Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11898221 | Activation system and method for enhancing metal recovery during atmospheric leaching of metal sulfides | David J. Chaiko, Sara (Sally) Rocks, Carlos Eyzaguirre | 2024-02-13 |
| 11124856 | System and method for enhanced metal recovery during atmospheric leaching of metal sulfides | David J. Chaiko, Sara (Sally) Rocks, Carlos Eyzaguirre | 2021-09-21 |
| 10781501 | Activation system and method for enhancing metal recovery during atmospheric leaching of metal sulfides | David J. Chaiko, Sara (Sally) Rocks, Carlos Eyzaguirre | 2020-09-22 |
| 10689732 | Methods for controlling iron via magnetite formation in hydrometallurgical processes | David J. Chaiko, Sara (Sally) Rocks | 2020-06-23 |
| 10023935 | System and method for enhanced metal recovery during atmospheric leaching of metal sulfides | David J. Chaiko, Tom Walters, Sarah (Sally) Rocks, Carlos Eyzaguirre | 2018-07-17 |
| 10000389 | System and method for controlling frothing during atmospheric leaching of metal sulphides using silicates | David J. Chaiko, Tom Walters, Sarah (Sally) Rocks, Gary Roy, Carlos Eyzaguirre | 2018-06-19 |
| 9289701 | Open-channel feed dilution system for a thickener or settling tank | Timothy J. Laros | 2016-03-22 |
| 7988865 | Feedwell dilution system for thickeners in oil sands | Timothy J. Laros | 2011-08-02 |
| 4359376 | Recovering copper from a copper-bearing source | Bruce C. Wojcik, Alexander A. Jueschke, Daniel Lewis, Jack C. Otto, Lawrence L. Tuttle | 1982-11-16 |
| 4290865 | Recovering copper from a copper-bearing source | Bruce C. Wojcik, Alexander A. Jueschke, Daniel Lewis, Jack C. Otto, Lawrence L. Tuttle | 1981-09-22 |
| 4282082 | Slurry electrowinning apparatus | Robert D. Cook, Robert C. Emmett, Jr., Bruce C. Wojcik | 1981-08-04 |
| 4256553 | Recovering copper from chalcopyrite concentrate | Bruce C. Wojcik, Alexander A. Jueschke, Daniel Lewis, Jack C. Otto, Lawrence L. Tuttle | 1981-03-17 |