Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12240198 | Pressing device, pressing system and method for providing a bale pressed from plant material | — | 2025-03-04 |
| 9398975 | Hand-operated cooling device for cryotherapy | Stefan Müller, Steffen Ortlib | 2016-07-26 |
| 6841064 | Process for the gentle flash distillation of residual oils | Hans-Jurgen Weiss, Udo Zentner | 2005-01-11 |
| 6652739 | Process for deasphalting residua by reactive recycle of high boiling material | Mitchell Jacobson, Willibald Serrand, Norman H. Sweed, Hans-Jurgen Weiss, Udo Zentner +1 more | 2003-11-25 |
| 6413415 | Method for high-temperature short-time distillation of residual oils | Hans-Jurgen Weiss, Jorg Schmalfeld, Udo Zentner, Willibald Serrano | 2002-07-02 |
| 4935099 | Process for making wood charcoal | Hans-Jurgen Weiss, Jorg Schmalfeld, Johannes Arnhold | 1990-06-19 |
| 4659456 | Process of drying and heating oil-containing solids | Roland Rammler, Hans-Jurgen Weiss, Jorg Schmalfeld, Karl-Heinz Bietz | 1987-04-21 |
| 4563264 | Method of dry distillation of volatile substances from mineral matter containing same | Hans-Jurgen Weiss, Roland Rammler, Helmut Hahn | 1986-01-07 |
| 4268359 | Method for cooling dustlike or fine-grained solids | Roland Rammler, Rainer Rudisch | 1981-05-19 |