Patents
Patents for G01N 22 - Investigating or analysing materials by the use of microwaves (3,952)
01/1989
01/31/1989US4801862 Method for measuring complex dielectric constant or complex magnetic constant of materials in three-dimensional directions
01/26/1989WO1989000684A1 Process and device for microwave analysis
01/04/1989EP0297604A2 Reflectometric moisture meter for capillary-porous materials, especially for the soil
12/1988
12/06/1988US4789820 Apparatus and method for sensing multiple parameters of sheet material
12/06/1988US4788853 Moisture meter
11/1988
11/30/1988EP0292571A1 Apparatus for measuring physical quantities and a method therefor
11/17/1988WO1988008969A1 Method for measurement of amplifier s parameters
11/03/1988WO1988008529A1 Device for measuring, at a plurality of points, the microwave field diffracted by an object
11/01/1988US4781063 Method of measuring orientation of sheet or web like material
10/1988
10/26/1988EP0288135A2 Microwave probe
10/26/1988EP0287725A1 Method for measuring properties of sheet- or foil-like materials of low electrical conductivity
10/20/1988DE3710789A1 Method for passive measurement of liquid films and/or foam layers on water
10/11/1988US4776210 Multiphase fluid flow measurement systems and methods
08/1988
08/30/1988US4767982 Concentration detection system
08/30/1988US4767981 Moisture content detector
08/25/1988DE3704290A1 Adaptor between a microwave sensor and a commercially available spark plug
08/23/1988US4766081 Microwave spectrometry
08/23/1988US4765179 Radio frequency spectroscopy apparatus and method using multiple frequency waveforms
08/16/1988US4764718 For measuring relative concentrations of oil and water
07/1988
07/05/1988US4755743 Method and apparatus for measuring the moisture content or dry-matter content of materials using a microwave dielectric waveguide
06/1988
06/28/1988US4754214 Method and apparatus for determining the dielectric constant of materials, in particular heater ash
06/16/1988WO1988004423A1 Apparatus for measuring physical quantities and a method therefor
05/1988
05/25/1988EP0268399A2 Microwave apparatus for measuring fluid mixtures
05/24/1988CA1237171A1 Microwave moisture sensor
05/17/1988US4745353 In situ BS&W measurement
05/10/1988EP0227739A4 Differential imaging device.
04/1988
04/26/1988US4740763 For very high power; absorber-chamber with octanol
04/19/1988US4739249 Method and apparatus for the measurement of the properties of sheet- or foil-like materials of low electrical conductivity
04/05/1988CA1234927A1 Microwave measuring and apparatus for contactless non-destructive testing of photosensitive materials
03/1988
03/23/1988EP0260321A1 Method for the examination of electrically active impurities of semiconductor materials or structures and measuring arrangement for carrying out the method.
03/23/1988CN86106018A Method of particles flow measurement and charred powder flowmeter
02/1988
02/23/1988US4727311 Microwave moisture measurement using two microwave signals of different frequency and phase shift determination
02/23/1988US4727231 Detecting reflected waves; controlling power
01/1988
01/27/1988EP0253963A2 Device for examining gases by the use of microwaves
01/26/1988CA1231853A1 Moisture measuring method and apparatus
01/20/1988EP0253658A2 Method of predicting yarn properties
01/20/1988CN87201067U Transducer for measuring fatty acid content in toilet soap
01/13/1988EP0252235A2 Method and device for analysis by microwaves
01/12/1988US4719060 Modification rate and dye uptake
01/06/1988CN87207683U Microwave measuring carbon instrument
12/1987
12/29/1987US4716360 Moisture detector apparatus and method
12/23/1987EP0249738A1 Device for the continuous measurement of the humidity of food products
12/10/1987DE3619314A1 Microwave measuring apparatus
12/09/1987CN86103650A Ionization detector with microwave plasma
12/01/1987US4710700 Method of measuring orientation or dielectric characteristic of dielectric sheets or webs
11/1987
11/17/1987US4707652 Impurity detector measuring parallel polarized scattered electromagnetic radiation
11/10/1987US4705409 Method and apparatus for measurement of carbon content in fly ash
11/03/1987US4704576 Microwave measuring and apparatus for contactless non-destructive testing of photosensitive materials
10/1987
10/27/1987US4703273 Pulsing a high frequency responsive device with high frequency energy
10/22/1987DE3612749A1 Contactless determination of the weight of food items by the measurement of microwave absorption
10/20/1987CA1228399A1 Water moisture measuring instrument and method
10/14/1987EP0240610A2 Apparatus and method for sensing multiple parameters of sheet material
10/14/1987CN86102183A Microwave carbonmeter
09/1987
09/29/1987CA1227543A1 Apparatuses, processes and articles for analyzing materials for moisture content by controllably drying such materials by microwave radiation
09/24/1987WO1987005701A1 Method for the examination of electrically active impurities of semiconductor materials or structures and measuring arrangement for carrying out the method
09/23/1987EP0237563A1 Apparatus for inspection and/or positioning objects with wave energy using wave guides
08/1987
08/13/1987DE3627966A1 Method and device for measuring the phase distribution of unconsolidated bulk goods or consolidated geological cores
07/1987
07/28/1987US4683418 Moisture measuring method and apparatus
07/21/1987US4681996 Analytical process in which materials to be analyzed are directly and indirectly heated and dried by microwave radiation
07/14/1987US4679426 Wave shape chemical analysis apparatus and method
07/08/1987EP0227739A1 Differential imaging device
07/08/1987CN86205895U Microwave water content measuring instrument for measuring total water content in concentration coal
07/08/1987CN86202503U Reflective microwave water content measuring device
07/07/1987US4677852 Method of and apparatus for inspecting and/or positioning objects with wave energy using wave guides
06/1987
06/30/1987US4676651 Method and apparatus for controlling the dye receptivity of textiles
06/23/1987US4675595 Method for measuring the moisture ratio of organic material, and apparatus herefor
06/23/1987US4674325 Microwave moisture sensor
06/04/1987DE3633086A1 Device for testing bottles
06/02/1987CA1222397A1 Microwave moisture sensor
05/1987
05/27/1987EP0223748A1 Method and apparatus for determining the content of unburnt coal in an ash from a combustion heater
05/27/1987EP0223266A1 In situ BS&W measurement
05/13/1987CN86201833U Microwave carbon detector
05/05/1987US4663507 Inducing combustion
04/1987
04/28/1987US4660572 Container, for fixing an animal to be tested in a biochemical test
04/09/1987WO1987002136A1 Method of an apparatus for inspection and/or positioning objects with wave energy using wave guides
04/08/1987EP0217111A1 Method for determining the distribution of dielectric constants in a sample, and measuring apparatus for carrying out the method
04/01/1987EP0216474A2 Probe for measuring and/or for exercising a control in dependence upon the value of a characteristic of a material, and method of using said probe
03/1987
03/31/1987US4653855 Apparatus and process for object analysis by perturbation of interference fringes
03/17/1987US4651085 Apparatus for measuring the ratio of alcohol contained in mixed fuel
03/12/1987WO1987001455A1 Wave shape chemical analysis apparatus and method
02/1987
02/11/1987CN86101518A Apparatus measuring minority carrier's life of semiconductor material with medium wave guide
01/1987
01/31/1987CN86100707A Microwave measurment device of saturation of the water contained in the physical model of the core for studying petroleum rock
12/1986
12/30/1986CA1216042A1 Flaw detection method using microwaves
12/04/1986WO1986007148A1 Differential imaging device
10/1986
10/28/1986US4620146 Microwave moisture sensor
10/07/1986US4616120 Microwave-heating apparatus having means for measuring reflection coefficient under low power operation
08/1986
08/26/1986US4607521 Method of improving response characteristics of gas sensor using microwave spectrometer
08/19/1986US4607212 Method and apparatus for detection of knots or the like in sawn lumber
08/06/1986EP0189414A1 Process for measuring the state changes induced by weather elements on traffic surfaces and apparatus for implementing such process.
07/1986
07/15/1986US4601050 Method of testing ceramic article
07/15/1986US4600879 Water moisture measuring instrument and method
04/1986
04/30/1986EP0179522A2 Apparatus and process for object analysis by pertubation of interference fringes
04/09/1986EP0177011A1 Method of measuring orientation of sheet or web like materials
04/09/1986EP0176889A2 Method of measuring orientation or dielectric characteristic of dielectric sheets or webs
04/08/1986US4581575 Method and apparatus for measuring orientation of constituents of webs or sheets
04/08/1986US4580441 Diesel smoke meter
02/1986
02/26/1986EP0172184A1 Method and apparatus for measuring the moisture of seeds in high frequency with multiple corrections
02/19/1986EP0171620A1 Microwave-heating apparatus
01/1986
01/29/1986CN85200299U Self-excitation coaxial cavity sensor for moisture measuring
01/28/1986US4566804 Apparatuses, processes and articles for controllably heating and drying materials by microwave radiation
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