Patents
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)
10/1978
10/24/1978US4121467 Non-destructive technique for surface wave velocity measurement
10/17/1978US4120291 Ultrasonic scanning apparatus
10/10/1978US4119950 Gas detection
10/10/1978US4119938 Methods and devices for ultrasonic imaging
10/10/1978US4119891 Oscilloscope for the image display of sectional planes of a body
10/03/1978US4117733 Test system carrier for ultrasonic testing of nozzle seams, pipe connection seams and nozzle corners in pressure vessels, particularly reactor pressure vessels of nuclear power plants
10/03/1978US4117731 Pseudo continuous wave instrument
10/03/1978US4117716 Densitometer apparatus
09/1978
09/26/1978US4117446 Devices for probing by ultrasonic radiation
09/19/1978US4114455 Ultrasonic velocity measuring method and apparatus
09/12/1978US4112927 Ultrasonic detector with audible indication signal
09/12/1978US4112775 Fillet weld inspection system
09/12/1978US4112773 Ultrasonic particulate sensing
09/12/1978US4112740 Method and apparatus for determining a change of the flow state of flowable substances from its static state to its flowing state or vice verse
09/12/1978US4112735 Detection of bubbles in a liquid
09/12/1978CA1038486A1 Acoustic emission transducer calibration
09/05/1978US4112411 Device for echography by means of focussed ultrasonic beams
09/05/1978US4111055 Pulse echo ultrasonic system
09/05/1978US4111054 Gravidity detection method and apparatus
09/05/1978US4111053 Audible bond tester
09/05/1978US4111040 Testing for corrosion of the internal wall of a metal chamber
09/05/1978US4111035 Engine knock signal generating apparatus with noise channel inhibiting feedback
09/05/1978CA1038038A1 Apparatus for measuring and indicating the thickness of non-metallic coatings
08/1978
08/22/1978US4108004 Self-propelled pipe inspecting apparatus
08/22/1978US4107981 Method of estimating ground pressure
08/15/1978US4106348 Device for examination by means of ultrasonic vibrations
08/15/1978US4106347 Ultrasonic inspection apparatus for tubular members and method
08/15/1978US4106346 Grey-level ultrasonic imaging
08/15/1978US4106327 Anisotropic determination and correction for ultrasonic flaw detection by spectral analysis
08/15/1978US4106326 Initialization and preparation of on-production-line ultrasonic test equipment
08/15/1978CA1036707A1 Moisture indicating apparatus
08/15/1978CA1036383A1 Method and means for analyzing substances by photoacoustic spectrum analysis
08/08/1978US4104922 Electromagnetic transducer
08/01/1978US4103677 Ultrasonic camera
07/1978
07/25/1978US4102207 Electromagnetic ultrasound transducer
07/25/1978US4102206 Device for inspecting a tube by ultrasonics
07/25/1978US4102205 Method and apparatus for ultrasonic nondestructive testing of workpieces with automatic compensation for the probe, workpiece material, and temperature
07/25/1978US4102203 Underwater inspection and communication apparatus
07/18/1978US4101795 Ultrasonic probe
07/18/1978US4100916 Three-dimensional ultrasonic imaging of animal soft tissue
07/18/1978US4100809 Method for excitation and reception of ultrasonic plate waves in workpieces and devices for realizing same
07/18/1978US4100808 Apparatus for evaluating a bond
07/11/1978US4099420 Transducer positioning apparatus
07/11/1978US4099419 Ultrasonic tomography apparatus
07/11/1978US4099416 Resolution real-time ultrasonic imaging apparatus
07/04/1978US4099045 Ultrasonic testing method and apparatus for resistance welding
07/04/1978US4098132 Ultrasonic search wheel probe
07/04/1978US4098131 Method and apparatus for increasing the speed of ultrasonic pulse-echo testing
07/04/1978US4098130 Energy reflection flaw detection system
07/04/1978US4098129 Non-destructive testing of materials using ultrasonic waves
07/04/1978US4098128 Method of and apparatus for monitoring slag thickness in refining crucible
06/1978
06/27/1978US4097835 Dual transducer arrangement for ultrasonic imaging system
06/27/1978US4096757 Method and apparatus for examining weld defects in vertical pipes by supersonic waves
06/27/1978US4096756 Variable acoustic wave energy transfer-characteristic control device
06/27/1978US4096755 Ultrasonic inspection apparatus
06/27/1978US4096738 Method for testing filled glass containers
06/20/1978US4096467 Ultrasonic image conversion
06/20/1978US4095474 Monitoring systems and instruments
06/20/1978US4095457 Apparatus for detecting changes in parameters of liquid flowing in a pipe based on sing-around method
06/13/1978US4094306 Apparatus for ultrasonic examination
06/06/1978US4093382 Hybrid holographic non-destructive test system
06/06/1978US4092868 Ultrasonic inspection of pipelines
06/06/1978US4092867 Ultrasonic scanning apparatus
05/1978
05/23/1978US4090400 Methods and apparatus for the non-destructive testing of bonded articles
05/16/1978US4089227 Apparatus for measuring the radial dimensions of a cylindrical tube by ultrasonics
05/16/1978US4089226 System for residual tire life prediction by ultrasound
05/16/1978US4089225 System for residual tire life prediction by ultrasound
05/16/1978US4089224 Acoustic emission fatigue analyzer
05/09/1978US4088907 Piezoelectric acoustic emission instrumentation
05/09/1978US4088030 Apparatus for ultrasonic examination
05/09/1978US4088029 Ultrasonic flaw detector
05/09/1978US4088028 Method and apparatus for adjusting defect signal gate in ultrasonic test circuit
05/02/1978US4086818 Ultrasonic imaging apparatus
05/02/1978US4086817 Method and apparatus for determining the acceptability of a weld formed by applying repetitive pulses of energy to the weld site
05/02/1978US4086816 Method and apparatus for distinguishing stress wave emissions from mechanical noise
04/1978
04/18/1978US4084444 Rotary ultrasonic testing apparatus
04/11/1978US4083232 Medical tomograph system using ultrasonic transmission
04/11/1978US4083225 On-line ultrasonic gas entrainment monitor
03/1978
03/28/1978US4080839 Testing method using ultrasonic energy
03/28/1978US4080837 Sonic measurement of flow rate and water content of oil-water streams
03/28/1978US4080836 Method of measuring stress in a material
03/14/1978US4078435 Simultaneous display of compound and simple ultrasound scans
03/14/1978US4078434 Method and apparatus for determining the parameters of natural vibration of a system
03/07/1978US4077253 Apparatus and method for the imaging of the internal structure of a three-dimensional solid and/or liquid object
02/1978
02/21/1978US4075601 Combined pipeline marker and test unit
02/21/1978US4075598 Ultrasonic wave transmitting and receiving apparatus
02/21/1978US4074564 Reconstruction system and method for ultrasonic imaging
02/14/1978US4073193 Transducer device
02/07/1978US4072046 Acoustic pycnometer
01/1978
01/31/1978US4070917 Ultrasonic pulse-echo thickness and velocity measuring method
01/31/1978US4070905 Ultrasonic beam scanning
01/24/1978US4070642 Ultrasonic wave transmitting and receiving apparatus
01/24/1978US4070561 Method and apparatus of controlling an automatic inspection device
01/17/1978US4068524 Ultrasonic inspection of articles
01/17/1978US4068523 Non-destructive testing
01/17/1978US4068521 Ultrasonic air and blood foam detector
01/10/1978US4067653 Differential optoacoustic absorption detector
01/03/1978US4066969 Multiple sheet detecting apparatus
01/03/1978US4065976 Mechanical scanning method and apparatus for ultrasonic imaging, or the like
01/03/1978US4065960 Method and apparatus for monitoring the operation of ultrasonic testing of tubes and bars