Top Inventors at Pittsburgh Corning All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Harry A. Fleming, Jr. | 7 |
| 2 | Donald E. Hock | 4 |
| 3 | Robert L. Wehman | 4 |
| #4 | Robert M. McMarlin | 3 |
| #5 | Brandon Alan Stambaugh | 2 |
| #6 | Edward F. Fosnaught | 2 |
| #7 | Francis J. Zavada | 2 |
| #8 | Nicholas T. Loomis | 2 |
| #9 | Peter R. Atherton | 2 |
| #10 | Ralph J. Harrison | 2 |
| #11 | Richard Y. Greene | 2 |
| #12 | Steven Robert Badger | 2 |
| #13 | Thomas J. Pirosko | 2 |
| #14 | Colin J. Hudson | 1 |
| #15 | Donald L. Moses | 1 |
| #16 | Gregory D. Miller | 1 |
| #17 | John Kijowski | 1 |
| #18 | John D. Kirkpatrick | 1 |
| #19 | John T. Verch | 1 |
| #20 | Kenneth J. Erickson | 1 |
| #21 | Larell Harris | 1 |
| #22 | Mary L. Bruce | 1 |
| #23 | Michael Scott Rae | 1 |
| #24 | Peter S. Aldridge | 1 |
| #25 | Robert W. Linton | 1 |
| #26 | Shridhar B. Joshi | 1 |
| #27 | Dwight A. Heming | 1 |
| #28 | Neil Birks | 1 |
| #29 | Chester P. Smolenski | 1 |
| #30 | Charles A. Francik | 1 |
| #31 | Alex W. Orlowski | 1 |