Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12385865 | Lead detection system for underground pipes | Charles A. Hansen, Sean Blottie, Matthew Campos, Thomas VanBergen, Janine Mullinix +3 more | 2025-08-12 |
| 12105040 | Lead detection system for underground pipes | Charles A. Hansen, Sean Blottie, Matthew Campos, Thomas VanBergen, Janine Mullinix +3 more | 2024-10-01 |
| 10816431 | Leak detection system for underground access chambers using conductivity | Charles A. Hansen, Mark Grabowski, Sean Blottie, Cory Peters, Sonja Hansen +1 more | 2020-10-27 |