| | Pat. No. |
Title |
| 1. |
5,663,502 -   - Method and apparatus for measuring thickness of layer using acoustic waves -
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| 2. |
5,661,241 - - Ultrasonic technique for measuring the thickness of cladding on the inside surface of vessels from the outside diameter surface -
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| 3. |
5,635,644 Apparatus for measuring a layer thickness using transverse waves of ultrasonic waves
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| 4. |
5,629,865 -
Pulse-echo ultrasonic imaging method for eliminating sample thickness variation effects -
|
| 5. |
5,608,165 - Ultrasonic thickness gauge for multilayer plastic fuel tanks -
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| 6. |
5,596,508 - High resolution measurement of a thickness using ultrasound -
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| 7. |
5,587,534 Wall thickness and flow detection apparatus and method for gas pipelines
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| 8. |
5,585,563 Non-contact thickness measurement using UTG
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| 9. |
5,583,828 Method and apparatus for detection of edge position thickness or splice position of a material web
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| 10. |
5,583,292 Ultrasonic measuring process for the wall thickness curve of a weld seam of a pipe
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| 11. |
5,549,004 Hand held tube wall thickness ultrasonic measurement probe and system
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| 12. |
5,493,911 System for measuring the ultrasonic velocity in the thickness direction of moving webs without errors due to delays in the onset of digitization
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| 13. |
5,448,915 Method for improving the accuracy of ultrasonic thickness measurements by calibrating for surface finish
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| 14. |
5,440,929 Ultrasonic device for measuring thickness of a tank bottom flat plate
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| 15. |
5,427,105 Measuring procedure for the thickness of the mucous membrane of an alveolar process
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| 16. |
5,418,823 Combined ultrasonic and eddy-current method and apparatus for non-destructive testing of tubular objects to determine thickness of metallic linings or coatings
|
| 17. |
5,388,976 Wall thickness measuring device with calibration device
|
| 18. |
5,346,379 Extruding device for extruding plastic tubing with a measuring device for measuring the wall thickness of the plastic tubing
|
| 19. |
5,329,561 Device for checking the thickness and the cohesion of the interface of a duplex tube
|
| 20. |
5,313,837 Ultrasonic thickness gage for pipe
|
| 21. |
5,225,148 Method for checking the thickness and the cohesion of the interface of a duplex tube
|
| 22. |
5,218,868 Signal processing method for magnetic-ultrasonic wall thickness measuring apparatus
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| 23. |
5,212,671 Ultrasonic probe having backing material layer of uneven thickness
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| 24. |
5,201,225 Instrument for measuring thickness of coated plate and method thereof
|
| 25. |
5,182,139 Ultrasonic realtime determination and display of thickness of chromium on gun barrels
|
| 26. |
5,168,469 Thickness and flaw detection using time mapping into memory technique
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| 27. |
5,156,636 Ultrasonic method and apparatus for measuring outside diameter and wall thickness of a tube and having temperature compensation
|
| 28. |
5,146,786 Rotary union for use with ultrasonic thickness measuring probe
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| 29. |
H1,084 Ultrasonic thickness measuring and imaging system and method
|
| 30. |
5,095,754 Apparatus and method for detection of icing onset and ice thickness
|
| 31. |
5,062,298 Non-contact wet or dry film thickness measuring device using eddy current and ultrasonic sensors
|
| 32. |
5,038,615 Ultrasonic multilayer paint thickness measurement
|
| 33. |
5,009,103 Ultrasonic thickness measuring method and apparatus
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| 34. |
4,991,440 Method of ultrasonically measuring thickness and characteristics of zirconium liner coextruded with zirconium tube
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| 35. |
4,955,225 Automatic calibration method for thickness gauges
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| 36. |
4,918,989 Ultrasonic method of measuring the thickness of the plating on a metal tube, the corresponding apparatus and its application to Zr plated alloy tubes
|
| 37. |
4,881,409 Multi-point wall thickness gage
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| 38. |
4,862,747 Measurement of the thickness of layers of material by ultrasonic interferometry
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| 39. |
4,840,066 Ultrasonic thickness gauge having automatic transducer recognition and parameter optimization and method thereof
|
| 40. |
4,833,660 Device for detecting the presence of frost and/or for measuring the thickness of frost by ultrasound and frost probe usable in such a device
|
| 41. |
4,823,801 Cornea thickness measuring ultrasonic probe
|
| 42. |
4,823,590 Automatic calibration method for thickness gauges
|
| 43. |
4,799,177 Ultrasonic instrumentation for examination of variable-thickness objects
|
| 44. |
4,789,431 Apparatus for sensing the thickness of a pulp suspension on the forming wire of a paper machine
|
| 45. |
4,768,940 Tube wall thickness measuring device and extrusion apparatus with the device
|
| 46. |
4,740,146 Apparatus for measuring and controlling the wall thickness of plastic pipes
|
| 47. |
4,719,808 Temperature-compensated ultrasonic measurement of wall thickness
|
| 48. |
4,715,008 Hand-held digital thickness gage
|
| 49. |
4,658,648 Method of and apparatus for the ultrasonic measurement of the thickness of test articles
|
| 50. |
4,640,131 Method and apparatus for the ultrasonic testing of bolts with a wall thickness discontinuity
|
| 51. |
4,625,556 Method of layer thickness measurement
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| 52. |
4,624,127 Method and apparatus for measurement of thickness utilizing ultrasonic pulses
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| 53. |
4,598,714 Apparatus for measuring the thickness of corneas
|
| 54. |
4,570,486 Ultrasonic thickness gauge circuit with transit path correction
|
| 55. |
4,546,773 Apparatus to measure conical thickness
|
| 56. |
4,545,248 Ultrasonic thickness gauge
|
| 57. |
4,520,672 Thickness measuring
|
| 58. |
4,512,194 Method and apparatus for controlling or measuring the thickness of material layers
|
| 59. |
4,475,080 Microwave moisture measurement of moving particulate layer after thickness leveling
|
| 60. |
4,437,332 Ultrasonic thickness measuring instrument
|
| 61. |
4,418,574 Magnetic method and apparatus for measuring wall thickness
|
| 62. |
D271,568 Ultrasonic wave thickness meter
|
| 63. |
4,413,517 Apparatus and method for determining thickness
|
| 64. |
4,398,421 Ultrasonic thickness measuring apparatus and method
|
| 65. |
4,398,420 System for measuring the wall thickness of an object
|
| 66. |
4,388,830 Method and apparatus for measurement of thickness utilizing ultrasonic pulses
|
| 67. |
4,353,257 Nondestructive system for testing the thickness of boiler tubes in boilers
|
| 68. |
4,334,433 Method and apparatus for measuring thickness of clad steel
|
| 69. |
4,324,141 Ultrasonic measurement of thickness
|
| 70. |
4,305,294 Ultrasonic apparatus and method for measuring wall thickness
|
| 71. |
D254,778 Ultrasonic wave thickness meter
|
| 72. |
4,196,607 Tube reduction apparatus with integral means for sensing wall thickness during a high speed tube drawing operation
|
| 73. |
4,182,155 Method and apparatus for zero point calibration of ultrasonic thickness gauge
|
| 74. |
4,152,380 Method of and apparatus for measuring and controlling the wall thickness of plastic pipes
|
| 75. |
4,137,025 Apparatus for measuring and controlling the wall thickness of plastic pipes
|
| 76. |
RE29,886 Methods of and apparatus for controlling the thickness of an annular extrusion
|
| 77. |
4,123,943 Method and apparatus for nondestructive ultrasonic measuring of cast engine cylinder wall thickness
|
| 78. |
4,070,917 Ultrasonic pulse-echo thickness and velocity measuring method
|
| 79. |
4,056,970 Ultrasonic velocity and thickness gage
|
| 80. |
4,044,606 Sensing thickness of a thin body disposed between two diverse surfaces
|
| 81. |
4,033,176 Pocket-sized, direct-reading ultrasonic thickness gauge
|
| 82. |
4,008,603 Ultrasonic method and apparatus for measuring wall thickness of tubular members
|
| 83. |
4,003,244 Ultrasonic pulse-echo thickness measuring apparatus
|
| 84. |
3,994,154 Ultrasonic pulse-echo thickness and velocity measuring apparatus
|
| 85. |
3,985,022 Ultrasonic thickness measuring method and apparatus
|
| 86. |
3,948,086 Pulse reflection type ultrasonic thickness meter
|