Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11773993 | Non-return valve, in particular for a refrigeration or heat circuit | Eike Willers, Andreas Auweder, Siegfried Roth, Uwe Hellmuth, Bernhard Wagner | 2023-10-03 |
| 11767922 | Multi-way valve for a control of a refrigerant circuit | Peter Bohnenstengel, Christian Dorn, Andreas Ehmen, Hans-Gunter Kostler, Volker Von Rad +1 more | 2023-09-26 |
| 10900576 | Shaft passage and valve having such a shaft passage and method for the production of a shaft passage | Eike Willers, Peter Bohnenstengel | 2021-01-26 |
| 10619899 | Multiway valve for controlling a refrigerant circuit | Eike Willers, Joan Aguilar, Andreas Ehmen | 2020-04-14 |
| 10041608 | Switching valve for the regulation of a mass flow | Joan Aguilar, Markus Nagel, Jean-Jacques Robin, Kai Schauwecker | 2018-08-07 |
| 9266081 | Device and process for catalytic gas phase reactions and use thereof | Meinhard Schwefer, Michael Groves, Jürgen Fuchs, Rolf Siefert, Bernhard Hündgen | 2016-02-23 |
| 9108175 | Device and method for catalytic gas phase reaction and the use thereof | Meinhard Schwefer, Michael Groves, Jürgen Fuchs, Rolf Siefert, Bernhard Hündgen | 2015-08-18 |
| 8492670 | Rocker switch | Uwe Gillmann, Michael Stoffers | 2013-07-23 |
| 8398933 | Device for preventing corrosion on a gas inlet nozzle during nitric acid condensation | — | 2013-03-19 |
| 8176654 | Method and device for preventing corrosion of a gas inlet nozzle during nitric acid condensation | — | 2012-05-15 |
| 7906091 | Removal of laughing gas in nitric acid production | Meinhard Schwefer, Thomas Turek | 2011-03-15 |
| 7886632 | Handle grip | Michael Stoffers, Uwe Gillmann | 2011-02-15 |
| 7838789 | Rocker switch | Michael Stoffers, Uwe Gillmann | 2010-11-23 |
| 7731958 | Use of bromelain for the treatment of inflammatory diseases and for adjuvant therapy during wound healing processes | Klaus Eschmann | 2010-06-08 |
| 7485276 | Method for the removal of Nox and N2O from the tail gas in nitric acid production | Meinhard Schwefer, Thomas Turek, Markus Kögel | 2009-02-03 |
| 7462340 | Method and device for reducing the NOX and N2O of gases | Meinhard Schwefer, Michael Groves, Rolf Siefert | 2008-12-09 |
| 7258849 | Method for the production of nitric acid | Frank Dziobek, Detlev Claes, Joachim Johanning, Erich Szonn | 2007-08-21 |
| 7118723 | Method for producing nitric acid | — | 2006-10-10 |
| 6956179 | Rocker/pushbutton switch | Uwe Gillman, Michael Stoffers, Klaus Lamm, Uwe Immig | 2005-10-18 |
| 6931962 | Foot or hand operated control | Uwe Gillman, Michael Stoffers | 2005-08-23 |
| 6803038 | Use of bromelaine proteases for inhibiting blood coagulation | Klaus ECKERT, Edyta Grabowska, Klaus Eschmann | 2004-10-12 |
| 6691589 | Switch handle | Uwe Gillman, Stoffers Michael, Lamm Klaus, Jost Hans-Georg | 2004-02-17 |
| 6357721 | Valve arrangement | — | 2002-03-19 |
| 6264910 | Process for the production of nitric acid | Erich Szonn, Wolfgang Seehars, Lothar Mietze | 2001-07-24 |
| 5735501 | Valve arrangement | Ludwig Reisinger | 1998-04-07 |