Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8910484 | System and process for the reduction of harmful substances in engine exhaust gases | Claus Hoffjann, Ralf-Henning Stolte | 2014-12-16 |
| 8869543 | Cooling assembly for cooling a thermal body for an aircraft | Claus Hoffjann | 2014-10-28 |
| 8640439 | Hybrid drive for an aircraft | Claus Hoffjann, Andreas Westenberger | 2014-02-04 |
| 8623559 | Fuel cell system with suction operation for an aircraft | Lars Frahm, Ulrich Rieger, Claus Hoffjann | 2014-01-07 |
| 8606436 | Device and method for regulating the humidity of a fuel cell | Karsten Roederer | 2013-12-10 |
| 8372554 | Hydride fuel-cell cooler and condensate cooler for aircraft | Claus Hoffjann | 2013-02-12 |
| 8141185 | Self-sustaining washroom for mobile use | Claus Hoffjann, Heinz-Detlef Naeve, Juergen Friedrich Haastert | 2012-03-27 |
| 8034495 | Semi-autonomous central supply system for passenger seats | Claus Hoffjann | 2011-10-11 |
| 8019464 | Sorting device and method for sorting goods in transit for an aircraft | Claus Hoffjann | 2011-09-13 |
| 7954753 | Supply system for the energy supply in an aircraft, aircraft and method for supplying an aircraft with energy | Claus Hoffjann, Torge Pfafferott, Lars Frahm, Lars Nickel | 2011-06-07 |
| 7807315 | Rotable fuel cell system | Claus Hoffjann, Hans-Juergen Heinrich | 2010-10-05 |
| 7731126 | Autonomous passenger seat | Claus Hoffjann | 2010-06-08 |
| 7659015 | Combined fuel cell system | Claus Hoffjann | 2010-02-09 |
| 7546981 | Drain system for an aircraft | Claus Hoffjann, Harald Gruendel, Hans-Juergen Heinrich | 2009-06-16 |
| 7431238 | Arrangement and method for the generation of water on board an aircraft | Claus Hoffjann, Hans-Juergen Heinrich | 2008-10-07 |
| 7108229 | Arrangement and method for the generation of water on board an aircraft | Claus Hoffjann, Hans-Jeurgen Heinrich | 2006-09-19 |