Issued Patents All Time
Showing 25 most recent of 73 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10456719 | Fluid filter with replaceable filter insert | Wilhelm Ardes | 2019-10-29 |
| 9908842 | Method for obtaining crystalline L-alanine | Sebastian WLOCH, Linda Garella, Robert Sengpiel | 2018-03-06 |
| 9427678 | Base for a mass transfer column | Marcus Bechtel, Holger Friedrich, Sascha Müller | 2016-08-30 |
| 9393506 | Fluid filter with replaceable filter insert | Wilhelm Ardes | 2016-07-19 |
| 8808430 | Process for purifying N2O | Beatrice Röβler-Feigel, Joaquim Henrique Teles | 2014-08-19 |
| 8714132 | Separator for separating oil mist from the crankcase ventilation gas of an internal combustion engine, and functional module and internal combustion engine comprising a separator | Christian Vinkelau, Guido Schlamann | 2014-05-06 |
| 8449655 | Process for isolating N2O | Beatrice Roessler, Joaquim Henrique Teles | 2013-05-28 |
| 8404901 | Process for purifying dinitrogen monoxide | Joaquim Henrique Teles, Beatrice Röβler-Feigel | 2013-03-26 |
| 8043201 | Centrifuges for a lubricant oil in an internal combustion engine with a modular housing system having various bases, lids and rotors | — | 2011-10-25 |
| 7959547 | Centrifuge for cleaning a liquid | Uwe Meinig | 2011-06-14 |
| 7947845 | Process for purifying removal of acrylic acid, methacrylic acid N-vinylpyrrolidone or P-xylene crystals from their suspension in mother liquor | Joerg Heilek, Ulrich Hammon, Klaus Joachim Mueller-Engel | 2011-05-24 |
| 7867158 | Device for separating impurities from the lubricating oil of an internal combustion engine | — | 2011-01-11 |
| 7776109 | Method for producing acylphosphine oxide solids | Gerhard Bertlein, Karl Heinz Schall, Matthias Maase, Joerg Heilek, Hermann Ascherl | 2010-08-17 |
| 7762404 | Device for performing the purifying separation of crystals out of their suspension in a contaminated crystal melt | Joerg Heilek, Bernd Eck, Ulrich Hammon, Klaus Joachim Mueller-Engel | 2010-07-27 |
| 7754172 | Method for isolating N2O | Joaquim Henrique Teles, Beatrice Roessler | 2010-07-13 |
| 7732624 | Process for operating a continuous removal of a target product X in the form of fine crystals | Joerg Heilek, Ulrich Hammon, Klaus Joachim Mueller-Engel, Volker Schliephake | 2010-06-08 |
| 7713185 | Impulse centrifuge for the purification of the lubricating oil from an internal combustion engine | Karl Grosse Wiesmann, Norbert Prinz | 2010-05-11 |
| 7692045 | Method for purifying and concentrating dinitrogen monoxide | Joaquim Henrique Teles, Beatrice Roessler, Thomas Genger, Andreas Glass, Jan-Martin Loening | 2010-04-06 |
| 7540884 | Method for performing the purifying separation of crystals out their suspension in a mother liquor | Ulrich Hammon, Joerg Heilek, Klaus Joachim Mueller-Engel, Bernd Eck | 2009-06-02 |
| 7497887 | Device for separating impurities from the lubricating oil of an internal combustion engine | — | 2009-03-03 |
| 7396325 | Centrifuge rotor | Uwe Meinig | 2008-07-08 |
| 7323016 | Regulation of a wash column in a melt crystallization process | Jorg Heilek, Bernd Eck | 2008-01-29 |
| 7319166 | Method of purifying a raw melt of at least one monomer by crystallization | Ulrich Hammon, Bernd Eck, Joerg Heilek, Klaus Joachim Mueller-Engel | 2008-01-15 |
| 7307189 | Method for discontinuous purification of crude acrylic acid by means of crystallization | Bernd Eck, Joerg Heilek, Klaus Joachim Mueller-Engel | 2007-12-11 |
| 7129376 | Method for the production of a purified melt of at least one monomer | Ulrich Hammon, Bernd Eck, Joerg Heilek, Klaus Joachim Mueller-Engel | 2006-10-31 |