Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11351512 | Quick-connect mixer impeller coupling | William D. Dunfee, Gregory D. Ariff, Stephen Krufka | 2022-06-07 |
| 10737228 | Phase-modulated standing wave mixing apparatus and methods | Stephen Krufka, Antoine Elias Haddad | 2020-08-11 |
| 6648551 | Method for stabilizing and reducing permeability of geologic or waste materials | — | 2003-11-18 |
| 5702614 | Fluid treatment method | — | 1997-12-30 |
| 4448604 | Recovery of precious metals from leach residues | Joseph G. Day | 1984-05-15 |