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)
08/1987
08/26/1987EP0233676A1 Apparatus for ultrasound detection
08/25/1987US4688576 Ultrasonic transducer probe assembly
08/25/1987US4688429 Determination of the spectral content of transient stress wave events
08/25/1987US4688428 Method of and device for scanning objects by means of ultrasound echography
08/25/1987US4688423 System and process for measuring ultrasonic velocity
08/19/1987EP0233047A2 Solute concentration measurement apparatus
08/19/1987EP0232794A2 Electrodynamical transducer
08/19/1987EP0232613A2 Detection of hydrogen damage in boiler tubes
08/18/1987US4687962 Ultrasonic horn driving apparatus and method with active frequency tracking
08/18/1987CA1225733A1 Scanning acoustic microscope
08/13/1987WO1987004793A1 Method and device for measuring solid phase parameters of suspensions
08/12/1987EP0231865A2 Arrangement for nondestructive testing of cylinder-shaped work pieces
08/12/1987EP0231470A2 Method of and apparatus for determination of trace constituents by simultaneous measurement of photoluminescence and photoacoustic signal
08/12/1987EP0231405A1 Method and device for determining the load of charcoal filters
08/12/1987CN87100104A Microcomputer controlled auto-ultrasonic flaw detector of train wheel shaft
08/11/1987US4686078 Nuclear reactor inspection device
08/11/1987US4685966 Surface tracking apparatus
08/11/1987US4685475 Monitoring rod
08/11/1987US4685335 Method and apparatus for monitoring cracks of a rotatable body
08/11/1987US4685334 Method for ultrasonic detection of hydrogen damage in boiler tubes
08/05/1987EP0230880A1 Apparatus and method for ultrasonic detection of inclusions in a molten body
08/04/1987US4684793 Device for acquiring, storing and evaluating the data of a checking process
08/04/1987US4684493 Ultrasonic absorption; immersed assembly
08/04/1987US4683752 For determining a property of a liquid
08/04/1987US4683751 Sample stand adjusting device in an ultrasonic microscope
08/04/1987US4683750 Thermal acoustic probe
08/04/1987CA1225142A1 Sonic apparatus and method for detecting the presence of a gaseous substance in a closed space
08/04/1987CA1224935A1 Optical interferometric reception of ultrasonic energy
07/1987
07/29/1987EP0229840A1 Ultrasonic flaw detector
07/29/1987EP0229837A1 Method of measuring contact stress in contact surface between solids by ultrasonic wave
07/28/1987US4682608 Apparatus for measuring viscoelastic properties of skin in vivo
07/28/1987US4682498 Surface testing apparatus
07/28/1987CA1224867A1 Apparatus for continuous long-term monitoring of acoustic emission
07/22/1987EP0138935B1 Ultrasonic apparatus and method for the control and measurement of the time evolution of physical-chemical, biological or bacteriological phenomena
07/21/1987US4681855 Humidity sensing and measurement employing halogenated organic polymer membranes
07/21/1987US4681730 Process and device for detecting leaking nuclear fuel elements in a nuclear assembly
07/21/1987US4680969 Ultrasonic probe jig
07/21/1987US4680967 Ultrasonic angle test probe having at least two transducers
07/21/1987US4680966 Apparatus for examining an object by ultrasonic echography
07/16/1987WO1987004250A1 Apparatus for detecting defects, particularly in castings
07/15/1987EP0228731A1 Pivot ring
07/15/1987EP0228720A2 Ultrasonic inspection system with linear transducer array
07/14/1987US4680498 Input circuit in ultrasonic apparatus
07/14/1987US4679946 Evaluating both thickness and compositional variables in a thin film sample
07/14/1987US4679448 System for the internal inspection of pipelines
07/14/1987US4679437 Method of detecting flaws in thick wall steel pipe with ultrasonic angle beam technique
07/14/1987US4679435 Gas content determination of evaporite formations using acoustic emissions during dissolution
07/08/1987CN86106835A Method for sorting out point flaws from slender ones in workpiece by the use of ultrasonic wave
07/07/1987US4678056 Part time four wheel drive vehicle with road surface condition sensor
07/07/1987US4677916 Weld scanner guide and magnetically susceptible track
07/07/1987US4677865 Pipe pig with running gear
07/07/1987US4677852 Method of and apparatus for inspecting and/or positioning objects with wave energy using wave guides
07/07/1987US4677842 Ultrasonic density measurement
07/01/1987EP0226821A1 Ultrasonic apparatus with dynamic change of the focal-reception position
07/01/1987EP0226638A1 Method of measuring angle of inclination of planar flaw in solid object with ultrasonic wave
06/1987
06/30/1987US4676379 Apparatus for sorting out defective plastic crates for bottles
06/30/1987US4676251 Improved method and device for measuring frequency dependent parameters of objects by means of ultrasound echography
06/30/1987US4676250 Method and apparatus for estimating the attenuation-vs-frequency slope of a propagation medium from the complex envelope of a signal
06/25/1987DE3545889C1 Method for determining the elastic material constants of the material of a component part, and appliance for implementing the method
06/24/1987EP0226073A1 Device for measuring and/or testing of objects
06/23/1987US4674516 Ultrasonic delay line matrix switch check system
06/23/1987US4674337 Particle detector
06/23/1987US4674334 Properties of composite laminates using leaky lamb waves
06/23/1987US4674333 Multi-color displaying ultrasonic microscope
06/23/1987US4674332 Laser induced acoustic generation for sonic modulus
06/23/1987CA1223332A1 Electromagnetic transducer
06/19/1987DE3544786A1 Arrangement for determining the concentration of a gas, especially of the carbon dioxide content in a gas mixture
06/18/1987WO1987003688A1 Method and apparatus for characterizing defects in tubular members
06/16/1987US4673927 Apparatus for detecting and controlling the level of a gaseous fluid
06/16/1987US4673027 Device for inspection and/or repair of the tubes of a steam generator for nuclear reactors
06/16/1987US4672852 For ultrasonically testing welded seams
06/16/1987US4672851 Acoustic evaluation of thermal insulation
06/16/1987CA1222914A1 Mobile positioning body introduction device
06/10/1987CN86207327U Ultrasonic flaw detector with rotary probe
06/09/1987US4672591 Ultrasonic transducer
06/09/1987US4671114 Acoustical detection of hidden insects
06/02/1987US4670683 Electronically adjustable mechanical lens for ultrasonic linear array and phased array imaging
06/02/1987US4670029 Dearating water used to flood bore
06/02/1987US4669315 Rotating machinery diagnosis system with acoustic emission technique
06/02/1987US4669313 Method and apparatus for local selective detection and generation of polar structure alignments in microscopic object areas
06/02/1987US4669312 Method and apparatus for ultrasonic testing of defects
06/02/1987US4669311 Method of determining an acoustic refractive index distribution in an examination zone, and device for performing the method
06/02/1987US4669310 High frequency ultrasonic technique for measuring oxide scale on the inner surface of boiler tubes
06/02/1987CA1222422A1 Remotely operated maintenance and inspection equipment transporter
05/1987
05/27/1987EP0222986A1 Ultra-sonic sensor for detecting air bubbles in flowing liquids
05/26/1987US4668945 Detector of bubbles in blood
05/26/1987US4667515 Pipeline inspection
05/26/1987CA1222314A1 Inspection method of square billet using electronic scanning
05/20/1987EP0222450A2 Method and apparatus for estimating the ultrasound attenuation - VS - frequency slope of a propagation medium from the complex envelope of a signal
05/20/1987EP0222346A2 Method of measuring a sound pressure distribution in a solid body due to a ultrasonic probe by using photoelasticity
05/20/1987EP0222276A2 Ultrasonic measuring head
05/19/1987US4665752 Electrodynamic transducer
05/19/1987US4665750 Underwater transducers
05/19/1987US4665734 Method and installation for selective detection of defects in a workpiece
05/13/1987EP0221796A1 Method and apparatus for the ultrasonic detection of gas bubbles in a liquid metal
05/12/1987US4664124 Biological fluid specific gravity monitor with ultrasonic sensor circuit
05/12/1987US4664123 Ultrasonic method and apparatus for tissue characterization and imaging nonlinear parameter
05/12/1987US4663973 Ultrasonic scanning apparatus
05/07/1987WO1987002770A1 Measurement of specific gravity
05/07/1987DE3637056A1 Ultrasonic imaging device with colour display function