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| Number | Title | Issue Date |
| 8087298 | Ultrasonic probe deployment device for increased wave transmission and rapid area scan inspections An ultrasonic probe deployment device in which an ultrasound-transmitting liquid forms the portion of the ultrasonic wave path in contact with the surface being inspected (i.e., the inspection surface). A seal constrains flow of the liquid, for example preventing th... | 01/03/2012 |
| 7954380 | Rotary drill bits and systems for inspecting rotary drill bits A method for conducting nondestructive internal inspection of a rotary drill bit used for drilling subterranean formations comprises communicating ultrasonic waves into a drill bit and detecting ultrasonic waves that are reflected by at least a portion of the drill ... | 06/07/2011 |
| 7930940 | Ultrasonic transducer An ultrasonic transducer incorporated into an ultrasonic inspection apparatus for examining existence of defect in a sample dipped in water comprises a transducer main part having an oscillator which projects an ultrasonic wave to the sample, receives the reflected ... | 04/26/2011 |
| 7631560 | Methods of inspecting rotary drill bits A method for conducting nondestructive internal inspection of a rotary drill bit used for drilling subterranean formations comprises communicating ultrasonic waves into a drill bit and detecting ultrasonic waves that are reflected by at least a portion of the drill ... | 12/15/2009 |
| 7389693 | Methods and apparatus for porosity measurement A method for non-destructively inspecting a composite structure with a single ultrasonic transducer includes determining a calibration amplitude of ultrasonic transmissions emitted by the single ultrasonic transducer to a reflector in a fluid-filled immersion tank a... | 06/24/2008 |
| 7383733 | Method and apparatus for the sonic detection of high pressure conditions in a vacuum switching device A method and apparatus for detecting a high pressure condition within an interrupter includes introducing high intensity ultrasonic sound into the outer wall of a vacuum interrupter through a sonic wave guide, then listening for the reflected and retransmitted respo... | 06/10/2008 |
| 7353709 | Method and system for determining material properties using ultrasonic attenuation A method and system is disclosed for determining a property of an object by measuring ultrasonic attenuation. With the proposed method, a measured ultrasonic interaction signal of the object is compared with a reference signal produced using the same generation and ... | 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 |
| 7334780 | Device and method for manufacturing carbonated spring and carbonic water, control method for gas density applied thereto and membrane module Hot water (12) in a bath (11) is pumped up by a suction pump (9) and introduced into a carbon dioxide gas dissolver (7) through solution flow rate adjusting means (14) and then, poured into the bath (11). Carbon dioxide gas ... | 02/26/2008 |
| 7319401 | Radar level gauge system with variable alarm limits A radar level gauge system for determining the filling level of a filling material in a tank is disclosed. The system comprises a transmitter for transmitting measuring signals towards the surface of the filling material; a receiver for receiving echo signals from t... | 01/15/2008 |
| 7302850 | Ultrasonic diagnostic apparatus and image processing apparatus An ultrasonic diagnostic apparatus that performs high acoustic pressure and low acoustic pressure ultrasonic transmissions by switching at predetermined timing in the enhanced ultrasonography, and displays concurrently a replenishment image obtained through the low ... | 12/04/2007 |
| 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 |
| 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 |
| 7273459 | Vortex transducer A mechanically formed vortex transducer is described. The transducer has a plurality of piezoelectric elements suspended in an epoxy and heat molded into a desired shape. An irregularity in the transducer shape provides for a mechanically induced vortex focal field ... | 09/25/2007 |
| 7273455 | Corrections for wavefront aberrations in ultrasound imaging An estimation method for correction filters for wavefront aberration correction in ultrasound imaging is given. The aberration is introduced due to spatial variations of the ultrasound propagation velocity in heterogeneous tissue. The correction filters are found as... | 09/25/2007 |
| 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 |
| 7263031 | Distance measuring device for acoustically measuring distance A distance measuring device includes a transmitter for transmitting an acoustic signal at a distant object, an acoustic signal receiver for receiving a reflected acoustic signal reflected from the distant object, a temperature sensor detecting air temperature, a hum... | 08/28/2007 |
| 7240553 | Non-invasive detection and analysis of microorganisms in diary products packaged in paper or paperboard based laminated recipients using dry coupling elastic waves The invention relates to a method and a device for the early detection of the presence of micro-organisms in food, particularly in milk and derivatives thereof. One of the main advantages of the invention lies in the fact that the aforementioned detection method can... | 07/10/2007 |
| 7237767 | Device and method for manufacturing carbonated spring and carbonic water, control method for gas density applied thereto and membrane module Hot water (12) in a bath (11) is pumped up by a suction pump (9) and introduced into a carbon dioxide gas dissolver (7) through solution flow rate adjusting means (14) and then, poured into the bath (11). Carbon dioxide gas ... | 07/03/2007 |
| 7226416 | System and method for phase inversion ultrasonic imaging Ultrasonic imaging utilizing multiple sets of transmit pulses differing in amplitude, frequency, phase, and/or pulse width is disclosed. One embodiment has phase differences between the k transmit signal as 360 ... | 06/05/2007 |
| 7204147 | Ultrasonic inspection method for weld zone An inspection method can easily determine welding condition by just comparing an echo height returned from the weld zone of a real product with a master data. An master data is made based on the data from prepared test pieces corresponding to the real product... | 04/17/2007 |
| 7200521 | Method and device for detecting a fiber lap as well as a fiber cutting machine A method and a device for detecting a fiber lap on a rotating machine component, wherein a sensor signal is used to detect the fiber lap that has formed on the circumference of the component. To enable a noncontacting monitoring despite unfavorable environmental con... | 04/03/2007 |
| 7197933 | Ultrasonic sensor for controlling the process during resistance spot welding A sensor carrier is provided that has at least one oscillating element (32) that introduces ultrasonic waves into an area to be examined and/or receives ultrasonic waves coming from the area to be examined, whereby the oscillating element (32) is locat... | 04/03/2007 |
| 7179334 | System and method for performing semiconductor processing on substrate being processed A semiconductor process system (10) includes a measuring section (40), an information processing section (51), and a control section (52). The measuring section (40) measures a characteristic of a test target film formed on a targe... | 02/20/2007 |
| 7151715 | Method and apparatus for detecting the position of the edge of a moving product web A method and an apparatus (1) are used to detect the position of the edge (2) of a moving product web (3). The apparatus (1) has piezoelectric elements (5), which firstly output ultrasonic pulses (10) and secondly pick them ... | 12/19/2006 |
| 7146280 | Startup and operational techniques for a digital flowmeter Startup and operational techniques for a digital flowmeter are described. The techniques select an optimal mode of operation for the digital flowmeter, depending on a current environment of the flowmeter. For example, during a startup operation of the flowmeter, the... | 12/05/2006 |
| 7139220 | Dynamic filter tuning for pulse-echo ranging systems Dynamic tuning of a tunable filter within the receiver of a pulse-echo ranging system. A filter tuning module compares a transmit signal and a filtered signal to obtain a phase difference indicative of any mis-match between the resonant frequency of the tunable filt... | 11/21/2006 |
| 7136761 | Digital flowmeter A controller for a flowmeter includes an input module operable to receive a sensor signal from a sensor connected to a vibratable flowtube. The sensor signal is related to a fluid flow through the flowtube. The controller also includes a signal processing system ope... | 11/14/2006 |
| 7086285 | Nondestructive inspection method and system therefor A method and system for determining the fiber volume fraction of a composite structure. The system includes a unit for ultrasonically determining the porosity volume fraction in the article, and a unit for calculating the volume fraction of the fibrous reinforcement... | 08/08/2006 |
| 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 |
| 7076992 | Method and apparatus for calibrating position and thickness in acoustic hull testing A system is provided for calibrating an acoustic hull integrity sensing system by providing a coupon attached to the interior surface of the hull, in which the coupon has a stepped calibration block, with one of the steps approximating the thickness of the hull to b... | 07/18/2006 |
| 7069786 | Ultrasonic transducer structures The present invention provides an ultrasonic transducer structure, comprising a first ultrasonic transducer element (1), arranged and operable for transmitting an ultrasonic signal from a front face of the structure, damping material (2) at the back of... | 07/04/2006 |
| 7040170 | Methods for measuring strength of film and determining quality of object having the film A method for measuring a film strength of a film on an object. An incident angle of pressure waves with respect to an object to be measured, the object including a base coated with a film, is set for applying the pressure waves to the object. The incident angle is v... | 05/09/2006 |
| 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 |
| 6993967 | Fluid level sensor An ultrasonic fluid level sensor for use in a fluid container, preferably a vehicle fuel tank. The fluid level sensor generally includes a single transceiver having measurement and reference sections, an impedance layer and a housing having a reference element and a... | 02/07/2006 |
| 6981417 | Scanning acoustic micro imaging method and apparatus for non-rectangular bounded files Method and implementing apparatus useful in acquiring data on acoustic features within a sample provides a pulsed acoustic probe and a stage system for effecting relative movement between the sample and the probe. The stage system is commanded such that the probe in... | 01/03/2006 |
| 6948898 | Alignment of semiconductor wafers and other articles A wafer or some other article is aligned while being held by an end-effector. ... | 09/27/2005 |
| 6950760 | Startup and operational techniques for a digital flowmeter Startup and operational techniques for a digital flowmeter are described. The techniques select an optimal mode of operation for the digital flowmeter, depending on a current environment of the flowmeter. For example, during a startup operation of the flowmeter, the... | 09/27/2005 |
| 6945114 | Laser-air, hybrid, ultrasonic testing of railroad tracks Formed Laser Sources (FLS) using pulsed laser light for generation of ultrasonic stress waves are combined with air-coupled detection of ultrasound to provide for the hybrid non-contact, dynamic and remote ultrasonic testing of structural materials, especially railr... | 09/20/2005 |
| 6941811 | Method and apparatus for detecting wafer flaw The present invention provides an apparatus for detecting flaws in a wafer. The apparatus has a detection platform for holding a wafer positioned thereon, a cross-bar ultrasonic detection device positioned above the detection platform for emitting and receiving an u... | 09/13/2005 |
