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)
04/1990
04/24/1990CA1268054A1 Method of and an apparatus for measuring the properties, particularly the compactibility of a stiff mass to be cast
04/19/1990WO1990004160A1 Bellows pump and actuating apparatus
04/18/1990EP0364203A1 A liquid drop forming device
04/18/1990EP0363485A1 Method and apparatus for collecting blood sample
04/18/1990EP0363450A1 Pipette device.
04/18/1990CN1007659B Liquid sampling valve
04/17/1990US4917867 Foam cushion, protective collar
04/17/1990US4916956 Catalyst sampling device
04/17/1990US4916922 Rapid freezing apparatus
04/12/1990DE3833525A1 Pressure reducer for withdrawing test gases with reactive components
04/11/1990EP0362414A1 Measuring cell for analysing alloy structurization process
04/11/1990EP0214237B1 Method and apparatus for analyzing gases dissolved in a liquid sample
04/10/1990US4916314 Method and apparatus for analyzing components of selected fluid inclusions
04/10/1990US4915368 Method of and apparatus for arranging sheets
04/10/1990CA1267552A1 Process for the production of slides with delimited reaction fields, and the slides produced by the process
04/05/1990WO1990003493A1 Membrane-sample container
04/05/1990WO1990003209A1 Method and extraction device for extraction of a solid or semi-solid sample
04/04/1990EP0361234A2 Process and apparatus for preparing samples for ion analysis
04/04/1990EP0360901A1 Method and device for the sampling and analysis of hydrocarbons
04/03/1990US4914022 Embedding tissue in binder solidifying
04/03/1990US4913882 Diffusion sampler having a conversion zone
04/03/1990US4912989 Shock absorbing immersion probe
04/03/1990US4912986 Device for the selective charging of an analysing apparatus
04/03/1990US4912985 Gas sampling system for reactive gas-solid mixtures
04/03/1990US4912964 Sample supporting device having small contact region with sample suitable for ventilation-characteristics measuring apparatus
03/1990
03/28/1990EP0360604A2 Liquid sample movement
03/28/1990EP0112862B1 A method and an apparatus for performing routine analysis such as polarographic or spectrophotometric analysis
03/27/1990US4912528 Trace metals analysis in semiconductor material
03/27/1990US4912051 Preconcentrator; controlling fluid flow
03/27/1990US4911915 Method of processing tissue specimens and dehydrant solvent for use therein
03/27/1990US4911891 Process control using wet chemical analysis
03/27/1990US4911820 Apparatus for measuring hydrogen cyanide vapor content in the air
03/27/1990US4911098 Automatic straining apparatus for slide specimens
03/27/1990US4911026 Grain probe
03/27/1990US4911025 Method and apparatus for preparing a suspension for measurement
03/22/1990WO1990002934A1 Disposable sample preparation container and method of preparing samples for analysis
03/22/1990DE3824936A1 Rapid fixation
03/21/1990EP0359281A2 Silver staining technique and kit
03/21/1990EP0359249A2 Microfiltration apparatus & method of using the same
03/21/1990CN2054903U Antichoking blast pressure sampler
03/20/1990US4910151 Wet chemical analysis
03/20/1990US4910150 In blood sample
03/20/1990US4909256 Transdermal vapor collection method and apparatus
03/20/1990US4909090 Vapor sampling probe
03/20/1990US4909089 Walk-in inspection apparatus for producing air samples
03/20/1990US4909084 Filament specimen fixture
03/15/1990DE3921914A1 Controlling or regulating fluid sample extractor - using diaphragm in conjunction with collection container and intermediate valve
03/15/1990DE3831549C1 Mobile water sampling device
03/14/1990EP0358212A2 Reactive gas sample introduction system for an inductively coupled plasma torch
03/14/1990EP0358013A2 Automatic stop for the drive mechanism of a microtome
03/14/1990EP0357998A2 Process and apparatus to keep liquid fermenter samples sterile
03/13/1990US4908187 First and second pulse drive fluid drive means, fluid distribution member, fluid mixing member, control system, four fluid passageways; for obtaining chemical, biochemical, or physical chemical data on reactions
03/13/1990US4907463 Linear displacement sampling valve and a device for fixing same
03/13/1990US4907440 Probe for the determination of gas concentration in molten metal
03/08/1990WO1990002000A1 Microtiter plate washer
03/07/1990EP0357272A2 Integral centrifuge tube and specimen slide
03/07/1990EP0356566A1 Method and apparatus for electrothermal atomization of samples
03/06/1990US4906451 Indole stains
03/06/1990US4905526 Portable automated pipette for accurately pipetting and/or titrating liquids
03/06/1990US4905510 Method of isolating an oilfield flowline sample for analysis without shearing the sample
03/06/1990US4905497 Gas mixing device and gas analyzer making use of the same
03/06/1990CA1266386A1 Apparatus and process for pyrolysis and analysis of samples containing organic matter
02/1990
02/28/1990EP0356173A2 Fluorescent dyes
02/28/1990EP0355802A2 Vortexing liquid container
02/28/1990EP0355688A2 Method for measuring the alcohol content of a damping liquid in an alcohol damping device of an offset printing machine
02/28/1990CN1007012B Method of displaying alloy copper-rare earth grain boundary
02/28/1990CN1007011B Improved portable individual collector for dust analysis
02/27/1990US4903708 Swab transport system
02/27/1990CA1266188A1 Method and apparatus for analyzing atmosphere of a furnace
02/22/1990DE3909623C1 Sampling device
02/21/1990EP0347447A4 Transdermal vapor collection method and apparatus.
02/21/1990CN2053337U Negative-pressure evaporator by heating
02/21/1990CN1039854A Dimensionally stable polyester yarn for high tenacity treated cords
02/20/1990US4902318 Inlet apparatus for gas-aerosol sampling
02/20/1990US4901759 Constant flow and constant pressure fluid regulator
02/20/1990US4901582 Fixture for brittle pre-crack introduction in ceramic specimen
02/15/1990DE3827293A1 Device for handling analytical samples in the mu g and mg range
02/14/1990EP0354895A2 One-way measuring element
02/14/1990EP0354208A1 Device and method for visual identification of sample positions in plates with multiple wells, and use of the device.
02/14/1990CN2052898U Polyester coverture forming mould for biological cut section
02/14/1990CN2052897U Sampler tube fixture for automobile exhaust gas analyser
02/14/1990CN1039655A Method (atomic absorption) for testing ca, ba and zn contents in additive and luboil containing additive
02/13/1990US4900936 Dosimeter construction
02/13/1990US4900683 Process for preparation of samples for analysis
02/13/1990US4899601 Sample collector
02/13/1990CA1265681A1 Liquid sampling device
02/08/1990WO1990001197A1 Method for automatically matching seriated cross-sections observed with a microscope
02/08/1990WO1990001160A1 Calibration device for use in calibrating a sensor
02/08/1990DE3837598A1 Method and device for obtaining milk samples from a flow conduit
02/08/1990DE3822183A1 Group of substances for fixation purposes
02/07/1990EP0353855A1 Chemical dispensing apparatus
02/07/1990EP0353747A2 Liquid sampling device
02/06/1990US4898831 Method and apparatus for analyzing fluid inclusions
02/06/1990US4898037 Method and apparatus for determining the propensity of a paper or board to dust
02/05/1990EP0248840A4 An apparatus and method for analyses of biological specimens.
02/01/1990DE3825907A1 Micromechanically fabricated cooling device, especially plate coolers
01/1990
01/31/1990EP0352371A2 Detector for helium leaks
01/30/1990US4897244 Transfrer probe causes signal when contacting fluid; noncontamination
01/30/1990US4896549 Molten metal sampler
01/30/1990US4896548 Fluid sampler with miniature single-acting pump assembly
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