Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12370510 | Screw element having an axially asymmetrical screw profile which has at least two construction points located within the screw profile | Birgit Mannel, Michael Bierdel, Carsten Conzen | 2025-07-29 |
| 10836076 | Process for extruding plastic compositions | Michael Bierdel, Thomas Koenig, Carsten Conzen, Ulrich Liesenfelder, Klemens Kohlgrueber +1 more | 2020-11-17 |
| RE47079 | Process for improving carbon black dispersion | Andreas Seidel, Hans-Jürgen Thiem, Joerg Reichenauer, Thomas Eckel | 2018-10-09 |
| 10035884 | Polysiloxane-polycarbonate block cocondensates with improved rheological properties | Alexander Meyer, Klaus Horn, Ulrich Liesenfelder, Thomas König, Alexander Karbach | 2018-07-31 |
| 9828462 | Preparation of siloxane-containing block copolycarbonates by means of reactive extrusion | Alexander Meyer, Klaus Horn, Ulrich Liesenfelder, Thomas König | 2017-11-28 |
| 9738025 | Method for extruding plastic masses | Thomas König, Michael Bierdel, Carsten Conzen, Ulrich Liesenfelder, Klemens Kohlgrüber +1 more | 2017-08-22 |
| 9409779 | Catalyst for producing carbon nanotubes by means of the decomposition of gaseous carbon compounds on a heterogeneous catalyst | Sigurd Buchholz, Daniel Gordon Duff, Volker Michele, Leslaw Mleczko, Christian Münnich +1 more | 2016-08-09 |
| 9056957 | Process for improving carbon black dispersion | Andreas Seidel, Hans-Jürgen Thiem, Joerg Reichenauer, Thomas Eckel | 2015-06-16 |
| 9050572 | Process for the production of carbon nanotubes in a fluidized bed | Sigurd Buchholz, Maziar Kakhi, Volker Michele, Leslaw Mleczko, Christian Münnich +1 more | 2015-06-09 |
| 8592512 | Carbon nanotubes and organic media containing microgels | Torsten Ziser, Thomas Früh, Werner Obrecht, Sigurd Buchholz, Volker Michele +4 more | 2013-11-26 |
| 8398949 | Carbon nanotube powder, carbon nanotubes, and processes for their production | Helmut Meyer, Heiko Hocke, Ralph Weber, Martin Schmid, Elmar Bramer-Weger +4 more | 2013-03-19 |
| 8288456 | Process for the production of impact-modified filled polycarbonate compositions | Achim Feldermann, Andreas Seidel, Michael Bierdel | 2012-10-16 |
| 8093176 | Process for the continuous production of catalysts | Sigurd Buchholz, Volker Michele, Leslaw Mileczko, Christian Münnich, Aurel Wolf | 2012-01-10 |
| 8034269 | Process for the compounding of polymers | Christoph Schwemler, Martin Lüdeke, Christian Kords | 2011-10-11 |
| 4709219 | Small-size switching relay in miniature embodiment | Wolfgang Nestlen | 1987-11-24 |
| 4620172 | Electromagnetic relay with switch spring | — | 1986-10-28 |