Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10190052 | Device and method for regulating and controlling the gas pressure | Martin Kirchmeier, Michael Bohn, Manfred Danreiter, Drazen Gajic | 2019-01-29 |
| 7166197 | Coke oven door with wraparound gas channel and membrane | Hans-Josef Giertz, Klaus Dieter Ruthemann, Jürgen George, Horst Schroder, Friedrich-Wilhelm Cyris | 2007-01-23 |
| 7067043 | Coke oven door with gas channel | Hans-Josef Giertz, Friedrich-Wilhelm Cyris, Frank Rossa | 2006-06-27 |
| 6918999 | Device and method for sealing levelling door aperture of a coke oven chamber | Hans-Josef Giertz, Friedrich-Wilhelm Cyris, Friedrich Huhn | 2005-07-19 |