Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9278310 | Method of reducing nitrogen oxides from coke-oven flue gas | Joerg Brix, Frank Krebber | 2016-03-08 |
| 8038800 | Method and device for cleaning the door of a coke oven | Frank Rossa, Hans-Josef Giertz, Jürgen George, Ralf Hoven, Detlef Mattern +3 more | 2011-10-18 |
| 6918999 | Device and method for sealing levelling door aperture of a coke oven chamber | Hans-Josef Giertz, Friedrich-Wilhelm Cyris, Franz Liesewitz | 2005-07-19 |
| 5609731 | Process for gas pressure regulation in the retort of a coke oven | Hans-Josef Giertz, Werner Eisenhut, Hans J. Hammermann | 1997-03-11 |
| 4436676 | Cooling plant | Klaus Gebke, Rolf Lekutat | 1984-03-13 |