Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5804964 | Wire rope damage index monitoring device | Michel Hamelin | 1998-09-08 |
| 5565771 | Apparatus for increasing linear resolution of electromagnetic wire rope testing | Michel Hamelin | 1996-10-15 |
| 5411648 | Method and apparatus for on-line monitoring the quality of a purified metal sulphate solution | George Houlachi, M. Barakat I. Janjua, Gregory A. Wint, Vladimir M. Labuc | 1995-05-02 |
| 5106164 | Plasma blasting method | Jacques Nantel | 1992-04-21 |
| 4897577 | Electromechanically triggered spark gap switch | — | 1990-01-30 |
| 4884250 | Accelerometer for blast monitoring | David Sprott, Michel Menard | 1989-11-28 |
| 4845990 | Ultrasonic mine survey probe | Vladimir M. Labuc | 1989-07-11 |
| 4708495 | Metal surface temperature monitor | Vladimir M. Labuc | 1987-11-24 |
| 4619533 | Tuyere pyrometer | John M. Lucas, Vladimir M. Labuc, John G. Peacey, Albert Pelletier, Gregory A. Wint | 1986-10-28 |
| 4281290 | Voltage monitor | John G. Peacey, Ralph R. Ebersole, Jean-Claude Viens | 1981-07-28 |
| 4223549 | Oxygen monitoring circuit with built in testing means | — | 1980-09-23 |
| 4181699 | Apparatus for detecting the presence of a specific substance in a gas stream | — | 1980-01-01 |