Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5229085 | Utilization of oxygen in leaching and/or recovery procedures employing carbon | Robert J. Brison, Phillip Mitchell | 1993-07-20 |
| 5133837 | Dimpled plate multi-stage flash evaporator | Kyle Infante | 1992-07-28 |
| 5096543 | Carrier gas apparatus for evaporation and condensation | — | 1992-03-17 |
| 5089087 | Make-up liquor and black liquor evaporating process during pulp production | Mark A. Mullen, George D. Emery, Timothy Carter | 1992-02-18 |
| 4955482 | Screen cleaning in cil & cip systems | Phillip Mitchell | 1990-09-11 |
| 4900430 | Screen cleaning in CIL and CIP systems | Phillip Mitchell | 1990-02-13 |
| 4897157 | Make-up liquor and black liquor evaporating processing during pulp production | Mark A. Mullen, George D. Emery, Timothy Carter | 1990-01-30 |
| 4867845 | Vertical steaming vessel | — | 1989-09-19 |
| 4816234 | Utilization of oxygen in leaching and/or recovery procedures employing carbon | Robert J. Brison, Phillip Mitchell | 1989-03-28 |
| 4786363 | Radial skin evaporator | Charles W. Dier | 1988-11-22 |
| 4756797 | Multiple effect evaporator with an evaporative condenser as a liquid evaporation effect | Timothy Carter | 1988-07-12 |
| 4754953 | Utilization of oxygen in leaching and/or recovery procedures employing carbon | Robert J. Brison, Phillip Mitchell | 1988-07-05 |
| 4721526 | Heap leaching with oxygen | Phillip Mitchell, Robert J. Brison | 1988-01-26 |
| 4673459 | Radial configuration of evaporator heating elements and method | Paul L. Sherman, Daniel A. McGrath | 1987-06-16 |
| 4638855 | Heat exchange treatment of fluids | Ted M. Poulin, Mark D. Barrett | 1987-01-27 |
| 4629502 | Pressurized reaction of refractory ores with heat recovery | Michael I. Sherman, Robert J. Brison | 1986-12-16 |
| 4612286 | Acid hydrolysis of biomass for alcohol production | Michael I. Sherman | 1986-09-16 |
| 4557905 | Leaching and washing a flocculated slurry having a fiber content | Michael I. Sherman, Robert J. Brison | 1985-12-10 |
| 4519446 | Surface condenser/water heating | Ted M. Poulin, Mark D. Barrett | 1985-05-28 |
| 4514910 | Dehydration of lignite or the like | Erwin D. Funk | 1985-05-07 |
| 4501721 | Leaching and washing a flocculated slurry having a fiber content | Michael I. Sherman, Robert J. Brison | 1985-02-26 |
| 4436586 | Method of producing kraft pulp using an acid prehydrolysis and pre-extraction | — | 1984-03-13 |
| 4416567 | Method and apparatus for transporting mined particles from an elevated site | Erwin D. Funk | 1983-11-22 |
| 4365974 | Apparatus for solubilizing and oxidizing of peat | Erwin D. Funk, Ted M. Poulin | 1982-12-28 |