| Patents for G01B 17 - Measuring arrangements characterised by the use of infrasonic, sonic, or ultrasonic vibrations (3,873) |
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| 03/06/1991 | EP0415771A2 Measurement of spatial dimensions and weight of an object |
| 02/26/1991 | US4995320 Carriage for inspecting a piping |
| 02/26/1991 | US4995267 Method of monitoring the state of elongated object and apparatus for performing this method |
| 02/12/1991 | US4991440 Method of ultrasonically measuring thickness and characteristics of zirconium liner coextruded with zirconium tube |
| 02/12/1991 | US4991427 Bore mapping and surface time measurement system |
| 02/06/1991 | CN1011544B Bore mapping and surface time measurement system |
| 01/30/1991 | EP0410580A2 Scanning outer profiles of control rods |
| 01/23/1991 | EP0409054A1 Method of electrical distance signal processing |
| 01/21/1991 | CA2021509A1 Method of processing an electrical signal |
| 12/19/1990 | EP0402779A2 Method and device for determining surface structures |
| 12/18/1990 | US4979151 Method and apparatus for investigating stand-off in a borehole |
| 12/12/1990 | CN1010803B Non-contact measuirng device and method thereof for human height |
| 12/11/1990 | US4976149 Ultrasonic distance sensor and monitoring of surface profile utilizing ultrasonic distance sensor |
| 12/04/1990 | CA1277445C Nuclear radiation apparatus and method for dynamically measuring density of test materials during compaction |
| 11/28/1990 | CN1047325A High-temp. coupling agent of condensed phosphate and preparing process thereof |
| 11/27/1990 | US4973386 Passive acoustic power spectra to monitor and control processing |
| 11/20/1990 | US4972386 Filling level meter |
| 11/15/1990 | WO1990013789A1 Flexible tube sonic waveguide for determining liquid level |
| 11/15/1990 | DE3915513A1 Measuring the thickness of fat and meat in sides of meat - uses ultrasound probes with computer analysis of reflection sound to provide non-invasive evaluation of depth of fat and lean meat |
| 11/07/1990 | EP0396361A2 Ultrasonic linear meter sensor for positive displacement meter |
| 11/03/1990 | CA2015486A1 Ultrasonic linear meter sensor for positive displacement meter |
| 10/31/1990 | EP0394372A1 Measuring compass. |
| 10/24/1990 | EP0393960A1 Ice detecting apparatus and methods |
| 10/23/1990 | US4964302 Tactile sensor |
| 10/23/1990 | US4964295 Bore mapping and surface time measurement system |
| 10/20/1990 | CA2014961A1 Ice detecting apparatus and methods |
| 10/16/1990 | US4964059 Apparatus for inspecting a pipeline |
| 10/10/1990 | CN1009971B Position detecting device |
| 09/18/1990 | US4958332 Damping device for sonic waveguides |
| 09/11/1990 | US4955225 Automatic calibration method for thickness gauges |
| 08/28/1990 | US4952873 Compact head, signal enhancing magnetostrictive transducer |
| 08/21/1990 | US4950898 Method of position monitoring and apparatus therefor |
| 08/21/1990 | US4949584 Apparatus for measuring depth of a fluid chamber |
| 08/14/1990 | US4947852 Apparatus and method for continuously measuring volumetric blood flow using multiple transducer and catheter for use therewith |
| 08/08/1990 | CN2060220U Ultrasonics surveying instrument |
| 08/08/1990 | CN1044529A Method for measuring length, and apparatus for implementing method |
| 08/07/1990 | US4945775 Inertial based pipeline monitoring system |
| 08/07/1990 | US4945766 Method and apparatus for ultrasonic inspection |
| 08/01/1990 | EP0379855A1 Process for the measurement of lengths, and device for carrying out the process |
| 07/31/1990 | US4944186 Ultrasonic measuring system |
| 07/17/1990 | US4942620 High temperature sensor for induced vibration dynamic touch sensor system |
| 07/16/1990 | CA2007355A1 Method for measuring length, and apparatus for implementing the method |
| 07/04/1990 | EP0376580A2 Method for acoustically measuring wall thickness of tubular goods |
| 07/03/1990 | US4939457 Flexible tube sonic waveguide for determining liquid level |
| 07/03/1990 | US4938054 Ultrasonic linear meter sensor for positive displacement meter |
| 06/29/1990 | CA2005553A1 Method for acoustically measuring wall thickness of tubular goods |
| 06/26/1990 | CA1270939A1 System and method for measuring ice thickness |
| 06/19/1990 | US4935884 Sonic pipe length detector |
| 06/13/1990 | EP0372690A1 An apparatus for determining the surface roughness of a material |
| 06/12/1990 | CA1270303A1 Probe for composite analyzer tester |
| 06/05/1990 | US4930350 Acoustical length measurement |
| 05/23/1990 | DE3839194A1 Incremental position measuring device for measuring the relative position of two objects by means of ultrasonic waves |
| 05/08/1990 | CA1268624A1 Device for measuring the wall thickness of an extruded tubular section during extrusion, extrusion apparatus with such a device and extruded tubular section obtained by using said device |
| 04/24/1990 | US4918989 Ultrasonic method of measuring the thickness of the plating on a metal tube, the corresponding apparatus and its application to Zr plated alloy tubes |
| 04/11/1990 | EP0363156A2 Apparatus for measuring volumetric flow of a liquid |
| 03/27/1990 | US4912683 Method for acoustically measuring wall thickness of tubular goods |
| 03/27/1990 | US4912663 Sonic digitizer coil measurement system |
| 03/27/1990 | CA1267213A1 High frequency ultrasonic techniques for measuring oxide scale on the inner surface of boiler tubes |
| 03/20/1990 | US4909091 Method and apparatus for the detection of corrosion or the like |
| 03/14/1990 | EP0357905A2 Method of measuring a profile of an object and an apparatus for carrying out the method |
| 03/13/1990 | US4907454 Ultrasonic transducer |
| 02/21/1990 | CN2053327U Portable ultrasonic depth-sounder |
| 02/20/1990 | US4901577 Apparatus for detecting splices in the web of a printing press |
| 02/13/1990 | US4901292 Method for the position detection of the strip edge of a material web |
| 01/09/1990 | US4892701 Device for measuring nuclear reactor fuel assembly grids |
| 01/03/1990 | EP0349165A2 Acoustic detection and measurement of the change in wall thickness of a reactor |
| 01/03/1990 | CN1038515A Multipurpose measurer of accumulated time error and its measuring method |
| 01/02/1990 | US4891796 Icing preventive device for ultrasonic wave transmitting and receiving unit for vehicle |
| 12/28/1989 | DE3820883A1 Apparatus and device for determining the piston stroke in hydraulic cylinders, with the aid of ultrasound |
| 12/20/1989 | EP0346638A2 Multi-point wall thickness gage and method thereof |
| 12/19/1989 | US4888086 Ultrasonic method |
| 12/12/1989 | US4887246 Ultrasonic apparatus, system and method |
| 12/12/1989 | US4887087 Method of displaying detected information about a rotating mass |
| 11/23/1989 | EP0343033A1 Assembly for measuring and controling fresh concrete product |
| 11/21/1989 | US4882539 Monitoring system for electrodynamic wall-thickness and defect testing using a delay line |
| 11/21/1989 | US4881409 Multi-point wall thickness gage |
| 11/14/1989 | CA1262959A1 Method of determining an acoustic refractive index distribution in an examination zone, and device for performing the method |
| 10/31/1989 | US4877488 Detection and measurement of wall coke in fluidized bed coker |
| 10/25/1989 | EP0338079A1 Method and device for controlling the condition of a lengthy construction element |
| 10/25/1989 | CN1036634A Method and apparatus for measuring wall erosion |
| 10/24/1989 | US4876727 Method and apparatus for detecting faults in an object |
| 10/19/1989 | WO1989009923A1 System for measuring the dimensions of a workpiece |
| 10/18/1989 | EP0337293A1 Level measurement device |
| 10/10/1989 | US4872345 Measuring wall erosion |
| 10/04/1989 | EP0335808A1 Ultrasonic control method of the plating thickness of a metallic pipe, device therefor and application to plated Zr alloy tubes |
| 10/04/1989 | EP0335470A2 Method and apparatus for measuring wall erosion |
| 10/04/1989 | CN1036108A Method and apparatus for sonic digitizer coil measurement system |
| 09/27/1989 | EP0148245B1 Method and system to measure geometric and electromagnetic characteristics of objects |
| 09/26/1989 | US4870623 System to recognize a geometry parameter of unknown object with continuous wave acoustic energy |
| 09/26/1989 | CA1260540A1 Apparatus for measuring the length of an electrical line |
| 09/21/1989 | DE3808099A1 Method for non-touching (contact-free) measurement of the inclination of a surface by means of ultrasound |
| 09/14/1989 | DE3807035A1 Messzirkel Calipers |
| 09/13/1989 | CN1035557A Method of monitoring state of elongated object and apparatus for performing this method |
| 09/08/1989 | WO1989008235A1 Measuring compass |
| 09/06/1989 | EP0331445A2 Method and apparatus for sonic digitizer coil measurement system |
| 09/06/1989 | EP0330735A2 Measurement of intergranular attack in stainless steel using ultrasonic energy |
| 09/05/1989 | US4862747 Measurement of the thickness of layers of material by ultrasonic interferometry |
| 08/15/1989 | CA1258517A1 Noise rejection in a sonic transducer |
| 08/10/1989 | DE3903396A1 Method and device for ultrasonic thickness measurement, and a test device for the latter |
| 08/08/1989 | US4854173 Measurement of intergranular attack in stainless steel using ultrasonic energy |