| 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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| 01/02/1992 | EP0463042A1 Method for detection and/or identification of living micro-organisms by vibrometry |
| 12/31/1991 | US5077695 Near field scanning acoustic microscope and method |
| 12/31/1991 | US5076276 Ultrasound type treatment apparatus |
| 12/31/1991 | US5076102 Tool monitor |
| 12/31/1991 | US5076094 Dual output acoustic wave sensor for molecular identification |
| 12/31/1991 | CA1293796C Boresonic inspection system |
| 12/28/1991 | CA2045716A1 Method for monitoring acoustic emissions |
| 12/27/1991 | EP0462311A1 Composite ultrasound transducer and fabrication process of a structured component from piezoelectric ceramic |
| 12/27/1991 | EP0462149A1 Acoustic detection apparatus. |
| 12/24/1991 | US5074677 Center-free large roller bearing |
| 12/24/1991 | US5074151 Ultrasonic tube inspection station |
| 12/24/1991 | US5074150 Instrument for the measurement of the cavitation or ebullition rate in a liquid |
| 12/24/1991 | US5074149 Acoustic wave measurement of the properties of porous materials filled with air and granules |
| 12/24/1991 | CA1293559C Method and apparatus for testing timbers for disconformity or decay |
| 12/19/1991 | DE4036684C1 Water pipe section tester esp. for hydrant or slide valve - has sound pick=up on one side and piezo-discs on other side of receptor |
| 12/18/1991 | EP0461763A2 Non-destructive examination system |
| 12/18/1991 | EP0461506A1 Underwater mobile type inspection system |
| 12/18/1991 | EP0461217A1 Process for the acoustic examination of monoliths for damage and device for implementing the process. |
| 12/18/1991 | EP0175770B1 Three-dimensional imaging system |
| 12/18/1991 | CN1057110A Method of and apparatus for ultrasonic identification of materials and equipment |
| 12/18/1991 | CN1015093B Method and apparatus for monitoring and controlling acoustic emission cutter |
| 12/17/1991 | US5073332 Device to position a device in a cylindrical cavity comprising perforation disposed along a regular network |
| 12/12/1991 | WO1992018862A1 Method and device for detecting flaw with ultrasonic wave |
| 12/12/1991 | WO1991019194A1 Method for ultrasonically detecting the angle of the grain in wood, and device for implementing same |
| 12/12/1991 | WO1991019191A2 Multi-level probe and system for measurement of physical conditions in liquid-containing tanks |
| 12/11/1991 | EP0461018A1 Method and device for controlling the thickness and cohesion of a duplex tube interface |
| 12/11/1991 | EP0460733A1 A method of and an apparatus for the ultrasonic identification of materials and equipment |
| 12/10/1991 | US5070733 Photoacoustic imaging method |
| 12/10/1991 | US5070722 Turbine engine debris ingestion monitor |
| 12/05/1991 | DE4034333A1 Contactless monitor for yarn, etc. - has ultrasonic transmitter and receiver flanking material at gap from it for monitoring without being affected by local environment |
| 12/05/1991 | CA2043744A1 Method of and an apparatus for the ultrasonic identification of materials and equipment |
| 12/04/1991 | EP0459948A2 Receiver-combination for force, elongation and sound conducted through solids |
| 12/04/1991 | EP0459920A1 Method of detecting defaults on metal tubes with internal helical ribs |
| 12/04/1991 | EP0459813A2 Ultrasonic imaging apparatus indicating dispersion of characteristic parameter of medium |
| 12/04/1991 | EP0459613A1 Biosensors |
| 12/04/1991 | EP0459583A1 Ultrasonic echograph with phase aberration adaptive correction |
| 12/04/1991 | EP0459365A1 Fastening screw |
| 12/04/1991 | CN2090061U Electromagnetic sound flaw deivce |
| 11/27/1991 | EP0458425A2 Electromagnetic transducer with permanent magnet |
| 11/27/1991 | EP0333823B1 Investigating properties of fluids |
| 11/27/1991 | CN1014875B Method and apparatus for monitoring (controlling) cutting-tool by sound emission |
| 11/26/1991 | US5068800 Crack detection method for shaft at rest |
| 11/26/1991 | US5068721 Process and apparatus for the remote-controlled positioning of an inspection device with the aid of a television camera associated with the inspection device |
| 11/26/1991 | US5067352 Ultrasonic control head for parts whose shape evolves during production |
| 11/21/1991 | EP0457650A2 Ultrasonic measurement apparatus and method for boreholes |
| 11/21/1991 | EP0457384A1 Apparatus for carrying mobile means of inspection in the interior of a tubular body |
| 11/21/1991 | EP0456787A1 Selective gas detection by field separation and sound velocity measurement: detection of oxygen. |
| 11/21/1991 | EP0456776A1 Apparatus for automatically and non-destructively determining the class of standardized mechanical properties of a sample of hygroscopic material. |
| 11/21/1991 | DE4015847A1 Ultrasonic test head arrangement for metal sheet bonding - uses highly-damped LF impact wave sound head with measured frequency decreasing as thickness of plate assembly increases |
| 11/19/1991 | US5066452 Ultrasonic profilometry system for control rod wear |
| 11/19/1991 | US5065763 Combined reflection and transmssion untrasonic imaging method and apparatus |
| 11/19/1991 | US5065635 Apparatus and method for inspecting an item having grooves machined therein |
| 11/19/1991 | US5065630 Integrated system for aircraft crack detection |
| 11/19/1991 | US5065629 Ultrasonic insection apparatus |
| 11/19/1991 | CA1292306C Apparatus for inspecting a pipeline |
| 11/14/1991 | WO1991017435A1 Method and device for continuously determining the modulus of elasticity of advancing flexible material |
| 11/14/1991 | WO1991017009A1 The inspection of continuously cast metals |
| 11/13/1991 | EP0456520A1 An apparatus for detecting intensity and/or density of shot blasting |
| 11/13/1991 | EP0456028A1 Inspection apparatus |
| 11/12/1991 | US5064412 Ultrasonic air-in-line detector for a medication infusion system |
| 11/12/1991 | US5063780 Ultrasonic dimensional and flaw inspection of thin-walled tubular elements |
| 11/12/1991 | US5063779 Non-destructive dimensional and flaw inspection of thin wall tube weldments |
| 11/07/1991 | DE4014161A1 Non-destructive test appts. |
| 11/07/1991 | DE4013402A1 Verfahren und vorrichtung zur erkennung von gasblasen in mit fluessigkeit gefuellten leitungen, insbesondere flexiblen, schlauchfoermigen leitungen oder containern Method and apparatus for detection of gas bubbles in liquid-filled pipes, particularly flexible, schlauchfoermigen pipes or containers |
| 11/06/1991 | EP0454893A1 Inspection apparatus manipulator for pressure vessel of nuclear reactors |
| 11/06/1991 | CN2088254U Ultrasonic transverse wave transducer for nondestructive testing axial force of bolts |
| 11/05/1991 | US5063541 Beam forming method and apparatus therefor in ultrasonic imaging system |
| 11/05/1991 | US5062715 Method and apparatus for detecting photoacoustic signal and method for detecting internal defect of semiconductor device |
| 11/05/1991 | US5062301 Scanning device for ultrasonic quality control of articles |
| 11/05/1991 | US5062300 Device for the ultrasonic non-destructive testing of tubes |
| 11/05/1991 | US5062299 Apparatus and method for detecting inhomogeneities in semi-plastic substances through ultrasound |
| 11/05/1991 | US5062296 Resonant ultrasound spectroscopy |
| 11/05/1991 | CA1291809C Ultrasonic transducer |
| 10/31/1991 | WO1991016472A1 Method of controlling metallization baths |
| 10/31/1991 | WO1991016087A1 Process and device for detecting gas bubbles in ducts filled with liquid, in particular flexible, tubular ducts or containers |
| 10/30/1991 | EP0453820A2 Sensor for detecting a substance in a liquid |
| 10/30/1991 | EP0453650A1 Ultrasonic drive/sense circuitry for automated fastener tightening |
| 10/29/1991 | US5060652 Ultrasonic diagnosis apparatus |
| 10/29/1991 | US5060651 Ultrasonic diagnostic apparatus |
| 10/29/1991 | US5060518 Method of ultrasonic inspection of welds of articles |
| 10/29/1991 | US5060517 Immersion type automatic ultrasonic testing aparatus for detecting flaws of balls |
| 10/29/1991 | US5060514 Ultrasonic gas measuring device |
| 10/29/1991 | US5060507 Method and apparatus for fluid mixture monitoring, constituent analysis, and composition control |
| 10/29/1991 | US5060506 Method and apparatus for monitoring the content of binary gas mixtures |
| 10/28/1991 | CA2032326A1 Ultrasonic drive/sense circuitry for automated fastener tightening |
| 10/24/1991 | DE4109469A1 Absorption and laser stability tester for optical layers - uses oscillating quartz sensor elements of crystalline quartz and metal layer electrodes |
| 10/23/1991 | EP0453211A1 Ultrasonic air-in-line detector for detecting air in a medication infusion system |
| 10/23/1991 | EP0453166A1 Ultrasonic inspection of pump shafts |
| 10/23/1991 | EP0453014A1 Scanner for ultrasonic scanning of surfaces |
| 10/23/1991 | EP0452516A1 Ultrasonic measuring head and method of use thereof |
| 10/23/1991 | CN1014464B Apparatus and method for ultrasound detection |
| 10/22/1991 | US5058434 Process for early detection of damage to machine parts |
| 10/22/1991 | US5058432 Method and apparatus for measuring parameters of solid phase of slurries |
| 10/17/1991 | WO1991015764A1 Arrangement for measuring mechanical properties of a foil material |
| 10/17/1991 | WO1991015759A1 Process and device for the ultrasonic testing of welds between plastics packaging and cover foils |
| 10/17/1991 | WO1991015747A1 Process for measuring hardness using the ultrasonic contact impedance method |
| 10/17/1991 | DE4028559A1 Detecting origin of slide bearing defects - by filtering, amplifying, frequency selection and differential quotient formation of sound emission signals |
| 10/16/1991 | EP0451984A2 Ultrasonic probe system |
| 10/16/1991 | EP0451533A1 Piezoelectric ceramic transducer disc and process for making the same |
| 10/16/1991 | EP0451517A1 Acoustic image acquisition |