Saint Charles, MO ranks #3,916 worldwide for total patents filed in 2021, with 29 patents from 18 inventors. Leading employers of inventors based in Saint Charles, MO include The Boeing, Mastercard, Bausch & Lomb Incorporated.
Showing 1–18 of 18 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | James M. Ethington | The Boeing | 5 |
| 2 | Jeffrey M. Roach | The Boeing | 4 |
| 3 | Thomas W. Omohundro | The Boeing | 3 |
| #4 | Michael Proctor | Mastercard | 2 |
| #4 | Aarti Sharma | Mastercard | 2 |
| #6 | James T. Perkins | Bausch & Lomb Incorporated | 1 |
| #6 | Brian L. Davis | Union Pacific Railroad | 1 |
| #6 | Paul J. Haug | The Boeing | 1 |
| #6 | Robert Birch | The University Of Queensland | 1 |
| #6 | Gregg Robert Bogucki | The Boeing | 1 |
| #6 | Angel Rodriguez | Siemens Aktiengesellschaft | 1 |
| #6 | Christopher Conrad Rehagen | Nike | 1 |
| #6 | Matthew R. Wicks | Intel | 1 |
| #6 | Kevin Swearingen | The Boeing | 1 |
| #6 | Jeffrey M. Uehling | IBM | 1 |
| #6 | Matthew A. Coffman | The Boeing | 1 |
| #6 | Craig S. Reichert | Hussmann | 1 |
| #6 | Matthew D. Kisler | National Instruments | 1 |
Part of Missouri