HM

Hagen Mittelstrass

B& Behr Gmbh &: 17 patents #6 of 309Top 2%
VT Visteon Global Technologies: 4 patents #229 of 1,929Top 15%
BK Behr Gmbh & Co. Kg: 3 patents #48 of 336Top 15%
LF Luk Fahrzeug-Hydraulik: 1 patents #32 of 59Top 55%
📍 Nagold, DE: #3 of 140 inventorsTop 3%
Overall (All Time): #175,010 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDate
8590607 Heat exchanger for a motor vehicle Walter Demuth, Martin Kotsch, Michael Kranich, Hans-Joachim Krauss, Karl-Heinz Staffa +1 more 2013-11-26
7650935 Heat exchanger, particularly for a motor vehicle Walter Demuth, Martin Kotsch, Michael Kranich, Hans-Joachim Krauss, Karl-Heinz Staffa +1 more 2010-01-26
7481266 Heat exchanger for a motor vehicle Walter Demuth, Martin Kotsch, Michael Kranich, Hans-Joachim Krauss, Karl-Heinz Staffa +1 more 2009-01-27
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 Karl-Heinz Staffa, Hans-Joachim Krauss, 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, Karl-Heinz Staffa, Christoph Walter 2005-01-18
6810949 Multiblock heat-transfer system Karl-Heinz Staffa, Hans-Joachim Krauss, 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, Harald Raiser +3 more 2004-08-10
6751983 Air conditioning unit with an inner heat transfer unit Bernd Dienhart, Hans-Joachim Krauss, Karl-Heinz Staffa, 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
6601640 Heat transmission unit for a motor vehicle Karl-Heinz Staffa, Hans-Joachim Krauss, Christoph Walter, Bernd Dienhart 2003-08-05
6588223 Optimized CO2 operated air-conditioning system Bernd Dienhart, Hans-Joachim Krauss, Karl-Heinz Staffa, Christoph Walter, Jurgen Fischer +2 more 2003-07-08
6546999 Flat tubes for heat exchanger Bernd Dienhart, Hans-Joachim Krauss, Karl-Heinz Staffa, Christoph Walter, Jochen Schumm 2003-04-15
6543239 Air-conditioning system operated with CO2 Bernd Dienhart, Hans-Joachim Krauss, Karl-Heinz Staffa, Christoph Walter, Michael D. Katzenberger +2 more 2003-04-08
6523606 Heat exchanger tube block with multichamber flat tubes Bernd Dienhart, Hans-Joachim Krauss, Karl-Heinz Staffa, 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, Harald Raiser, Jochen Schumm +3 more 2002-11-26
6434972 Air conditioner with internal heat exchanger and method of making same Wolfgang Geiger, Hans-Joachim Krauss, Michael Sickelmann, Karl-Heinz Staffa, Christoph Walter 2002-08-20
6430950 Expansion element and a valve unit usable therefor Ing. Bernd Dienhart, Hans-Joachim Krauss, Karl-Heinz Staffa, Christoph Walter, Jan Hinrichs +2 more 2002-08-13
6425261 Condenser for a vehicle air-conditioning system Roland Burk, Karl-Heinz Staffa 2002-07-30
6357522 Multi-channel flat tube Bernd Dienhart, Hans-Joachim Krauss, Roland Schirrmacher, Karl-Heinz Staffa, Christoph Walter 2002-03-19
6298687 Integrated collector and heat transfer structure unit Bernd Dienhart, Hans-Joachim Krauss, Karl-Heinz Staffa, Christoph Walter 2001-10-09
6189334 Air conditioner Bernd Dienhart, Hans-Joachim Krauss, Karl-Heinz Staffa, Christoph Walter 2001-02-20
6170569 Intake plenum unit for a heat exchanger Bernd Dienhart, Hans-Joachim Krauss, Jochen Schumm, Karl-Heinz Staffa, Christopher Jon Walter 2001-01-09
5992174 Insert for a collector profile of a condenser 1999-11-30