Patents for G01N 1 - Sampling; Preparing specimens for investigation (74,036)
09/1979
09/18/1979US4167875 Filtration method and apparatus
09/18/1979US4167870 Chemical tracer method of and structure for determination of instantaneous and total mass and volume fluid flow
09/18/1979CA1062574A1 Specimen collecting device and method
09/18/1979CA1062500A1 Fluid sampling chamber with pneumatically operated valves
09/18/1979CA1062499A1 Method and a device for forming a filtering fiber cake in an apparatus for measuring the beating degree of pulp flowing through a conduit
09/18/1979CA1062498A1 Dosimeter for monitoring working areas
09/11/1979US4167117 Apparatus and method for sampling flowing fluids and slurries
09/11/1979CA1062042A1 Method of quantifying fugitive emission rates from pollution sources
09/11/1979CA1062041A1 Apparatus for obtaining discrete and measured samples of liquid from a vessel
09/11/1979CA1062039A1 Molten metal sampling device and method with germanium killing agent
09/04/1979US4166738 Containing cerium or magnesium by addition of selenium or sulfur in presence of tellurium
09/04/1979US4166483 Programmable fraction collector
09/04/1979US4166392 Automatic water/sewer sampler
09/04/1979US4166391 Molten metal sampler
09/04/1979CA1061596A1 Fluid metering displacement device, method and system
09/04/1979CA1061594A1 Sample handling system
08/1979
08/28/1979US4166094 Automatic fluid sampling transport system
08/28/1979US4165645 Drive means for ore samplers and the like
08/28/1979US4165643 Process and apparatus for automatically taking samples of beer for analysis
08/28/1979CA1061136A1 On-line liquid samplers
08/14/1979US4164464 Sample concentrator
08/14/1979CA1060227A2 Convergent light illuminated flow cell for liquid chromatography
08/07/1979US4163392 Sampler purge system
08/07/1979CA1059787A1 Latch releasing mechanism for water samplers
07/1979
07/31/1979US4162849 Selected element concentration for flameless atomic absorption spectroscopic measurements
07/25/1979EP0003088A1 Differential olfactometer
07/24/1979US4161883 Conditioning assembly for continuous stack monitoring
07/11/1979EP0002716A2 Molten metal sampler
07/10/1979US4160622 Portable water sampling apparatus
07/10/1979US4160382 Sample taking device for toxic and/or radioactive substances
07/10/1979US4160314 Degraining, a three step process to obtain propellant samples from case bonded motors
07/10/1979CA1057976A1 Probe for use in geological surveys
07/03/1979US4159933 Sample concentrator
07/03/1979US4159893 Method of testing a landfill for its methane potential
07/03/1979US4159635 Isokinetic air sampler
07/03/1979CA1057692A1 Transport device for test sample carriers
07/03/1979CA1057592A1 Transfer process and apparatus therefor
06/1979
06/27/1979EP0002593A1 Apparatus for sampling a flow of liquid from a fluid, at least some of which is a liquid
06/26/1979US4159304 Portable gas detection tube holder
06/26/1979US4159303 Fume exhaust apparatus for laboratory staining dishes
06/26/1979US4158958 Controlled sensitivity monitoring devices
06/26/1979CA1057079A1 Devices for measuring fractionary volumes of a liquid sample
06/26/1979CA1057078A1 Cuvette for sampling a fluid, mixing the sample with a reagent, and directly making optical analysis of the sample mixed with the reagent
06/19/1979US4158536 Apparatus for the automatic preparation and molding of samples for X-ray analysis
06/19/1979CA1056614A1 Automatic pipettor apparatus for multiple sample transfers
06/13/1979EP0002186A1 Disintegrating pressure device
06/12/1979US4157664 Liquid sampling device
06/05/1979US4157040 Apparatus for collecting pyrolysates from a gas-cooled dynamoelectric machine
06/05/1979CA1055728A1 Liquid aspirating probe assembly of a supply analyzer
05/1979
05/29/1979US4156507 Apparatus for removing samples of stream of granular material and for preparing analytical samples therefrom
05/22/1979US4155711 Method and apparatus for determining thyroid function of multiple samples
05/22/1979US4155247 Multi-part gas sampler
05/15/1979US4154794 Gas detector
05/15/1979US4154533 Method and apparatus for measuring a characteristic of flowing material
05/15/1979US4154111 Cotton dust analyzer
05/15/1979US4154088 Apparatus for measuring the particulate matter content of a gas
05/15/1979CA1054498A1 Method and apparatus for collecting atmospheric samples in atmospheric geochemical prospecting
05/08/1979US4153418 Air pollution control
05/08/1979US4152939 Micro-sampling device
05/08/1979US4152923 Apparatus for selectively sampling dust and like solid particles granulometrically
05/08/1979CA1054036A1 Analytical method and apparatus for determination of total nitrogen and/or carbon contents in aqueous systems
05/08/1979CA1054033A1 Reagent supply control in automated fluid analysis
05/01/1979US4152600 Nuclear radiation moisture gauge calibration standard
05/01/1979US4152391 Liquid transfer valve
05/01/1979US4151915 Slide smearing device
05/01/1979US4151832 Serum abstraction device
05/01/1979US4151809 System for evenly applying liquid to a surface
05/01/1979US4151749 Liquid sampling apparatus
05/01/1979US4151742 High volume air sampler
05/01/1979US4151739 Method for checking gas analysis devices
05/01/1979CA1053756A1 Particle analyzing system
04/1979
04/24/1979US4151086 Fluid sample collection and distribution system
04/24/1979US4150922 Electromagnet motor control for constant volume pumping
04/24/1979US4150593 Retractable specimen holder for a rotary microtome
04/24/1979US4150575 Fluid sampler and minimum-included-air-coupling
04/24/1979US4150574 Fluid sampling system
04/17/1979US4149803 Composite petrographic thin section slide and method of making same
04/17/1979US4149414 Apparatus and method for removing samples from frozen meat blocks
04/17/1979CA1052675A1 Pre-coloured microscope slide for blood investigations
04/17/1979CA1052593A1 Vacuum filled sampling device for molten metal
04/10/1979US4148859 Backwash system for diluting apparatus
04/10/1979US4148610 Batch preparation of samples by dilution
04/10/1979US4148315 Device for taking and injecting microsamples of liquid
04/10/1979US4148221 Apparatus for sampling molten metal
04/10/1979US4148211 Sampling system for engine exhaust gas analysis apparatus
04/10/1979CA1052277A1 Production of particles for incorporation in dentifrices
04/10/1979CA1052127A1 Sampler-injector for liquid chromatography
04/10/1979CA1052126A1 Method and apparatus for accurate pipetting of small liquid volumes
04/03/1979US4147500 System for continuous analysis of gasses
04/03/1979US4147062 Liquid sampler
03/1979
03/27/1979US4146414 Method for applying cover-slips to slides carrying specimens for microscopic examination
03/27/1979US4145928 Automated entrainment abundance sampler
03/27/1979CA1051416A1 Core and cuttings automatic recovery system
03/21/1979EP0001137A1 Fluid-treatment device
03/20/1979US4144760 Method and implement to take and collect sample material, especially for scientific or diagnostic examination
03/20/1979US4144759 Automatic pulverized coal sampler
03/13/1979US4144030 Method for improving the rate and measurement accuracy of chemical analysis
03/06/1979CA1049972A1 Two-part composite device for histologic tissue processing and embedding
02/1979
02/27/1979US4141312 Apparatus for histological tissue processing
02/27/1979US4141250 Plural piston, adjustable diluting device having a volume indicator assembly