Quotables
"The radio craze will die out in time."
Thomas Edison ; 1922
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7685878 | Apparatus for structural testing of a cylindrical body Two transducers to be rotated around a circumferential location on a cylindrical body for structural testing of the body are carried on a mounting and drive apparatus including a magnetic attachment which can be manually brought up to a pipe from one side only for f... | 03/30/2010 |
| 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 |
| 6945113 | End-to-end ultrasonic inspection of tubular goods The present technique provides a system and method for ultrasonically testing a tubular good along the entire axial length of the material using a single ultrasonic test assembly. The ultrasonic test assembly has an ultrasonic tubular inspection unit movable lengthw... | 09/20/2005 |
| 6799466 | Guided acoustic wave inspection system A system for inspecting a conduit for undesirable characteristics. A transducer system induces guided acoustic waves onto said conduit. The transducer system detects the undesirable characteristics of the conduit by receiving guided acoustic waves that contain infor... | 10/05/2004 |
| 6772636 | Pipe flaw detector A detector for detecting a location of a flaw on a tubular member, the tubular member having a longitudinal axis, the detector having a body, dial rotatably mounted to the body, the dial with directions indications thereon for indicating position of the dial with re... | 08/10/2004 |
| 6434207 | Inspection method and apparatus for piping Nuclear fuels are taken from a nuclear reactor pressure vessel, a rail for running is mounted under the reactor pressure vessel drain piping in parallel with a horizontal portion of the reactor pressure vessel drain piping inside a pedestal positioned on ... | 08/13/2002 |
| 6222897 | Wrist raster scan methods Scan methods of inspecting piping and welds of a pipe elbow in a reactor pressure vessel of a boiling water reactor are disclosed. The scan apparatus includes a motor connected to a scan head having two ultrasonic transducer probes each including an ultra... | 04/24/2001 |
| 5969255 | System and method of ultrasonic inspection of tubular members A system for ultrasonic inspection of a tubular member using an ultrasonic inspection unit having a platform, a guide member with a longitudinal axis, a wheel connected to the platform and contacting a surface of the tubular member for moving the platform... | 10/19/1999 |
| 5686668 | System and method of ultrasonic inspection of tubular members A cart for inspecting a drill pipe having a platform with an ultrasonic inspection unit thereon, a first pair of wheels connected to the platform so as to move the platform longitudinally along the drill pipe relative to a rotation of the drill pipe, and ... | 11/11/1997 |
| 5679898 | Process and device for detecting flaws on stretched workpieces, especially tubes and bars A process for detecting flaws on stretched workpieces, especially tubes and bars, in which the test specimen is passed in the axial direction and without rotation by fixed electrodynamic transducers arranged separately in the peripheral direction. Wave pu... | 10/21/1997 |
| 5641909 | Scan assembly structure Apparatus is disclosed for providing one hundred percent inspection of natural gas mains under operating flow conditions. The apparatus includes a scan unit assembly which is inserted into the gas main to collect data for the production of graphic images ... | 06/24/1997 |
| 5619423 | System, method and apparatus for the ultrasonic inspection of liquid filled tubulars and vessels The invention relates to an improved system, method and apparatus for the external ultrasonic inspection of fluidized tubulars and tanks. The apparatus utilizes couplantless, contactless, computer controlled, Electromagnetic Acoustic Transducer (EMAT) pro... | 04/08/1997 |
| 5585565 | Method for the ultrasonic inspection of pipe and tubing and a transducer assembly for use therewith A transducer assembly and method for the ultrasonic inspection of tubing. An elastic membrane is used to form a reservoir of ultrasonic fluid coupled to ultrasonic transducers with the membrane conforming to the surface of the tubing being inspected. Guid... | 12/17/1996 |
| 5583292 | Ultrasonic measuring process for the wall thickness curve of a weld seam of a pipe An ultrasonic measuring process is disclosed for measuring the wall thickness variation in the region of the welding seam of a pipe. At least two testing heads are each acoustically coupled to the pipe by a water jet. The acoustic entry zones of the testi... | 12/10/1996 |
| 5535628 | Ultrasonic scanner head and method A scanner head for ultrasonic testing of structures includes a carriage with rollers supporting the carriage for movement over a surface being tested in a selected direction. A transverse frame is supported by the carriage and extends in a second directio... | 07/16/1996 |
| 5113697 | Process and apparatus for detecting discontinuities on long workpieces Process and apparatus for the detection of discontinuities in long workpieces such as pipes, tubes, rods and bars using vibrational transducer equipment transmitter pulses in separate directions about the workpiece.... | 05/19/1992 |
| 5007291 | Ultrasonic inspection apparatus with centering means for tubular members Pipe inspection apparatus comprising transducers for transmitting pulsed beams of ultrasonic energy longitudinally, transversely and obliquely into the wall of the pipe for detection of flaws. The apparatus includes a motor driven chuck 18 for rotating th... | 04/16/1991 |
| 4995320 | Carriage for inspecting a piping A carriage for inspecting a pipe, which has inspection instruments on board and which travels on the outer surface of the pipe, comprises a support member for carrying the inspection instruments, a pair of first wheeled travel bodies each of which include... | 02/26/1991 |
| 4909091 | Method and apparatus for the detection of corrosion or the like A method and an apparatus for the detection of corrosion, pitting or the like in pipelines is proposed and measured results produced in an appropriate manner are digitally converted, linked with measured values concerning the place and azimuth of the indi... | 03/20/1990 |
| 4893512 | Swinging-type automatic examination apparatus for piping A swinging-type apparatus for automatically examining pipes includes first and second clamping devices provided at the ends of an extendible body. The first clamping device is made to clamp a first pipe, the second clamping device is made to unclamp the f... | 01/16/1990 |
| 4718277 | Method and apparatus for characterizing defects in tubular members An ultrasonic inspection device having an array of opposing transducers that longitudinally, transversely, and obliquely transmit sonic beams through tubular members having a range of diameters such that refracted beams meet on the inner surface of the me... | 01/12/1988 |
| 4700572 | Automatic ultrasonic flaw detecting system An automatic ultrasonic flaw detecting system adapted to search flaws on steel pipes being continuously transferred and provide markings at the positions of flaws on the steel pipes. The system comprises a probe adapted to search flaws on the steel pipe, ... | 10/20/1987 |
| 4691572 | Transducing device for contactless ultrasonic inspection of pipelines or tubings A transducing device for contactless ultrasonic inspection of pipelines or tubings is provided. The device has a means for electromagnetically generating elastic waves within the wall of the pipeline or tubing to be inspected and means for mounting and mo... | 09/08/1987 |
| 4679437 | Method of detecting flaws in thick wall steel pipe with ultrasonic angle beam technique A method of reliably detecting flaws in a thick wall steel pipe with an ultrasonic beam in which flaws of the internal surface of the pipe are detected using a shear wave mode. The transmitting probe is disposed slantingly relative to both the longitudina... | 07/14/1987 |
| 4672852 | Test manipulator externally applicable to a pipe A test manipulator externally applicable to a pipe, preferably for ultrasonically testing welded seams, the manipulator having a divided race for surrounding a pipe which is to be tested, a guide segment guiding the race at the periphery thereof, a test s... | 06/16/1987 |
| 4665734 | Method and installation for selective detection of defects in a workpiece For selective detection of microscopic defects in a workpiece to be checked presenting at least one macroscopic discontinuity of known nature, upon relative motion in respect to such workpiece according to a given check line, detecting the times when such... | 05/19/1987 |
| 4663727 | Ultrasonic inspection system An ultrasonic inspection system for inspecting areas of tubular members and providing a display of any internal flaws therein. In order to operate in a confined work space a probe containing ultrasonic transducers is provided together with a rotational an... | 05/05/1987 |
| 4655085 | Trackless scanner A trackless scanner for examination of pipings comprises an annular base removably mountable to a plant pipe to be examined, and a plurality of drive wheels for running supported on the base and being in contact with the plant pipe. Each of the drive whee... | 04/07/1987 |
| 4627289 | Method for the ultrasonic flaw detection of an electric welded pipe An ultrasonic flaw detection method in which defects in the weld zone of an electric resistance welded steel pipe are detected by projecting an ultrasonic wave (a) having a frequency range of from 25 MHz to 500 MHz at an angle of incidence of from 0° to ... | 12/09/1986 |
| 4586379 | Ultrasonic pipe inspection system Remote-controlled system for moving an ultrasonic transducer assembly around a pipe where it has a welded joint between a straight pipe section and a curved or straight pipe section. The system includes a platform movable along an arm projecting from a ca... | 05/06/1986 |
| 4581938 | Tool for scanning the inner surface of a large pipe A tool (100) for scanning the inner surface (110) of a pipe (106), comprising a scanning section (112) interacting with a centering section (114). The scanning section includes an axle member (128) having strut members (130) rigidly connected thereto and ... | 04/15/1986 |
| 4550605 | Hopping mechanism for pipe and coupling inspection probe The invention relates to nondestructive inspection apparatus for automatically inspecting the end region of a tubular member and a coupling member secured to that end region. An inspection probe is yieldingly received within a housing that is pivotally su... | 11/05/1985 |
| 4541064 | Process for ultrasonic testing of tubular goods A method for ultrasonic flaw inspection of non-rotating tubular goods using microprocessor central control. The system includes a test head with circumferential arrays of transducers oriented for inspection for each of transverse, longitudinal and wall th... | 09/10/1985 |
| 4539847 | Acoustic method and apparatus for measuring thickness of a coating layer on a substrate A method or system for measuring thickness of a coating layer on a substrate. It employs acoustic energy and involves transmitting a sweep of frequencies covering a predetermined range through the substrate and its coating. The energies reflected back by ... | 09/10/1985 |
| 4531409 | Test system for defect determination in welding seams A system for non-destructive testing of metallic materials and for, in particular, welding seams. An ultrasonic sensor is employed and ultrasonic defect signals are producted according to the pulse echo method. The ultrasonic defect signals are digitized ... | 07/30/1985 |
| 4531413 | Ultrasonic flaw detector driving apparatus of a trackless type An ultrasonic flaw detector driving apparatus with no guide rail and including a traveling member (2) capable of being freely mounted to and dismounted from piping (1) to be inspected, and a turning member (3) detachably attached to the traveling member f... | 07/30/1985 |
| 4516429 | Method for testing the total length of extended round material such as pipes and bars, and device to carry out the method A method and apparatus for testing the entire length of round material, such as pipes, helically moving in a longitudinal direction. Testing mechanisms are maintained along the path of the pipe and are adapted to move with the pipe to test the pipe in mot... | 05/14/1985 |
| 4475399 | Apparatus for ultrasonic testing of tubular goods Apparatus for ultrasonic flaw inspection of non-rotating tubular goods. The apparatus includes a test head with circumferential arrays of transducers oriented for inspection for each of transverse, longitudinal and wall thickness defects, and the test hea... | 10/09/1984 |
| 4434660 | Ultrasonic inspection and deployment apparatus An ultrasonic inspection apparatus for the inspection of metal structures, especially installed pipes. The apparatus combines a specimen inspection element, an acoustical velocity sensing element, and a surface profiling element, all in one scanning head.... | 03/06/1984 |
| 4368644 | Tool for inspecting defects in irregular weld bodies A tool for manipulating an ultrasonic inspection transducer is actuated to move the transducer over the surface of an irregular weld body. The weld body disclosed, joins the nozzle of a reactor vessel to its vessel, the irregularity of the weld body defin... | 01/18/1983 |
