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)
04/1989
04/26/1989CN1004029B Detecting leakage of heat exchanger in operation
04/25/1989US4824642 Multi-channel pipetter
04/25/1989US4824320 Device for picking up, displacing and delivering products
04/25/1989US4823623 Device for transfer of fluid into sealable vials
04/25/1989US4823622 Sample metering valve for a sample preparation system
04/25/1989US4823591 Calibration method for exhaust mass flow measuring system
04/20/1989DE3806269C1 Microtome
04/19/1989EP0312458A2 Method for reducing pressure of highly compressed gases without generation of condensation droplets
04/19/1989EP0312457A2 Method of detecting trace amounts of condensible vapors from compressed gas
04/19/1989EP0312109A2 Cassette for pathological tissue examination
04/19/1989EP0311655A1 Multi-part differential analyzing apparatus utilizing light scatter techniques.
04/19/1989CN2036030U Separator for worm eggs
04/18/1989US4822569 Rotary shear valve with cleaning feature and method of using same
04/18/1989US4821737 Water separator
04/18/1989US4821587 Depth gauge-analyzer
04/18/1989US4821585 Probe means for sampling volatile components from liquids or gases
04/12/1989EP0311588A2 Method and apparatus for volumetric determination, dilution and transfer of liquid specimens
04/12/1989EP0311439A2 Ozone gas sensor and ozone gas detecting device having ozone gas sensor
04/12/1989EP0311368A2 Methods and apparatus for the quantitation of nuclear proteins
04/12/1989EP0311261A2 Holder for a molten metal sampling device
04/12/1989EP0311035A2 Histological fixative
04/12/1989EP0310649A1 Device for diluting and mixing liquids and applications for kinetic analysis.
04/12/1989CN2035887U Mercury measuring auxiliary for gold collecting
04/12/1989CN2035885U Collecting bottle for specimen test
04/12/1989CN2035884U Auto sampler for dust reduction by rainfall
04/11/1989US4820920 Method and apparatus for detecting dangerous substances
04/11/1989US4820504 Wrapping tissue rods in casing, embedding, silicing in cross-section
04/11/1989US4820497 Movable cleaning assembly for an aspirating needle
04/11/1989US4820491 Color change
04/11/1989US4819645 Dermal substance collection method
04/11/1989US4819478 Membrane assisted flow injection analysis
04/11/1989US4819477 Method and apparatus for trace sample collection
04/11/1989CA1252389A1 Immunocytochemical microscope control slides
04/06/1989WO1989003038A1 A method for diagnosis using one or more cells, and apparatus intended therefor
04/05/1989EP0310399A2 Tissue and like processing
04/05/1989EP0310310A2 Filter aid for analytical use and method for preparing the same
04/05/1989EP0309641A2 Apparatus for taking and distributing samples
04/05/1989CN2035472U One-time use series universal culture dish
04/05/1989CN2035471U Coupled machine for making golden ore sampler
04/05/1989CN2035470U Constant temperature, constant flow air sampler
04/04/1989US4818870 Air withdrawing sampling probes for a contraband detection system
04/04/1989US4818623 Surface treatment of silicic acid with lipophilic hydrocarbyl halosilane; microscopic staining
04/04/1989US4818489 Device for sampling breath air at the workplace
04/04/1989US4818267 Apparatus for withdrawing a sample from a glass melting furnace
04/04/1989US4817820 Slide dispenser for a reagent cannister
04/04/1989US4817445 Device for the removal of liquid samples
04/04/1989US4817442 Sample splitter
04/04/1989US4817441 Process and apparatus for obtaining a gas sample
04/04/1989CA1252173A1 Apparatus and method for detecting liquid penetration by a container used for aspirating and dispensing the liquid
03/1989
03/30/1989DE3831561A1 Method for the quantification of a cell vital staining with the aid of spectrophotometry
03/29/1989EP0309122A2 Apparatus and method for testing
03/29/1989CN2035081U Sampling examination equipment of parted foot print
03/28/1989US4816410 Control slide for immunoassay kit and method of making same
03/28/1989US4816244 Colors
03/28/1989US4815326 Oxide free sampler
03/28/1989US4815325 Capillary fluid injectors
03/28/1989CA1251716A1 Diagnostic-test specimen-preparation vial
03/23/1989WO1989002311A1 Device for handling goods
03/22/1989EP0308231A2 Liquid-collecting device
03/22/1989EP0308230A2 Extraction device
03/22/1989EP0307940A1 Non-destructive optical trap for biological particles and method of doing same
03/22/1989EP0307449A1 Process for microbiological testing of samples.
03/22/1989CN2034693U Suspended awl condensation division device
03/22/1989CN2034692U Sampling device for water environment under ice layer
03/21/1989US4814143 Low pressure
03/21/1989US4813432 Swab transport system
03/21/1989CA1251340A1 Device suitable e.g. for small solid of liquid sample pyrolysis
03/15/1989EP0307265A2 Gas generating device
03/15/1989EP0307082A2 Method of measuring multicomponent constituency of gas emission flow
03/15/1989EP0306949A2 Radon detection
03/15/1989CN1031762A Method of analysis of impurity element in gallium
03/14/1989US4812412 Standard specimen and method of making and using same
03/14/1989US4812294 Specimen processing system
03/14/1989US4811866 Method and apparatus for dispensing liquids
03/14/1989US4811832 Apparatus for obtaining a random sample
03/14/1989US4811611 Apparatus and method for pressure equalization in closed tube sampler
03/14/1989US4811599 Borehole sampling
03/14/1989CA1251106A1 Dermal substance collection device
03/09/1989WO1989001966A1 Filter units for biological sample preparation
03/08/1989EP0306307A2 Plastic container inspection process
03/08/1989EP0306289A2 Devices for sealing and isolating analyser gas sample flow
03/08/1989EP0306276A2 Method and apparatus for vitrifying and analysing powdery and granular materials
03/08/1989EP0306206A1 Assay device and method
03/08/1989EP0306158A2 Cartridge with sensor
03/08/1989EP0306082A2 Method for the immunolocalization of antigens
03/08/1989EP0305397A1 Annular centrifuge
03/08/1989EP0112884B1 Flow monitoring apparatus
03/08/1989CN2033901U Continuous quartering machine for test samples
03/07/1989US4810659 Pressure from compressed air
03/07/1989US4810487 Method of identifying polymethine stained lymphocyte subpopulations and compositions thereof
03/07/1989US4810471 For preparing chromatography samples
03/07/1989US4809748 Automatic sampling device
03/07/1989US4809549 Apparatus for metering, measuring, or dosing flowing media
03/01/1989EP0305210A2 Apparatus and method for dilution and mixing of liquid samples
03/01/1989EP0304860A2 Cold reserving apparatus
03/01/1989EP0304838A2 Slide dispenser for a reagent cannister
03/01/1989EP0304431A1 Apparatus for plasmapheresis.
03/01/1989CN2033297U Syrup-homogenizing instrument
03/01/1989CN1031422A Multi-part differential analyzing apparatus utilizing light scatter techniques
02/1989
02/28/1989US4808827 Method and apparatus for monitoring the concentration of airborne actinide particles
1 ... 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 ... 741