| 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) |
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| 04/14/1994 | DE4233958A1 Ultrasonic testing of composite mineral building materials - using longitudinal wave with axial and radial component, and analysing mixture of component frequencies by rapid FFT |
| 04/13/1994 | EP0591966A1 Endoluminal ultrasonic device and its application |
| 04/13/1994 | EP0591847A2 Apparatus for monitoring impurities in a gas stream |
| 04/12/1994 | US5303277 Process for fabricating fuel rod and end plug therefor |
| 04/12/1994 | US5302878 High-frequency acoustic rheometer and device to measure the viscosity of a fluid using this rheometer |
| 04/12/1994 | US5301552 Ultrasonic apparatus |
| 04/12/1994 | US5301540 Probe for measuring the viscosity of liquids |
| 04/07/1994 | DE4232254A1 Ultrasonic testing method for locating material defects - driving ultrasonic transducer with FM chirp signal with instantaneous frequency variation matched to transmission path transfer function |
| 04/06/1994 | EP0591061A1 Method and device for acoustic examination with time reversal |
| 04/06/1994 | EP0590813A1 Gas analyser |
| 04/06/1994 | EP0590280A1 Ultrasonic procedure and device for locating leaks |
| 04/06/1994 | EP0590279A1 Ultrasonic procedure and device for locating leaks |
| 04/06/1994 | EP0590176A1 Ultrasonic transducer arrangement with acoustic matching layer |
| 04/06/1994 | CN1084795A Cutter failure comprehensive monitoring and controlling method and device |
| 04/05/1994 | US5301168 Ultrasonic transducer system |
| 04/05/1994 | US5299576 Ultrasonic synthetic aperture diagnostic apparatus |
| 04/05/1994 | US5299458 Nondestructive ultrasonic evaluation of formability of metallic sheets |
| 03/31/1994 | WO1994007114A1 System for detecting wood-destroying insect infestations in wood |
| 03/31/1994 | DE4232201A1 Vehicle tyre cross-section measuring device - uses two optical or ultrasonic reflection measuring devices respectively facing inner and outer surface of tyre |
| 03/31/1994 | CA2143742A1 System for detecting wood-destroying insect infestations in wood |
| 03/30/1994 | EP0589600A2 Method of detecting biochemical substances and sensor for use in said method |
| 03/30/1994 | EP0589082A1 Intracavitary ultrasonic probe |
| 03/29/1994 | US5298889 Metal cutting machine tool break detection |
| 03/29/1994 | US5298141 Passing ultrasound through electrodeposited paint and measuring ultrasonic damping factor, calculating |
| 03/29/1994 | US5297435 Residual stress measurement at fastener holes |
| 03/29/1994 | CA1328124C Ultrasound generator and emitter |
| 03/24/1994 | DE4303293C1 EM ultrasonic wave transducer - with offset rows of permanent magnet segments and two HF coils respectively associated with alternating rows |
| 03/24/1994 | DE4228426C1 Electrodynamic ultrasonic test system for electrically-conductive pipes - has test head contg. electromagnetic system for generating alternating magnetic field, and ultrasonic transducer, which are relatively movable perpendicularly to pipe surface |
| 03/23/1994 | EP0588732A1 Method of ultrasonic testing of a metal piece |
| 03/22/1994 | USRE34566 Three-dimensional imaging system |
| 03/22/1994 | US5296374 Vibration, thermoconductive |
| 03/22/1994 | US5295485 Ultrasonic diagnostic system |
| 03/22/1994 | CA2012374C Ultrasonic crack sizing method |
| 03/18/1994 | CA2078524A1 Nuclear reactor vessel inspection system and method with remote transducer positioning |
| 03/17/1994 | WO1994006006A1 Ultrasonic sealing bolts and identification bolts |
| 03/17/1994 | WO1994005993A2 Elastographic measurement and imaging apparatus and method |
| 03/17/1994 | WO1994005414A1 Microfabricated reactor |
| 03/17/1994 | DE4327684A1 Sonic test device e.g. for soldered joints - has passive transducer allowing rapid scanning of medium e.g. joint |
| 03/17/1994 | DE4230415A1 Ultrasonic thickness measurement system e.g. for fat and muscle - includes piezoelectric crystals and ultrasonic processing circuits for imaging of organs and different layers of tissue |
| 03/16/1994 | EP0587408A1 Method for determination of DNA and sensor therefor |
| 03/16/1994 | EP0433316B1 Process and device for monitoring machining of a workpiece |
| 03/15/1994 | US5293873 Measuring arrangement for tissue-optical examination of a subject with visible, NIR or IR light |
| 03/15/1994 | US5293870 Method and apparatus for elastographic measurement and imaging |
| 03/15/1994 | US5293773 Method for determining the wetting preference of particulate solids in a multiphase liquid system |
| 03/10/1994 | DE4229630A1 Acoustic lens with variable focal length for acoustic working medium - has optical fluid and pressure equalising medium between incident and emergent lens walls |
| 03/09/1994 | EP0586054A1 Spectroscopic imaging system using a pulsed electromagnetic radiation source and an interferometer |
| 03/09/1994 | EP0586053A1 Dual interferometer spectroscopic imaging system |
| 03/09/1994 | EP0585492A1 Apparatus for determining the mechanical properties of a solid |
| 03/09/1994 | EP0585301A1 Improvements in and relating to particle detection and analysis. |
| 03/08/1994 | US5293555 System and method for locating material fatigue using multiple sensors |
| 03/08/1994 | US5293326 Ultrasonic inspection and imaging instrument |
| 03/08/1994 | US5292007 Method of and apparatus for continuous non-destructive testing of bar-shaped specimens |
| 03/08/1994 | US5291893 Endo-luminal ultrasonic instrument and method for its use |
| 03/08/1994 | US5291786 Ultrasonic microscope |
| 03/08/1994 | US5291773 Apparatus and method for ultrasonic detection of foreign materials in a specimen |
| 03/03/1994 | WO1994004914A1 Device for determining physical properties of fluids |
| 03/03/1994 | WO1994004908A1 Concentration measuring apparatus |
| 03/03/1994 | WO1994004907A1 A method and apparatus for determining the particle size distribution, the solids content and the solute concentration of a suspension of solids in a solution bearing a solute |
| 03/03/1994 | WO1994004110A1 New device for attaching hygienic articles, and production method |
| 03/03/1994 | CA2121260A1 Apparatus for determining physical properties of fluids |
| 03/03/1994 | CA2121035A1 New device for attaching hygienic articles, and production thereof |
| 03/02/1994 | CN1083218A Fast nondestructive surface wave tester for construction quality |
| 03/01/1994 | US5289715 Vapor detection apparatus and method using an acoustic interferometer |
| 02/24/1994 | DE4325878A1 Method for assessment of welded joints using ultrasound |
| 02/24/1994 | DE4325858A1 Method for assessment of welded joints using ultrasound |
| 02/24/1994 | DE4325856A1 Method for assessment of welded joints using ultrasound |
| 02/24/1994 | DE4301622C1 Ultrasonic appts., for metal structure determn. - has two ultrasonic transducers, useful in quality control of hot extruded powder metallurgical alloy |
| 02/24/1994 | DE4222387A1 Verfahren und Vorrichtung zur Identifikation von Prüfobjekten Method and apparatus for identification of test objects |
| 02/23/1994 | EP0583708A1 Procedure and device for calibrating a ultrasonic system for locating leaks |
| 02/23/1994 | EP0583386A1 Method and apparatus for elastographic measurement and imaging |
| 02/23/1994 | CN2157518Y Water-film coupling double-crystal plate probe for supersonic flaw detecting |
| 02/22/1994 | US5289436 Ultrasonic waveguide |
| 02/22/1994 | US5289387 Method for measuring stress |
| 02/20/1994 | CA2104332A1 Method and apparatus for ultrasonic leak location |
| 02/20/1994 | CA2104325A1 Method and apparatus for calibrating an ultrasonic leak location |
| 02/20/1994 | CA2104322A1 Method and apparatus for ultrasonic leak location |
| 02/17/1994 | WO1994003800A1 Method and apparatus for detecting guided leaky waves in acoustic microscopy |
| 02/17/1994 | WO1994003799A1 Process for assessing welded joints |
| 02/15/1994 | US5287291 Quiet bus for the busing of analog and digital data |
| 02/15/1994 | US5285788 Ultrasonic tissue imaging method and apparatus with doppler velocity and acceleration processing |
| 02/15/1994 | US5285689 Piping inspection instrument carriage with precise and repeatable position control and location determination |
| 02/15/1994 | US5285688 System for detecting wood-destroying insect infestations in wood |
| 02/15/1994 | US5285687 Process for the acoustic examination of monoliths for damage and device for implementing the process |
| 02/15/1994 | US5285677 Selective gas detection by field separation and velocity of sound determination, especially O2 detection |
| 02/15/1994 | US5285675 Acoustic fluid flow monitoring |
| 02/15/1994 | US5285674 Measurement device for detecting gas charge of a plastic component |
| 02/14/1994 | CA2076137A1 Apparatus for determining the mechanical properties of a solid |
| 02/09/1994 | EP0582492A1 Method and apparatus for testing contact between two metal sheets placed side by side |
| 02/09/1994 | EP0582384A2 Spectroscopic imaging system with ultrasonic detection of absorption of modulated electromagnetic radiation |
| 02/09/1994 | EP0581782A1 Mounting arrangement |
| 02/08/1994 | US5285521 Audible techniques for the perception of nondestructive evaluation information |
| 02/08/1994 | US5285261 Dual interferometer spectroscopic imaging system |
| 02/08/1994 | US5285260 Spectroscopic imaging system with ultrasonic detection of absorption of modulated electromagnetic radiation |
| 02/03/1994 | WO1994002843A1 Centralizer for internal pipe inspection device |
| 02/03/1994 | WO1994002834A1 Process and device for photo-thermal spectroscopy |
| 02/03/1994 | WO1994001989A2 Device for excitation of oscillations and determination of properties of fluid mediums |
| 02/03/1994 | WO1993022678A3 Optical and electrical methods and apparatus for molecule detection |
| 02/02/1994 | EP0276307B1 Composite analyzer tester |
| 02/01/1994 | USH1290 Conformable acoustic coupler |
| 02/01/1994 | US5283037 Chemical sensor utilizing a surface transverse wave device |