| 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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| 07/07/1981 | US4276779 Dynamically focussed array |
| 07/01/1981 | EP0031049A2 Acoustic transducer |
| 06/30/1981 | US4275963 Method and apparatus for sensing ultrasonic energy |
| 06/30/1981 | US4275598 Ultrasonic testing device |
| 06/30/1981 | US4275596 Optical bichromatic position finder |
| 06/30/1981 | US4275589 Method and apparatus for non-destructive inspection of tires |
| 06/30/1981 | CA1104244A1 Apparatus for testing elongate articles |
| 06/25/1981 | WO1981001745A1 Optical bichromatic position finder |
| 06/23/1981 | US4275415 Scan converter |
| 06/23/1981 | US4274422 Sector scanner display and recording system for ultrasonic diagnosis |
| 06/23/1981 | US4274421 Echo sound apparatus including an oscillating mirror for use in medical diagnosis |
| 06/23/1981 | US4274289 Transducer positioning system for ultrasonic tire testing apparatus |
| 06/23/1981 | US4274288 Method for measuring the depth of surface flaws |
| 06/23/1981 | US4274279 Viscosity measuring device |
| 06/23/1981 | CA1103489A1 Digital type ultrasonic holography apparatus |
| 06/17/1981 | EP0030243A1 Apparatus for establishing, in vivo, bone strength. |
| 06/16/1981 | US4272991 Scanning method and apparatus |
| 06/16/1981 | CA1103311A1 Pseudo continuous wave instrument |
| 06/09/1981 | US4271707 Received signal encoding and correlating system |
| 06/09/1981 | US4271706 Ultrasonic scanner |
| 06/02/1981 | US4271490 Ultrasonic detection system |
| 06/02/1981 | US4270864 Photoacoustic rotational raman spectroscopy |
| 06/02/1981 | US4270389 Method and apparatus for the automatic ultrasonic flaw detection |
| 06/02/1981 | US4270388 Method and apparatus employing zero order Raman-Nath diffraction information to visualize longitudinal character of an acoustic wave field |
| 05/26/1981 | US4269068 Ultrasonic couplant compositions and method for employing same |
| 05/26/1981 | US4269065 Ultrasonic detector apparatus |
| 05/26/1981 | CA1101980A1 Ultrasonic transducer probe |
| 05/26/1981 | CA1101706A1 Acousto-optical imagery system based on coherent holographic detection in real time |
| 05/20/1981 | EP0028855A1 Method and apparatus for ultrasonic non-destructive testing of a metal workpiece |
| 05/19/1981 | US4267732 Acoustic microscope and method |
| 05/19/1981 | CA1101536A1 Device for the excitation of waves and especially ultrasonic waves including a cell |
| 05/13/1981 | EP0028540A1 Method and apparatus for non-contact acoustic measurement of physical properties of continuously moving metal strip |
| 05/13/1981 | EP0028253A1 Ultrasonic image enhancement |
| 05/12/1981 | US4266428 Method and apparatus for non-destructive inspection of tires |
| 05/12/1981 | CA1101136A1 Device for the selective positioning of a body on a tube plate |
| 05/12/1981 | CA1101135A1 Calibration assembly for nuclear reactor vessel inspection apparatus |
| 05/06/1981 | EP0028081A2 Method and apparatus for detecting frictional wear in plain metal bearings |
| 05/05/1981 | US4265125 Flowmeter method and apparatus |
| 05/05/1981 | US4265124 Remote acoustic wave sensors |
| 05/05/1981 | US4265122 Nondestructive testing apparatus and method utilizing time-domain ramp signals |
| 05/05/1981 | US4265121 High resolution ultrasound diagnostic apparatus |
| 05/05/1981 | US4265120 Fatigue detection utilizing acoustic harmonics |
| 05/05/1981 | US4265119 Ultrasonic method of inspecting spot welds |
| 05/05/1981 | CA1100619A1 Ultrasonic inspection system including apparatus and method for tracking and recording the location of an inspection probe |
| 04/29/1981 | EP0027618A2 Device for ultrasonic scanning |
| 04/28/1981 | CA1100221A1 Ekg and ultrasonoscope display |
| 04/21/1981 | US4262539 Drive assembly for probe carrier |
| 04/14/1981 | US4261197 Probe for the ultrasonic inspection of molten aluminum |
| 04/14/1981 | CA1099387A1 Pipe quality monitoring mechanism |
| 04/14/1981 | CA1099385A1 Ultrasonically operative device for determining physical quantities of a medium |
| 04/14/1981 | CA1099382A1 Ultrasound imaging system with improved scan conversion |
| 04/08/1981 | EP0026711A1 Method for acoustic and ultrasonic detection of nuclear reactor fuel assemblies having become defective in service, and corresponding detection device |
| 04/07/1981 | US4259868 Method and apparatus for nondestructive testing of cement |
| 04/02/1981 | WO1981000910A1 Inspection of solder joints by acoustic impedance |
| 04/02/1981 | WO1981000807A1 Signal processing equipment for ultrasonic visualisation |
| 03/31/1981 | US4258576 Pulse-echo ultrasonic wave-energy imaging system incorporating high-velocity oscillated transducer |
| 03/31/1981 | US4258574 Method and apparatus for ultrasonic imaging using a line source and a linear receiver array |
| 03/31/1981 | US4258573 In line ultrasonic inspection apparatus and method |
| 03/31/1981 | CA1098612A1 Real-time ultrasonic imaging system |
| 03/25/1981 | EP0025532A2 Testing device for determining and analysing material faults |
| 03/19/1981 | WO1981000768A1 Probes for the ultrasonic treatment or inspection of molten aluminum |
| 03/19/1981 | WO1981000767A1 Probe for the ultrasonic inspection of molten aluminum |
| 03/18/1981 | EP0025213A2 Ultrasonic flaw detector |
| 03/18/1981 | EP0025092A1 Ultrasonic transducer assembly and process for its production |
| 03/17/1981 | US4255972 Device for the inspection of welds |
| 03/17/1981 | US4255971 Thermoacoustic microscopy |
| 03/17/1981 | US4255964 Fluid monitor |
| 03/17/1981 | CA1097791A1 Clamped acoustic elastic wave generator |
| 03/11/1981 | EP0024707A2 Electromagnetic ultrasonic apparatus |
| 03/11/1981 | EP0024397A1 Ultrasonic pipe inspection apparatus. |
| 03/11/1981 | EP0024396A1 Pipe inspection apparatus. |
| 03/10/1981 | US4255798 Method and apparatus for acoustically investigating a casing and cement bond in a borehole |
| 03/10/1981 | US4254662 Multiple acoustic beamformer step scanner |
| 03/10/1981 | US4254661 Ultrasonic transducer array |
| 03/10/1981 | US4254660 Ultrasonic test method and apparatus with coupling liquid temperature compensation |
| 03/03/1981 | US4253770 Optoacoustic analyzer |
| 03/03/1981 | US4253338 Ultrasonic diagnostic equipment |
| 03/03/1981 | US4253337 Ultrasonic nondestructive testing method |
| 02/24/1981 | US4252026 Multiple line of sight ultrasonic apparatus |
| 02/24/1981 | US4252025 Ultrasonic diagnostic apparatus |
| 02/24/1981 | US4252024 Flaw detection, characterization and study |
| 02/24/1981 | US4252022 Detection, characterization and studying of flaws in work by acoustic imaging |
| 02/17/1981 | US4251779 Frequency synthesizer apparatus and method in ultrasonic imaging |
| 02/17/1981 | CA1096057A1 Positioning calibration apparatus for transducers employed in nuclear reactor vessel inspection apparatus |
| 02/17/1981 | CA1096053A1 Weld inspection system with dual flaw detection |
| 02/17/1981 | CA1096033A1 System and method for residual tire life prediction by ultrasound |
| 02/10/1981 | US4249422 Apparatus and process for determining the composition of fluid-filled cavities |
| 02/10/1981 | US4249421 Method to determine the shear absorption of a rubberlike material |
| 02/10/1981 | US4249413 Method and device for locating a defective tube in a steam generator tube bundle |
| 02/03/1981 | US4248092 Method and apparatus for efficiently generating elastic waves with a transducer |
| 01/28/1981 | EP0023125A1 Inspection device and vehicle for ultrasonically inspecting pipelines |
| 01/27/1981 | US4247818 Automatic sensitivity adjustment apparatus for calibration of a non-destructive inspection instrument |
| 01/27/1981 | US4246794 Apparatus and method for ultrasonic inspection of round stock such as tubing, pipe and rod |
| 01/27/1981 | US4246793 Nondestructive testing |
| 01/27/1981 | US4246792 Self-contained ultrasonic scanner |
| 01/27/1981 | US4246773 Combustion property of gas measuring apparatus |
| 01/27/1981 | CA1094677A1 Acoustic emission transducer and system |
| 01/27/1981 | CA1094676A1 Reference element for adjusting ultrasonic test equipment |
| 01/21/1981 | EP0022671A1 Method and apparatus for determining the mass of an impacting object |
| 01/20/1981 | US4245511 Ultrasonic applicator for ultrasonic scanning of bodies and method of using the same |