Patents per Year
Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 7928275 | Method for producing acetylene | Kai Rainer Ehrhardt, Christopher P Witte, Michael L. Hayes | 2011-04-19 | |
| 6365792 | Preparation of acetylene and synthesis gas | Dieter Stapf, Peter Passler, Olaf Scheidsteger, Bernd Bartenbach | 2002-04-02 | $364,000 |
| 5824834 | Process for the production of acetylene and synthesis gas | Rudolf Schnur, Peter Passler, Olaf Scheidsteger, Werner Kastenhuber, Gerd Schlindwein +1 more | 1998-10-20 |