Issued Patents 2003
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6668728 | Machine for rehabilitating a track bed | Josef Theurer | 2003-12-30 |
| 6640726 | Machine for removing ties of a track | Josef Theurer | 2003-11-04 |
| 6637133 | Ballast cleaning machine | Josef Theurer | 2003-10-28 |
| 6619405 | Ballast cleaning machine and method | Josef Theurer | 2003-09-16 |
| 6618963 | Track maintenance machine and method for monitoring a track position | Josef Theurer | 2003-09-16 |
| 6598325 | Machine and method for clearing ballast | Josef Theurer | 2003-07-29 |
| 6591755 | Method of renewing ties of a railroad track, and installation for removing and storing damaged ties | Josef Theurer | 2003-07-15 |