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