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| Number | Title | Issue Date |
| 8176785 | Method and device for detecting water in a cellular structure The invention relates to the detection of liquid in a cavity of a structure, e.g. a sandwich-structure cell with honeycomb core and carbon fiber composite coating. The structure is subjected to a mechanical vibration, at a frequency fm in the audible rang... | 05/15/2012 |
| 7987720 | Ultrasonic sensing array system and method A system and method for detecting leaks in substantially closed objects, such as automobiles, airplanes, tanks, and other vehicles, using an ultrasonic transmitter and one or more ultrasonic sensors or receivers supported on a frame. Ultrasonic amplitude readings ob... | 08/02/2011 |
| 7980136 | Leak and contamination detection micro-submarine The leak and contamination detection micro-submarine includes an “electronic ear” and an “electronic nose” for detecting both leaks and chemicals within a pipe which may be leaking. The submarine includes an on-board electric motor which is radio remote cont... | 07/19/2011 |
| 7891246 | Tracking vibrations in a pipeline network A vibration recorder for detecting leaks in a pipeline network includes a sensor operable to receive vibration signals from a pipeline network, and a communication port connected to an automatic meter reader/transmitter (“AMRT”). A processor connected to the com... | 02/22/2011 |
| 7861591 | Device for the ultrasonic inspection of the weld seam of longitudinally welded pipes for defects The present invention pertains to a device for ultrasonic inspection of a weld seam of a longitudinally welded pipe for longitudinal defects with an inspection unit, which is relatively displaceable on a pipe surface on at least one side of the weld seam. The device... | 01/04/2011 |
| 7690258 | Buried pipe examining method An impact elastic wave test is conducted to measure propagating waves in a pipe to be examined, a frequency spectrum of the propagating waves is analyzed, and at least a spectral area value in a first frequency region and a spectral area value in a second frequency ... | 04/06/2010 |
| 7673516 | Ultrasonic liquid treatment system An ultrasonic treatment chamber and a process for ultrasonically treating a liquid in an ultrasonic treatment chamber include an elongate, generally tubular housing having an inlet and an outlet spaced longitudinally from the inlet. Liquid is directed into the housi... | 03/09/2010 |
| 7673515 | Vibration sensor A method for measuring a vibration from four or more equidistant points in a chamber, comprising centering a chamber surface around a center point, containing a fluid within the chamber surface, measuring a fluid vibration from at least four measuring points in juxt... | 03/09/2010 |
| 7647829 | Steam generator nondestructive examination method A method of examining a steam generator heat exchange tube from the outside surface employing ultrasonic nondestructive inspection techniques. An ultrasonic transducer contacts the outside surface of the tube and transmits a pseudo helical Lamb wave into the wall of... | 01/19/2010 |
| 7607351 | Acoustic impact detection and monitoring system A system is disclosed for detecting and locating harmful impacts to pipelines using sensors placed along the pipeline. The exact spacing of sensors is site specific and is set with the goal of maximizing sensor spacing without reducing system performance and reliabi... | 10/27/2009 |
| 7549338 | Nanostructure sensor of presence and concentration of a target molecule Method and system (i) to determine when a selected target molecule is present or absent in a fluid, (2) to estimate concentration of the target molecule in the fluid and (3) estimate possible presence of a second (different) target molecule in the fluid, by analyzin... | 06/23/2009 |
| 7523666 | Leak locator A method of determining the presence and location of leaks in a pipeline (2) comprising inserting a leak location device capable of detecting and recording the occurrence of noise into the flow of fluid (1) within the pipeline (2); allowing the ... | 04/28/2009 |
| 7523667 | Diagnostics of impulse piping in an industrial process Diagnosing operation of an impulse piping line in an industrial process is provided. A vibration source transmits a vibration signal through the piping and a vibration signal receiver receives the vibration signal. The operation of the impulse piping line is diagnos... | 04/28/2009 |
| 7493817 | Underground pipe inspection device and method A method and apparatus for inspecting the walls of an underground pipe from inside the pipe in which an inspection apparatus having a circular planar platform having a plurality of lever arms having one end pivotably attached to one side of the platform, having a pi... | 02/24/2009 |
| 7475596 | 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... | 01/13/2009 |
| 7426879 | Inspection method and inspection apparatus of reinforced concrete pipe Deterioration of reinforced concrete pipes is checked and the deterioration progress level is classified. Based on the inspection result, a portion to be inspected in detail in an inspection area is selected. With respect to the selected portion to be inspected in d... | 09/23/2008 |
| 7406871 | Fuel type identifying apparatus A fuel tank is allowed to hold any of types of liquid fuels and currently hold one type of liquid fuel. A light emitting element outputs a light beam of a predetermined emission spectrum to the liquid fuel of the fuel tank. The liquid fuel changes the light beam to ... | 08/05/2008 |
| 7403839 | Water shut-off system A moisture monitoring and control system comprising: 1) a plurality of moisture sensors; 2) one or more local or remote control stations capable of monitoring and controlling each of the individual elements of the moisture monitoring and control system; 3) at least ... | 07/22/2008 |
| 7387026 | Peripheral ultrasonic sensing array system and method An improved system and method for detecting leaks in substantially enclosed objects such as automobiles, airplanes, tanks, etc. uses an ultrasonic transmitter and an array of ultrasonic sensors positioned around the inner periphery of a cut out silhouette that corre... | 06/17/2008 |
| 7360462 | Method and equipment for inspecting reinforced concrete pipe Deterioration of reinforced concrete pipes is checked and the deterioration progress level is classified. Based on the inspection result, a portion to be inspected in detail in an inspection area is selected. With respect to the selected portion to be inspected in d... | 04/22/2008 |
| 7360417 | Fluid level detector A fluid detector for determining a presence of a fluid within a container includes a piezoelectric element that outputs a first ultrasonic signal in response to an input electrical signal and a lens with an upper portion and a lower portion. The piezoelectric elemen... | 04/22/2008 |
| 7356444 | Embedded system for diagnostics and prognostics of conduits An apparatus providing a means for assessment of the integrity of insulated conduits, harnesses, cables, pipelines and other interconnection systems constructed with integral sensitized media, discrete sensors, and electronics providing a means for transforming sens... | 04/08/2008 |
| 7342665 | System and method for control of paint thickness The invention is directed to a system and method for implementing process control for paint thickness using sonic NDE techniques. The system may, for example, generate ultrasound waves in a test object during the manufacturing process. A detector such as an interfer... | 03/11/2008 |
| 7334484 | Line pressure measurement using differential pressure sensor A pressure sensor assembly for sensing a pressure of a process fluid includes a sensor body having a cavity formed therein to couple to a process fluid pressure. A deflectable diaphragm in the cavity deflects in response to the first and second process fluid pressur... | 02/26/2008 |
| 7331215 | Deployment of equipment into fluid containers and conduits Apparatus for deploying equipment in a fluid container or fluid conduit comprises a fluid housing having an outlet aperture, the fluid housing being adapted to be secured to the container or conduit such that the outlet aperture is in fluid communication with an ape... | 02/19/2008 |
| 7331249 | Non-destructive inspection apparatus and non-destructive inspection system A nondestructive inspection device nondestructively inspects an internal state of an inspection target, and transmits information indicating a progress status of the inspection to the outside of an inspection site. A nondestructive inspection system which uses this ... | 02/19/2008 |
| 7318335 | Ultrasonic gas leak detector including a detector testing device An ultrasonic gas leak detector of the kind where a detector transducer senses airborne acoustic ultrasonic sound waves emitted from a leakage in a gas installation is provided. The detector is provided with self-test means according to which an ultrasonic signal is... | 01/15/2008 |
| 7318350 | Valve monitoring system and method A valve monitoring system includes an alert generation system and a memory. The memory encodes baseline acoustic emission data on the valve for a predetermined period of operation. The alert generation system is arranged to receive acoustic emission data for the val... | 01/15/2008 |
| 7311004 | Flow control and operation monitoring system for individual spray nozzles An apparatus and process for monitoring fluid flow through a nozzle is disclosed. A vibration sensor, such as an accelerometer, is mounted to a nozzle. The vibration output received from the sensor is then analyzed to determine whether or not the nozzle is operating... | 12/25/2007 |
| 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 |
| 7290450 | Process diagnostics A diagnostic device for use in a industrial process includes monitoring electronics or diagnostic circuitry configured to diagnose or identify a condition or other occurrence in the industrial process. The system can be implemented in a process device such as a flow... | 11/06/2007 |
| 7287431 | Wireless oil filter sensor A wireless oil filter sensing system includes an oil filter and a sensing mechanism that is connectable to the oil filter. The sensing mechanism includes one or more acoustic wave sensing elements and at least one antenna that communicate with the acoustic wave sens... | 10/30/2007 |
| 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 |
| 7271721 | Protected distribution system An information transmission system comprising a conductor operable to carry a desired information signal. A first tube substantially surrounds the conductor and a second tube substantially surrounds the first tube to define a substantially fluid-tight chamber thereb... | 09/18/2007 |
| 7266992 | Remote pipeline acoustic inspection A pipe inspection apparatus comprising an acoustic source (3) for location at a first position in a pipe or pipe network, one or more acoustic or pressure detectors (4) for location at one or more positions in the pipe or pipe network, means for record... | 09/11/2007 |
| 7267009 | Multiple-mode acoustic wave sensor A multiple-mode acoustic wave sensor apparatus includes an acoustic wave device comprising a piezoelectric substrate and at least one electrode on the substrate. When such sensor is used in a wireless configuration, a plurality of antennas can be configured on the s... | 09/11/2007 |
| 7257984 | Miniaturized sensor device for detecting characteristics of a fluid, in particular a lubricating oil A miniaturized sensor device comprises at least one pair of active projecting elements or cantilevers, which are set parallel to one another and at a micrometric or sub-micrometric distance apart and are designed to be submerged at least partially in a fluid. Each p... | 08/21/2007 |
| 7246516 | Device for coupling thermogravimetric analyses and acoustic emission measurements The present invention relates to a device comprising a thermobalance equipped with a detector (5) for measuring acoustic signals emitted by a sample (6) hanging from the balance beam and a preamplifier (2) incorporated in the vicinity of the hea... | 07/24/2007 |
| 7243549 | Acoustic wave lubricity sensor A lubricity sensor includes a flexural plate wave device and a face shear mode bulk acoustic wave device, which is associated with and located proximate to the flexural plate wave device. The face shear mode bulk acoustic wave device and the flexural plate wave devi... | 07/17/2007 |
| 7240537 | Method for the determination of the wall friction profile along pipes by pressure transients measurements The present invention deals with a method which allows to determine the wall friction profile along pipes transporting liquids, particularly petroleum industry liquids, by measuring the pressure transients induced by fast changes in the flow rate. This method is app... | 07/10/2007 |
