Issued Patents 1982
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4363753 | Mechanically stable screen cloth construction made of metal | Edgar Koberstein, Hans-Dieter Pletka, Herbert Voelker | 1982-12-14 |
| 4362605 | Sensor for measuring the oxygen content in the exhaust gas of combustion engines and method thereof | Edgar Koberstein, Hans-Dieter Pletka, Herbert Voelker | 1982-12-07 |
| 4318894 | Apparatus for the catalytic purification of exhaust gases | Jorg Hensel, Edgar Koberstein, Martin Volker | 1982-03-09 |
| 4316823 | Method of manufacturing a monolithic metallic matrix coated with a catalysis promoting metal oxide | Edgar Koberstein, Hans-Dieter Pletka, Herbert Voelker | 1982-02-23 |