Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6356846 | System and method of reducing motion-induced noise in the optical detection of an ultrasound signal in a moving body of material | Charles C. Habeger, Jr., Emmanuel Lafond, Joseph P. Gerhardstein | 2002-03-12 |
| 6115127 | Non-contact measurements of ultrasonic waves on paper webs using a photorefractive interferometer | Emmanuel Lafond | 2000-09-05 |
| 5979664 | Methods and apparatus for acoustic fiber fractionation | — | 1999-11-09 |
| 5814730 | Material characteristic testing method and apparatus using interferometry to detect ultrasonic signals in a web | Yves H. Berthelot, Joseph P. Gerhardstein, Mont A. Johnson | 1998-09-29 |
| 5803270 | Methods and apparatus for acoustic fiber fractionation | — | 1998-09-08 |
| 5780744 | Out-of-plane ultrasonic velocity measurement | Maclin S. Hall, Theodore G. Jackson | 1998-07-14 |
| 5493911 | System for measuring the ultrasonic velocity in the thickness direction of moving webs without errors due to delays in the onset of digitization | Maclin S. Hall, Theodore G. Jackson | 1996-02-27 |