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)
08/1990
08/28/1990US4951676 Ultrasonic echography device with reduced interference noise
08/23/1990DE3904440A1 Electrodynamic transducer head
08/22/1990EP0383650A1 Process and apparatus for locating and focusing waves
08/22/1990EP0383323A1 Tunneling acoustic microscope
08/22/1990EP0383270A2 Ultrasonic imaging system
08/22/1990EP0383233A2 Ultrasonic probe and acoustic lens attachment
08/22/1990EP0382844A1 Method for ultrasonically checking weld seams of articles
08/21/1990CA1273100A1 Sonic wood testing apparatus and method
08/21/1990CA1273099A1 Laser induced acoustic generation for sonic modulus
08/14/1990US4948552 Ultrasonic wave sensor intended to come into contact with a wall at a high temperature and application of this sensor
08/14/1990US4947851 Method and device for acoustic testing of elasticity of biological tissues
08/14/1990US4947677 SAW determination of surface area of thin films
08/14/1990CA1272795A1 Method and apparatus for measurement of ice thickness employing ultra-sonic pulse echo technique
08/08/1990EP0381653A2 Method and device for determining the degree of adherence between an explosive and the delimiting surface of a projectile
08/07/1990US4947351 Ultrasonic scan system for nondestructive inspection
08/07/1990US4945775 Inertial based pipeline monitoring system
08/07/1990US4945767 Method and system for controlling ultrasonic probe operation
08/07/1990US4945766 Method and apparatus for ultrasonic inspection
08/07/1990CA1272524A1 Ultrasonic signal processing system including a flaw gate
08/02/1990DE4001202A1 Ultrasonic microscope for testing surfaces of specimens mounted on rod
08/01/1990EP0380436A1 Method of visualising reflection characteristics in ultrasonic examinations
08/01/1990EP0379622A1 Apparatus and method for testing wooden poles
07/1990
07/31/1990US4944191 Ultrasonic detector
07/31/1990US4944186 Ultrasonic measuring system
07/31/1990US4944185 System and method for qualitatively and nondestructively inspecting adhesive joints and other materials
07/31/1990CA1272283A1 Apparatus and method for, ultrasonically inspecting articles for internal defects
07/26/1990WO1990008314A1 Apparatus and method for early detection and identification of dilute chemical vapors
07/26/1990WO1990008029A1 Method and apparatus for post curing composites
07/25/1990EP0379229A2 Ultrasonic probe
07/25/1990EP0379139A1 Ultrasonic diagnostic apparatus
07/25/1990EP0378718A1 System for stabilizing dimensional properties of cured composite structures
07/25/1990CN2059741U Low temp. transducer
07/23/1990CA2007223A1 Apparatus and method for early detection and indentification of dilute chemical vapors
07/18/1990EP0378287A1 Process for detecting flaws in oblong work pieces
07/18/1990EP0377986A2 Ultrasonic testing method
07/18/1990EP0377571A1 Imaging process and system for transillumination with photon frequency marking.
07/18/1990CN1008831B Apparatus for ultrasonically inspecting large shaft from luguid-filled bose
07/17/1990US4942387 For determining the condition of a tool
07/17/1990US4941474 Multivariable analysis of bone condition
07/17/1990US4941356 Process for detecting insects
07/17/1990CA1271833A1 Acoustic monitor for rotary electrical machinery
07/13/1990CA2007420A1 Ultrasonic flaw detecting method
07/11/1990CN1043787A Ultrasonic converter of defect detector
07/10/1990US4939965 Cutting and the like tools
07/04/1990EP0376567A2 Array of ultrasonic transducer
07/04/1990EP0376396A2 Transducer for ultrasonic medical imaging
07/04/1990EP0219519B1 Non-destructive method for determining at least one point of a cracking front in a part and device for implementing such method
07/03/1990US4938067 Low temperature ultrasonic microscope
06/1990
06/27/1990EP0375132A1 A miniaturized mechanically steerable ultrasonic probe
06/27/1990EP0374693A1 Slide table
06/27/1990EP0374395A2 Method and apparatus for precisely positioning a part displaced along a rail transversely to this rail
06/26/1990US4936308 Method and apparatus for measuring acoustic characteristics and temperature
06/26/1990US4936138 Method and apparatus for tire inspection
06/26/1990CA1270940A1 Method for classification of point and elongated single defects in workpieces by means of ultrasonics
06/26/1990CA1270938A1 Apparatus for ultrasonicly inspecting a large shaft from a liquid-filled bore
06/26/1990CA1270904A1 System and process for inspecting boiler tubes
06/21/1990DE3842061A1 Method for the determination of mechanical defects in brittle material moulded parts, especially ceramic substrate plates
06/20/1990EP0373603A2 Ultrasonic probe
06/20/1990CN1043201A Ultrasound detecting head and pulse generator
06/19/1990US4935884 Sonic pipe length detector
06/19/1990US4934191 Method for electromagnetic ultrasonic conversion for monitoring the fill level and bubble formation in enclosures containing liquid
06/19/1990US4934177 Solute concentration measurement apparatus
06/13/1990EP0372690A1 An apparatus for determining the surface roughness of a material
06/13/1990EP0372589A2 Ultrasonic probe
06/13/1990EP0372060A1 An acoustic screen scan microscope for the examination of an object in the short-range field of a resonant acoustic oscillator.
06/13/1990EP0210202B1 Test body for ultrasonic tests
06/13/1990EP0198923B1 Ultrasonic diagnostic apparatus
06/12/1990US4932255 Flow sensing using surface acoustic waves
06/12/1990CA1270303A1 Probe for composite analyzer tester
06/06/1990EP0371631A2 Method and apparatus for monitoring structural members subject to transient loads
06/06/1990EP0371322A2 Surface testing device
06/06/1990CN1042778A Method for detecting welding seam of articles by ultrasonic
06/05/1990US4930513 Two dimensional processing of pulsed Doppler signals
06/05/1990US4930511 Ultrasonic densitometer device and method
05/1990
05/31/1990WO1990005912A1 Installation for the ultrasonic testing of components by local immersion
05/31/1990DE3938854A1 Monitoring punching tools during punching process - by detecting parameters, e.g. body signal noise and punching force, in time correlation with punching process
05/31/1990DE3840392A1 Ultraschallwandler fuer die werkstoffpruefung Ultrasonic transducer for the werkstoffpruefung
05/31/1990CA2001926A1 Methods and apparatus for monitoring structural members subject to transient loads
05/29/1990US4928527 Method and device for nondestructive evaluation
05/29/1990CA1269709A1 Composite analyzer tester
05/22/1990US4928031 Pressure/temperature compensated transducer pad assembly
05/22/1990US4926872 Ultrasonic transducer system and method for the operation thereof
05/22/1990US4926692 Method of measurement of residual stresses in the material of the object under test
05/22/1990US4926691 Apparatus and method for testing wooden poles
05/17/1990WO1990005283A1 Method and apparatus for measuring mass flow
05/16/1990CN1042236A Method and device for detecting gas by photoacoustic spectroscopy
05/15/1990US4926380 Ultrasonic imaging apparatus
05/15/1990US4924707 Method of and device for coupling an ultrasonic probe to a test piece
05/15/1990US4924706 Method and apparatus for determining resonant frequency of a turbine blade made of a meterial not responsive to a magnetic field
05/15/1990CA1269167A1 Ultrasonic scanning system
05/09/1990CN1007933B Method for sorting out point flaws from slender ones in workpiece by the use of ultrasonic wave
05/08/1990US4924449 Acoustic sub-surface interrogator
05/08/1990US4922917 Ultrasonic tissue characterization
05/08/1990US4922754 Acoustic emission transducer and mounting adapter for monitoring metalcutting tools
05/08/1990CA1268850A1 Downhole casing inspection system
05/03/1990DE3837144A1 Pneumatic adjusting device for sensors for the non-destructive testing of elongated test pieces
05/02/1990EP0366286A2 A method and apparatus for processing electrical signals
05/02/1990EP0366151A2 Method and apparatus for photoacoustic immunoassay
05/02/1990CN2056759U High temp. energy transduce
05/02/1990CN1041721A Method and apparatus for monitoring and controlling acoustic emission (ae) cutter