Top Inventors at Phg Energy All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Deon John Potgieter | 5 |
| 2 | Jeffrey S. Brown | 5 |
| 3 | Mark Oliver Loftin | 5 |
| #4 | Billy Freeman Hopper | 4 |
| #5 | Douglas R. Bull | 1 |
| #6 | Gerald M. Cox | 1 |
| #7 | Paul Cairney | 1 |
| #8 | Ross M. Patten | 1 |
| #9 | Tom Stanzione | 1 |
| #10 | William P. Jepson | 1 |