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| Number | Title | Issue Date |
| 7082881 | Mount apparatus for mounting a measurement device on a rail car A mount apparatus for mounting a measurement device on a rail car above a track surface of a railroad track including a securement member adapted to be secured to the unsprung component of the rail car, a pivot arm pivotably connected to the securement member, the p... | 08/01/2006 |
| 6943968 | Adjustable focusing composite for use in an optical profilometer system and method An adjustable lens is disclosed for use in an optical profilometer system. The adjustable lens includes a plurality of elements that are mutually spaced from another in a first position and provides a first focal point for an incident electromagnetic field having a ... | 09/13/2005 |
| 6912478 | System for collecting data used by surface profiling scheme A system is provided for the collection of measurements for use by a surface profiling processing scheme. A movable platform is equipped to: (i) generate a measurement of inclination of a surface when the platform is and stationary thereon, (ii) generate measurement... | 06/28/2005 |
| 6550151 | Contour measuring device and method The disclosed invention is an improvement on the traditional measuring wheel. When the odometry information is combined with two robust attitude sensors and an on-board computer, the instrument is able to perform useful measurements such as the calculatio... | 04/22/2003 |
| 6508008 | Running type road surface shape measuring apparatus A running type road surface shape measuring apparatus for measuring the unevenness and grade of road surface in the longitudinal and transverse directions during running of vehicle comprises a vehicle body (1), on which two running wheels (3, 5) and one m... | 01/21/2003 |
| 6131068 | Accuracy of an inertial measurement unit A missile guidance system employs a strap down inertial measurement unit with a separate accelerometer and star sensor that are moved for preflight accelerometer initialization. During flight, light is directed on the accelerometer and inertial measuremen... | 10/10/2000 |
| 5829149 | Walking profilometer A profilometer having a beam placement system which includes a beam pivotally connected to a front and a rear foot member. The foot members are spaced along the length of the beam and are arranged to be positioned on a section of pavement. The beam placem... | 11/03/1998 |
| 5535143 | Rolling digital surface measurement apparatus A rolling digital surface measurement apparatus which measures and records the second elevation differences between a plurality of sequentially oriented, regularly spaced, co-linear points which lie on the surface, and which then computes the elevations o... | 07/09/1996 |
| 5467658 | Escalator defective roller detector A portable testing and recording system for detecting defective escalator rollers. The system incorporates a level sensitive detector which actuates an audible, visual and/or marking indicator to alert a repair person to properly identify a defective roll... | 11/21/1995 |
| 5335422 | Tube variation measuring device A self propelled device which travels along a reformer tube or other tube to detect variations in the tube diameter that may indicate impending failure of the tube. A two piece frame opens and closes about a hinge axis to allow application of the device t... | 08/09/1994 |
| 5163330 | Apparatus for testing an elongated conduit using an internally applied non destructive wall deformation A method for non-destructive evaluation of a conduit, gallery or similar structure as shown which involves mechanical tests using an apparatus for applying forces to the walls of the structure in one or two opposite directions and measuring the displaceme... | 11/17/1992 |
| 4965940 | Method and apparatus for aligning a sawmill guide rail A saw mill guide rail capable of being quickly, easily and accurately aligned to the saw blade, having two intersecting surfaces machined into the head of the rail, each parallel to the rail head length and extending for the length of the rail, one being ... | 10/30/1990 |
| 4821426 | Highway profile measuring device The surface profile measuring device of the present invention comprises first and second elongated frame members, each having opposite forward and rearward ends. The frame members are pivotally connected at their adjacent ends by a hinge so as to be longi... | 04/18/1989 |
| 4785941 | Apparatus for automatically selecting acceptable or unacceptable hollow cylindrical products such as bushes An apparatus mechanically actuates GO ring gauges and NOGO ring gauges to check whether inner and outer diameters of hollow, cylindrical-shaped products such as bushes B/G are within fit tolerances, thus automatically distinguishing between acceptable and... | 11/22/1988 |
| 4780962 | Pipeline bend verification pig A pipeline pig device comprises a longitudinal housing of given length, having adjacent each end a substantially centralizing packer or seal by which pipeline fluids may be used to propel the device. Intermediate the longitudinal housing are a plurality o... | 11/01/1988 |
| 4697352 | Highway profile measuring device The surface profile measuring device of the present invention comprises first and second elongated frame members, each having opposite forward and rearward ends. The frame members are pivotally connected at their adjacent ends by hinge so as to be longitu... | 10/06/1987 |
| 4548070 | Apparatus for measuring undulatory deformations of the rolling surface of railroad rails It comprises a chassis (1) resting on at least one rail (3) by means of contact members (4, 4') connected to a vehicle (V) traversing the track. It comprises at least a detector (2) delivering an electric signal representing the distances separating a rec... | 10/22/1985 |
| 4417466 | Measuring method and device for measuring at least one geometrical characteristic of the head of the rails of a railway track A measuring carriage (2,4,6), defining a transverse reference base extending parallel to the plane of the railway track, intended to be connected to a driving vehicle. This carriage comprises three detectors (13, 14, 15) located above and transversely to ... | 11/29/1983 |
| 4403419 | Surface profile recorder A profile measuring apparatus is used to detect and record the variations in profile of a substantially planar surface and consists of a frame, front and rear rollers mounted to the frame, a follower rotatably mounted to the frame and extending outwardly ... | 09/13/1983 |
| 4288926 | Longitudinal rail profilometer Portable apparatus for use in measuring vertical deviation of the surface of a rail from a reference plane. The measuring device includes a pair of guide beams and a hand-powered carriage which move along the beams. A sensor, which follows undulations res... | 09/15/1981 |
| 4158258 | Elevation sampling terrain probe A surface contour sampling system is disclosed which intermittently measu the elevational irregularities in various and sundry surfaces, including those of the earth's terrain, model boards, and the like, with respect to a predetermined datum plane. A un... | 06/19/1979 |
| 4156971 | Contour measurement system A measurement system for measuring the departures from a straight line of discrete track sections of a track along a coal face in a mine employing a vehicle having a pair of spaced wheel assemblies which align with the track. A reference arm pivotally con... | 06/05/1979 |
| 4151655 | Wheel mounting integrity device A device to monitor the mounting and bearing integrity of a wheel mounted on an axle where a multiplicity of studs are used each having retainers therefore. A follower of generally dielectric material and having an electrical conductor is biased against t... | 05/01/1979 |
| 4137638 | Electromechanical survey vehicle and method A method and vehicle are disclosed for surveying terrain by providing data from which three-dimensional coordinates of the path of the vehicle on the terrain are calculated. The vehicle includes two members articulated to one another and each member is su... | 02/06/1979 |
| 4135304 | Profile indicating system for roadways A system for indicating or recording the profile of a roadway is disclosed having a support which can be mounted on a vehicle to travel along the roadway, grade sensors mounted on the support for providing a proportional signal indicative of the elevation... | 01/23/1979 |
| 4069590 | Rail wear measurement system A system for measuring rail wear includes an assembly movable along a railroad track and having displacement pickups adapted to respectively bear upon points on a top surface and on an inner side surface of each rail for the measuring of rail wear at thes... | 01/24/1978 |
