| 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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| 04/10/1991 | EP0341244A4 Nondestructive measurement of composite materials |
| 04/09/1991 | US5005420 Ultrasonic method for measurement of depth of surface opening flaw in solid mass |
| 04/09/1991 | US5005419 Medical |
| 04/09/1991 | US5005417 Detecting flaws formed in surfaces of rotating members with ultrasonic waves |
| 04/09/1991 | US5005415 Method and apparatus for detecting variations in a process by processing emitted acoustic signals |
| 04/03/1991 | EP0420678A2 Fluid viscoelastic test apparatus and method |
| 04/03/1991 | EP0420639A2 Automatic ultrasonic testing apparatus for detecting flaws of balls |
| 04/03/1991 | EP0420190A2 Ultrasonic contact transducer and array |
| 04/02/1991 | CA1282488C Automated ultrasonic examination system for heat transfer tubes in aboiler |
| 04/02/1991 | CA1282487C Acoustic microscopy |
| 03/30/1991 | CA2025551A1 Fluid viscoelastic test apparatus and method |
| 03/27/1991 | EP0419094A1 Ultrasonic air-in-line detector for a medication infusion system |
| 03/27/1991 | EP0418708A2 Method and apparatus for remote positioning of an inspection device with a video camera attached to the device |
| 03/27/1991 | CA2026053A1 Ultrasonic contact transducer and array |
| 03/26/1991 | US5003516 Ultrasonic probe and manufacture method for same |
| 03/26/1991 | US5001932 Ultrasonic squirter |
| 03/26/1991 | US5001931 Method and apparatus for predicting destruction of a rolling bearing |
| 03/26/1991 | CA1282163C Ultrasonic imaging apparatus |
| 03/26/1991 | CA1282160C Aerosol particle charge and size analyzer |
| 03/20/1991 | EP0382844A4 Method for ultrasonically checking weld seams of articles |
| 03/20/1991 | CN1050092A Supersonic flaw detector with lqiuid crystal display |
| 03/19/1991 | US5001674 Ultrasonic testing method |
| 03/19/1991 | US5000663 Automatic tubing lock for ultrasonic sensor interface |
| 03/19/1991 | US5000183 Device for processing an echographic signal |
| 03/19/1991 | US5000045 Acoustic emission waveguide |
| 03/13/1991 | EP0416912A1 Automatic tubing lock for ultrasonic sensor interface |
| 03/13/1991 | EP0416911A2 Ultrasonic air-in-line detector self-test technique |
| 03/13/1991 | EP0416910A2 Ultrasonic transducer electrical interface assembly |
| 03/13/1991 | EP0416160A1 Apparatus for measuring the partial pressure of gases or vapours |
| 03/13/1991 | CN2073115U Miniature supersonic hardness probe |
| 03/13/1991 | CN1049912A Rotor bore inspection system |
| 03/07/1991 | WO1991002975A1 Multiple-probe diagnostic sensor |
| 03/07/1991 | WO1991002971A1 Ultrasonic flaw detector |
| 03/06/1991 | EP0415848A1 Method for monitoring flexible tubular cables and pipes during operation and acoustical pickup to implement this method |
| 03/06/1991 | EP0415746A2 Immersion type automatic ultrasonic testing apparatus for detecting flaws of balls |
| 03/06/1991 | EP0415670A1 Ultrasonic testing method |
| 03/06/1991 | EP0415669A1 Ultrasonic testing method for balls |
| 03/06/1991 | EP0415324A2 Ultrasonic diagnostic apparatus |
| 03/06/1991 | EP0414889A1 Single beam ac interferometer |
| 03/06/1991 | CN1011918B Self-adjusting ultrasonic flaw detector and its adjustment |
| 03/06/1991 | CA2021111A1 Apparatus and method for tool break and wear detection |
| 02/27/1991 | EP0414261A2 Ultrasonic diagnosing apparatus |
| 02/26/1991 | US4995711 Slide table |
| 02/26/1991 | US4995260 Nondestructive material characterization |
| 02/26/1991 | US4995259 Acoustic microscope surface inspection system and method |
| 02/21/1991 | WO1991002247A1 Ultrasonic inspection apparatus |
| 02/20/1991 | EP0413119A2 Center open large rolling bearing |
| 02/13/1991 | EP0412396A2 Method and device for testing a tube |
| 02/12/1991 | US4992989 Ultrasound probe for medical imaging system |
| 02/12/1991 | US4991442 Method and apparatus for detecting cracks in bearings |
| 02/12/1991 | US4991441 Positioning assembly for a transducer in a boresonic inspection system |
| 02/12/1991 | US4991440 Method of ultrasonically measuring thickness and characteristics of zirconium liner coextruded with zirconium tube |
| 02/12/1991 | US4991439 Apparatus for detecting insect-induced vibrations in particulate matter |
| 02/12/1991 | CA1280201C Method and apparatus for characterizing defects in tubular members |
| 02/09/1991 | WO1991002246A1 An apparatus for determining the time taken for sound energy to cross a body of fluid in a pipe |
| 02/09/1991 | CA2059550A1 Apparatus for determining the time taken for sound energy to cross a body of fluid in a pipe |
| 02/06/1991 | CN1011547B Apparatus for measuring mechanical performance of solid materials |
| 02/06/1991 | CN1011544B Bore mapping and surface time measurement system |
| 02/05/1991 | US4991124 System and method for ultrasonic determination of density |
| 02/05/1991 | US4989454 Scanning apparatus for a scanning microscope |
| 01/31/1991 | DE4022258A1 Detecting damaging limits in plastics - by subjecting disc test pieces to increasing pressure cycles and analysing limiting sound emission values |
| 01/31/1991 | DE3935956C1 Method of ultrasonic testing of building materials using transformer - which is placed against building surface and speed indicator used to determine fibre length to width ratio |
| 01/30/1991 | EP0410580A2 Scanning outer profiles of control rods |
| 01/30/1991 | EP0410154A2 Rotor bore inspection system |
| 01/30/1991 | CN1011441B Measuring instrument for gas density |
| 01/30/1991 | CN1011393B Device for cleaning the welding bead in plastic tube |
| 01/29/1991 | CA2020863A1 Non-invasive system and method for inspection of valves |
| 01/22/1991 | US4986125 Ultrasonic microscope |
| 01/22/1991 | CA1279398C Ultrasonic method and apparatus for detecting leaks |
| 01/16/1991 | EP0408035A2 High resolution microscoping system using convolution integration process |
| 01/16/1991 | EP0407930A1 Nondestructive inspection method and apparatus |
| 01/16/1991 | EP0407676A1 Method for measuring the time differences among the ultrasound signals belonging to a group, and apparatus for carrying out the method |
| 01/16/1991 | EP0169903B1 Numerical value measuring instrument using oscilloscope device |
| 01/14/1991 | CA2020912A1 High resolution microscoping system using convolution integration process |
| 01/09/1991 | EP0406909A2 Ultrasonic diagnosing apparatus |
| 01/08/1991 | US4983270 Device for controlling the amount of a solid paint component in electrodeposition coating |
| 01/04/1991 | WO1991000516A1 Process and device for measuring the gelling of paraffin petroleum products, in particular, crude oil |
| 01/04/1991 | CA2062948A1 Process and apparatus for measuring the gelation of parafinic petroleum products, namely croudes |
| 01/02/1991 | CN1011080B Apparatus and method for measuring property of continuous strand of fibrous materials |
| 01/01/1991 | US4981467 Apparatus and method for the detection of air in fluid delivery systems |
| 01/01/1991 | US4981045 Testing of liquid melts and probes for use in such testing |
| 01/01/1991 | US4981044 Ultrasonic sensor for testing U-shaped tubes of a heat exchanger |
| 12/27/1990 | WO1990016061A1 Ultrasonic scanning sensor |
| 12/27/1990 | WO1990015988A1 A method and apparatus for fluid mixture monitoring, constituent analysis, and composition control |
| 12/27/1990 | EP0403807A2 Ultrasonic inspection device for detecting defects in solid objects |
| 12/26/1990 | CN1010983B Boresonic inspection system |
| 12/26/1990 | CN1010982B Ultrasonic signal processing system including a flaw gate |
| 12/25/1990 | US4980865 Ultrasonic microscope |
| 12/25/1990 | US4979394 Non-destructive inspection method |
| 12/20/1990 | DE3918655A1 Measuring operating state of liquid-liquid systems - using transition time of ultrasonic pulse through liquid-liquid phase using observation period length at least equal to ultrasonic period |
| 12/19/1990 | EP0403349A1 Echography probe |
| 12/19/1990 | EP0403020A2 Non-destructive evaluation of structural members |
| 12/19/1990 | EP0402779A2 Method and device for determining surface structures |
| 12/19/1990 | EP0204000B1 Ultrasonic diagnostic apparatus |
| 12/18/1990 | US4979125 Non-destructive evaluation of ropes by using transverse impulse vibrational wave method |
| 12/18/1990 | US4979124 Adaptive, neural-based signal processor |
| 12/18/1990 | US4978495 Nuclear fuel pellet surface defect inspection apparatus |
| 12/18/1990 | US4977779 Ultrasonic microscope having a focusing mechanism |
| 12/18/1990 | CA1278087C Ultrasonic imaging system |
| 12/11/1990 | US4977544 Ultrasonic microscope |