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| Number | Title | Issue Date |
| 8113055 | Method for evaluating fastening state of threaded joint of pipes or tubes and method for fastening threaded joint of pipes or tubes using the method There is provided a method capable of evaluating a fastening state of a threaded joint that is used as a joint of pipes or tubes such as OCTG with a high degree of accuracy even after being fastened and a method for fastening a threaded joint of pipes or tubes using... | 02/14/2012 |
| 8047078 | Flaw detection testing method There is provided a flaw detection testing method applied to a slot dovetail portion of a turbine generator rotor shaft. The flaw detection testing method includes an angle determining step of determining a slot angle of the slot dovetail portion using a variable-an... | 11/01/2011 |
| 7418867 | Remote use of ultrasonic sensors A method and apparatus for conducting ultrasonic inspections of what would normally be inaccessible areas of objects for such properties as thickness, cracks, discontinuities, density, pits and holes. In addition, a method and apparatus for improving ultrasonic insp... | 09/02/2008 |
| 7389694 | Rail inspection system An apparatus rides along a rail of a railroad track. A transmitter transmits ultrasonic guided waves bidirectionally along the rail while the apparatus and transmitter are moving along the railroad track. A sensor detects flaws in response to the transmitted ultraso... | 06/24/2008 |
| 7370537 | Ceramic ball bearing acoustic test method An acoustical mechanical test method prescribes compressing brittle balls in spherical conforming opposing platens producing equatorial bulging, tensile stresses, and resulting in crack or flaw growth with emissions of acoustical sounds for direct identification of ... | 05/13/2008 |
| 7337672 | Method for inspecting grinding wheels This invention discloses a method of evaluating the internal structure of a grinding wheel through ultrasonic inspection. ... | 03/04/2008 |
| 7337162 | Computer-implemented method and apparatus for matching paint A computer implemented method for matching paint on a vehicle, having the steps of receiving in a central computer, from a remote terminal, vehicle identifying information relating to a specific vehicle and a first set of paint color data from a portion of the body ... | 02/26/2008 |
| 7313961 | Method and apparatus for inspecting a component A method for inspecting a gas turbine engine component includes positioning an ultrasonic probe assembly proximate to a surface of the component, wherein the ultrasonic probe assembly includes a body portion and an inspection bar, coupling the inspection bar to the ... | 01/01/2008 |
| 7305884 | In situ monitoring of reactive material using ultrasound The present invention provides a device and method of non-destructively monitoring reactive material through a substrate for changes in material properties that designate the condition of the reactive material during cure and service life. A transducer is placed on ... | 12/11/2007 |
| 7290451 | Status discriminating apparatus of human, animal, machine or the like using ultrasonic vibration detecting sensor, and status discriminating method of human, animal, machine or the like using the same A human or other status discriminating apparatus includes an ultrasonic vibration detecting sensor comprising a container main body, a liquid packed tightly in the container main body, and an ultrasonic vibrator for transmitting ultrasonic waves into the liquid and ... | 11/06/2007 |
| 7287430 | Method of evaluating connected portions, method of connecting electrical winding conductors and apparatus therefor A method of connecting hollow conductors with a brazing alloy employs a measuring mechanism 10 for measuring a connecting state of a connecting portion after brazing hollow conductors. The measuring mechanism comprises a scanner 101 and a holder 19 | 10/30/2007 |
| 7275441 | Method for ultrasonic inspection of generator field teeth A method for ultrasonically inspecting a generator field tooth for the detection, characterization and/or sizing of cracks thereat is disclosed. A monolithic piezoelectric transducer (MPT) productive of a test signal having a defined angle of refraction with respect... | 10/02/2007 |
| 7275442 | Method for ultrasonic inspection of generator field teeth A method for ultrasonically inspecting a generator field tooth for the detection, characterization and/or sizing of cracks thereat is disclosed. An electromagnetic acoustic transducer (EMAT) productive of a test signal having a defined angle of refraction with respe... | 10/02/2007 |
| 7254518 | Pressure transmitter with diagnostics In one embodiment, a pressure transmitter is provided which diagnoses the condition of a primary element and/or an impulse line which connects to a pressure sensor. A difference circuit coupled to the pressure sensor has a difference output which represents the sens... | 08/07/2007 |
| 7240554 | Method and device for sizing a crack in a workpiece using the ultrasonic pulse-echo technique The invention relates to a method for determining the size of a fracture (26) in a workpiece (20), in particular the depth of a fracture (26) in said workpiece (20), by means of the ultrasound pulse method, comprising the following method... | 07/10/2007 |
| 7234353 | Non-fluid acoustic coupling An apparatus examines the internal structure of an object disposed substantially in a medium such as air. The apparatus has an acoustic transducer assembly that emits and receives acoustic signals and an acoustic coupler that acoustically couples the acoustic transd... | 06/26/2007 |
| 7210329 | Method for determining temporal and amplitude threshold values of gates during ultrasound testing of spot welding joints The invention relates to a method for determining the threshold value of screens which enable an evaluation of a sound coupling during the ultrasound testing of a series of spot welding joints of a selected type. Initially, a geometrical minimal thickness dMin is es... | 05/01/2007 |
| 7207223 | Toroidal-type continuously variable transmission component and method for evaluating the same A toroidal-type continuously variable transmission component, such as an input disk, an output disk, an inner ring of a power roller bearing, and an outer ring of the power roller bearing, which is functioned as a rolling member, has a layer a depth of which is 0.5 ... | 04/24/2007 |
| 7174787 | System and method for inspecting an industrial furnace or the like A system for inspecting a refractory furnace having an outer shell and an inner refractory brick lining includes a stress wave generator for generating stress waves that propagate through the outer shell and the refractory brick lining. A stress wave sensor senses r... | 02/13/2007 |
| 7168322 | Method for ultrasonic control of weld joints The invention concerns a method for non-destructive ultrasonic control, combining time-of-flight diffraction (TOFD) and inclined longitudinal wave techniques, of weld joints assembling two abutted parts. The method consists of using the time-of-flight diffraction te... | 01/30/2007 |
| 7165453 | Flexible electromagnetic acoustic transducer sensor An array of magnets designed of flexible components and materials can be easily shaped to fit to the contour of various curved surfaces and structures. EMATs that incorporate these magnets, in addition to being flexible, may be smaller in volume than the conventiona... | 01/23/2007 |
| 7129719 | Apparatus for detecting defect in circuit pattern and defect detecting system having the same Provided is an apparatus for detecting a defect of a circuit pattern which includes a resonator, a first power supply unit connected to one end of the resonator to apply power to the resonator, a probe connected to the other end of the resonator to contact one end o... | 10/31/2006 |
| 7107852 | Method of inspecting food stuffs and/or associated packaging A system to perform measurements on liquids, meat, viscous sugar or starch-based materials, and other foodstuffs using air-coupled ultrasound is provided. The technique uses ultrasonic transducers (advantageously capacitive transducers with polymer membranes), to ge... | 09/19/2006 |
| 7104132 | Acoustic coupling with a fluid bath An apparatus examines the internal structure of an object disposed substantially in a medium such as air. The apparatus has an acoustic transducer assembly that emits and receives acoustic signals and an acoustic coupler that acoustically couples the acoustic transd... | 09/12/2006 |
| 7082833 | Method and apparatus for determining and assessing a characteristic of a material An acoustic energy-based, non-contact or contact testing approach provides low cost, highly accurate, and reliable information to (a) identify flaws and anomalies and (b) assess the integrity of a particular material. This approach is not hindered by surface conditi... | 08/01/2006 |
| 7066007 | Systems and methods for predicting the bending stiffness of wood products Generally described, a bending stiffness predicting system 20 includes a density measurement sub-system 24 and a sound wave velocity measurement sub-system 28. From the measurements of both density and speed of sound through the wood product rec... | 06/27/2006 |
| 7068050 | Moisture and density detector (MDD) A Moisture and Density Detector (MDD) provides a method and apparatus to determine the moisture content and/or density, as well as presence and location of anomalies, and/or wood type of any dielectric material for various purposes. This device is very useful in det... | 06/27/2006 |
| 7069154 | Method and apparatus for detecting and automatically identifying defects in technical equipment A method and apparatus for detecting and automatically identifying defects in technical equipment, is disclosed. Measurement signals varying in time are downloaded as spectrograms to a computer memory. Using a predetermined criteria a set of designated peak values i... | 06/27/2006 |
| 7055389 | Acoustic coupling with a fluid retainer An apparatus examines the internal structure of an object disposed substantially in a medium such as air, which essentially totally reflects acoustic signals in the 1-200 MHz frequency range. The apparatus has an acoustic transducer that emits and receives acoustic ... | 06/06/2006 |
| 7017413 | Methods for quantitatively determining lengthwise shrinkage in wood products Embodiments of the present invention quantify lengthwise shrinkage to a higher degree of accuracy over currently known methods by employing reactive force values, such as stiffness measurements, in conjunction with motive force values, such as chemical composition, ... | 03/28/2006 |
| 7017414 | Ultrasonic inspection method and system therefor A method and system for ultrasonically inspecting turbine wheels and other disk-shaped articles having a central opening and multiple secondary openings radially spaced outward from the central opening. At least one ultrasonic transducer is placed in at least one of... | 03/28/2006 |
| 7013703 | System and method of evaluating or calibrating a bubble detector A bubble detector utilizes an ultrasonic transducer to sample bubbles as they pass the transducer. The envelope of the return signal is analyzed to determine the volume of each sampled bubble. If the total volume of bubbles sampled within a certain period of time ex... | 03/21/2006 |
| 7010980 | Method of determining the porosity of a workpiece The porosity of a workpiece, in particular a workpiece made of a fiber composite material is determined. An ultrasonic signal is injected into the workpiece and an ultrasonic echo signal is received from the workpiece. The variation of the amplitude of the ultrasoni... | 03/14/2006 |
| 6998689 | Fluid delivery for scanning probe microscopy The following invention pertains to the introduction of a gas (or fluid) around a SPM probe or nanotool™ to control chemical activity e.g. oxygen to promote oxidation, argon to inhibit oxidation or clean dry air (CDA) to inhibit moisture to control static charging... | 02/14/2006 |
| 6988410 | Inspection method and apparatus for determining incipient mechanical failure A method for determining incipient mechanical failure of an object includes insonifying the object with ultrasonic energy at a selected fundamental frequency. Amplitude data is acquired from the insonified object at the fundamental frequency and at a second harmonic... | 01/24/2006 |
| 6973832 | Acoustic coupling with a fluid bath An apparatus examines the internal structure of an object disposed substantially in a medium such as air, which essentially totally reflects acoustic signals in the 1-200 MHz frequency range. The apparatus has an acoustic transducer that emits and receives acoustic ... | 12/13/2005 |
| 6959602 | Ultrasonic detection of porous medium characteristics Plate waves are used to determine the presence of defects within a porous medium, such as a membrane. An acoustic wave can be propagated through a porous medium to create a plate wave within the medium. The plate wave creates fast compression waves and slow compress... | 11/01/2005 |
| 6951134 | Flowing fluid acoustic coupling An apparatus examines the internal structure of an object disposed substantially in a medium such as air, which essentially totally reflects acoustic signals in the 1–200 MHz frequency range. The apparatus has an acoustic transducer that emits and receives acousti... | 10/04/2005 |
| 6948370 | Method of measuring the adhesion of a coating to a substrate A method of measuring the adhesion of a coating to a substrate, wherein the measurement is done in air and wherein an ultrasound transducer is applied to the substrate by means of a thin film of gel, and a quality factor is calculated, given by the ratio between the... | 09/27/2005 |
| 6945111 | System and method for identifying incompletely cured adhesive A system for inspecting adhesive in a composite structure, such as for soft or improperly cured regions, includes a transducer and a processing element. The transducer can transmit a signal, such as an ultrasonic signal, into the adhesive such that at least a portio... | 09/20/2005 |
