Patents for G01N 1 - Sampling; Preparing specimens for investigation (74,036)
04/1991
04/30/1991US5011517 Sampler for chemical vapors
04/30/1991US5010930 Pipette and liquid transfer apparatus for dispensing liquid for analysis
04/30/1991US5010921 Nonsymmetrical valve
04/30/1991US5010776 Environmental contamination detection and analyzing system and method
04/28/1991CA2028689A1 Column analyzer system
04/24/1991EP0424354A1 Converter vessel for making steel
04/24/1991EP0423719A2 Pipette tip
04/24/1991EP0423517A1 Dosing device for analytical instruments
04/24/1991EP0423213A1 Dimensionally stable polyester yarn for high tenacity treated cords.
04/23/1991US5009942 Vortexing liquid container
04/23/1991US5009743 Chemically-assisted ion beam milling system for the preparation of transmission electron microscope specimens
04/23/1991US5009185 Apparatus for applying a controlled amount of reagent to a microscope slide or the like
04/23/1991US5009112 Method and apparatus for conducting field dissipation and leaching studies
04/18/1991WO1991006192A1 Soft sonar suspension system
04/18/1991WO1991005234A1 Method and apparatus for sampling liquid
04/18/1991WO1991004939A1 Method and apparatus for distributing a liquid
04/18/1991DE4032337A1 Gas mixt. prepn. appts.
04/18/1991DE3934529A1 Waste gas monitoring arrangement for disinfectant mfr. - collects gases over long period enabling sulphur di:oxide measurement with pH meter
04/18/1991CA2067242A1 Soft sonar suspension system
04/17/1991WO1991006004A1 Apparatus for determining drainage time of papermaking stock
04/17/1991EP0422988A1 Method and device for transferring a fluid sample between two chambers, and their application to gas chromatography
04/17/1991EP0422747A2 X-ray particle size analyzer
04/17/1991EP0422428A2 Device for dispensing liquids
04/17/1991EP0422260A1 Method and device for simultaneously determining the oxygen content and the residual pressure in a package
04/17/1991EP0422256A1 Method for auditing means used for measuring characteristics of a bulk material and for extracting an aliquot from a bulk material
04/17/1991CN1050771A Method and apparatus for screening cell of formed bodies with populations expressing selected characteristics utilizing at least one sensing parameter
04/17/1991CA2065419A1 Apparatus for determining drainage time of papermaking stock
04/16/1991US5008185 Methods and apparatus for the quantitation of nuclear proteins
04/16/1991US5007297 Particle size measuring system with automatic dilution of sample
04/16/1991US5007296 Apparatus for measuring a liquid specimen
04/11/1991DE4031138A1 Micro-injection device - with piston in micro-syringe moved by piezoelectric element turning a rotational element
04/11/1991DE3931956A1 Representative milk sampling without delays - using multiple phase procedures involving filling and emptying of sampling container
04/10/1991EP0421463A2 Fluid seal
04/10/1991EP0420960A1 Multianalyte test vehicle.
04/10/1991CN1050610A Rapid preparation method for standard air and its apparatus
04/10/1991CN1050482A Method and apparatus for tissue treatment by altrasonic wave
04/09/1991US5006227 Volumetric flow controller for aerosol classifier
04/09/1991US5005434 Autosampler with a means for detecting air bubble in specimen
04/09/1991US5005433 Asbestos sample removal tool
04/09/1991US5005432 Sampling valve
04/09/1991US5005431 Flowable material distribution sampling method and device
04/09/1991US5005430 Automated membrane filter sampler
04/04/1991WO1991004570A1 Method of preparing a sample for analysis
04/04/1991DE3932202A1 Discontinuous sampling arrangement for product line - has blocking and dispensing element which seals product line outlet before reaching its closed position
04/04/1991DE3931971A1 Preparing appts. with enrichment column for liq. analysis specimens - has fraction collector, pump, containers connected via liq. lines and air bubble detectors controlling by=pass or blocking device
04/03/1991EP0420800A1 Method for taking a milk sample
04/03/1991EP0420296A1 Liquid handling system
04/02/1991US5004920 Method of preparing membrane filters for transmission electron microscopy
04/02/1991US5003830 Sample extraction system
04/02/1991US5003787 Cell preservation system
03/1991
03/28/1991WO1991004709A1 Instrument for handling biopsies and samples
03/28/1991DE3931293A1 Air sample extractor for measuring harmful material concn. in earth - has measuring arrangement connected to suction tube inside hollow conical probe of steel with air openings
03/28/1991DE3931131A1 Sample extractor for soil deposits in water courses - has closure arrangement for base of vertical core tube in form of cover on branched rod
03/28/1991DE3930801A1 Test-tubes aligned in passages between hollow cooling blocks - transfer heat to externally cooled water circulating into block interiors
03/27/1991EP0419309A1 Apparatus for sampling a well fluid
03/27/1991EP0418739A1 Oral immunoglobulin collection for immunoassay
03/27/1991EP0418440A1 Cartridge and cartridge assembly
03/27/1991EP0418356A1 Process and device for taking samples at a ground water measurement site.
03/27/1991CN2074015U 24-hour thermostatic automatic continuous air sampler
03/27/1991CA2014944A1 Blood collection and transportation assembly for evidentiary purposes
03/26/1991WO1991004392A1 Process and device for controlling longwall shearing and heading machines along a cutting horizon between coal and rock
03/26/1991US5002784 Foods; solvent extraction from mint, sea parsley, cedar foliage, and garlic
03/26/1991US5002737 Electrically operated pipette
03/26/1991US5002736 Microscope slide and slide assembly
03/26/1991US5002377 Multi-specimen slides for immunohistologic procedures
03/26/1991US5001939 Surface characterization apparatus and method
03/26/1991US5001938 Sampling system
03/26/1991CA2042368A1 Process and device for controlling longwall shearing and heading machines along a cutting horizon between coal and rock
03/26/1991CA2025616A1 Process for drawing off a milk sample
03/22/1991CA2023636A1 Oral immunoglobulin collection for immunoassay
03/21/1991WO1991003719A1 Process and device for preparing a gas mixture for analysis, and application of the process
03/21/1991WO1991003679A1 Liquid nitrogen refilling device
03/21/1991DE3930354A1 Fluent material sample distributor - divides bulk material into several specimens using screw conveyor with outlet movable along arc contg. collection hoppers
03/20/1991EP0418026A2 Apparatus for pretreating cells for flow cytometry
03/20/1991EP0417974A1 Cigarette sidestream smoke collection apparatus
03/20/1991EP0417415A2 Device for withdrawing samples from molten baths
03/20/1991CN1050088A Determining collective fluid inclusion volatiles compositions for inclusion composition mopping of earth's subsurface
03/19/1991US5001463 Method and apparatus for detecting airborne allergen particulates
03/19/1991US5001351 Object holder for positioning an object in a radiation beam
03/19/1991US5000804 Glass containers with stoppers
03/19/1991US5000052 Controlled sampler
03/19/1991US5000051 Lysimeter probe which may be inserted into the ground
03/13/1991EP0417006A2 Synthetic apparatus for inspection of blood
03/13/1991EP0416976A1 Method and arrangement for measuring the concentration in the atmosphere of suspended windswept dust from heaps of powdery materials
03/13/1991EP0416759A1 Ventable rupture diaphragm-protected container for heating contained materials by microwave radiation
03/13/1991EP0416472A2 Process for sizing particles using condensation nucleus counting
03/13/1991EP0416354A1 Traversing microtome
03/13/1991EP0416326A2 Apparatus for automated isolate extraction using solid phase sorbent
03/13/1991EP0416002A1 A method in the operation of mixing or processing plants, in which samples are taken from various supplies of material, and sampling means for use in that connection
03/12/1991US4999307 Apparatus and method for periodic aseptic withdrawal of liquid samples from a sterile liquid source
03/12/1991US4998954 Isokinetic probe and pressure reduction assembly
03/12/1991US4998433 Method and means for condensing trace air contaminates from gases
03/12/1991US4998431 Field usable calibrator for humidity meters
03/09/1991WO1991003720A1 A method and device for combined enrichment, processing and embedding of cytological specimens according to histological principles
03/09/1991CA2066732A1 Method and device for combined enrichment, processing and embedding of cytological specimens according to histological principles
03/07/1991WO1991003068A1 Method of preparing a sample for analysis
03/07/1991WO1991002962A1 Apparatus for the in situ hybridisation of slide-mounted cell samples
03/07/1991WO1991002961A1 Method of preparing a sample for analysis
03/07/1991WO1991002948A1 Combined separator and sampler
03/07/1991DE4017805A1 Preparing thin film of analyte for examination - by laser desorption from surface e.g. of electrophoretic gel plate, chromatography plate or bio:sensor