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| Number | Title | Issue Date |
| 8141263 | Apparatus for measuring an inside diameter of a hole of a workpiece An apparatus for measuring an inside diameter of hole of a workpeice comprises a main body, two probing legs, two pressure sensors, a controller unit, a display unit, and a step-motor. The two probing legs have a first end and a two second end. Two pressure sensors ... | 03/27/2012 |
| 8065813 | Excavation device and profile analyses of the excavation itself and associated method An excavation device (1) and profile analysis of the excavation includes a device (1) realizing excavations of prismatic shape and having a frame (3) and a plurality of excavation wheels (2). The frame (3) includes a first upper se... | 11/29/2011 |
| 8061053 | Multiple stage mechanical drift tool A downhole tool for measuring a diameter of a borehole that includes a mandrel and a collet is disclosed. The collet is disposed about the mandrel that includes a tapered surface formed on an outside surface of the mandrel that increases in diameter across a portion... | 11/22/2011 |
| 7685732 | Orientation sensing apparatus and a method for determining an orientation An orientation sensing apparatus includes a rotatable first member, an orientation sensor device fixed with the first member for generating orientation data relating to an orientation sensor device orientation, and a rotation sensor device for generating rotation da... | 03/30/2010 |
| 7665221 | Method and apparatus for hole diameter profile measurement A method and apparatus for measuring the bore diameter of a hole as a function of hole depth is disclosed. In one embodiment, the apparatus comprises a diametric probe, for generating first measured bore diameter data along a diametric probe sensitive axis; a foot, ... | 02/23/2010 |
| 7530176 | Method and apparatus for monitoring element alignment The present invention relates to a method of measuring the difference in alignment between a first plan position of an element (1) and a second plan position of an element, the method comprising the use of: i) at least one rigid or taut connection (4) ... | 05/12/2009 |
| 7484309 | System for measuring dimensions inside a hollow shaft, particularly one belonging to an aeronautical turbomachine A system for measuring an internal dimension, such as the radius, of a cylindrical cavity over a determined length, particularly in a hollow shaft belonging to a turbomachine. The system includes a measurement module mounted removably on a support that has translati... | 02/03/2009 |
| 7409774 | Borehole tool A borehole tool, comprises: a tool body; a series of arms connected to the tool body and moveable radially relative thereto; and a series of pads mounted on the arms so as to be pivotable about a radial axis relative to the tool body. By allowing pivoting of the pad... | 08/12/2008 |
| 7360315 | Poured concrete column alignment and plumbing tool A tool system is provided for aligning and plumbing a poured concrete form (e.g., a lower vertical form portion) for forming a structural column assembly of the type used for erecting building structures and the like, such as a concrete column or footing formed in s... | 04/22/2008 |
| 7358721 | Eddy current flaw detection sensor and method An eddy current flaw detection sensor is provided which can detect a circumferential crack occurring at the deformed portion or peripheral portion thereof of a heat transfer tube with a high degree of sensitivity. Two excitation coils 1a, 1b ... | 04/15/2008 |
| 7350309 | Extendable spacer device A spacer device for laser-optical measurement of hollow cylinders has at least two, preferably three arms which are coupled or interlaced with one another and which can be moved relative to one another. Each of the arms has a measurement roller on one end which is b... | 04/01/2008 |
| 7347003 | Device to measure axial displacement in a borehole A device to measure minute displacement in rocks, including anchor deployment means, anchor registration means, and frame release means. Further including anchor units comprising a fixed anchor point, a reversible anchor actuator and a deployable anchor face capable... | 03/25/2008 |
| 7322252 | Apparatus for taking measurements in access manholes An apparatus for measuring the location and annular orientation of pipe inverts and other features in manholes. An elongate, telescoping rod is supported centrally in the manhole opening by a pivot assembly that permits the rod to both rotate in the horizontal plane... | 01/29/2008 |
| 7302346 | Data logging A device and method for determining a geophysical characteristic of a borehole using at least one logging device is provided, wherein the at least one logging device includes at least one sensing device. The method includes associating the at least one sensing devic... | 11/27/2007 |
| 7301609 | Measuring sonde for a hydrocarbon well The invention provides a measuring sonde (1) for a hydrocarbon well, the sonde comprising a main body (2), a downstream arm (3), and an upstream arm (5), at least one of said arms being fitted with measurement means (6) for determi... | 11/27/2007 |
| 7260477 | Estimation of borehole geometry parameters and lateral tool displacements A method for determining a borehole geometry parameter vector and/or lateral tool displacement vectors in a borehole is provided. The method includes acquiring at least one set of standoff measurements at a corresponding time. The method also includes processing a s... | 08/21/2007 |
| 7228639 | Invert measuring device A measuring device for obtaining inlet invert measurements, pipe invert measurements, and pipe diameter measurements includes an invert measuring rod having a plurality of rod segments, each a threaded bore at a first end and an axially extending threaded stud at a ... | 06/12/2007 |
| 7178418 | Segment of a sensor-supporting element for a scraper-type device Disclosed is a segment (15) of a sensor-supporting element for a scraper-type device, which comprises at least two pairs of runners (16a, 16b) that are arranged essentially parallel behind each other. A support plate (20) re... | 02/20/2007 |
| 7143659 | Pipe-inspection system A pipe-inspection system (100) is provided. The system (100) is made up of a transmission cluster (104) incorporating a transmission unit (800) between first and second wheeled guidance units (400), and a reception cluster (104 | 12/05/2006 |
| 7134219 | Fiber optic gap gauge A lightweight, small size, high sensitivity gauge for indirectly measuring displacement or absolute gap width by measuring axial strain in an orthogonal direction to the displacement/gap width. The gap gauge includes a preferably titanium base having a central tensi... | 11/14/2006 |
| 7131210 | Borehole caliper tool A borehole caliper tool includes a tool body and an arm coupled to the tool body. The arm is deflectable relative to the tool body. The caliper tool further includes a cam coupled to the arm such that a position of the cam changes as the arm deflects. The caliper to... | 11/07/2006 |
| 7131344 | Device and method for inspecting inside of underground pipe line and method of inspecting concrete on inside of underground pipe line for deterioration A device for inspecting the inside of an underground pipe line which makes it possible to search for cavities on the outside of the underground pipe over the entire internal peripheral surface of the underground pipe, that is, not only upward of the underground pipe... | 11/07/2006 |
| 7111516 | In-tube ultrasonic device for wall thickness metering What is claimed is an inspection device for in-tube monitoring of main pipelines by the method of ultrasonic wall thickness metering realized in a device traveling inside the pipeline and performing measurements, acquisition of measurement data and their interpretat... | 09/26/2006 |
| 7086169 | Method and apparatus for best fitting two or more items What is provided in one embodiment is a method and apparatus for confirming that one or more items in a universe of items fall within specified tolerances. In another embodiment various methods for determining best fit between items in a universe of items is provide... | 08/08/2006 |
| 7037729 | Porous materials embedded with nanospecies, methods of fabrication thereof, and methods of use thereof Briefly described, embodiments of this disclosure include structures, methods of forming the structures, and methods of using the structures. One exemplary structure, among others, includes a nanospecies and a porous material. The nanospecies has a first characteris... | 05/02/2006 |
| 7035165 | Imaging near-borehole structure using directional acoustic-wave measurement Directional acoustic measurements made in the borehole are used for imaging a near-borehole geological formation structure and determination of its orientation. Four-component cross-dipole data set measured in a deviated borehole in combination with the directionali... | 04/25/2006 |
| 7007396 | Replacement heart valve sizing device A heart valve sizing system featuring a lumen advanceable in vasculature, an inside caliper device at the distal end of the lumen, and a readout for reading the dimension gauged by the inside caliper device. In the preferred embodiment, the inside caliper device inc... | 03/07/2006 |
| 7000331 | Measuring and tool setting device for use on woodworking machines This invention relates to a measuring and tool setting device having a bridging cursor body 11 of plastics material, wood, metal or any combination of these with an integral locking cam mechanism 12 these acting upon a steel rule or scale 13 whi... | 02/21/2006 |
| 7000328 | Surveyor's tool A surveyor's tool to facilitate the measurement of the elevation of an invert within a manhole includes a rod with a dimensioning along its length. The tool further includes a slide moveable with respect to said rod. The slide includes a pair of opposing arms, the a... | 02/21/2006 |
| 6978690 | Apparatus for the internal inspection of pipes and tubes and the like An apparatus for the internal inspection of pipes and tubes or the like, comprising an ultrasonic measuring head and a cable coupled to the measuring head, which cable can be coupled outside the pipe or tube to be measured to a device processing the measuring data, ... | 12/27/2005 |
| 6931748 | Riser and tubular inspection systems A system for measuring inner diameter of a tubular, e.g., but not limited to, a riser or a pipe, the system including at least one linear distance measuring device movable through a hollow tubular, a main body also movable through said tubular, the at least one line... | 08/23/2005 |
| 6895681 | Method and instrument for measuring inside diameter of conduit An apparatus for measuring an inner diameter of a pipeline is incorporated into a passage pig for checking passableness through the pipeline or a cleaning pig for cleaning within the pipeline, the passage pig and the cleaning pig including at least one seal cup seal... | 05/24/2005 |
| 6877241 | Measurement of curvature of a subsurface borehole, and use of such measurement in directional drilling The present invention provides methods of measuring downhole the curvature of a borehole and, in a particular application of the invention, using the curvature information as an input component of a bias signal for controlling operation of a downhole bias unit in a ... | 04/12/2005 |
| 6848189 | Method and apparatus for measuring a distance A distance measurement device and method for measuring a distance between two reference points comprising a housing, a base, and a flexible member curving therebetween. The flexible member housing end is allowed to slide in a slide track in the housing. The housing ... | 02/01/2005 |
| 6833706 | Hole displacement measuring system and method using a magnetic field Techniques for measuring a displacement include generating a magnetic field using a magnetic field source; measuring a first magnitude of a component of the magnetic field using a sensor disposed within the magnetic field; displacing the magnetic field source; measu... | 12/21/2004 |
| 6647637 | Use of magneto-resistive sensors for borehole logging A downhole caliper instrument utilizing a linear or arcuate magneto resistive sensor to determine the position of one or more caliper arms which extend from a carrier tool to touch the surface of a borehole wall. A processor and firmware are included to c... | 11/18/2003 |
| 6560889 | Use of magneto-resistive sensors for borehole logging A downhole caliper instrument utilizing a magneto resistive sensor to determine the position of a caliper arm which extends to touch the surface of the borehole wall.... | 05/13/2003 |
| 6388439 | Method and device for measuring in situ the gap between two given elements in a tubular pipe Method for measuring the gap separating a vault of at least one end fitting and a given element of one end of a thermal part of a pipe, comprising; moving an autonomous measuring detector inside the said pipe, carrying out at least one series of measureme... | 05/14/2002 |
| 6338202 | Measurement tool used with an indicator A measurement tool used with an indicator for simplfying the task of measuring a hard-to-reach surface of an object. The measurement tool used with an indicator includes a cylindrical member having a first and a second end and a bore extending therethroug... | 01/15/2002 |
| 6151961 | Downhole depth correlation A tool for initiating a downhole function in a subsurface well, such as a cased well. The tool has memory adapted to store a well-specific reference pattern of one or more downhole well characteristics as a function of position along the well, one or more... | 11/28/2000 |
