| 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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| 11/11/1981 | EP0039457A1 Acoustic microscope |
| 11/11/1981 | EP0039353A1 Inspection of solder joints by acoustic impedance |
| 11/10/1981 | US4299656 For inspecting and testing the bottom of a cylindrical reactor pressure vessel |
| 11/10/1981 | US4299128 Ultrasonic satellite-pulse technique for characterizing defects of arbitrary shape |
| 11/10/1981 | CA1112352A1 Test head for ultrasonic testing of structural material |
| 11/03/1981 | US4298808 Defect detection |
| 11/03/1981 | US4297886 Ultrasonic flaw detector for immersion testing of articles |
| 11/03/1981 | US4297885 Adhering an emitter; construction materials |
| 11/03/1981 | US4297876 Ultrasonic tire testing apparatus |
| 10/28/1981 | EP0038331A1 Signal processing equipment for ultrasonic visualisation. |
| 10/27/1981 | US4297608 Measuring equipment for acoustic determination of the specific gravity of liquids |
| 10/27/1981 | US4297607 Sealed, matched piezoelectric transducer |
| 10/27/1981 | US4296906 Device having a balanced pivotable arm |
| 10/27/1981 | US4296753 Support for a transducer for emitting and/or receiving ultrasonic signals in a given angular sector |
| 10/27/1981 | US4296628 System for detecting particles carried by a fluid flow |
| 10/27/1981 | EP0030243A4 Apparatus for establishing, in vivo, bone strength. |
| 10/27/1981 | CA1111543A2 Ultrasonic imaging unit |
| 10/21/1981 | EP0038055A2 Ultrasonic test method |
| 10/20/1981 | US4296348 Interdigitated electrode ultrasonic transducer |
| 10/20/1981 | US4295377 Fastener incorporating removable ultrasonic transducer |
| 10/20/1981 | US4295375 Ultrasonic method of testing welded joints |
| 10/20/1981 | CA1111129A1 Finding and tracking the welding seam of pipes to be inspected by ultrasonic test equipment |
| 10/14/1981 | EP0037436A1 Process for quality control for production processes and machines |
| 10/13/1981 | US4295214 Ultrasonic shear wave transducer |
| 10/13/1981 | US4294122 Fastener incorporating ultrasonic transducer |
| 10/13/1981 | US4294119 Ultrasonic applicator for ultrasonic scanning of bodies |
| 10/13/1981 | US4294118 Fully automatic ultrasonic flaw detection apparatus |
| 10/13/1981 | CA1110750A1 Electronic beam scanning for ultrasonic imaging |
| 10/07/1981 | EP0037302A1 Digital processing and storing device and echographic scanner comprising such a device |
| 10/07/1981 | EP0036909A2 Method for non-destructive inspection of components |
| 10/06/1981 | US4292849 Method for correcting the sensitivity of an electromagnetic ultrasonic probe |
| 10/06/1981 | US4292848 Walking-gate ultrasonic flaw detector |
| 10/06/1981 | US4292847 Testing the material of a product for defects therein and processing the material employing such a method |
| 09/30/1981 | EP0036688A1 Device for exploring by the ultrasonic method with a mosaic of transducers produced in an electrostrictive material |
| 09/30/1981 | EP0036577A1 Ultrasonic transducer array |
| 09/29/1981 | US4291579 Inspection device |
| 09/29/1981 | US4291578 Apparatus for ultrasonic scanning of objects |
| 09/29/1981 | US4291577 On line ultrasonic velocity gauge |
| 09/29/1981 | CA1109954A1 System for nondestructive, ultrasonic testing of test objects |
| 09/22/1981 | US4290849 Nuclear reactor |
| 09/22/1981 | US4290432 Decompression bubble detectors |
| 09/22/1981 | US4290309 Diagnostic ultrasound apparatus having automatic isocentric rotator |
| 09/22/1981 | US4290308 Method of monitoring defects in tubular products |
| 09/17/1981 | WO1981002636A1 Ultrasonic inspection |
| 09/16/1981 | EP0035936A2 Method and apparatus to check the operation of a liquid-liquid extraction still |
| 09/15/1981 | US4289140 Signal processing system |
| 09/15/1981 | US4289033 Ultrasonic test apparatus for tubes and rods |
| 09/15/1981 | US4289032 Method of discriminating kinds of golf balls |
| 09/15/1981 | US4289031 Method of measuring hardness of flexible thread-wound golf balls or inner cores thereof |
| 09/15/1981 | US4289030 Nondestructive testing utilizing horizontally polarized shear waves |
| 09/15/1981 | CA1109144A1 Distance amplitude compensation system |
| 09/08/1981 | US4288790 Fire alarm |
| 09/08/1981 | US4287769 Apparatus and method whereby wave energy is correlated with geometry of a manufactured part or the like or to positional relationships in a system |
| 09/08/1981 | US4287768 Beam deflection method and apparatus for sector scan ultrasound imaging systems |
| 09/08/1981 | US4287766 Inspection of solder joints by acoustic impedance |
| 09/08/1981 | US4287755 Probes for the ultrasonic treatment or inspection of molten aluminum |
| 09/08/1981 | CA1108743A1 Method and apparatus for automatic ultrasonic flaw detection |
| 09/01/1981 | US4286565 Engine control installation |
| 09/01/1981 | US4286470 Clamp-on ultrasonic transducer |
| 09/01/1981 | US4286468 Frustrated total internal reflection fiber-optic small-motion sensor for hydrophone use |
| 09/01/1981 | US4286461 Method and device for in situ detection of a mineral deposit fluid within a borehole |
| 09/01/1981 | CA1108283A1 Recognizing ultrasonic response signals during testing of structural materials |
| 09/01/1981 | CA1108282A1 Ultrasonic air and blood foam detector |
| 08/25/1981 | US4285243 Ultrasonic pipe inspection apparatus |
| 08/25/1981 | US4285242 Pipe inspection apparatus |
| 08/25/1981 | US4285241 Method and apparatus for the determination of the mass of an impacting object |
| 08/25/1981 | US4285235 Method and apparatus for non-destructive inspection of tires |
| 08/20/1981 | WO1981002342A1 Method and apparatus for pipe inspection |
| 08/18/1981 | US4285010 Ultrasonic interrogating system and exciter-detector circuit therefor |
| 08/18/1981 | US4284324 Acousto-optical imagery system based on coherent holographic detection in real time |
| 08/18/1981 | US4283956 Method of detecting the onset of cracking in articles during dynamic testing |
| 08/18/1981 | US4283953 Method and apparatus for determining a granularity property of a subsurface formation around a borehole |
| 08/18/1981 | US4283952 Flaw detecting device and method |
| 08/12/1981 | EP0033552A1 Device for the detection of sheet-like objects |
| 08/12/1981 | EP0033484A2 Method for the detection of material faults in hollow bodies |
| 08/12/1981 | EP0033463A2 Ultrasonic multi-probe |
| 08/11/1981 | CA1106959A1 Sector scanner display and recording system for ultrasonic diagnosis |
| 08/05/1981 | EP0033208A2 Method of testing the material of a product for defects therein, apparatus for such testing and methods of processing the material employing such a method |
| 08/04/1981 | US4282577 Process and apparatus for automatically adjusting ultrasonic test heads |
| 08/04/1981 | US4281550 Curved array of sequenced ultrasound transducers |
| 08/04/1981 | US4281549 Equipment for displaying section images of objects subjected to ultrasonic examination |
| 08/04/1981 | US4281548 Method of testing rotationally symmetrical bodies, especially balls, for defects |
| 08/04/1981 | US4281547 Electronic mine roof bolt tester |
| 07/29/1981 | EP0032848A1 Digital type ultrasonic holography apparatus |
| 07/29/1981 | EP0032739A1 A multielement acoustic transducer, a method of manufacturing the same, and use of the same in an acoustic imaging instrument |
| 07/29/1981 | EP0032732A1 Ultrasonic imaging equipment |
| 07/29/1981 | EP0032513A1 Ultrasonic diagnostic equipment |
| 07/28/1981 | CA1106054A1 Apparatus for ultrasonic inspection of the welding seam of large pipes |
| 07/21/1981 | US4280183 Gas analyzer |
| 07/21/1981 | US4279158 Ultrasonic flaw detector driving apparatus |
| 07/21/1981 | US4279157 Method of and device for determining the internal structure of a body by means of acoustic beams |
| 07/14/1981 | US4279019 Method and apparatus for delay analysis of energy transmitted through a medium |
| 07/14/1981 | US4277979 Scan-control apparatus for pulse-echo ultrasonic imaging system incorporating oscillated transducer |
| 07/14/1981 | US4277978 Adaptive input circuit |
| 07/14/1981 | US4277977 Method and apparatus for inspection of ceramic parts for defects |
| 07/14/1981 | CA1105127A1 Ultrasonic testing |
| 07/14/1981 | CA1105126A1 Apparatus for the in-situ detection and location of flaws in welds |
| 07/07/1981 | US4277367 Phantom material and method |
| 07/07/1981 | US4276885 Tumor detection |
| 07/07/1981 | US4276780 Optoacoustic spectroscopy of thin layers |