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| Number | Title | Issue Date |
| 8181544 | Liquid sample evaporator for vapor analysis Preparation methods for introducing liquid samples to gas analysis instruments include 1) complete evaporation of a liquid sample in a sample chamber, and 2) allowing the sample vapor in the sample chamber to equilibrate for a predetermined time. An inert carrier ga... | 05/22/2012 |
| 7980149 | Docking mechanism for a sensor cartridge A docking mechanism provided for analytical apparatus, such as an acoustic bio-sensor apparatus. The mechanism is operable releasably to receive a cartridge (58) for use in analysing a sample comprising a fluid and having a flow cell (104, 106; 304, 306 | 07/19/2011 |
| 7371517 | High purity X-chromosome bearing and Y-chromosome bearing populations of spermatozoa Isolated non-naturally occurring populations of spermatozoa (15) having high purity and technologies to differentiate spermatozoa (28) based on characteristics such as mass, volume, orientation, or emitted light including methods of analysis and appara... | 05/13/2008 |
| 7270020 | Instrument assemblies and analysis methods The disclosure relates to instrument assemblies that can include a sample introduction port coupled to a chamber configured to receive the sample from the sample introduction port and provide analysis of the sample with a valve between the sample introduction port a... | 09/18/2007 |
| 7253005 | Catalyst sampling system A method and apparatus are provided for obtaining a reproducible sample of solid particles. The reproducible sample is obtained by receiving solid particles into a collection system that includes a sheltered volume. Solid particles that settle outside of the shelter... | 08/07/2007 |
| 7221453 | Optical apparatus Various optical apparatus provide a source of parallel light (7, 75). The parallel light (7, 75) is generally achieved by directing an incident beam at the apex of a prism (1, 22, 24, 26, 28). The prism may have varying configurations. One confi... | 05/22/2007 |
| 7201875 | Fixed mounted sorting cuvette with user replaceable nozzle A flow cell and flow cytometer in which a nozzle at the end of a flow channel is disposed on a removable substrate held at a registered location on a flow cell. Other elements including illumination optics, light collection optics, and the flow cell may then be posi... | 04/10/2007 |
| 7195920 | Collection systems for cytometer sorting of sperm Improved flow cytometer system particularly adapted to use for sex-selected sperm sorting include enhanced sheath fluid and other strategies which minimize stress on the sperm cells, including a 2.9 percent sodium citrate sheath solution for bovine species and a HEP... | 03/27/2007 |
| 7186384 | Sample entry device for delivering medical samples to an analyzer The invention relates to a sample entry device for delivering medical samples, preferably blood samples, from diverse sample containers to an analyzer, wherein sample transfer between sample intake and measuring cells of the analyzer taking place via gas-tight sampl... | 03/06/2007 |
| 7169548 | Sperm cell processing and preservation systems Methods and apparatus are disclosed for processing sperm cells to accomplish preservation for future use while minimizing the adverse effects of such preservation. Sperm cells may be collected from a male animal and subjected to a first preservation step, including ... | 01/30/2007 |
| 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. At least a portion of the reaction product is withdrawn through the ... | 07/04/2006 |
| 7060049 | Injection system having an agitation mechanism for circulating a fluid medium A system for dispensing a medium includes at least a first container to hold the medium, a pressurizing device, such as a pump, in fluid connection with the container for pressurizing the medium, and an agitation mechanism or device to maintain the components of the... | 06/13/2006 |
| 7024316 | Transiently dynamic flow cytometer analysis system A flow cytometry apparatus and methods to process information incident to particles or cells entrained in a sheath fluid stream allowing assessment, differentiation, assignment, and separation of such particles or cells even at high rates of speed. A first signal pr... | 04/04/2006 |
| 7012689 | Flow cytometer with active automated optical alignment system An automated monitoring and alignment system to position the mechanical and optical components of a flow cytometer to enhance the consistency, performance, and efficiency of particle sorting and analysis applications. ... | 03/14/2006 |
| 7004282 | Ultrasonic horn An ultrasonic horn in accordance with the present invention comprises a horn body having a longitudinal transmission axis, a proximal end attachable at least indirectly to a source of ultrasonic vibrations, and a distal end with an active end face. The end face is p... | 02/28/2006 |
| 6955709 | Method and device for vaporization injection of high volumes in gas chromatographic analysis This invention concerns a method and apparatus for vaporization injection of large volumes of liquid sample (substance to be analysed+solvent) introduced by a syringe needle into a heated vaporization chamber which is part of an injector coupled operatively to a dev... | 10/18/2005 |
| 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 includes a tip positionable over the substance on the substrate. The... | 03/08/2005 |
| 6675629 | Method of and instrument for analyzing a gas An instrument provides a quantitative measurement of an analyte in a gas. It includes a detection cell that provides an indication of an amount of analyte present in the gas, and a valve having a closed position, a sample gas position, and a calibration g... | 01/13/2004 |
| 6637277 | Fluid sampling device A fluid sampling device or system for providing a fluid to a fluid processing apparatus. The system includes a plurality of sampling lines, each having an inlet line and an outlet line connected by a valve. The valve has a closed position preventing a flu... | 10/28/2003 |
| 6468475 | Autosampler An autosampler for manipulating a specimen container into and out of a furnace of a parent instrument is disclosed. The autosampler has upper, lower and middle gripping fingers which grip and stabilize a crimped wire, which has a large bend therein. The m... | 10/22/2002 |
| 6272937 | Gas sampling system A gas sampling system includes a sample trapping module having a gas pump and a power supply, and a removable magazine that fits within a port of the trapping module. The magazine contains a non-volatile electronic memory, which controls operation of the ... | 08/14/2001 |
| 6263743 | Liquid transferring device A device for transferring a liquid sample drawn by suction, through a wall having an orifice, the device including a conduit, a plunger sealingly sliding in the conduit, and a rod controlling the plunger. The device includes a joining piece extending the ... | 07/24/2001 |
| 6210640 | Collector for an automated on-line bath analysis system A collector and method for collecting samples of liquid from at least one source of liquid for automated analysis of the samples. The collector has at least one receptacle for receiving liquid from the source of liquid and holding a quantity of the liquid... | 04/03/2001 |
| 6021253 | Heating probe A probe for heating a reagent and/or a test specimen from a storage temperature to an analysis temperature is provided herein. The probe is particularly useful with or as part of a clinical analyzer. The probe includes an electrically conductive, tubular ... | 02/01/2000 |
| 5792423 | Headspace autosampler apparatus and method A headspace autosampling apparatus (92) for generating and delivering gaseous samples to a gas chromatograph or other instrument includes a plurality of vials (98) in a carousel (150). The vials are delivered one at a time from the carousel through a vial... | 08/11/1998 |
| 5726364 | Sample introduction apparatus for a flow cytometer A sample introduction system for a flow cytometer allows easy change of sample containers such as test tubes and facilitates use in high pressure environments. The sample container includes a cap having a pressure supply chamber and a sample container att... | 03/10/1998 |
| 5683658 | Reagent bottle A reagent bottle suitable for insertion into a sample analyzer features a sample discharge opening plugged by an elastic, pierceable stopper, and an air inlet. Both the sample discharge opening and the air inlet are located on the same side of the reagent... | 11/04/1997 |
| 5602349 | Sample introduction system for a flow cytometer A sample introduction system for a flow cytometer allows easy change of sample containers such as test tubes and facilitates use in high pressure environments. The sample container includes a cap having a pressure supply chamber and a sample container att... | 02/11/1997 |
| 5576214 | Method of supplying disposable tips to an aspirator An array of tips is disclosed for multiple loading onto plural aspirators, wherein the array comprises columns of tips temporarily joined together within and between columns, at discontinuously spaced junctions. The array is moved along in tracks spaced s... | 11/19/1996 |
| 5454274 | Sequential combination low temperature condenser and enclosed filter solvent removal system, and method of use A sequential combination solvent removal system comprising at least one low temperature condenser solvent removal system interconnected to at least one enclosed filter solvent removal system is described. The sequential combination solvent removal system ... | 10/03/1995 |
| 5441701 | Feeder unit for selectively charging an analyzing apparatus A feeder unit, which is used for selectively charging an analyzing apparatus with liquid or gaseous sample-, reference- or cleaning media, comprises a sample inlet and a feeder part hinged on the feeder unit at one end. The feeder part contains an intake ... | 08/15/1995 |
| 5297433 | Expansion-chamber/vial sparger vessel In its simplest sense the invention is an expansion chamber device that allows a sample to be purged and trapped for analysis without removal of the sample from the common field sample vial (VOA vial) storing the sample. The expansion chamber generally co... | 03/29/1994 |
| 5271894 | Chemiluminescent analyzer In a chemiluminescent analyzer for measuring a concentration of an object gas in a sample gas by mixing the sample gas with 5 a reaction gas and measuring light generated in a chemical reaction between the object gas and the reaction gas, the two gases fl... | 12/21/1993 |
| 5270211 | Sample tube entry port for a chemical analyzer A sample tube entry port for an automatic chemical analyzer supports individual draw tubes that are manually delivered to the analyzer at a sample access station. The entry port facilitates removal of samples by the pipette without exposing operating pers... | 12/14/1993 |
| 5230253 | Fluid mixing device An improved fluid mixing device comprising a mixing chamber having end walls and a cylindrical side wall. A first fluid conduit joins the mixing chamber at a first port formed in the first end. A second fluid conduit joins the mixing chamber at a second p... | 07/27/1993 |
| 5171538 | Reagent supply system for a medical analytical instrument A reagent supply system for a medical anlytical instrument includes a reagent space provided on the instrument and reagent vessels which are received in the reagent space. In the reagent space there is provided at least one reagent vessel compartment with... | 12/15/1992 |
| 5132233 | Sample injection cell The sample injection cell comprises a body and a bore through the body for receiving a probe to pass fluid sample into the bore. A transverse passageway into the body permits a diluent to enter the bore and be mixed with a sample in a predetermined ratio ... | 07/21/1992 |
| 5079959 | Analyzing system using sheath flow of sample Particles contained in a liquid sample are analyzed by moving the particles along a detection passage past a detector using a liquid flow in the detection passage. To reduce the time required for analysis of each sample, the sample is delivered at an inpu... | 01/14/1992 |
| 5050425 | Apparatus and method for measuring volatile constituents in earth samples The disclosure is directed to an apparatus and method for measuring the presence of a volatile constituent of a sample of ground water or soil mixed with water. In an embodiment of the apparatus, a valve system is provided, and has a plurality of branches... | 09/24/1991 |
| 4914966 | Automated ultrasonic probe holder for a sample feeder Apparatus for performing analysis of a slurry including solid particles of elements in a liquid suspension has a container for receiving a sample of the slurry to be analyzed, and a conveyor for moving the container to a location at which the analysis is ... | 04/10/1990 |
