Top Inventors at Groundmetrics All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Andrew D. Hibbs | 10 |
| 2 | Alberto Marsala | 3 |
| 3 | Eli N. Glezer | 2 |
| #4 | Greg Nieuwenhuis | 2 |
| #5 | Michael J. Wilt | 2 |
| #6 | Clifford J. Schenkel | 1 |
| #7 | George Eiskamp | 1 |
| #8 | H Frank Morrison | 1 |
| #9 | Karl Kappler | 1 |
| #10 | Todor P. Petrov | 1 |