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)
12/1990
12/11/1990US4977516 Data acquisition device for balancing rotating components of large machinery
12/11/1990US4976150 Ultrasonic transducers
12/11/1990US4976148 Resonant ultrasound spectrometer
12/05/1990EP0400770A2 Measuring the strength of a material within a moving web
12/05/1990CN1047573A Ultrasonic pulse low sand-carrying capacity measuring method and instrument
12/04/1990US4975855 Shaft crack detection method
12/04/1990US4974590 Ultrasonic probe for use in ultrasonic endoscope
12/04/1990CA1277411C Ultrasonic mine survey probe
12/01/1990CA2011912A1 Non-contacting on-line paper strength measuring system
11/1990
11/28/1990EP0399876A1 Method and apparatus for measuring the properties of a multiphase fluid
11/28/1990EP0398930A1 System for nondestructively determining composite material parameters
11/27/1990US4973386 Passive acoustic power spectra to monitor and control processing
11/27/1990US4972839 Miniaturized mechanically-steerable ultrasonic probe
11/27/1990US4972720 Thermal technique for determining interface and/or interply strength in composites
11/22/1990EP0398792A1 Apparatus for the positioning of equipment in a cylindric cavity having perforations arranged in a regular pattern
11/22/1990EP0398002A2 Device for the automatic ultrasonic inspection of tube ends
11/22/1990EP0397869A1 Ultrasonic echo phasing circuit
11/22/1990DE3937465C1 Test head holder for ultrasonic testing installation - has adjuster with spherical bearing in carrier and engaging conical shell under spring pressure
11/20/1990US4970907 Transducer holder
11/20/1990CA1276716C Ultrasonic mechanical sector scanning transducer probe assembly
11/15/1990WO1990013814A1 Ultrasonic wheel testing
11/15/1990DE3915513A1 Measuring the thickness of fat and meat in sides of meat - uses ultrasound probes with computer analysis of reflection sound to provide non-invasive evaluation of depth of fat and lean meat
11/14/1990EP0396761A1 Ultrasonic wave inspecting apparatus
11/14/1990EP0305425B1 Test head and process for its manufacture
11/13/1990US4970695 In situ calibration of a sensor
11/13/1990US4969361 Ultrasonic flaw detecting method and apparatus for structural balls
11/13/1990CA1276282C Method and apparatus for determining flow resistance of fully assembled acoustic liners
11/13/1990CA1276281C Missing bearing detector
11/06/1990US4968144 Single beam AC interferometer
11/06/1990US4967873 For inspecting a sample
11/06/1990US4967587 Impact calibration tool
11/01/1990WO1990013024A1 Calibration standard for measuring surface cracks by ultrasound and method
10/1990
10/31/1990EP0395475A1 Acoustic method and apparatus for localising flaws in a material in one piece and acoustic emitter usable in said apparatus
10/30/1990US4967150 Method and apparatus for phase measurement of signals at a measuring point by an unmodulated particle beam
10/30/1990US4966746 Ultrasonic examination of BWR shroud access cover plate retaining welds
10/30/1990US4966459 Broadband optical detection of transient motion from a scattering surface
10/30/1990US4966152 Extra)uterine monitoring
10/30/1990US4966151 Ultrasonic diagnostic apparatus
10/30/1990US4966150 Echo tracking system for apparatus for ultrasonic measurement of the position of a mobile wall
10/30/1990US4966038 Ultrasonic microscope
10/30/1990CA1275725C Particle detector
10/25/1990DE3546681C2 Immunological reaction measurement - by scanned valves of scattered light from cell passed to FFT for average density spectrum
10/24/1990EP0393960A1 Ice detecting apparatus and methods
10/24/1990EP0393783A2 Method for the determination of strength of join between ceramic and non-ceramic material
10/24/1990EP0393171A1 Measuring the degree of mixing in a turbulent liquid
10/23/1990US4965532 Circuit for driving ultrasonic transducer
10/23/1990US4964302 Tactile sensor
10/23/1990US4964295 Bore mapping and surface time measurement system
10/23/1990CA1275491C Method for ultrasonic detection of hydrogen damage in boiler tubes
10/21/1990WO1990012540A1 Apparatus and method for generating echographic images
10/21/1990CA2053249A1 Apparatus and method for generating echographic images
10/20/1990CA2014961A1 Ice detecting apparatus and methods
10/17/1990EP0392881A1 Ultrasonic test head and its application for controlling changing shapes of a work piece during its manufacture
10/17/1990EP0392859A2 Ultrasonic tire testing method and apparatus
10/17/1990EP0392012A1 Ultrasonic diagnosing apparatus
10/16/1990US4964059 Apparatus for inspecting a pipeline
10/16/1990US4962667 Ultrasonic imaging apparatus
10/16/1990CA1275322C Three-dimensional imaging system
10/10/1990EP0390835A1 A method for recording multi-phase flows through a transport system.
10/09/1990US4962332 Ultrasonic probe and method of manufacturing the same
10/09/1990US4961347 Probe for ultrasonic flaw detectors
10/09/1990US4961346 Apparatus for performing ultrasonic measurements
10/09/1990US4961252 Means and method for nonuniform poling of piezoelectric transducers
10/04/1990WO1990011517A1 Process and device for determining the presence of substances floating on water
10/04/1990WO1990011516A1 Process and device for ultrasonic testing of elongated, prismatic profiles with at least one plane outer surface extending in the longitudinal direction of the profile
10/03/1990EP0390352A2 Apparatus for remotely controlled movement through tubular conduit
10/03/1990EP0390009A1 Manipulator for transducers (Detectors)
10/03/1990EP0283823B1 Apparatus for generating and radiating ultrasound, especially for ultrasound therapy
10/02/1990US4961176 Ultrasonic probe
09/1990
09/29/1990CA2013205A1 Manipulator for crack detector transducers
09/26/1990EP0389052A1 Ultrasonic echographic imaging apparatus, using an adaptive filter
09/26/1990EP0388470A1 Method of controlling acoustic contact during ultrasonic flaw detection
09/26/1990EP0388438A1 Measurement of corrosion with curved ultrasonic transducer; rule-based processing of full echo waveforms; preprocessing and transmitting echo waveform information
09/26/1990CN2062849U Automatic ultrasonic tester for longitudinal or toroidal crack of boiler tube
09/25/1990US4959228 Measurement of specific gravity during fermentation
09/20/1990WO1990010866A1 Acoustic detection apparatus
09/20/1990WO1990010865A1 Acoustic microscope surface inspection system and method
09/20/1990WO1990010864A1 Hot flaw detector
09/20/1990WO1990010863A1 Shaft crack detection method
09/20/1990WO1990010842A1 Single beam ac interferometer
09/20/1990WO1990010712A1 Method for detection and/or identification of living micro-organisms by vibrometry
09/20/1990DE3908967A1 Verfahren und vorrichtung zur ultraschallpruefung langgestreckter, prismatischer profile mit mindestens einer in profillaengsrichtung verlaufenden, ebenen mantelflaeche Method and apparatus for ultrasonic testing of elongated, prismatic profile with at least one in profillaengsrichtung running flat mantelflaeche
09/19/1990EP0388315A1 Process and device for logging using a sensor making a circumferential sweep of the wall of the borehole, in particular to calibrate this sensor
09/18/1990US4958327 Ultrasonic imaging apparatus
09/18/1990US4957100 Ultrasound generator and emitter
09/18/1990US4957000 Apparatus for obtaining information on the interior of an object
09/18/1990US4956999 Methods and apparatus for monitoring structural members subject to transient loads
09/15/1990CA2044243A1 Shaft crack detection method
09/12/1990EP0276205B1 System for ultrasonic examination
09/11/1990US4955235 Apparatus and method for providing a combined ultrasonic and eddy current inspection of a metallic body
09/05/1990EP0385897A1 Microechographic probe using ultrasound focusing through a deformable surface
09/05/1990EP0385789A2 Passive acoustics process for monitoring fluidized bed flow
09/05/1990EP0385420A2 Detecting apparatus
09/05/1990EP0384977A2 Apparatus for measuring propagation time of ultrasounds
09/04/1990US4955004 Liquid acoustic waveguide tube
09/04/1990US4953573 Rod monitoring device
09/04/1990US4953405 Ultrasonic measuring apparatus for measuring a predetermined boundary surface inside an object
08/1990
08/29/1990EP0384373A1 Method and apparatus for testing liquid fillings in tanks
08/29/1990EP0383972A1 Ultrasonic array with trapezoidal vibration elements, and method and device for its manufacture
08/28/1990US4953147 Measurement of corrosion with curved ultrasonic transducer, rule-based processing of full echo waveforms