Top Inventors at Water Refining All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Stephen H. Davis | 12 |
| 2 | Daniel Wayne Simpson | 2 |
| 3 | Donald J. Muckerheide | 2 |
| #4 | James E. Etzel | 2 |
| #5 | Karl C. Huff | 2 |
| #6 | Robert E. Wiegert | 2 |
| #7 | Allan S. Chace | 2 |
| #8 | Randy R. Stephens | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Stephen H. Davis | 12 |
| 2 | Daniel Wayne Simpson | 2 |
| 3 | Donald J. Muckerheide | 2 |
| #4 | James E. Etzel | 2 |
| #5 | Karl C. Huff | 2 |
| #6 | Robert E. Wiegert | 2 |
| #7 | Allan S. Chace | 2 |
| #8 | Randy R. Stephens | 1 |