Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6519928 | Process for the production of a transverse thrust in a flying object | Wolfgang Muller, Joachim Reinecke, Peter Gleich | 2003-02-18 |
| 5661970 | Thrust-generating device | Wolfgang Muller | 1997-09-02 |
| 4337685 | Apparatus for generating a propellant gas | Wolfgang Muller, Heinrich Strobl | 1982-07-06 |
| 4304308 | Burner apparatus for making holes in coal seams | Helmut Hopmann, Armin Sowa, Christian Beckeryordersandforth, Walter Terschuren | 1981-12-08 |
| 4301875 | Method for making holes and producing gas in coal seams | Helmut Hopmann, Armin Sowa, Christian Beckervordersandforth, Walter Terschuren | 1981-11-24 |
| 4260194 | Method and device for producing underground cavities using a driving shield | Friedrich K. Blindow, Jürgen Decker, Heinrich Kluibenschedl, Armin Sowa, Harald Wagner | 1981-04-07 |
| 4254828 | Apparatus for producing fractures and gaps in geological formations for utilizing the heat of the earth | Armin Sowa | 1981-03-10 |
| 4224991 | Method and apparatus for extracting crude oil from previously tapped deposits | Armin Sowa | 1980-09-30 |
| 4190121 | Thermal drilling device | Werner Baum | 1980-02-26 |