Patents
Patents for G01N 25 - Investigating or analysing materials by the use of thermal means (15,694)
04/1990
04/10/1990US4915814 Sensor for measurement of air/fuel ratio and method of manufacturing
04/10/1990EP0265513A4 Method and apparatus for measuring cyanide.
04/04/1990EP0361278A2 Disposable sensor
04/03/1990US4913878 Adding tellurium and sulfur or selenium to molten sample; timing cooling curve between two predetermined temperatures
03/1990
03/27/1990US4911357 Humidity controller utilizing absolute humidity
03/22/1990WO1990002948A1 A method and a compositon for the determination of microbial contamination in grain using polymeric two-phase systems
03/21/1990EP0167579B1 Measuring probe for determining the formation of ice or snow
03/20/1990US4909067 Steam quality measurement using separating calorimeter
03/14/1990EP0357903A2 Apparatus for measuring heat transfer, especially a flow indicator
03/07/1990EP0356893A2 Method for measuring a gel-point temperature
03/07/1990EP0356682A2 Moisture sensor
03/07/1990CN1040267A Vibration type on line pour point (condensation point, crystallization point) analyzer
03/06/1990US4906581 Method of quality control for hollow fiber gas transfer cells
03/06/1990US4906580 Saturation monitor and process
02/1990
02/28/1990CN1040096A Process for determination of carbonization potential in gas carbonization furnaces and a device for this process
02/28/1990CN1007019B Direct-reading wet and dry bulb hydrometer
02/27/1990US4904080 Method of monitoring solidification of a liquid composition
02/21/1990EP0355053A2 Process for assessing wax settling in a fuel
02/21/1990CN1006936B Control system and method for gas-making process in gas-making furnace
02/20/1990US4902139 Apparatus and method for measuring the thermal performance of a heated or cooled component
02/13/1990US4900423 Enzyme sensor using immobilized glucokinase
02/08/1990DE3826131A1 Method and apparatus for freezing point osmometry
02/07/1990EP0353517A2 Method for determining the carburizing potential in gas carburizing furnaces, and apparatus therefor
02/06/1990US4898476 Arrangement for measuring the water vapor dew point in gases
02/06/1990US4898475 Apparatus and method for the measuring of dew points
01/1990
01/30/1990US4897193 Quantitative separation; immunoassays
01/30/1990US4896973 Thermomechanical analysis apparatus
01/23/1990US4896281 Method for heat loss survey
01/23/1990US4895750 Carbon composite coated with nickel
01/23/1990US4895081 Gravimetric feeder, especially adapted for use in a calorimetry system
01/17/1990CN1038882A Tester for mechanical and physical performances of solid materials
01/16/1990US4893508 Humidity sensing apparatus and method therefor
01/16/1990US4893477 Frozen foodstuffs thawing detector device
01/11/1990WO1990000203A1 Improved biosensor and the method of its use
01/09/1990US4893315 Calorimetry system
01/09/1990US4892707 Apparatus for the calorimetry of chemical processes
01/09/1990US4891969 Oil/water ratio measurement
01/04/1990DE3921655A1 Measurement head for differential thermal analysis
01/04/1990DE3900943C1 Device for determining the thermal transfer between a quenching agent of a quenching device and a metallic workpiece
01/03/1990EP0349341A2 Method of improving and/or producing oxide superconductor
01/03/1990EP0348742A2 Method for detecting thinned out portion of inner surface or outer surface of pipe
01/03/1990EP0348469A1 Method of automatic particle analysis and means for performing the analysis.
01/03/1990CN2050608U Fast gas analyzer
01/02/1990US4891629 Binary gas analyzer instrument and analysis method
01/02/1990US4890494 Atmospheric sensor
01/02/1990US4890479 System and method for monitoring wet bulb temperature in a flue gas stream
12/1989
12/28/1989WO1989012819A1 Pyroelectric thermometric device
12/27/1989EP0348245A2 Measurement of thermal conductivity and specific heat
12/27/1989EP0348244A2 Measurement of fluid density
12/27/1989EP0348243A2 Calibration of thermal conductivity and specific heat devices
12/27/1989EP0347641A2 Method and apparatus for examining without making contact the surface and the interior of a solid body
12/27/1989EP0347571A2 Method of determining the thermal conduction coefficient of a material, and instrument for the measurement of same
12/26/1989US4890244 Device for inspecting the heat insulation of household appliances, more particularly refrigerators
12/26/1989US4889434 Apparatus for determining crystallization solidification curves of chocolate masses and similar fatty masses
12/21/1989DE3918111A1 Ueberwachungsgeraet Ueberwachungsgeraet
12/20/1989EP0346436A1 System for monitoring vapor concentration.
12/19/1989US4887466 Wet bulb sensor system
12/13/1989EP0345641A2 Device for analysing the stress of an object
12/13/1989CN1037967A Binary gas analyzer instrument and analysis method
12/12/1989US4886370 Method for detecting a state of substance existing in pipe
12/12/1989US4886358 Organic vapor assay by Raman spectroscopy
12/07/1989DE3917935A1 Device and method for determining the thermal conductivity and concentration of liquid mixtures
12/06/1989EP0345215A2 Method for determining the dew point of a moist gas, and apparatus for carrying out the method
11/1989
11/29/1989EP0343811A2 Method and apparatus for testing thermal conductivity
11/29/1989EP0343449A1 Method of and apparatus for determining moisture content in gases
11/23/1989EP0342901A2 Binary gas analyzer instrument and analysis method
11/21/1989US4882571 Sensor used for electrical heating measurement
11/15/1989CN1037212A Method of automatic particle analysis and means for performing the analysis
11/09/1989DE3814132A1 Method for testing bituminous sealants
10/1989
10/31/1989US4877584 Particles of substrate attached to heating filament
10/31/1989US4877329 Method and apparatus for measuring the dew point of a gas
10/25/1989EP0338744A2 Apparatus and method for measuring dissolved gas in oil
10/25/1989EP0337995A1 Steam quality meter
10/25/1989CN1036637A Calorimetry system
10/17/1989US4875175 Method and device for analyzing and measuring physical parameters of a layered material by thermal radiometry
10/17/1989US4874948 Method and apparatus for evaluating the degree of cure in polymeric composites
10/17/1989US4874251 Thermal wave imaging apparatus
10/17/1989US4874250 Apparatus for examination of heats of transformation of material samples
10/11/1989CN2045853U Electronic brain test instrument for insulation work performance
10/10/1989US4872762 Method and apparatus for detecting defective portion on inner surface of pipe
10/10/1989US4872340 Psychrometer
09/1989
09/27/1989CN2045112U Quick ash content determinator
09/27/1989CN1035890A Method of determining quality of steam for stimulating hydrocarbon production
09/26/1989US4869597 Calorimeter
09/26/1989US4869596 Thermally checking the state or the condition of a hydraulic fluid
09/21/1989WO1989008837A1 A device for measuring thermal properties of a sample of a substance
09/21/1989WO1989008828A1 Measuring halogenated organic compounds in soil
09/20/1989EP0333100A2 Method and apparatus for detecting defective portion on non-exposed outer surface of pipe
09/19/1989US4868768 Optical absorption measurement system
09/19/1989US4866983 Analytical methods and apparatus for measuring the oil content of sponge core
09/14/1989DE3906490A1 Heizvorrichtung fuer laengliche prueflinge Heater for elongated specimens
09/12/1989US4866276 Method and apparatus for nondestructive analysis of subsurface features of material
09/12/1989US4865991 Phase separation with acetonitrile and water
09/12/1989US4865461 Apparatus for use in determining a thermal characteristic of a specimen
09/12/1989US4864844 Method and apparatus for evaluating condensation amount
08/1989
08/31/1989DE3804968A1 Method for the non-destructive testing of stone (brick) decay
08/29/1989US4861167 Line-heat-source thermal conductivity measuring system
08/24/1989WO1989007753A1 Ultrasonic temperature measurement and applications in optical spectroscopy and calorimetry
08/23/1989EP0329277A2 Method of monitoring solidification of a liquid composition
08/22/1989US4860224 Surface analysis spectroscopy apparatus