Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6911935 | Field interchangeable level measurement system | — | 2005-06-28 |
| 6898151 | Acoustic pulse echo ranging system | — | 2005-05-24 |
| 6864833 | Time-base generator with self-compensating control loop | — | 2005-03-08 |
| 6865137 | Method for pulse offset calibration in time of flight ranging systems | Perry Dirkx | 2005-03-08 |
| 6771560 | Method and apparatus for on-board calibration in pulse-echo acoustic ranging system | Claude Mercier | 2004-08-03 |
| 6298008 | Pulse-echo system for mediums having varying densities | Steven J. Woodward | 2001-10-02 |