Top Inventors at Drum Workshop All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Donald G. Lombardi | 40 |
| 2 | Richard A. Sikra | 31 |
| 3 | John J. Good | 12 |
| #4 | Andrzej Krol | 8 |
| #5 | Sergio G. Bonsignore | 7 |
| #6 | Victor Filonovich | 7 |
| #7 | Rich Sikra | 6 |
| #8 | Connor Lombardi | 4 |
| #9 | Mark Moralez | 4 |
| #10 | Marcus Ryle | 4 |
| #11 | Paul Piscoi | 4 |
| #12 | Ruben Steinhauser | 3 |
| #13 | Ray Enhoffer | 2 |
| #14 | Richard Simons | 2 |
| #15 | Akbar Moghaddam | 2 |
| #16 | Chatchai Chandontrikit | 1 |
| #17 | Dave COONS | 1 |
| #18 | Jeff R. Falkner, Jr. | 1 |
| #19 | Jeff Sallee | 1 |
| #20 | John J. Goods | 1 |
| #21 | Mark A. Schnose | 1 |
| #22 | Michael Paul | 1 |
| #23 | Robert Gatzan | 1 |
| #24 | Scott Donnell | 1 |
| #25 | Thomas M Schwarz | 1 |
| #26 | Christopher Orberg | 1 |
| #27 | Piya Chandontrikit | 1 |
| #28 | Peter Erskine | 1 |
| #29 | Anton Sutej | 1 |