Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4767322 | Apparatus for charging a shaft furnace | Ulrich Beckenbach, Werner Hergarten | 1988-08-30 |
| 4452584 | Ring shaft kiln for calcining materials and a method of operation | Ulrich Beckenbach | 1984-06-05 |
| 4431407 | Process for burning limestone, dolomite or the like and annular shaft furnace for performing the same | Ulrich Beckenbach | 1984-02-14 |
| 4419036 | Apparatus for charging a shaft furnace | Ulrich Beckenbach | 1983-12-06 |
| 4403951 | Shaft furnace for burning or firing and sintering material in lump form or pellet form and with an internal burner | Ulrich Beckenbach | 1983-09-13 |