| Patents for G01N 22 - Investigating or analysing materials by the use of microwaves (3,952) |
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| 03/11/1992 | CN1015830B Imaging tester of null bridge flaws in plane-wave antenna |
| 03/05/1992 | WO1992003745A1 Method and apparatus for r.f. tomography |
| 02/25/1992 | CA1296411C Method and apparatus for detecting unwanted liquid contamination in oil drums prior to their filling |
| 02/20/1992 | WO1992002807A1 Method and apparatus for detecting soot concentration in particulate trap |
| 02/12/1992 | EP0470506A2 Infrared-microwave-sensor system for recognition of road conditions |
| 02/12/1992 | CN2096068U Automatic tester for microwave stove leakage |
| 02/11/1992 | US5087805 Printed and encoded mass distributable response piece and method of making the same |
| 02/04/1992 | US5086279 Method of and apparatus for measuring the moisture content of fibrous materials |
| 02/04/1992 | US5085527 Computer controlled microwave oven water content determination |
| 01/29/1992 | EP0468057A1 Detector for conductive substance mixed in string-like material |
| 01/21/1992 | US5083089 Fluid mixture ratio monitoring method and apparatus |
| 01/15/1992 | EP0465858A1 Method for manufacturing a polyimide |
| 01/08/1992 | EP0465400A2 Device for measuring the relative amount of a liquid in a mixture |
| 12/31/1991 | US5077522 Device for the dielectric characterization of samples made of a material having a flat or uneven surface and application for the non-destructive control of the dielectric homogeneity of said samples |
| 12/27/1991 | EP0462803A2 Method and apparatus for determining oil/water mixtures in a well borehole |
| 12/20/1991 | CA2044944A1 Dielectric measuring apparatus for determining oil and water mixtures in a well borehole |
| 12/17/1991 | US5073755 Method and apparatus for measuring the electrical properties of dielectric film in the gigahertz range |
| 12/11/1991 | CN2090532U Monitor capable of calculating net oil level |
| 12/10/1991 | US5072188 Apparatus for measuring the conductivity of paint spray using an electromagnetic wave |
| 12/04/1991 | CN1056748A Microwave detecting instrument for moisture content |
| 12/03/1991 | US5069070 Method for determining the alcohol content and/or the calorific value of fuels via propagation parameters |
| 12/03/1991 | CA1292774C Microwave moisture measurement using two microwave signals of different frequency and phase shift determination |
| 11/26/1991 | CA1292369C Unthreshed head grain loss monitor |
| 11/21/1991 | DE4015384A1 Fibre orientation determn. - using varied orientation of test piece and microwave beam to give alignment without contact or damage to test material |
| 11/19/1991 | US5065615 Passive atmospheric liquid water measuring system and process |
| 11/06/1991 | EP0455527A1 Microstrip line resonator composed of oxide superconductor material |
| 11/06/1991 | CN2088252U Microwave measuring apparatus for moisture content of matters |
| 11/06/1991 | CN1014637B Discrimination method of solid material and its apparatus |
| 10/30/1991 | EP0454565A1 Macrowave cavity for measuring electromagnetic characteristics of a moving fifliform material |
| 10/26/1991 | CA2041086A1 Microwave cavity adapted for measuring the electromagnetic characteristics of a scrolling filamentary material |
| 10/22/1991 | US5059914 Microwave device for the continuous measurement of the viscosity of a viscous medium |
| 10/22/1991 | CA1291210C Device for continuously measuring the rate at which fibres conducting or not conducting electricity are impregnated by a substance |
| 10/15/1991 | US5057782 Microwave spectrometer |
| 10/03/1991 | WO1991014945A1 Directional sampling bridge |
| 10/03/1991 | WO1991014936A1 Determination of carbon in fly ash |
| 10/02/1991 | EP0449744A1 Directional sampling bridge |
| 09/24/1991 | US5051748 Device for transmitting and receiving microwave radiation, for forming images of buried objects |
| 09/17/1991 | US5049823 Method and device for measuring the qualities of a multiphase fluid |
| 09/17/1991 | US5049812 Device for the electric characterization of samples and application to electric mapping of large area semiconductor samples |
| 09/10/1991 | US5046356 Apparatus for determining water content of powder/granule |
| 08/22/1991 | WO1991012518A1 Process and device for determining the moisture content of the material of a test object using microwaves |
| 08/14/1991 | DE4004119A1 Verfahren zur messung der feuchte eines messgutes mit hilfe von mikrowellen und vorrichtung zur durchfuehrung des verfahrens A method for measuring the wet mess of a good with the help of microwave and apparatus for performing the method |
| 08/13/1991 | US5039949 RF absorber test system |
| 08/13/1991 | US5039948 Apparatus for measuring electromagnetic characteristics of a very high temperature material |
| 08/13/1991 | US5039947 Microwave technique for single kernel, seed, nut, or fruit moisture content determination |
| 08/08/1991 | WO1991011706A1 Detector for conductive substance mixed in string-like material |
| 08/01/1991 | DE4002291A1 Testing welds in plastic film linings - by passing electric field generator and corresp. receiver along on opposite sides of weld and hence testing non-destructively |
| 07/25/1991 | WO1991010899A1 Process and device for determining amplitude and phase values according to a reflectometric measurement process |
| 07/24/1991 | EP0437532A1 Composition monitor and monitoring process using impedance measurements. |
| 07/10/1991 | EP0436286A2 Means and method for analyzing a petroleum stream |
| 07/09/1991 | CA1285990C Microwave radiometer and methods for sensing atmospheric moisture and temperature |
| 07/03/1991 | EP0435433A2 Water content monitor apparatus and method |
| 07/03/1991 | CN2080177U Portable rapid measuring instrument for water content in oil product |
| 07/03/1991 | CA2025076A1 Means and method for analyzing a petroleum stream |
| 07/03/1991 | CA2025075A1 Means and method for analyzing a petroleum stream |
| 07/02/1991 | US5028897 Microwave transmission arrangement |
| 06/27/1991 | CA2020351A1 Watercut means and method with debris reducing test cell |
| 06/18/1991 | US5025222 System and method for monitoring substances and reactions |
| 06/13/1991 | WO1991008469A2 System and method for monitoring substances and reactions |
| 06/12/1991 | EP0431365A2 Apparatus for measuring the conductivity of a fluid |
| 05/14/1991 | US5016018 Aperture synthesized radiometer using digital beamforming techniques |
| 05/07/1991 | US5014010 Dual frequency microwave water cut monitoring means and method |
| 05/02/1991 | WO1991005993A1 Process for determining the optimal size of catalyst particles for use in heterogenous catalysis |
| 05/02/1991 | DE3935155A1 Representing object for examination esp. body part - using interfering shortwave EM beams enabling movement of sensing zone during measurement |
| 05/01/1991 | CN1051085A Improvements to oil/water measurement |
| 04/24/1991 | EP0424167A2 Particle classification |
| 04/09/1991 | US5006785 Microwave oil saturation scanner |
| 04/05/1991 | WO1991005243A1 Improvements to oil/water measurement |
| 03/27/1991 | EP0418576A1 Procedure and equipment for analysing gaseous media by means of microwaves |
| 03/27/1991 | EP0401277A4 Microwave spectrometer |
| 03/27/1991 | CN1012140B Sorting machine by separating one matter from solid mixture |
| 03/20/1991 | EP0418117A1 Apparatus for characterising dielectric properties of samples of materials, having an even or uneven surface, and application to the non-destructive control of the dielectric homogeneity of said samples |
| 03/19/1991 | US5001436 Device for measuring the water content of a substrate, in particular the skin |
| 03/19/1991 | US5001434 Variable mode microwave water cut monitor and method |
| 03/19/1991 | US5001433 Apparatus and method for measuring electric characteristics of material |
| 03/07/1991 | WO1991002966A1 Moisture content by microwave phase shift and mass/area |
| 03/07/1991 | WO1991002965A1 Microwave-spectroscopy system |
| 02/28/1991 | DE3928004A1 Anordnung zur mikrowellen-spektroskopie Arrangement for microwave spectroscopy |
| 02/28/1991 | DE3927394A1 Thickness measurement arrangement improved for thin material - placing material on metal plate with window opposite modulator reflecting microwaves |
| 02/26/1991 | US4996490 Microwave apparatus and method for measuring fluid mixtures |
| 02/19/1991 | US4994818 Scanning tip for optical radiation |
| 02/12/1991 | US4991915 Microwave moisture sensing arrangement |
| 02/05/1991 | US4990858 Coaxial microwave asborption diagnostic |
| 01/29/1991 | CA1279696C Concentration detection apparatus and method |
| 01/24/1991 | WO1991000997A1 System and method for monitoring substances and reactions |
| 01/24/1991 | CA2350892A1 System and method for monitoring substances and reactions |
| 01/16/1991 | EP0408438A1 Microwave device for measuring continuously the viscosity of a viscous medium |
| 01/16/1991 | EP0407930A1 Nondestructive inspection method and apparatus |
| 01/10/1991 | WO1991000512A1 Portable device for use in the measurement of the dielectric properties of materials |
| 01/08/1991 | WO1991000996A1 Microwave apparatus and method for measuring fluid mixtures |
| 12/19/1990 | EP0260321B1 Method for the examination of electrically active impurities of semiconductor materials or structures and measuring arrangement for carrying out the method |
| 12/12/1990 | EP0401277A1 Microwave spectrometer. |
| 12/11/1990 | US4977377 Microwave water cut monitor with temperature controlled test cell |
| 12/05/1990 | EP0401143A2 Method for measuring physical characteristics, detecting and identifying flaw zones in a piece, especially of ligneous material, and device for working out this method |
| 12/05/1990 | EP0400126A1 Process and device for the continuous determination of the moisture content of a bulk material |
| 12/04/1990 | US4975968 Timed dielectrometry surveillance method and apparatus |
| 12/04/1990 | US4974446 Method and apparatus for analyzing a multi-phase flow in a hydrocarbon well |
| 12/04/1990 | CA1277155C In situ bs&w measurement |
| 11/28/1990 | EP0399876A1 Method and apparatus for measuring the properties of a multiphase fluid |
| 11/28/1990 | EP0399871A2 Arrangement for the measurement of electromagnetic characteristics of a material on very high temperature |