Issued Patents 2023
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11846095 | High frequency AC-powered drain cleaning and inspection apparatus and methods | Mark S. Olsson, Jan Soukup, Inho Andy Shin, David A. Cox, Alexander L. Warren | 2023-12-19 |
| 11842474 | Pipe inspection system camera heads | Mark S. Olsson, Michael J. Martin, Ray Merewether, Tran M. Nguyen | 2023-12-12 |
| 11789093 | Three-axis measurement modules and sensing methods | Mark S. Olsson, Allen P. Hoover, Sequoyah Aldridge | 2023-10-17 |
| 11768308 | Systems and methods for electronically marking, locating and virtually displaying buried utilities | Mark S. Olsson, Michael J. Martin, Ray Merewether | 2023-09-26 |
| 11686878 | Electromagnetic marker devices for buried or hidden use | Mark S. Olsson, Matthew D. Bockman | 2023-06-27 |
| 11674906 | Self-leveling inspection systems and methods | Mark S. Olsson, Roger B. Shaffer, Ray Merewether, Michael J. Martin, David A. Cox | 2023-06-13 |
| 11635479 | Auto-tuning circuit apparatus and methods | Mark S. Olsson, Jan Soukup | 2023-04-25 |
| 11624851 | Electronic marker devices and systems | Mark S. Olsson, Ray Merewether, Jan Soukup | 2023-04-11 |
| 11621099 | Coaxial video push-cables for use in inspection systems | Mark S. Olsson, Alexander L. Warren, Ray Merewether | 2023-04-04 |