Showing 1–25 of 25 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | John Alexander | Manitowoc Crane Companies | 15 |
| 2 | William L. Siegel | Rolls-Royce North America | 13 |
| 3 | David L. Coursen | E.I. Du Pont De Nemours And | 9 |
| #4 | Derek J. Small | Myat | 7 |
| #5 | Troy Young | Jlg Industries | 4 |
| #5 | Vincent Ishler | Rampf Molds Industries | 4 |
| #5 | Claude R. Zimmerman | Grove U.S. L.L.C. | 4 |
| #8 | Gerald W. Spessard | University Of Maryland, College Park | 3 |
| #8 | Donald R. Pottorff | Walter Kidde & Co. | 3 |
| #8 | Steven Stuart Trevitz | Mack Trucks | 3 |
| #11 | Brian Hoover | Endress+Hauser Group Services Ag | 2 |
| #11 | Gerald E. Lute | Jlg Industries | 2 |
| #11 | Thomas E. Hill | Roland | 2 |
| #11 | Hayes R. Mellott | — | 2 |
| #11 | Philip R. Keller | — | 2 |
| #11 | Mark A. Harbold | Manitowoc Crane Companies | 2 |
| #17 | Donnie L. Martin | — | 1 |
| #17 | Edward Lee Heffner | — | 1 |
| #17 | Cindy E. Hoover | — | 1 |
| #17 | Janie Reed | — | 1 |
| #17 | Bryan Burnworth | Johnson Controls Technology | 1 |
| #17 | Jason L. Petre | — | 1 |
| #17 | Samuel H. Mellott | — | 1 |
| #17 | Kirby Williams Reese | — | 1 |
| #17 | Philip Davis | — | 1 |
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