Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4996858 | Apparatus for hydrostatic bracing of a roll in a rolling mill | Erich Stoy, Dieter Rumpf | 1991-03-05 |
| 4862570 | Apparatus for removal of scale from hot-rolled steel strip | Wilfried Bald, Karl-Ernst Boucke, Manfred Fritz, Friedrich Hollmann | 1989-09-05 |
| 4841761 | Multipurpose rolling mill | Erich Stoy, Wilfried Bald | 1989-06-27 |
| 4831854 | Steel strip descaler | Wilfried Bald, Karl-Ernst Boucke, Manfred Fritz, Friedrich Hollmann | 1989-05-23 |
| 4712416 | Six-high roll stand with offset inner backup rolls | Erich Stoy | 1987-12-15 |
| 4631948 | Roll stand with braced and offset working rolls | Wilfried Bald, Erich Stoy, Friedrich Hollmann | 1986-12-30 |
| 4615202 | Six-high rolling stand | Erich Stoy | 1986-10-07 |
| 4598566 | Four-high roll stand with offset working rolls | Wilfried Bald, Erich Stoy, Hans-Friedrich Heisterkamp | 1986-07-08 |
| 4563888 | Six-high roll stand with braced and removable working rolls | Wilfried Bald, Erich Stoy | 1986-01-14 |
| 4543810 | Six-high rolling stand | Erich Stoy | 1985-10-01 |
| 4510783 | Changing rolls in six-high roll stand | Hans-Georg Frosch | 1985-04-16 |