Showing 1–17 of 17 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Robert J. Welch | Metro Industries | 4 |
| 2 | Paul Markelz | — | 1 |
| 2 | Joseph C. Weibler | The Curran | 1 |
| 2 | Paul DeCraene | Enginuity Communications | 1 |
| 2 | Craig M. Mattern | Amcol International | 1 |
| 2 | Donald Wostratzky | Ciba Specialty Chemicals | 1 |
| 2 | David Cuka | Motorola | 1 |
| 2 | Thomas Schumacher | Wpc Machinery | 1 |
| 2 | Ellen Leue | Ball Horticultural | 1 |
| 2 | Kenneth J. Shanton | Wiggins Teape Group Limited | 1 |
| 2 | Cornelis Van De Klippe | Greif International Holding B.V. | 1 |
| 2 | Kenneth LeVey | Illinois Tool Works | 1 |
| 2 | Owen Bailey | Delphi Technologies | 1 |
| 2 | Daniel Newitt | Steuben Foods | 1 |
| 2 | Richard Kassanits | Spraying Systems | 1 |
| 2 | Michael Bodnar | Furnas Electric | 1 |
| 2 | Edward J. Riggs | King Instrument | 1 |
Part of Illinois