Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9190792 | Recessed hinge with electrical connection | Nicholas Dreisewerd, Nicholas Liermann | 2015-11-17 |
| 8940264 | Process for producing polycrystalline silicon | Walter Haeckl, Karl Hesse, Wilhelm Hoebold | 2015-01-27 |
| 7538143 | Method for the treatment of waste containing polyamide with the reprocessing of the depolymerisation residue | Rudolf Kampf, Joachim Seelig | 2009-05-26 |
| 7482584 | Method for the automatic analysis of refuse containing polymers and an automatic analytical device for this purpose | Rudolf Kampf | 2009-01-27 |
| 7173127 | Method for the manufacture of caprolactam from waste containing polyamides | Claus Born, Rudolf K{hacek over (a)}mpf, Joachim Seelig | 2007-02-06 |
| 7152742 | Separation process for carpets | Roland Donaj, Wolfgang Dilly-Louis, Rudolf Kampf, Norman Schnittker | 2006-12-26 |
| 7129347 | Method for purifying caprolactam from waste containing polyamide using UV radiation | Rudolf Kampf, Joachim Seelig | 2006-10-31 |
| 6313013 | Method and device for processing semiconductor material | Dirk Flottmann, Gerhard Ast | 2001-11-06 |
| 6073773 | Separation of semiconductor material | Dirk Flottmann | 2000-06-13 |
| 6063697 | Crushing of silicon on ultrapure ice | Dirk Flottmann, Matthaus Schantz | 2000-05-16 |
| 5598980 | Process for the separation of carpet materials | Wolfgang Dilly-Louis, Joachim Seelig | 1997-02-04 |
| 5462011 | Method for pulling single crystals | Erich Tomzig, Wolfgang Hensel | 1995-10-31 |
| 4720591 | Preparation of chloro-olefins | Eberhard Steckhan, Hermann Puetter | 1988-01-19 |
| 4681977 | Preparation of chloro-olefins | Eberhard Steckhan, Hermann Puetter | 1987-07-21 |