or different configurations, which receive different volumes of flu... | 01/14/2003 |
| 6503455 | Container for dying biological samples, method of making such container, and method of using same A container suitable for high speed centrifugation is provided with a cap carrying a microbe-impermeable filter means. The filter means permits gas flow into and out of the container but prevents microbes from entering the container. A method of making su... | 01/07/2003 |
| 6465256 | Device and method for separating components of a fluid sample A device and method for separating heavier and lighter phases of a fluid sample is described. The fluid separation device includes an elongate collection tube accommodating the fluids, and a deformable separator including a deformable bladder having a flo... | 10/15/2002 |
| 6458324 | Receiving device and receiving means, transfer device, and workstation and method for their operation A workstation has a transfer device with a gripper which is suitable for gripping sample tubes by a gripper clamp and for moving them from a sample tube rack to a sample tube bucket, for example for centrifuging. The transfer device has a receiving device... | 10/01/2002 |
| 6451258 | Reaction vessel, cassette and system for performing biochemical reactions A reaction vessel includes a receiving portion and a capillary portion. The capillary portion has a first end having an opening in fluid connection with the receiving portion, and a second end closed by a plug portion formed as an integral one-piece membe... | 09/17/2002 |
| 6436349 | Fluid handling apparatus for an automated analyzer An analyzer for performing automated assay testing. The analyzer includes a storage and conveyor system for conveying cuvettes to an incubation or processing conveyor, a storage and selection system for test sample containers, a storage and selection syst... | 08/20/2002 |
| 6395553 | Method for controlling reactions The invention relates to a method and an apparatus for performing an assay on chemical, biochemical, or biological fluids. The apparatus includes an assay chamber for fluid reactions and a centrifugal force activated-valve for controlling fluid movement t... | 05/28/2002 |
| 6391264 | Cartridge-based analytical instrument with rotor balance and cartridge lock/eject system The instrument includes a cartridge carousel assembly which receives analytical cartridges. The cartridges are self-contained units which incorporate a sample metering/separation system which is operated by centrifugal force. The cartridge carousel is com... | 05/21/2002 |
| 6387327 | Apparatus for the preparation and the performance of sedimentation velocity tests on organic liquids and other substances On a base structure (101, 103), an assembly (104) oscillates about a horizontal axis (X--X) between two limit positions; on said assembly, a rotor (106) is capable of rotating about an axis (Y--Y) of rotation orthogonal to said horizontal axis (X--X) and ... | 05/14/2002 |
| 6375855 | Method, device and apparatus for concentrating and/or purifying macromolecules in a solution A device for concentrating and/or purifying macromolecules in a solution has a concentration chamber (1) with a sample reservoir (2) for a liquid sample to be processed, a filter (3) for filtering the liquid sample, and a filtrate container (4) for collec... | 04/23/2002 |
| 6365412 | Centrifugal dispenser and method of use An article for dispensing very small volumes of liquid via non touch-off transfer. The article includes a rotator that drives a liquid dispensing system in circular motion at constant rotational speed. The liquid dispensing system has a delivery system th... | 04/02/2002 |
| 6352861 | Automated biological reaction apparatus An automated immunostaining apparatus having a reagent application zone and a reagent supply zone. The apparatus has a carousel slide support supporting a plurality of slide supports thereon, and drive means engaging the carousel slide support for consecu... | 03/05/2002 |
| 6338820 | Apparatus for performing assays at reaction sites An apparatus for performing a assays includes an axially rotatable substrate including a plurality of layers of a semiconductor material and numerous radially-arrayed reaction sites. The apparatus further includes a rotary stepper motor which rotates the ... | 01/15/2002 |
| 6337050 | Sample rack handling system A rack transportation assembly having a projecting member projecting forward is fixed onto a floor by a plurality of adjusters so that its rack transportation surface is brought to a desired level. The projecting member has a first reference surface facin... | 01/08/2002 |
| 6319469 | Devices and methods for using centripetal acceleration to drive fluid movement in a microfluidics system This invention relates to methods and apparatus for performing microanalytic and microsynthetic analysis and procedures. The invention provides a microsystem platform and a micromanipulation device for manipulating the platform that utilizes the centripet... | 11/20/2001 |
| 6319468 | Affinity binding-based system for detecting particulates in a fluid This invention provides methods and apparatus for detecting and quantifying particulate matter suspended in a fluid. Specifically, the invention provides an integrated, affinity-binding based, analytical system comprising a platform for performing an affi... | 11/20/2001 |
| 6300142 | Device and apparatus for conducting an assay A apparatus for assaying glycated proteins and other analytes in biological samples such as blood, in which a sample is presented to the apparatus, includes an inlet port between moveable between first and second inlets, such that the inlet can be brought... | 10/09/2001 |
| 6299839 | System and methods for performing rotor assays An analytical system comprises a frame and movable carriage. An analytical rotor is mounted on the carriage and can be translated among a sample dispensing station, a fluid dispensing station, and a label detection zone. In order to perform assays, the an... | 10/09/2001 |
| 6299567 | Selective component agitation apparatus and method An independently rotatably mounted container may be used, by agitating the contents thereof, in the performance of a multi-component reaction or assay, by selective rotation of said container in the presence of adjacently mounted component containers whic... | 10/09/2001 |
| 6235531 | Modified siphons for improved metering precision The present invention provides centrifugal rotors for delivering a premeasured volume of liquid to a chamber in the rotor. In particular the rotors include siphons for delivering a premeasured volume of liquid between a first and a second chamber in the r... | 05/22/2001 |
| 6221315 | Apparatus for separation of biologic components from heterogeneous cell populations Apparatus for separating a biological component from a biological fluid are disclosed. The apparatus includes a chamber for receiving a biological fluid including a biological component, and a rotor for creating a centrifugal field within the chamber. A s... | 04/24/2001 |
| 6193933 | Automatic analysis apparatus Heretofore, there has been demanded an automatic analysis apparatus which can prevent cross-contamination between reagents, which can prevent dust and gas from entering a reagent supply device, which can always know a remaining quantity of the reagent whi... | 02/27/2001 |
| 6162401 | Cytofunnel arrangement A cytofunnel arrangement, for use in preparation of slides for microscopic examination, comprises in combination, a specimen funnel 14, a microscope slide 12 and a slide holder 10 which holds the slide against a port 36 in a base portion of the specimen f... | 12/19/2000 |
| 6153148 | Centrifugal hematology disposable A shatter-proof fluid sample container adaptable for use with a centrifuge is provided. The fluid sample container is especially useful for expanding layers of a fluid sample, such as a blood sample, that form during centrifugation. The fluid sample conta... | 11/28/2000 |