Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11885028 | Method of selectively interrupting a passive cathodic protection unit from a metallic structure | Antonio Laranjo da Costa, Lucas Kiese Holzen | 2024-01-30 |
| 11753729 | Cathodic protection monitoring system | Antonio Laranjo da Costa, Lucas Kiese Holzen | 2023-09-12 |
| 4892042 | Combination bottom outlet saddle and sump | Thomas H. Dalrymple, Walter T. Croson | 1990-01-09 |