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)
07/1989
07/04/1989CA1256978A1 Device for detecting the presence of a gas in a liquid contained in an enclosure
07/04/1989CA1256977A1 Bubble detector for use with the blood
06/1989
06/29/1989WO1989005974A1 A method for recording multi-phase flows through a transport system
06/27/1989US4841978 Ultrasonic scanning device with elastic pumper
06/21/1989EP0321146A2 Apparatus and method for sensing acoustic reflections
06/21/1989CN2039847U Ultrasonic faw detector for transporting shaft of rolling bearing
06/21/1989CN1033484A Automatic scanning device for ultrasonic inspection of articles
06/20/1989US4841492 Apodization of ultrasound transmission
06/20/1989US4840066 Ultrasonic thickness gauge having automatic transducer recognition and parameter optimization and method thereof
06/15/1989WO1989005451A1 Scanning device for ultrasonic inspection of articles
06/15/1989WO1989005122A1 Ultrasonic diagnosing apparatus
06/14/1989EP0320280A2 Acoustic monitoring of two-phase feed nozzles
06/14/1989EP0182807B1 Membrane type non-intrusive ice detector
06/14/1989CN2039424U Ultrasonic flaw detector for rail fishplate
06/13/1989US4838085 Methods and appartaus for non-destructing evaluation of the mechanical properties of composite materials
06/07/1989EP0319133A2 Ultrasonic hand-held refrigerant leak detector
06/07/1989CN1004446B Ultrasonic flaw detector with computer program-control attenuator
06/07/1989CN1004445B Process for testing quality of lithium niobate or lithium tantalate monocrystal
06/07/1989CN1004444B Acoustic method and its equipment for detecting the location of cumulative water in pipelines
06/06/1989US4836026 Ultrasonic imaging system
06/01/1989WO1989004960A1 Non-destructive evaluation of ropes by using transverse vibrational wave method
05/1989
05/31/1989EP0318387A1 Apparatus for the non-destructive control of pipes by ultrasonic means
05/31/1989EP0318293A2 Apparatus and method for processing tomographic data
05/31/1989EP0318283A2 Apparatus for investigating a sample with ultrasound
05/31/1989EP0317760A1 Rotating head for tracing the cylindrical surfaces of test pieces
05/31/1989EP0317629A1 Method of measuring depth of surface opening defects of a solid material by using ultrasonic waves
05/30/1989US4835689 Adaptive coherent energy beam formation using phase conjugation
05/24/1989EP0317322A2 Method for monitoring acoustic emissions
05/24/1989EP0317252A2 Method of measuring distribution of crystal grains in metal sheet and apparatus therefor
05/24/1989CN2038239U Portable ultrasonic flaw detector
05/23/1989US4833453 Monitoring of movable components
05/23/1989US4832532 Apparatus for determining liquid/gas interfaces
05/23/1989US4832503 Steam quality monitoring means and method
05/23/1989US4831880 Method and apparatus for determining vertical density profiles in wood composites, using acoustic emission
05/18/1989WO1989004524A1 Nondestructive measurement of composite materials
05/18/1989WO1989004497A1 Measurement of corrosion with curved ultrasonic transducer; rule-based processing of full echo waveforms; preprocessing and transmitting echo waveform information
05/18/1989WO1989004482A1 Acoustic method for measuring properties of a mobile medium
05/17/1989CN1032978A Supersonic wave method and apparatus for testing pulp granularity
05/16/1989US4831601 Apparatus for transmitting and receiving ultrasonic signals
05/16/1989US4831598 Picture display apparatus
05/16/1989US4829823 Apparatus for detecting defects, particularly in castings
05/16/1989CA1254281A1 Method and apparatus for the detection and measurement of gases
05/09/1989US4829491 Phased-array equipment
05/05/1989WO1989003989A1 Method of establishing standard composite material properties
05/03/1989EP0314514A2 Transducer
05/03/1989EP0314487A2 Delay coefficient calculator
05/03/1989EP0314017A2 Insert type supersonic crack hunting apparatus
05/03/1989EP0313903A2 Method for detecting the presence of insects and/or their larvae in solid material, in particular wood
05/03/1989EP0313828A2 Acoustic damper
05/02/1989US4827423 Computer integrated manufacturing system
05/02/1989US4826650 Ultrasonic examination of reactor pressure vessel top guide
05/02/1989US4825688 Apparatus for sensing of mass in baths
04/1989
04/26/1989CN1032513A Cutting and the like tools
04/25/1989US4825423 Method of measuring microcrack depth
04/25/1989US4825115 Ultrasonic transducer and method for fabricating thereof
04/25/1989US4824016 Acoustic monitoring of two phase feed nozzles
04/25/1989US4823609 In a specimen
04/25/1989CA1253247A1 Ultrasonic image camera using arrays of acoustic waveguides
04/19/1989EP0312262A2 A method and apparatus for detecting and measuring elastic antisotropy
04/19/1989EP0312144A2 High voltage pulse power driver
04/19/1989CN1032455A Method and apparatus for determining resonant frequency of turbing blade made of material not responsive to magnetic field
04/18/1989US4821838 Acoustic damper
04/18/1989US4821728 Three-dimensional imaging system
04/18/1989US4821706 High voltage pulse power drive
04/18/1989US4821575 Ultrasonic flaw detecting method and apparatus
04/18/1989US4821573 Ultrasonic method of inspecting contents of a package and apparatus thereof
04/18/1989US4821558 Ultrasonic detector
04/18/1989CA1252876A1 Ultrasonic transducer
04/13/1989DE3832906A1 Photo-acoustic spectrometer
04/12/1989EP0148908B1 Parts sorting apparatus and method
04/11/1989US4819649 Noninvasive vibration measurement system and method for measuring amplitude of vibration of tissue in an object being investigated
04/11/1989CA1252558A1 Ultrasonic transducer
04/11/1989CA1252555A1 Pressure vessel testing
04/06/1989WO1989003035A1 Investigating properties of fluids
04/06/1989WO1989003034A1 Ultrasonic flash gauge
04/05/1989EP0309890A1 Use of the electromagnetic ultrasound transformation process in monitoring the filling level and formation of bubbles in enclosures containing a fluid
04/04/1989US4818882 Photoacoustic gas analyzer
04/04/1989US4818470 Apparatus for the ultrasonic examination of shroud hold down bolts
04/04/1989US4817614 Method and apparatus for adaptive focusing in a medical ultrasound imaging apparatus
04/04/1989US4817431 Defect detection in cylindrical objects
04/04/1989US4817420 Method and device for examination of a joint of a ultrasonic joint inspection device and method
04/04/1989US4817413 Method of using an opto-acoustic apparatus for measuring concentration of gas
03/1989
03/29/1989EP0309155A2 Method for determining physical properties
03/29/1989EP0308678A1 Process and device for measuring the phase of signals at a test point by means of an unmodulated particle beam
03/29/1989EP0308677A1 Process and device for measuring the phase of signals at a test point by means of a modulated particle beam
03/28/1989US4817016 Non-destructive evaluation means and method of flaw reconstruction utilizing an ultrasonic multi-viewing transducer data acquistion system
03/28/1989CA1251852A1 Method and apparatus for ultrasonic measurements of a medium
03/22/1989EP0308155A2 Cutting and the like tools
03/21/1989US4815043 Ultrasonic imaging apparatus
03/15/1989EP0307258A2 Procedure and circuit to characterise tissue by means of broad band ultrasonic pulse reflection, transfer of the echofrequency spectrum into the range of andible frequencies and diagnostics by hearing
03/15/1989EP0218653B1 System for the internal inspection of pipelines
03/15/1989CN1003610B Transceiver for an ultrasonic imaging apparatus
03/14/1989US4811740 Ultrasonic diagnosis apparatus capable of probe exchange
03/14/1989US4811605 Apparatus and method for inspecting the degradation of a gas nozzle
03/08/1989EP0306288A2 Ultrasonic imaging apparatus
03/08/1989EP0306110A2 Method for manufacture of a coriolis flow meter
03/08/1989EP0305637A2 Process and apparatus for connecting one ultrasonic control head to a test object
03/08/1989EP0305519A1 Ultrasonic transducer
03/07/1989USH608 Detecting multiple phase flow in a conduit
03/07/1989US4809554 Ultrasonic insect detector