Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6892695 | Combustion process with charge stratification for an internal combustion engine with direct injection and spark ignition | Stephan Rubbert, Martin Berckmueller | 2005-05-17 |
| 6765339 | Infrared lamp and procedure for heating material to be processed | Walter Dieudonne, Joachim Scherzer, Siegfried Grob | 2004-07-20 |
| 6577816 | Infrared radiation system with multiple IR radiators of different wavelength | Siegfried Grob, Joachim Scherzer, Walter Dieudonne | 2003-06-10 |
| 6534904 | Infrared lamp with carbon ribbon being longer than a radiation length | Walter Dieudonne, Joachim Scherzer, Siegfried Grob | 2003-03-18 |
| 6421503 | Infrared radiation system with multiple IR radiators of different wavelength | Siegfried Grob, Joachim Scherzer, Walter Dieudonne | 2002-07-16 |
| 5276763 | Infrared radiator with protected reflective coating and method for manufacturing same | Wolfgang Gobel, Wolfgang Wild | 1994-01-04 |
| 4447806 | Test circuit for electrical continuity of a load circuit | Manfred Gundel, Heinz-Werner Schlamm | 1984-05-08 |
| 4351972 | Process for making anhydrous alkyl iodides | Hans-Klaus Kubbeler, Heinz Erpenbach, Klaus Gehrmann | 1982-09-28 |
| 4333884 | Production of acetic anhydride | Hans-Klaus Kubbeler, Heinz Erpenbach, Klaus Gehrmann | 1982-06-08 |