Top Inventors at Tubemaster All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Clifford L. Johns | 23 |
| 2 | Daniel D. Sympson | 12 |
| 3 | Dennis Patrick McAndrews | 6 |
| #4 | August M. Dattilo, III | 4 |
| #5 | Douglas K. Cornett | 4 |
| #6 | Manfred Schmidt | 4 |
| #7 | Munaf Chasmawala | 4 |
| #8 | Paul D. Gossen | 2 |
| #9 | Christopher G. Johns | 1 |
| #10 | Guillermo Camoriano | 1 |
| #11 | Samuel Richard Gates | 1 |
| #12 | Stephen W. Brewer | 1 |
| #13 | Wayne Howard Franklin | 1 |