Top Inventors at Perma-Pipe All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Douglas S. Bailey | 4 |
| 2 | John G. Carusiello, JR. | 2 |
| 3 | Steven Kubicek | 2 |
| #4 | Billy Ervin | 1 |
| #5 | Glen Pfanner | 1 |
| #6 | Hank Reuser | 1 |
| #7 | Robert Appleby | 1 |
| #8 | Sandeep Adka | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Douglas S. Bailey | 4 |
| 2 | John G. Carusiello, JR. | 2 |
| 3 | Steven Kubicek | 2 |
| #4 | Billy Ervin | 1 |
| #5 | Glen Pfanner | 1 |
| #6 | Hank Reuser | 1 |
| #7 | Robert Appleby | 1 |
| #8 | Sandeep Adka | 1 |