Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6772518 | Method of forming flat-tube insertion slots in a header tube | Walter Demuth, Wolfgang Geiger, Martin Kotsch, Hans-Joachim Krauss, Hagen Mittelstrass +3 more | 2004-08-10 |
| 6708508 | Method of monitoring refrigerant level | Walter Demuth, Rainer Heilig, Volker Kirschner, Martin Kotsch, Hans-Joachim Krauss +4 more | 2004-03-23 |
| 6705386 | Serpentine heat exchanger | Walter Demuth, Martin Kotsch, Hans-Joachim Krauss, Hagan Mittelstrass, Michael Sickelmann +2 more | 2004-03-16 |