| 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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| 02/22/1977 | US4008602 Ultrasonic testing of multilayer ceramic capacitors |
| 02/15/1977 | US4007631 Method and apparatus for evaluating welds using stress-wave emission techniques |
| 02/15/1977 | US4007630 Device for detecting damage on rotators |
| 02/01/1977 | US4006444 Acoustic imaging apparatus |
| 01/25/1977 | US4005417 Frequency spectrum analyzer |
| 01/25/1977 | US4005382 Signal processor for ultrasonic imaging |
| 01/25/1977 | US4004904 Electronic system for article identification |
| 01/25/1977 | US4004456 Method and apparatus for the real-time, non-destructive evaluation of adhesion bonds using stress-wave emission techniques |
| 01/25/1977 | US4004455 Flaw detecting apparatus for railroad rails and the like |
| 01/25/1977 | US4004454 Ultrasonic inspection method of pulse reflection defect detection using a thru-transmission automatic distance-amplitude compensation |
| 01/18/1977 | US4004165 Ultrasonic signal generators |
| 01/18/1977 | US4003244 Ultrasonic pulse-echo thickness measuring apparatus |
| 01/18/1977 | US4003242 By measuring the velocity of sound |
| 01/11/1977 | US4002053 Method and apparatus for measuring density of suspension |
| 12/28/1976 | US3999423 Ultrasonic inspection apparatus |
| 12/28/1976 | US3999422 Ultrasonic test method and apparatus for testing thick-walled workpieces |
| 12/14/1976 | US3996792 Supersonic wave flaw detecting apparatus |
| 12/14/1976 | US3996791 Ultrasonic test method and apparatus utilizing scattered signals |
| 12/07/1976 | US3995968 Turbine rotor disc having ultrasonic inspection surface thereon |
| 11/30/1976 | US3994154 Ultrasonic pulse-echo thickness and velocity measuring apparatus |
| 11/23/1976 | US3992925 Device for ultrasonic scanning |
| 11/23/1976 | US3992923 Underwater pipelines |
| 11/23/1976 | US3992826 Apparatus for automatically detecting and eliminating flaws on slabs or billets |
| 11/16/1976 | US3991607 High resolution pulse-echo ultrasonic method and apparatus |
| 11/16/1976 | US3991603 Moisture indicating apparatus |
| 11/09/1976 | US3990300 Moving ultrasonic transducer array |
| 11/09/1976 | US3990296 Acoustical holography imaging device |
| 11/02/1976 | US3988922 Vessel examination system |
| 10/26/1976 | US3987665 Non-destructive test method for assessing textile material degradation |
| 10/19/1976 | US3986391 Method and apparatus for the real-time monitoring of a continuous weld using stress-wave emission techniques |
| 10/19/1976 | US3986390 Apparatus for ultrasonic testing of marginal portions of metallic sheets or the like |
| 10/19/1976 | US3986389 Gating control system in ultrasonic inspection apparatus |
| 10/19/1976 | US3986385 Apparatus for determining the freezing point of a liquid |
| 10/12/1976 | US3985022 Ultrasonic thickness measuring method and apparatus |
| 10/12/1976 | US3984895 Density sensing and controlling equipment |
| 10/05/1976 | US3984802 Feature recognition system |
| 09/28/1976 | US3983529 Detector for use in acoustic holography |
| 09/28/1976 | US3983374 Digital system for slope and curvature control |
| 09/28/1976 | US3982426 Random signal flaw detector system |
| 09/28/1976 | US3982425 Ultrasonic inspection system |
| 09/21/1976 | US3981184 Ultrasonic diagnostic inspection systems |
| 09/21/1976 | US3981176 Dual frequency acoustic gas composition analyzer |
| 09/14/1976 | US3979946 Ultrasonic plate inspection system |
| 09/07/1976 | US3979670 Apparatus for detecting and measuring peak-to-peak values in electrical signals |
| 09/07/1976 | US3978915 Condenser with leak detecting apparatus |
| 09/07/1976 | US3978714 Method of ultrasonic echo flaw detection and device for effecting same |
| 09/07/1976 | US3978713 Laser generation of ultrasonic waves for nondestructive testing |
| 09/07/1976 | US3978712 Method and apparatus for testing wear, size and residual stress conditions |
| 09/07/1976 | US3978711 Method of testing wear resistance of articles on the basis of polycrystalline cubic boron nitride |
| 08/31/1976 | US3977236 Apparatus and method for ultrasonic fastener hole inspection |
| 08/24/1976 | US3975949 Leak detector probe for fuel rods |
| 08/24/1976 | US3975939 Methods of and apparatus for simulating ultrasonic pulse echoes |
| 08/17/1976 | US3974689 System for detecting faults along an electric overhead traveling crane runway |
| 08/17/1976 | US3974684 Ultrasonic system for focusing at an oblique angle of incidence |
| 08/17/1976 | US3974683 Ultrasonic apparatus for determining the volume of bubbles in liquid |
| 08/17/1976 | US3974682 Ultra sound examining device |
| 08/17/1976 | US3974681 Ultrasonic bubble detector |
| 08/10/1976 | US3973430 Water pollution monitor |
| 08/03/1976 | US3973235 Device for the detection of an acoustic image |
| 08/03/1976 | US3973190 Infralow frequency transfer function analyzer |
| 08/03/1976 | US3973152 Ultrasonic transducer with laminated coupling wedge |
| 08/03/1976 | US3972432 Method for rotationally positioning a welded steel pipe in response to a seam section thereof and an apparatus for positioning the same |
| 08/03/1976 | US3972228 Ultrasonic non-destructive pulse testing apparatus |
| 08/03/1976 | US3972227 Method of ultrasonic measurements |
| 07/27/1976 | US3971962 Linear transducer array for ultrasonic image conversion |
| 07/20/1976 | US3969926 Alignment of ultrasonic transducer probe in pulse-echo testing |
| 07/13/1976 | US3969578 Visual display of ultrasonic radiation pattern |
| 07/13/1976 | US3968680 Wide-band ultrasonic transducer and its uses |
| 06/29/1976 | US3965726 Method and apparatus for the real-time evaluation of welds by emitted stress waves |
| 06/22/1976 | US3964297 Ultrasonic inspection apparatus |
| 06/15/1976 | US3964052 Acoustical imaging system |
| 06/15/1976 | US3963980 Ultrasonic instrument for non-destructive testing of articles with current-conducting surface |
| 06/15/1976 | US3962909 Method and apparatus for ultrasonic examination |
| 06/15/1976 | US3962908 Transducer arrangement for ultrasonic rail tester coupling carriages |
| 06/08/1976 | US3961523 Scanning ultrasonic inspection method and apparatus |
| 06/08/1976 | US3961522 Apparatus for recording discontinuities |
| 06/01/1976 | US3960006 Non-destructive test apparatus and method for a material having a cavity therein |
| 06/01/1976 | US3960005 Ultrasonic testing device for inspecting thermit rail welds |
| 06/01/1976 | US3960004 Method for measuring impedance |
| 05/25/1976 | US3959770 Method and apparatus for error compensation in multichannel systems |
| 05/25/1976 | US3958451 Ultrasonic inspection apparatus |
| 05/25/1976 | US3958446 Discontinuity suppression apparatus for vibration densitometers |
| 05/11/1976 | US3955425 Pipe wall thickness gauge |
| 05/11/1976 | US3955405 Ultrasonic NDT system with flashing display alarm |
| 05/11/1976 | US3955404 Resonant sensing device |
| 05/04/1976 | US3954119 System for measuring and controlling the concentration of an emulsion |
| 04/27/1976 | US3953822 Wave-energy imaging technique |
| 04/27/1976 | US3952582 Ultrasonic inspection device and system |
| 04/27/1976 | US3952581 Ultrasonic flaw detecting apparatus for turbine rotors |
| 04/27/1976 | US3952578 Scanning ultrasonic spectrograph for fluid analysis |
| 04/27/1976 | US3952566 Bearing and lubricant film test method and apparatus |
| 04/27/1976 | US3952387 Method of manufacturing an ultrasonic probe |
| 04/13/1976 | US3950660 Ultrasonic contact-type search unit |
| 04/06/1976 | US3948345 Methods and means for analyzing substances |
| 04/06/1976 | US3948087 Vibration apparatus for minute vibrations |
| 04/06/1976 | US3948086 Pulse reflection type ultrasonic thickness meter |
| 03/30/1976 | US3946599 Liquid applicator for ultra-sonic transducer |
| 03/23/1976 | US3946256 System for generating or sensing transverse elastic bulk waves in solids |
| 03/16/1976 | US3944963 Method and apparatus for ultrasonically measuring deviation from straightness, or wall curvature or axial curvature, of an elongated member |
| 03/16/1976 | US3943756 Wall inspection device |