Issued Patents All Time
Showing 1–22 of 22 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, Reiner Rudolf, Carsten Conzen | 2025-07-29 |
| 11045977 | Device and method for dispersing solids, liquids and gases in an extruder | Thomas König | 2021-06-29 |
| 10836076 | Process for extruding plastic compositions | Thomas Koenig, Carsten Conzen, Ulrich Liesenfelder, Klemens Kohlgrueber, Reiner Rudolf +1 more | 2020-11-17 |
| 10435507 | Ultra-high purity polycarbonates having good inherent color and thermal resistance and a device and a method for producing the same | Thomas Koenig, Joerg Kirchhoff, Klemens Kohlgrueber, Johann Rechner, Ing. Johan Vaes +3 more | 2019-10-08 |
| 10207424 | Mixing elements having an improved dispersing effect | Thomas König | 2019-02-19 |
| 10029393 | Screw elements with improved dispersing action and low energy input | Thomas König, Ulrich Liesenfelder | 2018-07-24 |
| 9944008 | Method for extruding plastic materials | Thomas Koenig, Ulrich Liesenfelder, Klemens Kohlgrüber, Johann Rechner | 2018-04-17 |
| 9868245 | Screw elements for extruding plastic compositions | Thomas König, Ulrich Liesenfelder | 2018-01-16 |
| 9828464 | Ultra-high purity polycarbonates having good inherent color and thermal resistance and a device and a method for producing the same | Thomas König, Jörg Kirchhoff, Klemens Kohlgrüber, Johann Rechner, Ing. Johan Vaes +3 more | 2017-11-28 |
| 9808978 | Screw elements with reduced energy input during the build-up of pressure | Thomas König, Ulrich Liesenfelder | 2017-11-07 |
| 9738025 | Method for extruding plastic masses | Thomas König, Carsten Conzen, Ulrich Liesenfelder, Klemens Kohlgrüber, Reiner Rudolf +1 more | 2017-08-22 |
| 9738770 | Degassing method, degassing device and use of screw elements | Joerg Kirchhoff, Thomas Koenig | 2017-08-22 |
| 9688002 | Screw elements with improved dispersing action and low energy input | Thomas König, Ulrich Liesenfelder | 2017-06-27 |
| 9561613 | Apparatus and process for producing products from pigment-containing polymer mixtures | Birgit Derfuss, Carsten Conzen | 2017-02-07 |
| 9487635 | Degassing method, degassing device and use of screw elements | Joerg Kirchhoff, Thomas Koenig | 2016-11-08 |
| 9314954 | Method for constructing bodies that rotate in the same direction and are in contact with one another and computer system for carrying out said method | Thomas König | 2016-04-19 |
| 8979355 | Screw elements with reduced sweep angle | Thomas König, Ulrich Liesenfelder | 2015-03-17 |
| 8915642 | Method for constructing co-rotating contiguous bodies and computer program product for carrying out said method and screw elements produced accordingly | Thomas König, Ulrich Liesenfelder | 2014-12-23 |
| 8876360 | Method for constructing co-rotating, contiguous bodies and computer program product for carrying out said method | Thomas König, Ulrich Liesenfelder | 2014-11-04 |
| 8753003 | Screw feed elements for extrusion of viscoelastic masses | Jörg Kirchhoff, Thomas König, Ulrich Liesenfelder | 2014-06-17 |
| 8288456 | Process for the production of impact-modified filled polycarbonate compositions | Achim Feldermann, Andreas Seidel, Reiner Rudolf | 2012-10-16 |
| 7144981 | Process for separating volatile components from polymers | Thomas König, Klemens Kohlgrüber, Ulrich Liesenfelder, Helmut Meyer, Richard Weider +1 more | 2006-12-05 |