Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12305922 | Cooler for cooling bulk material, in particular cement clinker | Peter Rickert, Sebastian Morgenroth, Ludwig Koenning, Karl Lampe, Eike WILLMS +2 more | 2025-05-20 |
| 12222163 | Cooler for cooling bulk material | Ludwig Koenning, Justin Bisping, Stefanie Richter, Rolf Rieger, Frank Crabus +1 more | 2025-02-11 |
| 9915595 | Gas-sampling probe and method for operating a gas-sampling probe | Ludwig Könning, Heinz Bredemeier, Alfons Leuer | 2018-03-13 |
| 9724843 | Cement production system | Alfons Leuer, Heinz Bredemeier, Klaus Adler | 2017-08-08 |
| 5979342 | Method and apparatus for the reduction of NO.sub.x generation during coal dust combustion | Alfons Leisse | 1999-11-09 |
| 5832847 | Method and apparatus for the reduction of nox generation during coal dust combustion | Alfons Leisse | 1998-11-10 |
| 5687658 | Method of increasing the level of volatiles in a pulverized coal mixture | Alfons Leisse | 1997-11-18 |
| 5651320 | Burner for burning powdered fuel | Alfons Leisse | 1997-07-29 |