| 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) |
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| 12/07/1999 | US5996415 Apparatus and method for characterizing semiconductor wafers during processing |
| 12/07/1999 | US5996413 Method for testing a prestressed concrete conduit |
| 12/02/1999 | WO1999061903A2 System for rapidly calculating expansion images from high-frequency ultrasonic echo signals |
| 12/02/1999 | WO1999061867A1 An apparatus and method for measuring a property of a structure comprising at least one layer |
| 12/02/1999 | WO1999061866A1 Apparatus and method for measuring a property of a structure |
| 12/02/1999 | DE19824108A1 Ein System zur schnellen Berechnung von Dehnungsbildern aus hochfrequenten Ultraschall-Echosignalen A system for rapid calculation of strain images of high-frequency ultrasound echo signals |
| 12/01/1999 | EP0961116A2 Portable ultrasonic detector |
| 12/01/1999 | EP0959939A1 Method for conducting an ultrasound procedure using an ultrasound transmissive pad |
| 12/01/1999 | EP0959807A1 Device and method for the ultrasonic detection of smooth surface lesions on tooth crown surfaces |
| 11/30/1999 | US5995453 Composite ultrasonic transducer |
| 11/30/1999 | US5994900 Test phantom for information systems and method of its use |
| 11/30/1999 | US5993982 Method and apparatus for evaluating durability of magnetic disk |
| 11/30/1999 | US5992236 Ultrasonic inspection method |
| 11/30/1999 | US5992235 Ultrasonic test head and method for its operation |
| 11/30/1999 | US5992234 Detection of defects using resonant ultrasound spectroscopy at predicted high order modes |
| 11/30/1999 | US5992223 Acoustic method for determining the static gel strength of a cement slurry |
| 11/30/1999 | US5992215 Surface acoustic wave mercury vapor sensors |
| 11/25/1999 | WO1999060540A1 Leak detection device for fluid vessel apparatus |
| 11/25/1999 | WO1999060349A1 Transducer surface clearing method and apparatus |
| 11/25/1999 | DE19817464C1 Measurement apparatus with horizontal specimen device for ultrasonic liquid penetration measurement overcomes inability of conventional arrangements to reproduce process conditions |
| 11/25/1999 | CA2238566A1 Method and apparatus for monitoring of tensioned cables |
| 11/24/1999 | EP0959368A1 Bandwidth sampling technique for digital focusing in array imaging systems |
| 11/24/1999 | EP0959350A1 Process for ultrasonic testing of imersed cylindrical pieces |
| 11/24/1999 | EP0957768A1 Ultrasonic densitometer with width compensation |
| 11/24/1999 | EP0942683A4 Photoacoustic breast scanner |
| 11/24/1999 | EP0794732A4 Acoustic imaging and doppler catheters and guidewires |
| 11/24/1999 | CN2350761Y Multifunction distant sound environment monitoring controller |
| 11/23/1999 | US5987993 Test apparatus and method for nondestructive material testing |
| 11/23/1999 | US5987991 Determination of Rayleigh wave critical angle |
| 11/23/1999 | US5987990 System of autonomous sensors for pipeline inspection |
| 11/23/1999 | US5987966 Device for measuring the quantity of coal in a ball grinder |
| 11/23/1999 | CA2176206C Harmonic ultrasound imaging with microbubbles |
| 11/18/1999 | WO1999058967A1 Method and device for displaying signal generated by measurement probe |
| 11/18/1999 | WO1999058957A1 Thermoacoustic tissue scanner |
| 11/18/1999 | WO1999058060A1 Optoacoustic imaging system |
| 11/18/1999 | WO1999058059A1 Optical-acoustic imaging device |
| 11/18/1999 | DE19920251A1 Measuring electric charge of electrochemical cell such as accumulator or battery |
| 11/18/1999 | DE19827649C1 Testing with instrument inserted into dipstick hole, which assesses whether oil really requires changing |
| 11/18/1999 | CA2331608A1 Thermoacoustic tissue scanner |
| 11/17/1999 | EP0955889A1 A device for reflectometric examination and measurement of cavities |
| 11/17/1999 | EP0817591A4 Method and apparatus for determining bone density |
| 11/16/1999 | US5986457 Methods of measuring currency limpness |
| 11/16/1999 | US5983723 Ultrasonic measurement equipment with at least one non-piezoelectric resonator chamber body and outer electroacoustic transducers |
| 11/11/1999 | WO1999049309A3 Improvements in and relating to inspection |
| 11/11/1999 | WO1999047905A3 Handheld sensing apparatus |
| 11/10/1999 | EP0954750A2 Components made of ductile metallic material and method for determining deformations and/or strains by means of sound emission analysis |
| 11/09/1999 | US5982482 Determining the presence of defects in thin film structures |
| 11/09/1999 | US5979241 Delay line for an ultrasonic probe and method of using same |
| 11/09/1999 | US5979240 Method and apparatus for detecting recyclable items concealed within solid waste |
| 11/04/1999 | WO1999056094A1 Method and device for determining the filling level in containers |
| 11/03/1999 | EP0953726A1 Apparatus and method for wellbore testing of formation fluids using acoustic signals |
| 11/03/1999 | EP0772417A4 Two-dimensional transducer integrated circuit |
| 11/03/1999 | CN1233752A Method and apparatus for determining viscosity of fluid in container |
| 11/03/1999 | CN1046170C Device for forming acoustic beam |
| 11/02/1999 | US5977687 Piezoelectric end point sensor for detection of breakthrough of fluid, and fluid processing apparatus comprising same |
| 11/02/1999 | US5977555 Method and apparatus for detecting cracks in a flip-chip die using passive scanning-head microscopy |
| 11/02/1999 | US5977538 Optoacoustic imaging system |
| 11/02/1999 | US5976466 Multiple-probe diagnostic sensor |
| 11/02/1999 | US5974919 Screwing device for ultrasound-controlled tightening of screw connections |
| 11/02/1999 | US5974891 Ultrasonic wave diagnostic apparatus with beam convergence and clock signal selection |
| 11/02/1999 | US5974890 Composite probe apparatus |
| 11/02/1999 | US5974889 Ultrasonic multi-transducer rotatable scanning apparatus and method of use thereof |
| 11/02/1999 | US5974888 Ultrasonic angle-beam probe and method for operating the angle-beam probe |
| 11/02/1999 | US5974886 Method and apparatus for thickness determination in multilayer articles |
| 11/02/1999 | US5974885 Method and apparatus for measuring silver sheath thickness during drawing of high temperature superconducting wire |
| 11/02/1999 | US5974884 Ultrasonic diagnostic apparatus and ultrasonic probe with acoustic matching layer having continuously varied acoustic impedance in the thickness direction |
| 11/02/1999 | US5974881 Method and apparatus for acoustic detection of mines and other buried man-made objects |
| 11/02/1999 | CA2107750C Apparatus for determining fluid flow |
| 10/28/1999 | WO1999054723A1 Apparatus and method for measuring the acoustic properties of acoustic absorbers |
| 10/28/1999 | WO1999054722A1 Apparatus for the concurrent ultrasonic inspection of partially completed welds |
| 10/28/1999 | WO1999054709A1 Apparatus and methods for performing acoustical measurements |
| 10/28/1999 | WO1999054703A2 Acoustic diagnostic system and method |
| 10/28/1999 | DE19818768A1 Detecting liquid level in container especially closed can or tin |
| 10/27/1999 | EP0952446A2 Monitoring |
| 10/27/1999 | EP0951366A1 Method for making a sonoprobe |
| 10/27/1999 | EP0878042B1 Metal-encased switchgear with partial discharge detection |
| 10/27/1999 | EP0878041B1 Encased arrangement |
| 10/27/1999 | EP0878040B1 Metal-encased switchgear |
| 10/27/1999 | CN1046058C 超声转换器阵列及其制造方法 Ultrasonic transducer array and manufacturing method thereof |
| 10/26/1999 | US5971619 Single row bearing ring with monitoring device |
| 10/21/1999 | WO1999053309A1 Ultrasonic imaging aberration correction system and method |
| 10/21/1999 | WO1999053289A2 Surface acoustic wave harmonic analysis |
| 10/21/1999 | WO1999053118A1 Integrated ion implant scrubber system |
| 10/21/1999 | WO1999039355A9 Method for determining average wall thickness for pipes and tubes using guided waves |
| 10/20/1999 | EP0950179A1 Photoacoustic device and process for multi-gas sensing |
| 10/20/1999 | EP0949976A2 Ultrasound scan conversion with spatial dithering |
| 10/20/1999 | EP0727963A4 High resolution ultrasonic imaging apparatus and method |
| 10/20/1999 | CN2344775Y Contactless abnormal sound source investigating device |
| 10/20/1999 | CN1232180A Ultrasonic comb probe array assembly |
| 10/20/1999 | CN1045738C Cutter failure comprehensive monitoring and controlling method and device |
| 10/19/1999 | US5970438 Method and apparatus for testing rails for structural defects |
| 10/19/1999 | US5970434 Method for determining average wall thickness for pipes and tubes using guided waves |
| 10/19/1999 | US5969255 System and method of ultrasonic inspection of tubular members |
| 10/19/1999 | US5969253 Method and apparatus for evaluating multilayer objects for imperfections |
| 10/19/1999 | US5969252 Process for the predictive determination in the precritical regime of the load at rupture of a structure |
| 10/19/1999 | US5969237 Measurement and control of asphaltene agglomeration in hydrocarbon Liquids |
| 10/19/1999 | US5969236 Particle sensor |
| 10/19/1999 | US5969235 System and method for measuring scale deposition including a tuning fork for use in the system and the method |
| 10/14/1999 | WO1999052323A1 Folded sagnac sensor array |
| 10/14/1999 | WO1999051942A1 Fiber optic acoustic sensor array based on sagnac interferometer |