Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6810949 | Multiblock heat-transfer system | Karl-Heinz Staffa, Hagen Mittelstrass, Christoph Walter, Bernd Dienhart, Jochen Schumm | 2004-11-02 |
| 6772518 | Method of forming flat-tube insertion slots in a header tube | Walter Demuth, Wolfgang Geiger, Martin Kotsch, Hagen Mittelstrass, Harald Raiser +3 more | 2004-08-10 |
| 6751983 | Air conditioning unit with an inner heat transfer unit | Bernd Dienhart, Hagen Mittelstrass, Karl-Heinz Staffa, Christoph Walter, Bernd Kallfass | 2004-06-22 |
| 6708508 | Method of monitoring refrigerant level | Walter Demuth, Rainer Heilig, Volker Kirschner, Martin Kotsch, Hagen Mittelstrass +4 more | 2004-03-23 |
| 6705386 | Serpentine heat exchanger | Walter Demuth, Martin Kotsch, Hagan Mittelstrass, Harald Raiser, Michael Sickelmann +2 more | 2004-03-16 |