Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12410699 | Apparatus and method for measuring drilling parameters of a down-the-hole drilling operation for mineral exploration | Gordon Stewart | 2025-09-09 |
| 12091965 | Tape winch, drilling progress measurement and hole depth measurement | Gordon Stewart | 2024-09-17 |
| 11976551 | Devices, systems, and methods for wireless data acquisition during drilling operations | Christopher L. Drenth, Gordon Stewart, Brett James Wilkinson | 2024-05-07 |
| 11499410 | Devices, systems, and methods for wireless data acquisition during drilling operations | Christopher L. Drenth, Gordon Stewart, Brett James Wilkinson | 2022-11-15 |
| 11293245 | Deployment of downhole sensing devices | Gordon Stewart | 2022-04-05 |
| 5244459 | Suction irrigator endoscope | — | 1993-09-14 |
| 5064098 | Dual component dispenser gun | Charles G. Hutter, III | 1991-11-12 |
| D311839 | Tea kettle | Charles G. Hutter, III | 1990-11-06 |
| 4813368 | Musical tea kettle | Charles G. Hutter, III | 1989-03-21 |
| 4398110 | Harmonic electric actuator | David E. Flinchbaugh, Robert W. Shaffer, Thomas Wagner | 1983-08-09 |
| 4387784 | Stethoscope with improved resonant cavity amplification | — | 1983-06-14 |
| 4270627 | Stethoscope with probe sound pick-up and resonant cavity amplification | — | 1981-06-02 |