| Patents for G01N 25 - Investigating or analysing materials by the use of thermal means (15,694) |
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| 11/26/1991 | US5067977 Method and apparatus for measuring the efficiency of cooling devices |
| 11/22/1991 | CA2039601A1 Temperature controlled chamber for analytical instrument |
| 11/21/1991 | EP0456776A1 Apparatus for automatically and non-destructively determining the class of standardized mechanical properties of a sample of hygroscopic material. |
| 11/21/1991 | EP0456763A1 Sensor |
| 11/21/1991 | DE4015893A1 Contactless and non-destructive structure testing appts. - scanning inner or outer surface of absorptive test piece by modulated excitation laser beam |
| 11/19/1991 | US5066533 Boron nitride membrane in wafer structure and process of forming the same |
| 11/17/1991 | WO1991018285A1 Method of judging carbon equivalent, carbon content, and silicon content of cast iron and estimating physical and mechanical properties thereof, and cooling curve measuring cup used for said method |
| 11/17/1991 | CA2080490A1 Method of determining the carbon equivalent, carbon content and silicon content of molten cast iron and estimating the physical and mechanical properties of the iron, and cooling curve measuring cup used in the method |
| 11/14/1991 | WO1991017414A2 Non-destructive structural evaluation |
| 11/13/1991 | EP0455734A1 Saturation monitor and process |
| 11/12/1991 | US5064296 Integrated semiconductor circuit for thermal measurements |
| 11/12/1991 | US5064294 Process and apparatus for investigating and controlling changes of state of a liquid or gelled medium by differential thermal analysis |
| 11/12/1991 | CA1291884C Method and a device for determining moisture content |
| 11/06/1991 | CN2088253U Distillation process tester using a compressor as a refrigerator |
| 10/31/1991 | WO1991016638A1 Method and apparatus for photoinductive imaging |
| 10/31/1991 | DE4116322A1 Measuring device for dew point and atmos. compsn. - comprises integrated chip with multicomponent sensor and provision for selective attachment of cooling or heating element |
| 10/31/1991 | DE4013975A1 Heat conductivity measurer for test piece - has two covering reflection and/or absorption shields transparent to light of irradiating and measuring appts. |
| 10/22/1991 | CA1290958C Channel device and tube connection and their fabrication procedures |
| 10/17/1991 | WO1991015757A1 Apparatus and method for calorimetrically determining battery charge state |
| 10/15/1991 | US5056928 Method and apparatus for measuring a change in state of a subject fluid |
| 10/08/1991 | CA1290421C Method and apparatus for detecting defective portion on inner surface ofpipe |
| 10/04/1991 | CA2079338A1 Apparatus and method for calorimetrically determining battery charge state |
| 10/02/1991 | DE4010210A1 Arrangement for measuring liquid nutrient flows in tree trunks - uses passive or active heating to constant temp. and measures delivered power as measure of flow rate |
| 10/01/1991 | US5053200 Flammable vapor analyzer |
| 10/01/1991 | US5052819 Method of and apparatus for nondestructively determining the composition of an unknown material sample |
| 10/01/1991 | US5052818 Method of and apparatus for measuring very low water content in gas |
| 10/01/1991 | US5052817 Ignitability test method and apparatus |
| 10/01/1991 | US5052816 Junction inspection method and apparatus for electronic parts |
| 09/25/1991 | CN2085522U Sound, light and digit display gas alarm |
| 09/24/1991 | US5051701 Pyroelectric sensing apparatus substantially independent of noise output caused by mechanical shock or electrical shock |
| 09/18/1991 | EP0447052A1 Method and apparatus for the measurement of wet and dry bulb temperatures and water content of gas streams |
| 09/18/1991 | CN2085063U Immersion head for measuring temp. and testing carbon content |
| 09/17/1991 | US5050109 Method and apparatus for measuring the humidity of ambient air surrounding an aircraft in flight |
| 09/17/1991 | US5048346 Method of estimating the thermal stress of a heat-resistant member by testing a model of the member made of a different material |
| 09/11/1991 | EP0445861A1 Method and device for determination of the Wobbe index |
| 09/10/1991 | US5047626 Optical fiber sensor for measuring physical properties of liquids |
| 09/03/1991 | US5044767 Device for measuring thermal properties of a test substance-the transient plane source (TPS) method |
| 09/03/1991 | US5044766 Method and apparatus for determining the thermal time constant of fine metal wire segments |
| 09/03/1991 | US5044764 Method and apparatus for fluid state determination |
| 08/28/1991 | EP0443260A1 Method for determining an equivalent average temperature associated with the thermal history of equipment |
| 08/27/1991 | US5043905 Automatic method for controlling a process melt of two-phase cast brass |
| 08/27/1991 | US5042294 Moisture detection probe |
| 08/27/1991 | CA1287986C Humidity detecting circuit |
| 08/21/1991 | EP0442205A2 Method for monitoring the effects of thermal and radiation exposure |
| 08/20/1991 | US5041987 Method for predicting and controlling the strength development of concrete and apparatus therefor |
| 08/20/1991 | US5040541 Whole body calorimeter |
| 08/14/1991 | EP0441033A2 Apparatus for determining the thermal history of equipment utilizing solid state track recorders |
| 08/14/1991 | CN2082860U Synthesis parameters testing instrument of artificial diamond |
| 08/08/1991 | WO1991011707A1 Device for determining the nature of a hydraulic fluid |
| 08/08/1991 | WO1991008477A3 Apparatus for automatically and non-destructively determining the class of standardized mechanical properties of a sample of hygroscopic material |
| 08/07/1991 | EP0439950A1 Determination of thermal conductivity and specific heat of gases at reference conditions |
| 08/06/1991 | US5038304 Calibration of thermal conductivity and specific heat devices |
| 08/01/1991 | DE4002792A1 Vorrichtung zur ermittlung der beschaffenheit einer druckuebertragungsfluessigkeit Device for determining the quality of a druckuebertragungsfluessigkeit |
| 07/31/1991 | WO1991011704A1 Method for inspecting density of carbon fibers in a substrate by infrared imaging |
| 07/31/1991 | EP0438859A2 Measuring energy in fuel gases |
| 07/31/1991 | CN1053496A Stirring method of milk samples and stirrer |
| 07/30/1991 | US5035514 Thermal probe for measuring thermal properties of a flowing medium |
| 07/25/1991 | DE4001928A1 Inherent moisture content measurer for bulk material - has measuring sensors symmetrically arranged on cone placed in free-falling stream of material e.g. cement additive |
| 07/25/1991 | CA2021228A1 Online energy flow measuring device for natural gas |
| 07/23/1991 | US5033320 Device for determining phase transitions using a sample of molten metal |
| 07/18/1991 | DE4100241A1 One temp. sensor in catalytic exhaust purifier - receives small untreated gas stream for comparison with other sensor to indicate purifier effectiveness |
| 07/17/1991 | EP0436540A1 Pyroelectric thermometric device |
| 07/17/1991 | CN1053126A Precise composition determination of cast iron by thermal analysis |
| 07/16/1991 | US5032727 Product defect detection using thermal ratio analysis |
| 07/09/1991 | US5030012 Pyroelectric calorimeter |
| 07/03/1991 | CN1013060B Measurement instrument of linear expansion coefficient of plastics |
| 07/02/1991 | US5029103 Carbon dioxide monitor |
| 07/02/1991 | US5028543 Analyzing for PCB, slurrying in water, solvent extraction, reaction to form alkali halide followed by reaction with mercuric nitrate, colorimetric analysis |
| 07/02/1991 | US5028143 Humidity dew point sensor |
| 07/02/1991 | US5027642 Method of detecting and or removing trace amounts of condensible vapors from compressed gas |
| 07/02/1991 | US5027499 Diposition of wall; dissolving; thermoconductivity recording |
| 06/27/1991 | WO1991009292A1 High temperature humidity determining device and process |
| 06/26/1991 | EP0434325A1 Control of opacity of a moving non-woven sheet |
| 06/20/1991 | DE4009252C1 Continuous measurement of chlorine in cyanuric chloride synthesis - by condensing part of the gas mixt. and sepg. it to measure chlorine using a photometer |
| 06/18/1991 | US5024532 Dew point measuring apparatus installation system |
| 06/12/1991 | EP0431398A2 Heating device with a phase change temperature controller |
| 06/12/1991 | EP0431394A2 Method and apparatus for gas analysis |
| 06/12/1991 | CN2078879U Overhumidity alarm of cotton |
| 06/12/1991 | CN1052190A Heat exciter |
| 06/12/1991 | CN1012846B Vibration type on line pour point analyzer |
| 06/12/1991 | CN1012845B Thermal analysing arrangements |
| 06/11/1991 | US5022967 Microdistillation apparatus |
| 06/06/1991 | DE3939877A1 Foil thickness-thermal property contactless measurer - has deflector ensuring opposite directions of heating radiation from measurement object |
| 06/06/1991 | DE3939876A1 Foil thickness-thermal property contactless measurement device - has head connected to heat source and thermal radiation receiver via optical conductors |
| 06/05/1991 | EP0423235A4 Improved biosensor and the method of its use |
| 06/05/1991 | CA2029611A1 Heating device with a phase change temperature controller |
| 06/04/1991 | US5020920 Inhomogeneities |
| 06/02/1991 | WO1991008477A2 Apparatus for automatically and non-destructively determining the class of standardized mechanical properties of a sample of hygroscopic material |
| 06/02/1991 | CA2045462A1 Apparatus for automatically and non-destructively determining the class of standardized mechanical properties of a sample of hygroscopic material |
| 05/29/1991 | CN2077999U Automatic multifunctional thermostatic bake oven |
| 05/29/1991 | CN1051790A Intelligent tester for steam humidity |
| 05/28/1991 | US5020000 Measuring dryness fraction |
| 05/28/1991 | US5019775 Calibrating an eddy-current-probe using a modulated thermal energy source |
| 05/22/1991 | EP0427978A2 Tire cord thermal analysis testing device and method |
| 05/21/1991 | US5018086 Fault detection in olefin oxidation reactor |
| 05/21/1991 | US5017875 Disposable sensor |
| 05/21/1991 | US5017775 Optical apparatus for detecting cavitation bubbles in liquids |
| 05/21/1991 | US5016472 Dusty environment wet bulb indicator |
| 05/21/1991 | US5016468 Method and apparatus for the determination of moisture in materials |
| 05/14/1991 | US5015950 Method and apparatus for determining thermal resistance and structural integrity of coatings on conducting materials by monitoring electrical conductance of the underlying material upon localized heating of the overlying coating |