Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5295337 | Isolation element and the use thereof at an isolation arrangement | — | 1994-03-22 |
| 5192168 | Method and apparatus for stabilizing friction soil and adjacent cohesion soil layers | Gunter Heppel | 1993-03-09 |
| 5085539 | Method and arrangement for influencing the interaction between a layer of earth and a structure situated in association with the layer of earth | — | 1992-02-04 |
| 4699546 | Method and apparatus for compacting a soil stratum using vibrations | — | 1987-10-13 |
| 4685835 | Method of increasing the compressibility of liquid-saturated material | — | 1987-08-11 |
| 4647258 | Arrangement in vibration isolation or vibration damping | — | 1987-03-03 |