Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8485608 | Heading or extraction machine | Manfred Meier | 2013-07-16 |
| 7048340 | Method for introducing and blowing rock dust and device for carrying out said method | Kurt-Michael Schaffer, Grant Norman Colbert | 2006-05-23 |
| 6785988 | Driving or mining machine | Ralf Grief, Karl Lerchbaum, Reinhard Neuper | 2004-09-07 |
| 5673974 | Dry dust removal device | Alfred Zitz | 1997-10-07 |
| 5193295 | Installation for shifting won minerals | Helmut Gradenegger, Eduard Krivec | 1993-03-16 |