Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4366004 | Method of internally cleaning coke chamber risers | Kurt Asmus | 1982-12-28 |
| 4359364 | Gas-collecting apparatus for coking installation | Karl Feldhaus | 1982-11-16 |
| 4340987 | Element for cleaning coking-oven doors and doorjamb | Karl Feldhaus | 1982-07-27 |