Issued Patents All Time
Showing 25 most recent of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11254795 | Production of melamine-formaldehyde foams | Johann Martin Szeifert, Bernhard Vath, Tobias Heinz Steinke, Bettina Wester, Cecile Schneider +5 more | 2022-02-22 |
| 11236212 | Phyllosilicate-impregnated melamine-formaldehyde foam | Sebastian Alexander Weisse, Tobias Heinz Steinke, Bernhard Vath | 2022-02-01 |
| 6684937 | Module carrier for various heat exchangers for a motor vehicle engine | Anette Baumann-Kaiser, Oliver Braun, Martin Brielmair | 2004-02-03 |
| 6231963 | Magnetic recording media | August Lehner, Helmut Jakusch, Volker Koch, Manfred Ohlinger, Albert Kohl +7 more | 2001-05-15 |
| 5982567 | Magnetic recording apparatus with magnetic recording medium having high recording density | Hans J. Richter, Ronald J. Veitch | 1999-11-09 |
| 5968658 | Magnetic recording media | Ria Kress, Albert Kohl, August Lehner, Michael Hitzfeld | 1999-10-19 |
| 5858097 | Apparatus for the production of a magnetic recording medium | Volker Richter, Peter Nagel, Hans-Gunter Wagner, Norbert Gilbert | 1999-01-12 |
| 5552229 | Magnetic recording medium containing magnetic material dispersed in a polyurethaneurea-polyurethane binder | Gregor Brodt, Attila Vass, Werner Loch, August Lehner, Norbert Schneider | 1996-09-03 |
| 5543226 | Magnetic recording media | Michael Bobrich, August Lehner, Hermann Roller, Rudolf Suettinger, Ria Kress +6 more | 1996-08-06 |
| 5522457 | Heat exchanger, particularly radiator for internal combustion engines of commercial vehicles | — | 1996-06-04 |
| 5523151 | Magnetic recording media | Norbert Schneider, August Lehner, Ursula Klein, Werner Balz, Albert Kohl +1 more | 1996-06-04 |
| 5470650 | Magnetic recording media | August Lehner, Norbert Schneider, Hermann Roller, Werner Balz, Albert Kohl | 1995-11-28 |
| 5419959 | Magnetic recording medium having an infra-red light transparent balkcoat layer | Hermann Roller, Peter Heilmann, Michael Hitzfeld, Dieter Stockburger, Werner Latzel +4 more | 1995-05-30 |
| 5346761 | Flexible magnetic recording media having a backing coating containing a polyurethane resin having a phosphate group and precipated silica | Hermann Roller, Peter Engelhardt, Reinhold Baur, Michael Bobrich, Werner Latzel +1 more | 1994-09-13 |
| 5266407 | Magnetic recording media | Uwe Keppeler, Michael Bobrich, Helmut Auweter, Rudolf Suettinger, Albert Kohl +2 more | 1993-11-30 |
| 5266408 | Magnetic recording media | Uwe Keppeler, Hermann Dikow, Helmut Auweter, Michael Bobrich, Jochen Rudolph +3 more | 1993-11-30 |
| 5236764 | Component for absorbing impact energy | Friedrich Domas, Udo Haardt | 1993-08-17 |
| 5217810 | Magnetic recording medium having a magnetic layer containing chromium dioxide particles and linolenic acid | August Lehner, Rudolf Suettinger, Michael Bobrich, Hermann Dikow, Hermann Roller +3 more | 1993-06-08 |
| 5169721 | Magnetic recording media comprising a polyurethane binder resin containing perfluoro groups | Michael Bobrich, August Lehner, Albert Kohl, Rudolf Suettinger, Uwe Keppeler | 1992-12-08 |
| 5130202 | Magnetic recording medium containing an isocyanate-free branched thermoplastic polyurethane binder resin with urea groups at the chain ends | Uwe Keppeler, Michael Bobrich, Guenter Heil, Hermann Roller, August Lehner +1 more | 1992-07-14 |
| 5128191 | Flexurally strong component | Alfred Pirker, Wolfgang Seib | 1992-07-07 |
| 5120608 | Magnetic recording media comprising a polyurethane binder resin containing perfluoro groups | Michael Bobrich, August Lehner, Albert Kohl, Rudolf Suettinger, Uwe Keppeler +3 more | 1992-06-09 |
| 5082737 | Magnetic recording media having a branched thermoplastic polyurethane binder containing a polysiloxane component in the main chain | Michael Bobrich, Hermann Roller, August Lehner, Uwe Keppeler, Rudolf Suettinger +2 more | 1992-01-21 |
| 5075179 | Magnetic recording media | August Lehner, Rudolf Suettinger, Michael Bobrich, Hermann Dikow, Hermann Roller +3 more | 1991-12-24 |
| 5064721 | Magnetic recording media | August Lehner, Albert Kohl, Hermann Roller, Ludwig Kreitner, Helmut Kopke +2 more | 1991-11-12 |