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