Patents
Patents for G01N 29 - Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object (28,925)
01/1999
01/07/1999WO1999000659A1 Micromachined opto-thermal gas sensor
01/07/1999WO1999000640A1 Method and device for measuring the concentration of ions implanted in semiconductor materials
01/07/1999EP0889322A2 Method of non-destructive testing of a railway wheel
01/07/1999EP0889140A1 Method of operating a machine for the stress relieving of workpieces
01/07/1999EP0888535A1 Lamb wave ultrasonic probe for crack detection and measurement in thin-walled tubing
01/07/1999CA2295225A1 Method and system for detecting material using piezoelectric resonators
01/07/1999CA2284836A1 Micromachined opto-thermal gas sensor
01/05/1999US5856622 Clamp-on type ultrasonic flow meter and a temperature and pressure compensation method therein
12/1998
12/30/1998WO1998059237A1 Dynamic ultrasonic resonance testing
12/30/1998EP0887642A1 Probe combining a flexible ultrasonic transducer and a flexible eddy current sensor
12/30/1998EP0756740B1 Process and device for tracing an ultrasound field
12/30/1998CN1203663A Ultrasonic device for determining bone characteristics
12/29/1998US5853994 Particle agglutination assay system
12/24/1998DE19726608A1 Noise determination method for road or railway
12/23/1998EP0885389A1 Apparatus for acoustic flaw detection in a moving strip
12/23/1998CN1041283C Detecting broken fibre position in fibre membrane filter unit and method for sealing
12/22/1998US5852308 Micromachined inferential opto-thermal gas sensor
12/22/1998US5852243 Method and apparatus for detecting a road pavement surface condition
12/22/1998US5852233 For the examination of a specimen
12/22/1998US5852232 Instrument for sensing a sample
12/22/1998US5852229 Piezoelectric resonator chemical sensing device
12/17/1998WO1998057166A1 Method and apparatus for monitoring of tensioned cables
12/17/1998WO1998057165A1 Acoustic gas concentration sensor and control for oxygen concentrator
12/17/1998WO1998057164A1 Condensation point detection
12/17/1998WO1998057163A1 Measurement of physical or technical values of viscous media by means of rayleigh waves
12/17/1998CA2290390A1 Method and apparatus for monitoring of tensioned cables
12/16/1998EP0883876A1 Ultrasound transmissive pad
12/16/1998EP0883805A1 Method and device for the continuous measurement and control of the composition of a wetting-agent solution for offset printing
12/16/1998CN2300909Y Ultrasonic wave contant net measuring instrument
12/11/1998CA2207563A1 Method and apparatus for monitoring of tensioned cables
12/10/1998WO1998028631A3 Ultrasound scan conversion with spatial dithering
12/09/1998EP0882427A1 Ultrasonic imaging device having a bearingless rotating mirror
12/09/1998CN1201525A Ultrasonic testing (UT) system signal processing
12/09/1998CN1201146A Concrete-bridge fatigue detecting technology and instrument
12/08/1998US5847281 System for measuring ultrasonically the elastic properties of a moving paper web
12/08/1998US5846708 Optical and electrical methods and apparatus for molecule detection
12/03/1998WO1998054550A1 Method for measuring density and mass flux
12/03/1998DE19723001A1 Method to detect kink, depression or air hole in hose carrying medium
12/03/1998DE19722274A1 Verfahren zur Messung von Dichte und Massenstrom A method for measuring density and mass flow
12/02/1998EP0880694A1 Ultrasonic sputtering target testing method
12/02/1998CN2299317Y Mechanical scanning device for ultrasonic harmless flaw detector
12/01/1998US5844684 Optical method for determining the mechanical properties of a material
12/01/1998US5844140 Levitation apparatus
12/01/1998US5844139 Method and apparatus for providing dynamically variable time delays for ultrasound beamformer
12/01/1998US5843035 Apparatus for detecting excessive air in a liquid flow-through tube
11/1998
11/26/1998WO1998053292A1 Analyzing the internal pressure of containers
11/26/1998DE19737914C1 Energy measuring instrument for pulsed laser
11/25/1998EP0879413A1 Surface wave liquid sensor
11/25/1998CN1199862A Method and device for processing signals representative of waves reflected, transmitted or refracted by volume structure with view to exploring and analyzing this structure
11/24/1998US5841889 Ultrasound image texture control using adaptive speckle control algorithm
11/24/1998US5841032 For measuring phase shift in a sample
11/24/1998US5841031 Method and apparatus for evaluation and inspection of composite-repaired structures
11/24/1998US5840034 Ultrasonic imaging method and ultrasonic diagnostic apparatus
11/24/1998US5840033 Method and apparatus for ultrasound imaging
11/24/1998US5840032 Method and apparatus for three-dimensional ultrasound imaging using transducer array having uniform elevation beamwidth
11/24/1998US5840023 Optoacoustic imaging for medical diagnosis
11/24/1998CA2007190C Laser optical ultrasound detection
11/19/1998WO1998052032A1 Method for residual stress measuring
11/19/1998DE19737888C1 Complex elasticity or shear modulus evaluation method for thin polymer layer
11/19/1998DE19737880C1 Complex elasticity or shear modulus evaluation method for thin polymer layers
11/19/1998DE19715634C1 Workpiece size control method for increasing machine tool machining accuracy
11/18/1998EP0878710A1 Method for residual stress measurement
11/18/1998EP0878691A1 A device for ultrasonic inspection of a multi-layer metal workpiece
11/18/1998EP0878043A1 Method of determining the position of a switching device
11/18/1998EP0878042A1 Metal-encased switchgear with partial discharge detection
11/18/1998EP0878041A1 Encased arrangement
11/18/1998EP0878040A1 Metal-encased switchgear
11/18/1998EP0835444A4 Ultrasonic path bundle and systems
11/18/1998EP0809802A4 Air-in-line sensing apparatus
11/18/1998CN1199464A Non destructive control device for ultrasound controlling of elongate part
11/17/1998US5838446 Determination of coating adhesion
11/17/1998US5837900 System and method for detecting metal ion oxidation in pacing lead
11/17/1998US5837899 Ultrasonic testing (UT) system having improved signal processing
11/17/1998US5837898 Electromagnetic acoustic transducer (EMAT) for ultrasonic inspection of liquids in containers
11/17/1998US5837896 Detection of defects using resonant ultrasound spectroscopy at predicted high order modes
11/17/1998US5837885 Method and device for measuring the characteristics of an oscillating system
11/17/1998US5837880 Compact ultrasonic calibration block
11/17/1998US5836881 Focusing delay calculation method for real-time digital focusing and apparatus adopting the same
11/17/1998US5836876 Method and apparatus for determining bone density and diagnosing osteoporosis
11/17/1998US5836200 Cell for measuring acoustical properties of fluid samples under high pressure
11/12/1998WO1998050781A1 Method and apparatus for frequency encoded ultrasound-modulated optical tomography of dense turbid media
11/12/1998WO1998050133A1 Particle manipulation
11/12/1998DE19819893A1 Improving the resolution and sensitivity for colour ultrasonic image generation of the human anatomy
11/12/1998DE19719545C1 Sectional belt moving e.g. ultrasonic transducers along a test piece
11/12/1998CA2288795A1 Particle manipulation
11/11/1998EP0713578B1 Cell for measuring acoustical properties of fluid samples under high pressure
11/10/1998US5835884 Computer-readable storage medium
11/10/1998US5834648 Method for identifying a compound using an acoustic microscope
11/10/1998US5832923 Utrasound imaging system architecture employing switched transducer elements
11/09/1998CA2204950A1 Determination of phase change phenomena of matter using acoustic resonance technology (art)
11/05/1998WO1998049553A1 Ground anchorage testing system
11/05/1998DE19729280C1 Ultrasonic microscope
11/05/1998DE19725012C1 Measuring physical or technical parameters of liquids, including highly viscous, doughy or pasty material
11/04/1998EP0875203A2 Ultrasonic array transducer for a hand held diagnostic instrument
11/04/1998EP0874978A1 Pressure wave sensor
11/04/1998EP0874586A1 Device for examining viscoelasticity of a living of artificial tissue
11/04/1998EP0772772B1 A method and apparatus for determining the concentration of a first fluid which is finely divided in a second fluid
11/03/1998US5831169 Device for measuring a distance between a panel and a shadow mask of a color CRT
11/03/1998US5831168 Ultrasound signal processor
11/03/1998US5831167 Time domain delay device measurement apparatus including sensor package