Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9415527 | Method for producing concrete blocks | Manfred Staehle | 2016-08-16 |
| 9061438 | Device and method for artificial aging of stones | Manfred Staehle | 2015-06-23 |
| 8696341 | Device for producing concrete blocks | Manfred Staehle | 2014-04-15 |
| 8616803 | Paving stone having stone flanks oriented preferably perpendicular to the laying plane | — | 2013-12-31 |
| 7674155 | Process and apparatus for artificially ageing blocks | Martin Rothdach, Thomas Riedle, Hermann Sauter | 2010-03-09 |
| 7651328 | Process and apparatus for artificially ageing blocks | Manfred Staehle, Roland Werner | 2010-01-26 |
| 7404755 | Process and apparatus for artificially ageing blocks | Martin Rothdach, Thomas Riedle, Hermann Sauter | 2008-07-29 |
| 6041911 | Apparatus for sorting blocks | — | 2000-03-28 |