Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8563440 | Method for chemically treating a substrate | Andreas Teppe, Berthold Schum, Dieter Franke, Knut Vaas, Wilfried Schmidt | 2013-10-22 |
| 8420218 | Photovoltaic modules having reduced weight | Kurt Nattermann, Uwe Fliedner, Harry Engelmann | 2013-04-16 |
| 8273596 | Method for producing electric contacts on a semiconductor component | Henning Nagel, Wilfried Schmidt, Dieter Franke | 2012-09-25 |
| 8118248 | Method for recovering and/or recycling material | Hilmar Von Campe, Werner Buss, Albrecht Seidl | 2012-02-21 |
| 8101019 | Method for producing a monocrystalline or polycrystalline semiconductor material | Uwe Sahr, Matthias Mueller, Frank-Thomas Lentes, Frank Buellesfeld | 2012-01-24 |
| 7955582 | Method for producing crystallized silicon as well as crystallized silicon | Albrecht Seidl | 2011-06-07 |
| 7811383 | Device for making monocrystalline or multicrystalline materials, in particular multicrystalline silicon | Matthias Mueller, Markus Finkbeiner, Uwe Sahr, Michael Clauss | 2010-10-12 |
| 7790508 | Method for forming a structure | Hilmar Von Campe | 2010-09-07 |
| 7694903 | Method for recovering and/or recycling material | Hilmar Von Campe, Werner Buss, Albrecht Seidl | 2010-04-13 |
| 7597756 | Device and method for the production of monocrystalline or multicrystalline materials, in particular multicrystalline silicon | Matthias Mueller, Markus Finkbeiner, Uwe Sahr, Michael Clauss | 2009-10-06 |
| 7253355 | Method for constructing a layer structure on a substrate | Wilfried Schmidt, Hilmar Von Campe | 2007-08-07 |
| 6746709 | Method for manufacture of a solar cell | Thomas Lauinger, Jens Dirk Moschner | 2004-06-08 |
| 5490477 | Process for the production of semiconductor foils and their use | Philippe Knauth, Horst Lange, Karsten Wambach | 1996-02-13 |
| 5431743 | Silicon for solar cells, a process for the preparation thereof, and the use thereof | — | 1995-07-11 |
| 5298109 | Process for the production of metal wafers and the use of silicon wafers | Philippe Knauth | 1994-03-29 |
| 5013393 | Process for the melting and directional solidification of metals | Peter Woditsch | 1991-05-07 |
| 4919913 | Process for the production of solar silicon | Gunter Kurz, Martin Abels, Peter Woditsch | 1990-04-24 |
| 4900532 | Continuous process for refining silicon | Gunter Kurz, Klaus Gebauer | 1990-02-13 |
| 4877596 | Process for the production of low carbon silicon | Peter Woditsch, Wolfgang Koch | 1989-10-31 |
| 4837376 | Process for refining silicon and silicon purified thereby | Horst Lange, Werner Kannchen | 1989-06-06 |
| 4790871 | Strip-shaped films of metals, a process and an apparatus for the production thereof and the use thereof | Peter Woditsch | 1988-12-13 |
| 4755220 | Materials resistant to metal and salt melts, their production and their use | Peter Woditsch, Werner Kannchen, Horst Lange | 1988-07-05 |
| 4670096 | Process and apparatus for producing semi-conductor foils | Peter Woditsch | 1987-06-02 |
| 4561930 | Process for the production of coarsely crystalline silicon | Peter Woditsch, Wolfgang Koch | 1985-12-31 |