| 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) |
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| 06/14/1988 | US4750366 Method of and device for measuring an ultrasound scatter function |
| 06/14/1988 | CA1237880A1 Device for the inspection and/or repair of the tubes of a steam generator for nuclear reactors |
| 06/09/1988 | DE3641027A1 Method for locating sound emission sources and device for carrying out the method |
| 06/09/1988 | DE3640968A1 Quality assurance system on ultrasonic basis |
| 06/08/1988 | EP0270448A1 Probe for an ultrasonic apparatus with a bar composed of piezo-electric elements |
| 06/08/1988 | EP0269815A2 Ultrasonic method of inspecting contents of a package and apparatus thereof |
| 06/02/1988 | WO1988004092A1 Probe with bar of piezoelectric elements for ultrasound apparatus |
| 06/02/1988 | WO1988004089A1 Probe provided with a concave arrangement of piezoelectric elements for ultrasound apparatus |
| 06/02/1988 | WO1988004088A1 Probe with curved bar for echography |
| 06/01/1988 | EP0268818A1 Equipment for the transmission and reception of ultrasonic signals |
| 05/31/1988 | US4747411 Three-dimensional imaging system |
| 05/31/1988 | US4747310 Physical properties and thickness of a test material |
| 05/31/1988 | US4747295 Test piece for ultrasonic testing |
| 05/31/1988 | US4747192 Method of manufacturing an ultrasonic transducer |
| 05/31/1988 | CA1237303A1 Ultrasonic horn with sidelobe suppressing centerpiece |
| 05/24/1988 | US4746020 Method and an apparatus for marking faults on rapidly moving material webs |
| 05/24/1988 | US4745809 Composite analyzer tester |
| 05/24/1988 | US4745808 Measurement apparatus utilizing sonar waves |
| 05/18/1988 | EP0267737A2 Apparatus for measuring firmness |
| 05/18/1988 | EP0267284A1 Ultrasonic flaw detector |
| 05/17/1988 | US4744251 Apparatus for examining tubular members disposed in axially parallel relationship |
| 05/17/1988 | US4744250 Method for classification of point and elongated single defects in workpieces by means of ultrasonics |
| 05/17/1988 | CA1236913A1 Inspection of the internal portion of objects using ultrasonics |
| 05/11/1988 | CN87211690U High precision metal detector |
| 05/10/1988 | US4743361 Separating in liquid medium by ultrasonic wave energy; biological particles |
| 05/10/1988 | US4742713 Ultrasonic flaw detecting system |
| 05/10/1988 | CA1236560A1 Process and apparatus for determining the interfacial area in a two-phase mixture incorporating a gaseous phase flowing in the form of bubbles |
| 05/04/1988 | CN86102512A Acoustic method and its equipment for detecting the location of cumulative water in pipelines |
| 05/03/1988 | USH465 Acousto-ultrasonic monitoring |
| 05/03/1988 | US4741212 Method for determining structural defects in semiconductor wafers by ultrasonic microscopy |
| 05/03/1988 | CA1236209A1 Acoustic waveguide monitoring |
| 04/27/1988 | CN87104401A Ultrasonic signal processing system including a flaw gate |
| 04/26/1988 | US4739662 Ultrasonic particulate sensing |
| 04/26/1988 | CA1235744A1 Method and device for measuring the corrosivity of liquids |
| 04/20/1988 | EP0263969A2 Automatic indexer assembly |
| 04/19/1988 | US4738536 Method for analyzing impurities in liquid and apparatus therefor |
| 04/19/1988 | US4738139 Ultrasonic real-time monitoring device for part surface topography and tool condition in situ |
| 04/19/1988 | CA1235476A1 Testing of liquid melts |
| 04/13/1988 | EP0263475A2 Ultrasonic flaw detecting method and apparatus |
| 04/12/1988 | US4736631 Ultrasonic probes |
| 04/12/1988 | US4736630 Apparatus and method for sending out and receiving ultrasonic wave signals |
| 04/07/1988 | WO1988002240A1 Ultrasonic diagnosing apparatus |
| 04/06/1988 | EP0263036A2 Ultrasonic measurement of dispersed phase volumetric holdup in liquid/liquid dispersions |
| 04/06/1988 | EP0263028A2 Method for cementation evaluation using acoustical coupling and attenuation |
| 04/05/1988 | US4736192 Excitation circuit for piezo-electric sound generators |
| 04/05/1988 | US4735906 Sensor having piezoelectric crystal for microgravimetric immunoassays |
| 04/05/1988 | US4735541 Tube drive apparatus employing flexible drive belts |
| 04/05/1988 | US4735097 Method and apparatus for measuring fluid characteristics using surface generated volumetric interrogation signals |
| 04/05/1988 | US4735088 For identifying changes in geometrical characteristics of objects |
| 04/05/1988 | US4735087 In situ papermachine web sound velocity test |
| 03/31/1988 | DE3731917A1 Ueberlagerung in einem video-anzeigesystem By storage in a video display system |
| 03/30/1988 | EP0261563A2 Inspection installation for nuclear reactor fuel rods |
| 03/30/1988 | EP0261487A2 Method and apparatus for testing timbers for disconformity or decay |
| 03/30/1988 | EP0261393A2 Surface acoustic wave gas flow rate sensor with self-heating feature |
| 03/29/1988 | US4733963 Method of measuring a sound pressure distribution in a solid body due to a ultrasonic probe by using photoelasticity |
| 03/29/1988 | US4733668 Method and apparatus for compensation during ultrasound examination |
| 03/29/1988 | CA1234502A1 Method for analysis of a sample of a substance by means of photoacoustic or optothermal spectroscopy and a sample carrier for performing of the method |
| 03/24/1988 | WO1988002112A1 Method and apparatus for ultrasonic flaw detection |
| 03/24/1988 | WO1988001911A1 Atmospheric variable compensation for an automated inspection system |
| 03/23/1988 | EP0260818A2 Method and apparatus for detecting leaks in automotive vehicle bodies |
| 03/22/1988 | US4732045 Method for rapid acoustic emission testing of pressure vessels |
| 03/22/1988 | US4732040 Electrodynamically producing ultrasonic waves |
| 03/16/1988 | EP0259669A2 Rotating head for tube inspection |
| 03/16/1988 | EP0259501A1 Method of non-destructive quality control of carbon articles |
| 03/15/1988 | US4731556 Electronic bubble detector apparatus |
| 03/15/1988 | US4730494 Method for examining a surface of a sample by means of ultrasound |
| 03/15/1988 | US4730493 Process and device for ultrasonic detection of gas bubbles in a liquid metal |
| 03/15/1988 | US4730484 Missing bearing detector |
| 03/09/1988 | EP0258438A1 Ultrasonic converter |
| 03/08/1988 | US4729235 Test piece for inspection by ultrasonic method |
| 03/02/1988 | CN87104404A Boresonic inspection system |
| 02/25/1988 | WO1988001383A1 Probe for composite analyzer tester |
| 02/25/1988 | WO1988001382A1 Composite analyzer tester |
| 02/24/1988 | EP0256481A1 Method and equipment for adaptive focussing in a medical ultrasonic imaging apparatus |
| 02/24/1988 | EP0256474A2 Method and apparatus for detecting particular particulate substance |
| 02/23/1988 | US4727321 Method and device for magnetic and ultrasonic testing of ferro-magnetic objects |
| 02/23/1988 | US4727277 Electronic bubble detector apparatus |
| 02/23/1988 | US4726231 Arrangement for the ultrasonic examination of objects in local immersion |
| 02/23/1988 | US4726229 Microscope having an optical head and an additional head |
| 02/23/1988 | US4726225 Surface acoustic wave gas flow rate sensor with self-heating feature |
| 02/23/1988 | US4726221 Ultrasonic measurement of dispersed phase volumetric holdup in liquid/liquid dispersions |
| 02/18/1988 | DE3627098A1 Testing device for nondestructive testing |
| 02/17/1988 | CN87207838U Pseudo-colour real-time display device of ultrasonic computed tomography (ct) |
| 02/16/1988 | CA1232961A1 Method of and device for scanning objects by ultrasound echography |
| 02/11/1988 | WO1988001056A1 Method and apparatus for determining flow resistance of fully assembled acoustic liners |
| 02/11/1988 | WO1988001054A1 Measuring metal hardness utilizing ultrasonic wave time-of-flight |
| 02/10/1988 | CN87104550A Method and apparatus for detecting defects of pipes and clubs in post shapes |
| 02/09/1988 | US4723553 Ultrasound medium characteristics measuring apparatus |
| 02/09/1988 | US4723448 Method for remotely inspecting solid structures for discontinuities utilizing laser techniques |
| 02/09/1988 | CA1232671A1 Defect recognition system, mainly for internal defects, such as hairlines in welded joints |
| 02/03/1988 | EP0254882A1 Particle detector |
| 02/03/1988 | CN87207131U Probe of scanning ultrasonic diagnostic apparatus |
| 02/03/1988 | CN87104400A Bore mapping and surface time measurement system |
| 02/02/1988 | US4722602 Apparatus and method for analyzing particles in a medium |
| 02/02/1988 | US4722226 Acoustic monitor for rotary electrical machinery |
| 02/02/1988 | US4722225 Ultrasonic inspection system |
| 02/02/1988 | US4722224 Ultrasonic sensor for the detection of gas bubbles |
| 01/27/1988 | EP0253829A1 Apparatus for detecting defects, particularly in castings |
| 01/26/1988 | CA1232055A1 Transceiver for an ultrasonic imaging apparatus |
| 01/19/1988 | US4719801 For inspecting an automotive vehicle body |