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| Number | Title | Issue Date |
| 8166823 | Membrane-coupled ultrasonic probe system for detecting flaws in a tubular An ultrasonic probe apparatus for detecting flaws in a tubular includes a probe housing. The probe housing has an axial axis, a central cavity lying along the axial axis, and a bottom face adapted for placement on the tubular. The bottom face of the probe housing ha... | 05/01/2012 |
| 8146429 | Methods and systems for classifying the type and severity of defects in welds A method for determining the type of a defect in a weld may include determining a defect location and a corresponding defect signal by analyzing ultrasonic response signals collected from a plurality of measurement locations along the weld. The defect signal and the... | 04/03/2012 |
| 8091427 | Nondestructive inspection apparatus and nondestructive inspection method using guided wave Disclosed herein are an apparatus and a technique for quickly detecting a defective portion including wastage, which has occurred in piping having a straight piping portion or a bending zone, in the nondestructive inspection using a guided wave. A guided wave sensor... | 01/10/2012 |
| 8074520 | Ultrasonic inspection method utilizing resonant phenomena A transmission probe and a reception probe for transmitting and receiving a wideband ultrasonic wave are provided. Each time when the locations of the probes and are moved, a received wave Gj(t) is obtained. Based on a spectrum Fj(f) correspond... | 12/13/2011 |
| 8061208 | Non-destructive pipe scanner A non-destructive examination pipe scanner that employs a main carriage on which a sensor is mounted, a tensioner carriage and an idler carriage. The main carriage and the tensioner carriage are positioned around the pipe at spaced locations and connected on either ... | 11/22/2011 |
| 8061207 | System and process for ultrasonic characterization of deformed structures Generally speaking, the method of the present invention is performed by making various ultrasonic scans at preselected orientations along the length of a material being tested. Data from the scans are then plotted together with various calculated parameters that are... | 11/22/2011 |
| 8028581 | Methods and systems for ultrasonic inspection of rotating shafts A method of inspecting a rotatable shaft for the presence of defects may include continuously rotating a shaft under an applied load. As the shaft is rotated, an ultrasonic signal may be propagated along the length of the shaft. Attenuated or reflected ultrasonic si... | 10/04/2011 |
| 7997139 | Guided wave pipeline inspection system and method with enhanced natural focusing techniques A method for the nondestructive inspecting of coated or uncoated pipeline, using ultrasonic guided waves excited on the outer or inner pipe surface, wherein at least one or more transducers are individually or simultaneously excited to generate ultrasound, wherein m... | 08/16/2011 |
| 7938007 | Method for inspecting joined material interfaces A method for inspecting joined material interfaces, such as butt fusion pipe joints of plastic pipes, using ultrasonic waveforms to discriminate between acceptable and unacceptable interfaces. The waveforms (amplitude vs time) having been transmitted to a material i... | 05/10/2011 |
| 7913562 | Flexible plate magnetostrictive sensor probe for guided-wave inspection of structures An economical, flexible, magnetostrictive sensor for use on planar and/or curved structural surfaces, for guided-wave volumetric inspection of the structure. The flexible plate MsS probe includes a flexible strip of magnetostrictive material that is adhered to the b... | 03/29/2011 |
| 7874212 | Ultrasonic probe, ultrasonic flaw detection method, and ultrasonic flaw detection apparatus An ultrasonic probe performs flaw detection of a high (t/D) metal pipe. The front end portion of a transducer has at least a portion with an asymmetrically curved shape having a radius of curvature which progressively increases from one end towards the other end of ... | 01/25/2011 |
| 7854168 | Thickness measuring device for vessel steel plate The invention is objected to enable the provision of an vessel steel plate measuring device capable of measuring the thickness of vessel steel plate, even in the case of a vessel having a vessel mirror part formed by a spherical or conical curved surface such as a r... | 12/21/2010 |
| 7819010 | Device for testing ferromagnetic component walls without destruction of the same A device for destruction-free testing of ferromagnetic component walls with respect to elongate defects has a sending transducer that excites ultrasound waves in a wall area of a ferromagnetic component wall magnetized in a predetermined direction of magnetization. ... | 10/26/2010 |
| 7805997 | On-machine method for determining transmission shaft assembly quality An on-machine inspection method for detecting whether a shaft of a transmission system has failed uses a test probe from flaw detection apparatus to discover echo signals with known peaks corresponding to defined weakened portions in the shaft. The test probe is the... | 10/05/2010 |
| 7779693 | Method for nondestructive testing of pipes for surface flaws A method for nondestructive testing of the pipes for detecting surface flaws is disclosed. With of the method, flaws can be detected and analyzed in near-real-time while the pipe is produced. The data obtained by ultrasound sensors are digitized in a time window fol... | 08/24/2010 |
| 7779694 | Ultrasonic testing system and ultrasonic testing technique for pipe member Disclosed are an ultrasonic testing system and an ultrasonic testing technique for a pipe member capable of detecting minute flaws of several hundreds of microns or less located at positions in the wall thickness inside portion of a welded portion of a seam-welded p... | 08/24/2010 |
| 7735369 | Immersion ultrasonic test part holder, system and method for nondestructive evaluation A part holder for immersion ultrasonic testing having a solid buffer material with acoustic properties that match the immersion fluid is disclosed. Test systems and methods are also disclosed. ... | 06/15/2010 |
| 7650790 | Method of inspecting a component and an apparatus for inspecting a component An apparatus for ultrasonically inspecting a component comprises a first ultrasonic transducer for transmitting an ultrasonic signal into a component having rotational symmetry and a second ultrasonic transducer for detecting the reflected, or transmitted, ultrasoni... | 01/26/2010 |
| 7640809 | Spot welding inspecting apparatus A spot welding inspecting apparatus is provided with: a gun chip; a signal transmitting part; an ultrasonic sensor; an inner cylinder; a through hole; a partitioning cylinder; a first flow path; a second flow path; and a third flow path. The inner cylinder is... | 01/05/2010 |
| 7587942 | Ultrasonic inspection crawler and method for inspecting welds of jet pumps in a nuclear reactor vessel An inspection assembly adapted to traverse an inspection surface, the assembly includes: a crawler body including a first side and a bottom side, wherein the first side is adapted to face a first inspection surface and the bottom side is adapted to engage a second i... | 09/15/2009 |
| 7513161 | Device for measuring thickness of vessel steel plate The invention is objected to enable the provision of an vessel steel plate measuring device capable of measuring the thickness of vessel steel plate, even in the case of a vessel having a vessel mirror part formed by a spherical or conical curved surface such as a r... | 04/07/2009 |
| 7426867 | Electromagnetic acoustic transducers for use in ultrasound inspection systems An ultrasound system for inspecting an object is provided. The ultrasound system includes an electromagnetic acoustic transducer (EMAT) and a pulser-receiver system. The EMAT is configured to generate acoustic signals representative of the area being inspected and c... | 09/23/2008 |
| 7404326 | Ultrasonic probe and ultrasonic diagnostic system With a view to provide a probe able to suppress bending of a cable with a mechanical scan, the probe comprises a transducer for interconversion between an ultrasonic wave and an electrical signal, a shell for holding the transducer, a case for accommodating the shel... | 07/29/2008 |
| 7367239 | Piezocable based sensor for measuring unsteady pressures inside a pipe A piezocable-based sensor for measuring unsteady pressures inside a pipe comprises at least one cable extending around at least a portion of a circumference of the pipe. The cable includes a first electrical conductor, a piezoelectric material disposed around the fi... | 05/06/2008 |
| 7353708 | Ultrasonic generator system The system controls the frequency of an ultrasonic signal to be applied to a waveguide, such that the frequency corresponds to a preferred resonance mode of the waveguide and not to adjacent undesirable resonance modes. The system operates by carrying out a first sc... | 04/08/2008 |
| 7337673 | Ultrasonic array probe apparatus, system, and method for traveling over holes and off edges of a structure Improved apparatus, systems, and methods for inspecting a structure are provided that use a probe with sled appendages and an axial braking system. The probe uses pulse echo ultrasonic signals to inspect the structure. The sled appendages permit the probe to contact... | 03/04/2008 |
| 7328619 | Phased array ultrasonic NDT system for fastener inspections An ultrasonic probe suited for testing the integrity of sheet metal surfaces around fastener openings is provided with means to center the probe over such openings. Both a mechanical centering rod and an electronic display assist the user in centering such probe. On... | 02/12/2008 |
| 7328618 | Non-destructive testing of pipes To perform a non-destructive condition assessment of a pipe carrying a fluid, an actual value representative of the propagation velocity of an acoustic disturbance propagating between two longitudinally separated points on the pipe is determined. A corresponding pre... | 02/12/2008 |
| 7320249 | Magnetically attracted inspecting apparatus and method using a fluid bearing An apparatus and method for inspecting a structure are provided which include probes with sensing elements and are disposed proximate opposite surfaces of a structure, where only one of the probes need be driven. A tracking probe may be magnetically coupled to a dri... | 01/22/2008 |
| 7299697 | Method and system for inspecting objects using ultrasound scan data A method and apparatus for estimating a depth of a crack from ultrasound scan data are provided. The method includes mapping multiple amplitude responses from the ultrasound scan data, each mapped amplitude response being representative of a signal from one of the s... | 11/27/2007 |
| 7293461 | Ultrasonic tubulars inspection device A system, method, and apparatus for ultrasonic detection of flaws or defects in oil field tubulars utilizing composite transducers. An array of composite transducers are utilized to detect anomalies in the tubulars, such as transverse, wall or longitudinal defects. ... | 11/13/2007 |
| 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 |
| 7284456 | Apparatus for moving a measuring device along a pipe The apparatus is for displacing a measurement device along a pipe. The apparatus comprises a bracelet; a support device for supporting the measurement device in relation to the bracelet; at least one drive wheel each having an axis, mounted on the bracelet and orien... | 10/23/2007 |
| 7282663 | Forge welding process An automated method for forge welding tubulars including heating the tubular ends to be joined in a welding chamber while the heated tubular ends are maintained aligned and parallel relative to each other and at a small spacing, whereupon the heated tubular ends are... | 10/16/2007 |
| 7283226 | Measurement system cluster Systems and methods are disclosed for measuring semiconductor wafers in a fabrication process using one or more of a plurality of measurement systems. A measurement system cluster is provided having a plurality of such measurement systems, along with a system for tr... | 10/16/2007 |
| 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 |
| 7270021 | Apparatus and method for mounting and moving a working apparatus on a structure for the performance of works on the structure A working apparatus has: a working equipment for doing works on a structure; an operation mechanism adapted to actively move the working equipment relative to the structure; and an adhering/traveling module coupled to the operation mechanism and adapted to adhere to... | 09/18/2007 |
| 7267020 | Apparatus for structural testing An inspection device for performing nondestructive testing on a test subject includes a manually controlled inspection cart. The inspection device also includes a nondestructive testing platform and a computer coupled to the inspection cart. The computer is operable... | 09/11/2007 |
| 7263887 | Method for inspection of metal tubular goods A method for inspection of tubular goods includes using ultrasonic detection means to obtain wall thickness measurement of discrete sections of a tubular good and recording each measurement in association with both the longitudinal and circumferential position at wh... | 09/04/2007 |
