Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9366136 | Device for coating tunnel walls | Lars Wingeier | 2016-06-14 |
| 6065685 | Spray nozzle | — | 2000-05-23 |
| 5851580 | Shotcrete spraying process | Felix Amberg, Markus Vogel | 1998-12-22 |
| 5458470 | Pumping apparatus | Othmar Mannhart | 1995-10-17 |
| 5094403 | Shotcrete gun | — | 1992-03-10 |
| 5076501 | Shotcrete gun | — | 1991-12-31 |