Top Inventors at Research-Cottrell All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Dennis J. Helfritch | 5 |
| 2 | Paul L. Feldman | 5 |
| 3 | Robert J. Gleason | 4 |
| #4 | Frederick E. Hankins | 3 |
| #5 | Marcel R. Lefevre | 3 |
| #6 | Asim B. Ray | 3 |
| #7 | Dennis H. Sapp | 2 |
| #8 | Edward L. Biedell | 2 |
| #9 | Philip Efthimion | 2 |
| #10 | Robert J. Ferb | 2 |
| #11 | William Andrews | 2 |
| #12 | Bruce Weinstein | 1 |
| #13 | Chin T. Sui | 1 |
| #14 | David W. Stackhouse | 1 |
| #15 | David Anthony Wagner | 1 |
| #16 | Eng J. Chou | 1 |
| #17 | Franz Kallinger | 1 |
| #18 | Gary James Grieco | 1 |
| #19 | James W. Robinson | 1 |
| #20 | John R. Bush | 1 |
| #21 | Krishnaswamy Sampathkumar | 1 |
| #22 | Mark Richman | 1 |
| #23 | Paul E. Cooke | 1 |
| #24 | Richard S. Atkins | 1 |
| #25 | Richard T. Riehl | 1 |
| #26 | Steven J. Bortz | 1 |
| #27 | Stephen C. Heidl | 1 |
| #28 | William D. Byrd | 1 |
| #29 | Robert E. DuBrock, Jr. | 1 |
| #30 | Harold E. Van Hoesen | 1 |
| #31 | Peter P. Bibbo | 1 |
| #32 | Richard Jakoplic | 1 |
| #33 | John W. Podlenski | 1 |
| #34 | Donald J. Kohout | 1 |
| #35 | John H. Umberger | 1 |
| #36 | Stephen J. Kohke | 1 |
| #37 | Anthony M. DePalma | 1 |