Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5702580 | Measuring sensor for determining the oxygen content of gas mixtures | Hermann Dietz, Claudio De La Prieta, Gert Lindemann, Ulrich Eisele, Carmen Schmiedel | 1997-12-30 |
| 5686654 | Measuring sensor for determining the oxygen content in gas mixtures | Karl-Hermann Friese | 1997-11-11 |
| 5678518 | Auxiliary starter, particularly for diesel engines | Wolfgang Grothe | 1997-10-21 |
| 5653858 | Limit current sensor for determining the lambda value in gas mixtures | Karl-Hermann Friese | 1997-08-05 |
| 5628848 | Process for the production of composite systems having at least two inorganic ceramic layers | Karl-Hermann Friese, Ulrich Eisele | 1997-05-13 |