Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5009064 | Apparatus for measuring the particulate matter in the flue gas or exhaust gas from a combustion process | Ferdinand Grob, Dieter Kienzler, Ernst Linder, Heinz Stutzenberger | 1991-04-23 |
| 4922714 | Device for measuring the particle emissions of an internal combustion engine | Ferdinand Grob, Ernst Linder, Dieter Kienzler, Heinz Stutzenberger | 1990-05-08 |