Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6484796 | Heat-exchanger tube block with a plurality of slotted header tubes | Walter Demuth, Martin Kotsch, Hagen Mittelstrass, Harald Raiser, Jochen Schumm +3 more | 2002-11-26 |
| 6434972 | Air conditioner with internal heat exchanger and method of making same | Wolfgang Geiger, Michael Sickelmann, Karl-Heinz Staffa, Christoph Walter, Hagen Mittelstrass | 2002-08-20 |
| 6430950 | Expansion element and a valve unit usable therefor | Ing. Bernd Dienhart, Hagen Mittelstrass, Karl-Heinz Staffa, Christoph Walter, Jan Hinrichs +2 more | 2002-08-13 |
| 6357522 | Multi-channel flat tube | Bernd Dienhart, Hagen Mittelstrass, Roland Schirrmacher, Karl-Heinz Staffa, Christoph Walter | 2002-03-19 |