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