Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4598667 | Cooled tube wall for metallurgical furnace | Kurt Rieger | 1986-07-08 |
| 4453500 | Cooled tube wall for metallurgical furnace | Kurt Rieger | 1984-06-12 |
| 4445220 | Cover for casting ladle | — | 1984-04-24 |
| 4425656 | Cover for electric-arc crucible | — | 1984-01-10 |
| 4273074 | Cooling device for hot gases in pipes | — | 1981-06-16 |
| 4258612 | Piston pump for conveying concrete mixes | — | 1981-03-31 |
| 4244421 | Process and an apparatus for cooling of waste gas bends | — | 1981-01-13 |
| 4237854 | Damper construction and a method of cooling a damper | — | 1980-12-09 |
| 4215713 | Control valve for viscous materials | — | 1980-08-05 |
| 4206312 | Cooled jacket for electric arc furnaces | — | 1980-06-03 |