| Patents for G01B 17 - Measuring arrangements characterised by the use of infrasonic, sonic, or ultrasonic vibrations (3,873) |
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| 06/03/1992 | EP0487871A1 Ultrasonic micro spectrometer |
| 05/26/1992 | US5117192 Control circuitry for quartz crystal deposition monitor |
| 05/14/1992 | WO1992008995A1 A method of measuring the forming process of a fibre web within the web forming section of a paper machine |
| 05/14/1992 | CA2095029A1 Measuring the forming process of a fibre web forming section of a paper machine |
| 05/12/1992 | US5112642 Monitoring fundamental resonance frequency and nearby harmonic |
| 04/28/1992 | CA1299729C Ultrasonic method for controlling the thickeness of metal tube coatings; the corresponding apparatus and application to zirconium-plated alloy tube |
| 04/23/1992 | WO1992007346A1 Ultrasonic position locating method and apparatus therefor |
| 04/23/1992 | WO1992007258A1 Hand-held ultrasonic probe |
| 04/23/1992 | CA2094615A1 Ultrasonic position locating method and apparatus therefor |
| 04/16/1992 | WO1992006352A1 Low power magnetostrictive sensor |
| 04/16/1992 | CA2092544A1 Low power magnetostrictive sensor |
| 04/14/1992 | US5105392 Measuring method and apparatus |
| 04/14/1992 | US5104144 Shock absorber with sonar position sensor |
| 04/02/1992 | WO1992005042A1 Shock absorber with sonar position sensor |
| 03/31/1992 | US5099691 Method for measuring length, and apparatus for implementing the method |
| 03/31/1992 | US5099614 Flat lapping machine with sizing mechanism |
| 03/31/1992 | CA1298393C Remote sensing of bitumen froth in lagoons containing tar sands tailings |
| 03/25/1992 | CA2042657A1 Ultrasonic sound measuring device |
| 03/24/1992 | US5097881 Testing logs |
| 03/18/1992 | EP0475773A1 Less position dependent volumetric flow measuring apparatus, catheter for use therein, and method |
| 03/17/1992 | US5095754 Apparatus and method for detection of icing onset and ice thickness |
| 03/13/1992 | CA2051152A1 Less position dependent volumetric flow measuring apparatus, catheter for use therein, and method |
| 03/11/1992 | EP0474542A2 Apparatus and method for recognizing carpets and stairs of cleaning robot |
| 02/26/1992 | CN1059029A Method and device for checking thickness and cohesion of interface of duplex tube |
| 02/19/1992 | EP0471223A1 Apparatus and method for acquiring and processing dimension and flaw data on ultrasonically-inspected tubes |
| 02/19/1992 | EP0470962A1 Flexible tube sonic waveguide for determining liquid level |
| 02/18/1992 | US5088328 Rapid changeover multi-diameter ultrasonic tube inspection system |
| 02/18/1992 | CA1296094C Filling level meter |
| 02/14/1992 | CA2048930A1 Apparatus and method for acquiring and processing dimension and flaw data on ultrasonically-inspected tubes |
| 02/13/1992 | DE4126618A1 Ultrasonic thickness measuring and imaging system - useful for assessing corrosion damage of steam generator tubes |
| 02/12/1992 | CN2096075U Anti-strong noise water layer depth remote measurer |
| 02/05/1992 | EP0469764A2 Apparatus for grinding nuclear fuel pellets |
| 01/22/1992 | EP0467211A2 Rapid changeover multi-diameter ultrasonic tube inspection system |
| 01/09/1992 | DE4019865A1 Wall thickness or non-uniformity measurer for rotating tubes - contains ultrasonic probes movable in radial holder channels with supply to space between probes and tube |
| 01/07/1992 | US5079751 Acoustic ranging systems |
| 01/07/1992 | US5078148 Apparatus and method for continuously measuring volumetric blood flow using multiple transducers and catheter for use therewith |
| 12/18/1991 | EP0148952B1 Apparatus for detecting position of object being measured |
| 12/18/1991 | CN1057110A Method of and apparatus for ultrasonic identification of materials and equipment |
| 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 |
| 12/05/1991 | CA2043744A1 Method of and an apparatus for the ultrasonic identification of materials and equipment |
| 12/04/1991 | EP0459431A2 Ultrasonic measuring probe for hot environments |
| 12/03/1991 | US5070485 Low power magnetostrictive sensor |
| 11/28/1991 | WO1991018301A1 Measurement of flatness of strip material |
| 11/28/1991 | WO1991018260A1 Ultrasonic measurement device for testing the roundness of a body |
| 11/26/1991 | US5068835 Acoustic holographic array measurement device and related material |
| 11/21/1991 | EP0457650A2 Ultrasonic measurement apparatus and method for boreholes |
| 11/21/1991 | EP0457316A1 Device for the measurement of the position of a conductor of a cable within the cable covering |
| 11/19/1991 | US5066452 Ultrasonic profilometry system for control rod wear |
| 11/19/1991 | CA1292306C Apparatus for inspecting a pipeline |
| 11/12/1991 | US5063780 Ultrasonic dimensional and flaw inspection of thin-walled tubular elements |
| 11/05/1991 | US5062298 Non-contact wet or dry film thickness measuring device using eddy current and ultrasonic sensors |
| 11/05/1991 | US5062297 Method of measuring a profile of an object and an apparatus for carrying out the method |
| 10/29/1991 | US5060654 Identification method for the cuff type of a sphygmomanometer |
| 10/15/1991 | US5056367 Ultrasonic linear measurement system |
| 10/08/1991 | US5054321 Method and apparatus for measuring surface contour on parts with elevated temperatures |
| 10/01/1991 | US5052227 Device and probe for measuring the variation of distance between the two faces of a layer of material by means of ultrasounds |
| 10/01/1991 | CA1290050C Arrangement for identifying the position of a movable body with ultrasound |
| 09/18/1991 | EP0447076A2 Improvements in acoustic ranging systems |
| 09/17/1991 | US5048341 Container wall measuring apparatus and method |
| 09/12/1991 | DE4007363A1 Measuring thickness of layer of carrier material - using two contactlessly working sensors to measure distances of layer and carrier surfaces from each other |
| 09/11/1991 | CN1054482A Signal processing method for magnetic-ultrasonic wall thickness measuring apparatus |
| 09/10/1991 | US5046364 Hand-held ultrasonic probe |
| 09/04/1991 | EP0444800A2 Signal processing method for magnetic-ultrasonic wall thickness measuring apparatus |
| 08/29/1991 | DE3939328A1 Verfahren und vorrichtung zur abstandsmessung in gasen und fluessigkeiten mittels ultraschall Method and device for distance measurement in gases and liquids using ultrasound |
| 08/28/1991 | CN1013706B Method and apparatus for measuring wall erosion |
| 08/20/1991 | US5042015 Measuring method and apparatus |
| 08/16/1991 | CA2010263A1 Method and apparatus for inspecting quality of manufactured articles |
| 08/14/1991 | EP0441687A1 Method and apparatus for accurately measuring the distance to a surface |
| 08/14/1991 | CN2082849U Piezoelectric ceramic ultrasonic transducer |
| 08/13/1991 | US5038615 Ultrasonic multilayer paint thickness measurement |
| 08/08/1991 | WO1991011146A1 Ultrasonic method and apparatus for determination of vessel location and size |
| 08/06/1991 | CA2035119A1 Method and apparatus for accurately measuring the distance to a surface |
| 07/24/1991 | CN1013303B Position detector |
| 07/09/1991 | US5031154 Three-dimensional object imaging method and system |
| 07/09/1991 | US5029476 Ultrasonic system for determining the profile of solid bodies |
| 07/03/1991 | CA2022926A1 Container wall measuring apparatus and method |
| 07/02/1991 | US5029194 Method and apparatus for accurately measuring the distance to a surface |
| 06/25/1991 | US5025664 Multiple crystal head for deposition thickness monitor |
| 06/18/1991 | CA1285062C Passive acoustic power spectra to monitor and control processing |
| 06/11/1991 | US5023846 Ultrasonic detector for detecting a thin film |
| 06/05/1991 | EP0429854A1 Apparatus for measuring the thickness of clad material |
| 05/30/1991 | WO1991007638A1 Device for measuring linear movements of an object |
| 05/29/1991 | WO1991008440A1 Process and device for the measurement of distances in gases and liquids using ultrasonics |
| 05/29/1991 | CA2069506A1 Process and device for the measurement of distances in gases and liquids using ultrasonics |
| 05/22/1991 | EP0428443A1 Device and probe to measure the variation of distance between the two faces of a material layer by means of ultrasounds |
| 05/21/1991 | US5016474 Measuring the thickness |
| 05/15/1991 | CA2003070A1 Method for measuring wall thickness of slip castings |
| 05/14/1991 | US5014547 Apparatus for determining the surface roughness of a material |
| 05/14/1991 | CA1284238C2 Method of treating an ultrasonic transducer element |
| 05/08/1991 | CN2076676U Vertical incidence measurable angle ultrasonic transverse wave transducer |
| 04/23/1991 | US5009103 Ultrasonic thickness measuring method and apparatus |
| 04/18/1991 | WO1991005220A1 Acoustic holographic array measurement device and related method |
| 04/17/1991 | CN2075334U Infrasonic detector |
| 04/11/1991 | DE4002884A1 Gauging system for tubing extruder - consists of four sets of wall thickness testing heads with rollers running over surface of gauging device and fixed to cooled mounting |
| 04/11/1991 | DE3932691A1 Drift compensation in ultrasonic signals - having received signal used in learning process with periodic checks for changes due to drift |
| 03/20/1991 | EP0417763A2 Procedure to assess the existence of a fixation between to end-points of pipes |
| 03/20/1991 | CN1050085A Ultrasonic system for determining profile of solid bodies |
| 03/13/1991 | EP0416245A2 Ultrasonic system for determining the profile of solid bodies |
| 03/12/1991 | WO1991004457A1 Compact head, signal enhancing magnetostrictive transducer |