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Sonde devices including a sectional ferrite core structure |
Mark S. Olsson, Justin W. Taylor, Ray Merewether |
2021-11-30 |
| 11137513 |
Inductive clamp devices, systems, and methods |
Mark S. Olsson, Hunter Brown, Stephanie M. Bench, Justin W. Taylor |
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| 11117150 |
Trackable dipole devices, methods, and systems for use with marking paint sticks |
Mark S. Olsson, James F. Kleyn |
2021-09-14 |
| 11119238 |
Satellite and magnetic field sonde apparatus and methods |
Mark S. Olsson, Jesse O. Casares, Stephanie M. Bench, Ray Merewether, David A. Cox +1 more |
2021-09-14 |
| 10983239 |
Multi-frequency locating systems and methods |
Mark S. Olsson, David A. Cox, Stephanie M. Bench, Timothy M. Turner, Ryan B. Levin +1 more |
2021-04-20 |
| 10928538 |
Keyed current signal utility locating systems and methods |
Mark S. Olsson, Stephanie M. Bench, Inho Andy Shin, Ray Merewether |
2021-02-23 |