| Patents for G01B 17 - Measuring arrangements characterised by the use of infrasonic, sonic, or ultrasonic vibrations (3,873) |
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| 12/04/1979 | CA1067614A1 Pulse-echo method and system for testing wall thicknesses |
| 12/04/1979 | CA1067311A1 Vibratory-wire strain gage |
| 11/15/1979 | WO1979000929A1 A method for investingating an anchored rod-like body having an accessible end,and apparatus for carrying out the method |
| 11/13/1979 | US4173897 Method of adjusting ultrasonic test systems |
| 10/16/1979 | US4170897 Displacement measuring sensor |
| 10/16/1979 | US4170891 Positioning calibration apparatus for transducers employed in nuclear reactor vessel inspection apparatus |
| 08/22/1979 | EP0003658A2 Improvements in or relating to an ultrasonic nondestructive testing apparatus |
| 08/21/1979 | CA1060725A1 Audible alarm sounding type pad clip device for disc brake |
| 07/24/1979 | US4161885 Measuring apparatus for measuring the roll gap in gauge-controlled roll stands |
| 07/10/1979 | US4160385 Pipe quality monitoring mechanism |
| 06/05/1979 | CA1056047A1 Ultrasonic thickness measuring method and apparatus |
| 05/22/1979 | US4155594 Method of and apparatus for steering a mining machine |
| 05/22/1979 | US4155243 Calibration assembly for nuclear reactor vessel inspection apparatus |
| 05/15/1979 | US4154114 Biometric measuring device |
| 05/01/1979 | US4152380 Method of and apparatus for measuring and controlling the wall thickness of plastic pipes |
| 04/03/1979 | US4147065 Ultrasonic testing |
| 03/13/1979 | US4144574 Multi-axis position determining system |
| 03/06/1979 | US4143240 Co-ordinate plate for co-ordinate reader |
| 02/06/1979 | US4137779 Methods and arrangement for the determination of crack-depths in ultrasonic non destructive testing |
| 01/30/1979 | US4137025 Apparatus for measuring and controlling the wall thickness of plastic pipes |
| 10/24/1978 | US4121469 Method and apparatus for producing a pulse type ultrasonic wave on a workpiece surface |
| 10/17/1978 | US4121155 Position readout device |
| 10/03/1978 | US4117732 Method for checking thickness of sheet materials by using acoustic oscillation and device for effecting same |
| 09/19/1978 | US4114456 Ultrasonic device for cutting sections of constant weight from a tubular blank |
| 08/15/1978 | US4106326 Initialization and preparation of on-production-line ultrasonic test equipment |
| 07/11/1978 | US4099420 Transducer positioning apparatus |
| 07/11/1978 | US4099418 System for determining tube eccentricity |
| 07/04/1978 | US4098131 Method and apparatus for increasing the speed of ultrasonic pulse-echo testing |
| 07/04/1978 | US4098128 Method of and apparatus for monitoring slag thickness in refining crucible |
| 06/20/1978 | US4095597 Arrangement for measuring cross-sectional fluctuations of conduits streamed through by fluids and for supplying indications of volumetric flow and/or conduit elasticity based thereon |
| 06/20/1978 | US4095475 Apparatus and method whereby wave energy is correlated with geometry of a manufactured part or the like or to positional relationships in a system |
| 05/16/1978 | US4089227 Apparatus for measuring the radial dimensions of a cylindrical tube by ultrasonics |
| 05/09/1978 | US4088028 Method and apparatus for adjusting defect signal gate in ultrasonic test circuit |
| 04/18/1978 | US4084444 Rotary ultrasonic testing apparatus |
| 02/21/1978 | US4074565 Vibratory-wire strain gage |
| 01/31/1978 | US4071818 Magnetostrictive position indicator |
| 01/31/1978 | US4070917 Ultrasonic pulse-echo thickness and velocity measuring method |
| 01/03/1978 | US4066969 Multiple sheet detecting apparatus |
| 12/13/1977 | US4062227 CW ultrasonic bolt tensioning monitor |
| 11/08/1977 | US4056970 Ultrasonic velocity and thickness gage |
| 11/01/1977 | US4056434 Liquid metal cooled nuclear reactor scanning apparatus |
| 11/01/1977 | US4055990 Pipeline inspection apparatus |
| 10/11/1977 | US4052887 Ultrasonic testing device and method |
| 09/27/1977 | US4050292 Method and apparatus for testing railroad wheels |
| 09/20/1977 | US4049954 Device for accurate measurement of the dimensions of an object by ultrasonic waves |
| 09/20/1977 | US4049084 Audible lining wear indicator |
| 09/06/1977 | US4046477 Interferometric method and apparatus for sensing surface deformation of a workpiece subjected to acoustic energy |
| 08/30/1977 | US4044606 Sensing thickness of a thin body disposed between two diverse surfaces |
| 08/02/1977 | US4038865 Device for non-destructive measurement of a surface layer of a material |
| 07/26/1977 | US4037689 Audible alarm sounding type pad clip device for disc brake |
| 07/05/1977 | US4033176 Pocket-sized, direct-reading ultrasonic thickness gauge |
| 06/07/1977 | US4027527 System for determining tube eccentricity |
| 05/10/1977 | US4022055 Pulse-echo method and system for testing wall thicknesses |
| 04/05/1977 | US4016528 Moving target detector |
| 02/22/1977 | US4008603 Ultrasonic method and apparatus for measuring wall thickness of tubular members |
| 01/18/1977 | US4003244 Ultrasonic pulse-echo thickness measuring apparatus |
| 01/04/1977 | US4000646 Wave height measuring device |
| 11/30/1976 | US3994154 Ultrasonic pulse-echo thickness and velocity measuring apparatus |
| 10/12/1976 | US3985022 Ultrasonic thickness measuring method and apparatus |
| 10/12/1976 | US3984895 Density sensing and controlling equipment |
| 09/07/1976 | US3978731 Surface acoustic wave transducer |
| 09/07/1976 | US3978712 Method and apparatus for testing wear, size and residual stress conditions |
| 07/13/1976 | US3968681 Testing articles |
| 06/15/1976 | US3963980 Ultrasonic instrument for non-destructive testing of articles with current-conducting surface |
| 06/08/1976 | US3961683 Method for determining the shape of an underground cavity and the position of the surface separating two media contained therein and device for carrying out said method |
| 06/01/1976 | US3960009 Rockbolt safety gage |
| 05/11/1976 | US3955425 Pipe wall thickness gauge |
| 04/27/1976 | US3952582 Ultrasonic inspection device and system |
| 04/06/1976 | US3948086 Pulse reflection type ultrasonic thickness meter |
| 02/24/1976 | US3940636 Acoustic delay surface wave motion transducer systems with enhanced stability |
| 02/17/1976 | US3938371 Depth measuring apparatus using reflected ultrasonic beams |
| 02/10/1976 | US3937067 Measurement of angles |
| 01/06/1976 | US3930404 Inside diameter, outside diameter and wall tube gage |