| Patents for G01B 17 - Measuring arrangements characterised by the use of infrasonic, sonic, or ultrasonic vibrations (3,873) |
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| 09/09/1987 | EP0236175A1 Measurement of the thickness of coatings using ultrasonic interference |
| 09/08/1987 | US4692908 Method and apparatus for investigating stand-off in a borehole |
| 09/02/1987 | CN86101203A Untouched cold-rolled strip steel platelike tester |
| 09/01/1987 | US4689996 Method and device for testing electrically conducting objects by means of ultra-sonics |
| 08/26/1987 | EP0233545A2 Method and apparatus for recognizing faults in an object |
| 08/13/1987 | WO1987004783A1 Ultrasonic thickness meter |
| 07/16/1987 | DE3700658A1 Device for sensing rod-shaped objects |
| 07/07/1987 | US4679160 Ultrasonic depth measurement apparatus and methods |
| 07/07/1987 | US4678993 Distance measuring device operating with torsional ultrasonic waves detected without mode conversion |
| 07/07/1987 | US4677852 Method of and apparatus for inspecting and/or positioning objects with wave energy using wave guides |
| 06/03/1987 | EP0224101A1 Method and device for checking the dimensions of a nuclear reactor fuel element |
| 06/02/1987 | US4669311 Method of determining an acoustic refractive index distribution in an examination zone, and device for performing the method |
| 06/02/1987 | US4669310 High frequency ultrasonic technique for measuring oxide scale on the inner surface of boiler tubes |
| 05/19/1987 | US4665751 Method for measuring the wall thicknesses of bodies by means of ultrasonic pulses and devices for applying the method |
| 05/13/1987 | EP0221785A2 Ultra-sonic distance sensor and monitoring of surface profile utilizing ultra-sonic distance sensor |
| 05/12/1987 | US4665511 System for acoustic caliper measurements |
| 05/05/1987 | CA1221448A1 Pipeline pig tracking |
| 04/28/1987 | US4661933 Method and apparatus for acoustically measuring the transverse dimensions of a borehole |
| 04/22/1987 | EP0219149A1 System for determining the pressure in the nip between two rollers |
| 04/21/1987 | US4658648 Method of and apparatus for the ultrasonic measurement of the thickness of test articles |
| 04/09/1987 | WO1987002136A1 Method of an apparatus for inspection and/or positioning objects with wave energy using wave guides |
| 04/07/1987 | US4656384 Ultrasonic detection sensor in hybrid structure with appertaining electronic circuit |
| 04/07/1987 | US4655085 Trackless scanner |
| 03/31/1987 | US4654590 Method and apparatus for detecting the position of a movable object utilizing the magnetostrictive effect to generate ultrasonic waves |
| 03/19/1987 | DE3531975A1 Method and arrangement for determining the wall thickness of cylindrical hollow bodies |
| 03/17/1987 | US4649749 Ultrasonic tranducer |
| 03/03/1987 | CA1218742A1 Method of and device for determining the time-of- flight of an ultrasonic pulse |
| 02/24/1987 | US4645634 Probe wand utilizing proximity sensors to establish tolerances of the coolant flow area |
| 02/10/1987 | US4641526 Method and apparatus for estimating sound source position |
| 02/03/1987 | US4640130 Method and apparatus for acoustically measuring the volume of an object |
| 01/29/1987 | DE3525946A1 Method and device for non-destructive and contactless measurement of the coating thickness of extruded elongated objects made from plastic |
| 01/21/1987 | CN85105453A Ultrasonic non-destructive pipe testing system |
| 01/06/1987 | US4635198 Apparatus for measuring cross-sections on objects, more especially on parts of the body |
| 12/30/1986 | EP0206296A1 Appliance for the process-integrated testing of moving cylindrical stock |
| 12/17/1986 | CN86103324A 位置检出装置 Position detecting means |
| 12/16/1986 | US4628736 Method and apparatus for measurement of ice thickness employing ultra-sonic pulse echo technique |
| 12/10/1986 | EP0204184A1 Position detecting apparatus |
| 12/09/1986 | US4627291 Position sensing apparatus for an object to be measured |
| 12/02/1986 | US4625556 Method of layer thickness measurement |
| 11/26/1986 | EP0202497A1 Temperature-compensated ultrasonic wall thickness measurement |
| 11/25/1986 | US4624127 Method and apparatus for measurement of thickness utilizing ultrasonic pulses |
| 11/20/1986 | EP0201576A1 Method for detecting the position of the band edge of a material sheet. |
| 10/29/1986 | EP0199375A2 Method for the determination of the distribution of the refraction index of sound, and equipment therefor |
| 10/28/1986 | CA1213353A1 Method and apparatus for soil mechanics measurements of filter cakes |
| 10/14/1986 | CA1212771A1 Method of detecting deflections of parts of a rotating mass |
| 10/01/1986 | EP0196144A1 A 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 |
| 09/23/1986 | US4612807 Apparatus for determining the weight per unit area of sheet-like material |
| 09/09/1986 | CA1210933A1 Method of monitoring the wear of a refractory lining of a metallurgical furnace wall |
| 08/20/1986 | EP0191346A2 Apparatus for determining surface fissures |
| 08/19/1986 | CA1210127A1 Method and apparatus for pipe length measurement |
| 08/05/1986 | CA1209241A1 Automatic identification of cuff size in automated blood pressure monitors |
| 07/02/1986 | EP0186610A2 Ultrasonic depth measurement apparatus and methods |
| 06/10/1986 | CA1205863A1 Texaco wall thickness monitor |
| 06/04/1986 | EP0182960A2 Device for the determination of the cross section of long straggling formed bodies at least by approximation |
| 05/28/1986 | EP0182466A1 Sensor |
| 05/28/1986 | EP0182140A1 Hybrid ultrasonic sensor with electronic circuitry |
| 05/27/1986 | US4591293 Method and device for placing in a determined relative position two elements submerged in a conducting liquid medium |
| 05/27/1986 | US4590799 Pipeline pig tracking |
| 05/22/1986 | WO1986002913A1 Method for detecting the position of the band edge of a material sheet |
| 05/21/1986 | EP0181464A2 Monitoring device for bars of a fence or a coarse barred window |
| 05/20/1986 | CA1204851A1 Automatic ultrasonic flaw detector for tubes |
| 04/30/1986 | EP0179327A1 Sensor system for the ultrasonic investigation of the position and/or contour of an object |
| 04/22/1986 | US4584676 Method of and apparatus for pipe length measurement |
| 04/16/1986 | EP0054062B1 Automatic backfat meter |
| 04/09/1986 | EP0176931A1 Method for the measurement of the wall thickness of bodies by ultrasonic pulses, and device for carrying out the process |
| 04/09/1986 | EP0176620A2 Method and apparatus for detecting movable object |
| 04/08/1986 | US4581726 Ultrasonic distance measuring apparatus |
| 03/25/1986 | US4578783 Ultrasonic distance measuring apparatus |
| 03/18/1986 | US4576286 Parts sorting systems |
| 03/11/1986 | CA1201797A1 Circuit for controlling the magnitude of amplification of signals produced by a borehole televiewer |
| 02/18/1986 | US4570486 Ultrasonic thickness gauge circuit with transit path correction |
| 02/11/1986 | US4569230 For transporting inspection means |
| 02/04/1986 | US4567749 Process and apparatus for determining the interfacial area in a two-phase mixture incorporating a gaseous phase flowing in the form of bubbles |
| 01/08/1986 | EP0167010A2 Apparatus for measuring the surface weight of sheet material |
| 12/17/1985 | US4559621 Telemetering acoustic method for determining the relative position of a submerged object with respect to a vehicle and device therefor |
| 12/10/1985 | US4557386 System to measure geometric and electromagnetic characteristics of objects |
| 12/03/1985 | US4555942 Method for continually controlling the quality of cathode copper |
| 11/26/1985 | US4554834 Acoustic sensor and method of using same for determining the position of a tool relative to a workpiece |
| 10/16/1985 | EP0158289A2 Apparatus for the ultrasonic testing of electrically conducting objects |
| 10/16/1985 | EP0157845A1 Apparatus and method for locating an object. |
| 10/08/1985 | US4545249 Acoustical position gage |
| 10/08/1985 | US4545248 Ultrasonic thickness gauge |
| 09/24/1985 | CA1194208A1 Method and apparatus for obtaining information about the size of a discharge slot in a headbox |
| 09/17/1985 | US4541279 Method of determining the time-of-flight of an ultrasonic pulse |
| 09/17/1985 | US4541278 Pipeline corrosion sensing device and method |
| 09/10/1985 | US4539847 Acoustic method and apparatus for measuring thickness of a coating layer on a substrate |
| 09/03/1985 | US4539073 Method and apparatus for measuring the size of a discharge slot in a headbox |
| 08/27/1985 | US4537287 Apparatus for detecting abnormality in the cage of an elevator |
| 08/20/1985 | CA1192296A1 Technique for investigating stand-off in a borehole |
| 07/31/1985 | EP0149745A1 Ultrasonic position measuring device |
| 07/30/1985 | CA1191243A1 Determination of the relative positions of a submerged object and a vehicle |
| 07/24/1985 | EP0148952A1 Apparatus for detecting position of object being measured |
| 07/24/1985 | EP0148907A1 A system to recognize a geometry parameter of unknown objects with continuous wave acoustic energy |
| 07/23/1985 | US4530241 Method of monitoring the identity and integrity of an object particularly a closed container |
| 07/23/1985 | CA1190848A1 Method and apparatus for acoustically measuring the transverse dimensions of a borehole |
| 07/09/1985 | US4528651 Method and apparatus for measurement of length and height of objects |
| 07/03/1985 | EP0147037A2 Apparatus for measuring the pitch between adjacent rods in a nuclear fuel assembly |
| 07/03/1985 | EP0146829A2 Ultrasonic measuring device |
| 06/04/1985 | US4520672 Thickness measuring |
| 05/14/1985 | US4516429 Method for testing the total length of extended round material such as pipes and bars, and device to carry out the method |