Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11446615 | Static mixing devices and method of manufacture | Izak Nieuwoudt | 2022-09-20 |
| 10258936 | Contact tray for a mass transfer column | Izak Nieuwoudt, Charles A. Griesel | 2019-04-16 |
| D816188 | Tray valve cover | Charles A. Griesel, Izak Nieuwoudt | 2018-04-24 |