Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4940568 | Arrangement for the continuous melting of granulated silicon for a band-drawing method | Josef Grabmaier, Richard Falckenberg, Bernhard Freienstein | 1990-07-10 |
| 4913199 | Arrangement for the complete emptying of quartz tanks or crucibles filled with a silicon melt following silicon band drawing | Richard Falckenberg, Bernhard Freienstein, Josef Grabmaier | 1990-04-03 |
| 4871517 | Apparatus for parting wafer-shaped silicon bodies, useful for solar cells, from a silicon tape manufactured in a horizontal tape-drawing method | Richard Falckenberg, Josef Grabmaier | 1989-10-03 |
| 4657627 | Carbon fiber substrate pretreatment for manufacturing crack-free, large-surface silicon crystal bodies for solar cells | Lore Bernewitz, Richard Falckenberg, Josef Grabmaier | 1987-04-14 |
| 4215385 | Regenerable electric capacitor | Reinhard Behn, Walter Voelkl | 1980-07-29 |