HS

Holger Seifert

Basf Se: 11 patents #1,483 of 13,826Top 15%
BG Basf Schwarzheide Gmbh: 4 patents #1 of 30Top 4%
EG Elastogran Gmbh: 1 patents #1 of 15Top 7%
PG Phoenix Contact E-Mobility Gmbh: 1 patents #15 of 25Top 60%
Overall (All Time): #273,323 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10535940 Plug-in connector with a heat capacity element arranged on a contact element Thomas Fuehrer 2020-01-14
9657133 Rigid polyurethane foams Johann Klassen, Louis Du Rieu, Werner Wiegmann, Guenter Matzke 2017-05-23
8293807 Method for the production of rigid polyurethane foam Andreas Emge, Daniel Freidank 2012-10-23
7893124 Method for producing rigid polyurethane foams Andreas Emge, Stefan Dinsch, Johann Klassen, Christian Stelling 2011-02-22
6495652 Prepolymers containing isocyanate groups and a method for the production thereof Michael Reichelt, Udo Rotermund, Renate Hempel, Peter Falke, Peter von Malotki 2002-12-17
6284812 Thermally stable rigid foams based on isocyanate and having low brittleness and low thermal conductivity Udo Rotermund, Renate Hempel, Werner Schmiade 2001-09-04
6100308 Preparation of polyurethanes having improved curing Bernd Guettes, Stefan Dinsch, Gottfried Knorr 2000-08-08
6040349 Production of rigid polyurethanes foams with reduced density Gottfried Knorr, Udo Rotermund, Eva Baum, Werner Wiegmann 2000-03-21
5895792 Production of rigid polyurethane foams Udo Rotermund, Renate Hempel, Werner Wiegmann 1999-04-20
5750586 Production of CFC-free polyurethane rigid foams having a reduced thermal conductivity and their use Stefan Adams 1998-05-12
5684092 Production of rigid foams based on isocyanate Renate Hempel, Gottfried Knorr, Udo Rotermund 1997-11-04
5670554 Production of CFC-free polyurethane rigid foams having a reduced thermal conductivity and their use Stefan Adams 1997-09-23
5624969 Production of rigid foams based on isocyanate Renate Hempel, Gottfried Knorr, Udo Rotermund 1997-04-29
5556891 Prepolymers containing isocyanate groups Juergen Winkler, Regina Pretzsch, Robert O'Meara 1996-09-17
5530154 Prepolymers containing isocyanate groups Juergen Winkler, Regina Pretzsch, Robert O'Meara 1996-06-25
5492941 Polyurethane-based, compact moldings or moldings having a cellular core and a compacted surface, process for their production, and their use as shoe or shoe sole material Peter Falke, Marion Heinz 1996-02-20
5488070 Polyurethane-based, compact moldings or moldings having a cellular core and a compacted surface, process for their production, and their use as shoe or shoe sole material Peter Falke, Marion Heinz 1996-01-30