| Patent Number |
Title Of Patent |
Date Issued |
| 7576534 |
System and method to forecast the electrical conductivity of anodes for aluminum production before baking |
Aug. 18, 2009 |
| 7518359 |
Inspection of non-planar parts using multifrequency eddy current with phase analysis |
Apr. 14, 2009 |
| 7504898 |
High-frequency oscillator with a stacked film including a magnetization pinned layer |
Mar. 17, 2009 |
| 7466126 |
Universal sensor probe with adjustable members configured to fit between a plurality of slot openings of varying widths |
Dec. 16, 2008 |
| 7403872 |
Method and system for inspecting manufactured parts and sorting the inspected parts |
Jul. 22, 2008 |
| 7356421 |
Precise location of buried metallic pipes and cables in the presence of signal distortion |
Apr. 8, 2008 |
| 7250757 |
Apparatus and method for circuit analysis using magnetic and electromagnetic stimulation of the circuit for dual magnetic field imaging |
Jul. 31, 2007 |
| 6975108 |
Methods and devices for eddy current PCB inspection |
Dec. 13, 2005 |
| 6966816 |
Integrated endpoint detection system with optical and eddy current monitoring |
Nov. 22, 2005 |
| 6657430 |
Noncontact type magnetic hear wear-rate measuring apparatus |
Dec. 2, 2003 |
| 6643909 |
Method of making a proximity probe |
Nov. 11, 2003 |
| 6198280 |
Eddy current flexible field probe deployed through a loading platform |
Mar. 6, 2001 |
| 5963030 |
Pipe inspection apparatus and process |
Oct. 5, 1999 |
| 5841277 |
Hand-holdable probe having a flexible eddy current sensor |
Nov. 24, 1998 |
| 5748003 |
Microwaves used for determining fatigue and surface crack features on metal surfaces |
May. 5, 1998 |
| 5729133 |
Noncontact type magnetic head for detecting rate-of-wear in a rotating magnetic head |
Mar. 17, 1998 |
| 5623204 |
Eddy current probe |
Apr. 22, 1997 |
| 5537038 |
Magnetic flux measuring method and apparatus for detecting high frequency components of magnetic flux with high speed orientation |
Jul. 16, 1996 |
| 5509320 |
Method and apparatus for testing elongated objects having a non-circular cross-section |
Apr. 23, 1996 |
| 5473248 |
Method and apparatus for non-destructively detecting flaws in a carbon andode |
Dec. 5, 1995 |
| 5453291 |
FRP member and method of detecting internal damage therein |
Sep. 26, 1995 |
| 5430376 |
Combined thermoelectric and eddy-current method and apparatus for nondestructive testing of metallic of semiconductor coated objects |
Jul. 4, 1995 |
| 5418459 |
Method and apparatus for flaw detection using an AC saturating field generated by a first coil and an eddy current sensor second coil |
May. 23, 1995 |
| 5311128 |
Eddy current imaging system using spatial derivatives for flow detection |
May. 10, 1994 |
| 5146164 |
Eddy current flaw detection apparatus employing a resonance circuit |
Sep. 8, 1992 |
| 5146163 |
Method and apparatus having transversely offset eddy current sensors for detecting defect in elongated metal strip joined by way of welding |
Sep. 8, 1992 |
| 5140265 |
Eddy current flaw detecting endoscope apparatus which produces signals which control other devices |
Aug. 18, 1992 |
| 5101366 |
Method for controlling the manufacture of zirconium tubes |
Mar. 31, 1992 |
| 5041786 |
Method of nondestructively inspecting for flaws in metal stocks including selection of detection coil diameter. |
Aug. 20, 1991 |
| 5006800 |
Eddy current imaging apparatus and method using phase difference detection |
Apr. 9, 1991 |
| 4945307 |
Electronic device for detecting irregularities in a surface of a solid object |
Jul. 31, 1990 |
| 4930026 |
Flaw detector for magnetographic quality inspection |
May. 29, 1990 |
| 4924182 |
Eddy current method to measure distance between scanned surface and a subsurface defect |
May. 8, 1990 |
| 4864234 |
Transducers and method for making same |
Sep. 5, 1989 |
| 4864239 |
Cylindrical bearing inspection |
Sep. 5, 1989 |
| 4860756 |
Electromagnetic bone healing sensor using a multi-coil sensor array |
Aug. 29, 1989 |
| 4859940 |
Apparatus for detecting onset of slag entrainment in a molten metal stream |
Aug. 22, 1989 |
| 4825158 |
Method of detecting conductive material contained in glass fiber by detecting changes in amplitude and frequency of an oscillator and detecting apparatus therefor |
Apr. 25, 1989 |
| 4821204 |
Method and device for testing for flaws with the eddy-current principle |
Apr. 11, 1989 |
| 4819181 |
Performance increasing signal processing device |
Apr. 4, 1989 |
| 4799011 |
Process and device for detecting structural defects in a product utilizing differential detection of eddy currents |
Jan. 17, 1989 |
| 4767986 |
Oscillating transducers for monitoring the surface of elongated objects |
Aug. 30, 1988 |
| 4761610 |
Apparatus for determining the position of surface defects of a test objects with respect to an edge thereof |
Aug. 2, 1988 |
| 4755753 |
Eddy current surface mapping system for flaw detection |
Jul. 5, 1988 |
| 4706022 |
Rotating-probe defect detecting device |
Nov. 10, 1987 |
| 4673879 |
Eddy current flaw detector having rotatable field defining sleeve for selectively enhancing induced eddy currents in a workpiece |
Jun. 16, 1987 |
| 4644274 |
Apparatus for supporting an eddy current probe used to scan an irregular surface |
Feb. 17, 1987 |
| 4641092 |
Rotary probe apparatus for detecting flaws in a test object |
Feb. 3, 1987 |
| 4609870 |
Lift off compensation of eddy current crack detection system by controlling damping resistance of oscillator |
Sep. 2, 1986 |
| 4567437 |
Dual oscillator method for detecting flaws in a moving chain |
Jan. 28, 1986 |
