Issued Patents All Time
Showing 25 most recent of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9006481 | Process and apparatus for preparing isocyanates | Torsten Mattke, Carsten Knoesche, Eckhard Stroefer | 2015-04-14 |
| 8485790 | Fuel supply unit for a motor vehicle | — | 2013-07-16 |
| 8461396 | Process for purifying aqueous glyoxal solutions | Petra Deckert, Peter Groll, Christian Horn | 2013-06-11 |
| 8302472 | Fuel delivery unit with a filling level sensor operating with ultrasonic waves | — | 2012-11-06 |
| 8273915 | Process for preparing isocyanates | Michael Bock, Martin Fiene, Eckhard Stroefer | 2012-09-25 |
| 7959766 | Method for obtaining cyclododecatriene by evaporation | Ortmund Lang, Andrea Haunert, Thomas Genger, Anton Meier | 2011-06-14 |
| 7830108 | Device for supplying electrical power to a fuel pump of a motor vehicle internal combustion engine | — | 2010-11-09 |
| 7784446 | Conveying device comprising a fuel pump | — | 2010-08-31 |
| 7714696 | Apparatus for providing drive-off security in a motor vehicle environment and a motor vehicle being provided with such apparatus | — | 2010-05-11 |
| 7675405 | Method and device for testing the measuring value of at least one level sensor arranged in a fuel tank | — | 2010-03-09 |
| 7607419 | Fuel delivery unit | — | 2009-10-27 |
| 7345173 | Work-up of the mother liquor obtained in the preparation of high-purity triethylenediamine | Ortmund Lang, Matthias Frauenkron, Dirk Funhoff, Thomas Manderbach, Bernd Stein | 2008-03-18 |
| 7342139 | Method for producing highly concentrated formaldehyde solution | Eckhard Ströfer, Ortmund Lang, Neven Lang | 2008-03-11 |
| 7222529 | Filling level sensor for a fuel tank of a motor vehicle | Bernd Pauer | 2007-05-29 |
| 7151177 | Process for the preparation of highly pure triethylene diamine | Ortmund Lang, Matthias Frauenkron, Thomas Manderbach, Bernd Stein | 2006-12-19 |
| 7132538 | Isolation of high-purity triethylenediamine (TEDA) by distillation | Ortmund Lang, Matthias Frauenkron, Marco Bosch, Helmut Berrsche, Anton Meier | 2006-11-07 |
| 7029557 | Method for producing an aqueous hydroxylamine solution devoid of salt | Karl-Heinz Wostbrock, Joachim Thiel, Heinz Krüger, Eckhard Ströfer, Markus Weber +3 more | 2006-04-18 |
| 7017557 | Feed device | — | 2006-03-28 |
| 6955158 | Fuel container for a motor vehicle | — | 2005-10-18 |
| 6942762 | Method for the production of a salt-free aqueous hydroxylamine solution | Karl-Heinz Wostbrock, Joachim Thiel, Heinz Krüger, Eckhard Ströfer, Markus Weber +3 more | 2005-09-13 |
| 6617047 | Method for coating apparatuses and parts of apparatuses used in chemical manufacturing | Stephan Huffer, Thilo Krebs, Wolfgang Loth, Jürgen Sturm, Bernd Diebold +3 more | 2003-09-09 |
| 6552194 | Process for the preparation of pure triethylenediamine (TEDA) | Ortmund Lang, Matthias Frauenkron, Dirk Funhoff, Thomas Manderbach, Bernd Stein | 2003-04-22 |
| 6491180 | Fuel tank | Markus Distelhoff, Karl Eck, Wilfried Fröhlich, Dieter Keller, Justus Klöker +4 more | 2002-12-10 |
| 6463965 | Arrangement for storing fuel and method for operating a fuel tank | Christian Rasche, Bernd Wiemann, Holger Klos, Hans-Dieter Wilhelm, Karl Eck +1 more | 2002-10-15 |
| 6422213 | Delivery device for delivering fuel | Christian Kochsmeier, Dieter Keller, Peter Andreas Low | 2002-07-23 |