Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4726465 | Coke quenching car | Hans-Gunter Piduch, August Lucas | 1988-02-23 |
| 4552622 | Cleaning apparatus for the sealing surfaces of leveling doors and leveling door frames of battery-type coke ovens | Hans-Gunter Piduch | 1985-11-12 |
| 4515660 | Apparatus for removing charging hole covers and for cleaning sealing surfaces in a coke oven | Hans-Gunter Piduch, Heinz-Dieter Bruske | 1985-05-07 |
| 4412776 | Apparatus for overhauling and repairing doors of horizontal coke-oven batteries | Hans-Gunter Piduch | 1983-11-01 |
| 4407702 | Apparatus to extract gases evolving during charging of a coke oven | Hans-Gunter Piduch | 1983-10-04 |
| 4385963 | Apparatus to receive coke from an oven chamber for quenching | Hans-Gunter Piduch | 1983-05-31 |
| 4382842 | Coke distributing apparatus in a smoke hood | Hans-Gunter Piduch, Rolf Weiershausen | 1983-05-10 |
| 4347105 | Coke side gantry car for a battery of coke ovens | Hans-Gunter Piduch | 1982-08-31 |
| 4314787 | Charging car for coke ovens | Hans-Gunter Piduch | 1982-02-09 |
| 4314889 | Apparatus to extract charging gases from a coke oven chamber | Hans-Gunter Piduch | 1982-02-09 |
| 4312712 | Coke car for a battery of coke ovens | Hans-Gunter Piduch | 1982-01-26 |