Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8393265 | Device for delivering thick matter | Klaus Neubrand | 2013-03-12 |
| 8033214 | Device for delivering thick matter | Klaus Neubrand | 2011-10-11 |
| 4908129 | Impervious layer formation process and landfill adsorption system | Jurgen Spirres | 1990-03-13 |
| 4850746 | Rock anchor assembly for securing roadways and wall surfaces of open cuts and tunnels | Rudiger Bartsch | 1989-07-25 |
| 4594827 | Tension member, particularly for use as a diagonal cable in a stayed girder bridge | — | 1986-06-17 |
| 4473915 | Tension member and a method of assembling and installing the tension member | — | 1984-10-02 |
| 4312288 | Floating structure for effecting energy transformation from sea water | Erich Aigner | 1982-01-26 |
| 4282036 | Flowable concrete mixture | Ulrich Finsterwalder, Kurt Koch, Hans Puls | 1981-08-04 |
| 4274356 | Semi-submersible floating structure | — | 1981-06-23 |