Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5919038 | Method for the calcination of calcium carbonate bearing materials | Gerald J. Labelle, William E. Lindquist, Michael Prokesch | 1999-07-06 |
| 5782973 | Cement dust recovery system | Michael Prokesch | 1998-07-21 |
| 5772937 | Method to produce aggregate products | Michael Prokesch | 1998-06-30 |
| 5685709 | Apparatus for heat treatment of lime sludge | — | 1997-11-11 |
| 5556459 | Method for the reduction of SO.sub.2 emissions as generated by the fluid bed cement process | Michael Prokesch | 1996-09-17 |
| 5354375 | Lime sludge treatment process | — | 1994-10-11 |
| 5260041 | Method for the calcination of limestone | Michael Prokesch, William E. Lindquist | 1993-11-09 |
| 5188668 | Cement advanced furnace and process | Anthony F. Litka | 1993-02-23 |
| 5132102 | Method for heat treatment of fines with atmosphere control | William E. Lindquist, Barry W. Diamond | 1992-07-21 |
| 5118288 | Cement advanced furnace and process | Anthony F. Litka | 1992-06-02 |
| 4682948 | Method and apparatus for producing cement clinker including white cement | — | 1987-07-28 |
| 4668182 | Apparatus for calcining gypsum | — | 1987-05-26 |
| 4626198 | Method and apparatus for producing dead burnt materials | — | 1986-12-02 |
| 4626200 | Shaft kilns having fluid-bed air heater | — | 1986-12-02 |
| 4595416 | Method and apparatus for producing cement clinker including white cement | — | 1986-06-17 |
| 4584022 | Cement plant dust recovery system | — | 1986-04-22 |
| 4569831 | Process and apparatus for calcining gypsum | — | 1986-02-11 |