Patents
Sitemap › G01 - Measuring; Testing › G01N - Investigating or analysing materials by determining their chemical or physical properties › G01N 1 - Sampling; Preparing specimens for investigation
Patents for G01N 1 - Sampling; Preparing specimens for investigation (74,036)
12/1990
12/04/1990CA1277208C Rotary shear valve with cleaning feature and method of using same
12/01/1990WO1990015321A2 Rotor and method for automatically processing liquids for laboratory and bioanalysis purposes
12/01/1990CA2053894A1 Rotor and method for automatically processing liquids for laboratory and bioanalysis purposes
11/1990
11/29/1990WO1990014686A1 A vaporization device for continuous introduction of liquids into a mass spectrometer
11/29/1990WO1990014586A1 System of automatic sterile sampling of a biological fluid
11/29/1990WO1990014585A1 Cryogenic ultramicrotome seal
11/29/1990DE4015782A1 Monitoring arrangement for abrasion products in liquids - liquid from machine hydraulic system, and cartridge filter, etc.
11/29/1990DE3918652A1 Bulk material analyser esp. for building material contaminated by oil - has gas detector in lid of container with heater in base
11/28/1990EP0399745A2 Reaction chamber
11/28/1990EP0399426A1 Method and apparatus for taking uncontaminated water samples from a well by drilling
11/28/1990EP0399151A1 Centrifuged material layer measurements taken in an evacuated tube
11/28/1990CN2066578U Automatic dehydrating dyeing meter for boilogical micro-sample
11/28/1990CN2066577U Fluent conversion type sampling connector
11/28/1990CN1047389A Method to prepare specimen for light spectrum analysis
11/27/1990US4973450 Device for urinalysis
11/27/1990US4972957 Virtual impactors for aerosols
11/26/1990WO1990014587A1 Apparatus and method for sampling
11/26/1990CA2057888A1 Apparatus and method for sampling
11/24/1990WO1990014498A1 Process and device for obtaining unadulterated samples of water when sinking a well by drilling
11/24/1990CA2033173A1 Process and device for obtaining unadulterated samples of water when sinking a well by drilling
11/23/1990WO1990014539A1 Diaphragm valve
11/22/1990EP0398798A2 Extraction of natural products assisted by microwaves
11/22/1990EP0397745A1 A face level sampling device
11/22/1990DE3915768A1 Extracting soil specimen from covering of deposit - ramming hollow core tube through all layers of covering whilst reducing mineral refilling
11/20/1990US4971917 Staining reticulocytes; carbonate salt and fluorescent dye
11/20/1990US4971912 Apparatus and method for the separation of immiscible liquids
11/20/1990US4971911 Injection of alcohol into damping fluids, collection of vapors
11/20/1990US4971783 Tissue processing for immunofluorescence microscopy
11/20/1990US4970905 Apparatus and method for sampling
11/20/1990US4970904 Reversible adaptor and gas analyzer for tires
11/20/1990CA1276602C Device for delivering a predetermined dose of a liquid
11/15/1990WO1990013803A1 Monitoring system and method for performing gas analysis
11/15/1990WO1990013797A1 Urine collection monitor with temperature sensing
11/14/1990EP0397583A1 Method and device for the identification and counting of cells in milk
11/14/1990EP0396757A1 Semitransparent slide, cover glass and method to make preparation
11/14/1990EP0396542A1 A device at washing and rinsing apparatuses for producing a foam.
11/14/1990CN2065759U Dual-valve sampling tube for gaseous fluid
11/14/1990CN2065758U Automatuc sampler
11/13/1990US4969351 Apparatus for determining drainage time of papermaking stock
11/13/1990US4969336 Cryogenic storage apparatus, particularly with automatic retrieval
11/13/1990CA1276235C Probe for the determination of gas concentration in molten metal
11/10/1990WO1990013802A1 Specimen collection device and method
11/07/1990EP0396102A2 Method of transferring sample
11/07/1990EP0396016A2 Contamination-free method and apparatus for measuring body fluid chemical parameters
11/07/1990CN2065321U Air moisture sampling device
11/07/1990CN2065320U High-temp. and high-dust sampling probe
11/06/1990US4968885 Method and apparatus for introduction of liquid effluent into mass spectrometer and other gas-phase or particle detectors
11/06/1990US4968485 For carbon content
11/06/1990US4967629 Microtome
11/06/1990US4967608 Test chamber for particle emitters
11/06/1990US4967604 Pipette and pipetting apparatus
11/04/1990CA2015983A1 Self-filling anti-siphon fluid flow system for particle analysis methods and instruments
11/04/1990CA2015982A1 Cam-driven flow system for use with analytical instruments
11/01/1990WO1990013014A1 Single-use disposable molten metal inclusion sensor
11/01/1990WO1990013013A1 Method and apparatus for screening cells or formed bodies with populations expressing selected characteristics utilizing at least one sensing parameter
11/01/1990WO1990013012A1 Method of detecting operation condition of a micropipette
11/01/1990WO1990012972A1 A sampling valve
10/1990
10/31/1990EP0395254A2 Apparatus for probing material in a vessel in a steel production plant
10/31/1990EP0395194A2 Vapor sampling probe
10/31/1990EP0395035A2 Blood bag and blood collecting tube receiving member to be attached to blood bag
10/31/1990EP0394712A2 Apparatus for measuring particles in a gas
10/31/1990EP0394404A1 An automated "in vivo" micro-nucleus test method and a device for implementing it
10/31/1990CN2064677U Gas-liquid separator
10/30/1990US4966538 Mounting press
10/30/1990CA1275614C Diffusion sample collector for gaseous media
10/27/1990WO1990013016A1 Cuvette
10/24/1990EP0394048A2 Cartridge with liquid shield
10/24/1990EP0246979B1 Apparatus to preserve the sterility of a culture medium in an enclosure during sampling
10/24/1990CN2064506U Nonmetal contrasting sample plank of roughness of surface
10/24/1990CA2015157A1 Vapor sampling probe
10/23/1990US4965209 Pyrolysis, while invacuum, with lasers; releasing gases
10/23/1990US4964300 Method and apparatus for determining time, direction and composition of impacting space particles
10/21/1990WO1990012763A1 A method for producing a glass knife
10/21/1990CA2013695A1 Liquid shield for cartridge
10/18/1990WO1990012305A1 Process and device for taking samples at a ground water measurement site
10/18/1990WO1990012304A1 An arrangement for taking samples of a paper web in a paper machine
10/18/1990WO1990011830A1 Multianalyte test vehicle
10/18/1990WO1990011752A1 Apparatus and method for providing a passage in a sealing member of a container of a fluid sample
10/18/1990DE4011575A1 Marker for optical microscope preparations
10/17/1990EP0392851A2 Dilution and mixing cartridge
10/17/1990EP0392502A2 Method and apparatus for measuring a parameter of a gas in isolation from gas pressure fluctuations
10/17/1990EP0392475A2 Analysis apparatus
10/17/1990EP0392154A1 Device for measuring the sulphur dioxide (SO2) with a gas analysing apparatus
10/17/1990CN2064055U Sampler for general atmospheric suspension corpuscle
10/16/1990US4963325 Swab expressor immunoassay device
10/16/1990US4963256 Fluid tight seal between membrane and two hollow members
10/16/1990US4963252 Decanter device
10/16/1990US4963167 Air delivery monitoring systems
10/16/1990US4962673 Pressure reduction device for particle sampling from compressed gases
10/16/1990CA1275180C Improved portable personal detector for analysis of dust content of air
10/11/1990WO1990012350A1 Method for producing a heatable and refrigerable element for a system handling small quantities of liquid, and an element manufactured by the method
10/11/1990CA2014294A1 Analytical apparatus
10/10/1990EP0391040A2 Absorption microcopy and/or spectroscopy with scanning microscopy control
10/10/1990EP0390942A1 Device for measuring the dust emission in ducts carrying hazardous dust, particularly chimneys
10/10/1990EP0390941A1 Probe for sampling hazardous gases from ducts, particularly smoke ducts
10/10/1990EP0390848A1 Apparatus and method for closed tube sampling
10/10/1990CN1009959B Agglutination element in electrode for measuring ion
10/09/1990US4961966 Fluorocarbon coating method
10/09/1990US4961916 For collecting gaseous and aerosol isocyanates in polluted air; porous filter impregnated with secondary amine
10/09/1990US4961906 Liquid handling
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