| 9759492 |
Heat exchanger having additional refrigerant channel |
Boris Kerler, Wolfgang Seewald, Markus Ruehl, Christoph Walter, Michael Geiger +4 more |
2017-09-12 |
| 8590607 |
Heat exchanger for a motor vehicle |
Walter Demuth, Martin Kotsch, Michael Kranich, Hans-Joachim Krauss, Hagen Mittelstrass +1 more |
2013-11-26 |
| 7650934 |
Heat exchanger |
Walter Demuth, Martin Kotsch, Christoph Walter |
2010-01-26 |
| 7650935 |
Heat exchanger, particularly for a motor vehicle |
Walter Demuth, Martin Kotsch, Michael Kranich, Hans-Joachim Krauss, Hagen Mittelstrass +1 more |
2010-01-26 |
| 7481266 |
Heat exchanger for a motor vehicle |
Walter Demuth, Martin Kotsch, Michael Kranich, Hans-Joachim Krauss, Hagen Mittelstrass +1 more |
2009-01-27 |
| 7347063 |
Device for heat exchange |
Walter Demuth, Martin Kotsch, Christoph Walter |
2008-03-25 |
| 7318470 |
Device for exchanging heat |
Walter Demuth, Martin Kotsch, Michael Kranich, Christoph Walter |
2008-01-15 |
| 7201216 |
Heat exchanger, in particular oil cooler for a motor vehicle |
Wolfgang Geiger |
2007-04-10 |
| 7146819 |
Method of monitoring refrigerant level |
Walter Demuth, Rainer Heilig, Volker Kirschner, Martin Kotsch, Hans-Joachim Krauss +4 more |
2006-12-12 |
| 6993838 |
Collector tube for a heat transfer unit and method for producing same |
Hans-Joachim Krauss, Hagen Mittelstrass, Christoph Walter, Bernd Dienhart |
2006-02-07 |
| 6843312 |
Air conditioning system and operating method for a motor vehicle with heat pump and/or reheat operating mode |
Roland Burk, Hans-Joachim Krauss, Hagen Mittelstrass, Christoph Walter |
2005-01-18 |
| 6810949 |
Multiblock heat-transfer system |
Hans-Joachim Krauss, 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, Hans-Joachim Krauss, Hagen Mittelstrass +3 more |
2004-08-10 |
| 6751983 |
Air conditioning unit with an inner heat transfer unit |
Bernd Dienhart, Hans-Joachim Krauss, Hagen Mittelstrass, Christoph Walter, Bernd Kallfass |
2004-06-22 |
| 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, Harald Raiser +2 more |
2004-03-16 |
| 6601640 |
Heat transmission unit for a motor vehicle |
Hans-Joachim Krauss, Hagen Mittelstrass, Christoph Walter, Bernd Dienhart |
2003-08-05 |
| 6588223 |
Optimized CO2 operated air-conditioning system |
Bernd Dienhart, Hans-Joachim Krauss, Hagen Mittelstrass, Christoph Walter, Jurgen Fischer +2 more |
2003-07-08 |
| 6546999 |
Flat tubes for heat exchanger |
Bernd Dienhart, Hans-Joachim Krauss, Hagen Mittelstrass, Christoph Walter, Jochen Schumm |
2003-04-15 |
| 6543239 |
Air-conditioning system operated with CO2 |
Bernd Dienhart, Hans-Joachim Krauss, Hagen Mittelstrass, Christoph Walter, Michael D. Katzenberger +2 more |
2003-04-08 |
| 6523606 |
Heat exchanger tube block with multichamber flat tubes |
Bernd Dienhart, Hans-Joachim Krauss, Hagen Mittelstrass, Christoph Walter, Jochen Schumm |
2003-02-25 |
| 6484796 |
Heat-exchanger tube block with a plurality of slotted header tubes |
Walter Demuth, Martin Kotsch, Hans-Joachim Krauss, Hagen Mittelstrass, Harald Raiser +3 more |
2002-11-26 |
| 6434972 |
Air conditioner with internal heat exchanger and method of making same |
Wolfgang Geiger, Hans-Joachim Krauss, Michael Sickelmann, Christoph Walter, Hagen Mittelstrass |
2002-08-20 |
| 6430950 |
Expansion element and a valve unit usable therefor |
Ing. Bernd Dienhart, Hans-Joachim Krauss, Hagen Mittelstrass, Christoph Walter, Jan Hinrichs +2 more |
2002-08-13 |
| 6425261 |
Condenser for a vehicle air-conditioning system |
Roland Burk, Hagen Mittelstrass |
2002-07-30 |