Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5511484 | Track working machine | Josef Theurer | 1996-04-30 |
| 5511485 | Method and apparatus for stabilizing a subgrade with additives added through the scarifier | Ernesto Romani, Livio Abbruzzese, Josef Theurer, Friedrich Oellerer | 1996-04-30 |
| 5502904 | Mobile machine for withdrawing ballast from a ballast bed | Josef Theurer | 1996-04-02 |
| 5469791 | Mobile machine for preparing rails for welding | Josef Theurer | 1995-11-28 |
| 5467717 | Work train for exchanging old ties for new ties | Josef Theurer | 1995-11-21 |
| 5456180 | Machine for rehabilitating a ballast bed | Josef Theurer, Friedrich Oellerer | 1995-10-10 |
| 5456181 | Machine for aspirating ballast from a ballast bed | Josef Theurer, Friedrich Oellerer | 1995-10-10 |
| 5452528 | Ballast planing machine | Josef Theurer | 1995-09-26 |
| 5394944 | Installation for the continuous rehabilitation of a ballast bed | Josef Theurer | 1995-03-07 |
| 5289648 | Machine arrangement for receiving, storing and distributing track ballast | Josef Theurer | 1994-03-01 |
| 5231929 | Ballast cleaning machine with vibrator attached to track lifting unit for vibrating the unit transversely when replacing track on the ballast | Josef Theurer | 1993-08-03 |
| 5193461 | Tie exchange machine with a tie exchange device which both removes old ties and inserts new ties | Josef Theurer | 1993-03-16 |
| 5172636 | Ballast cleaning machine with pivotal and varying speed conveyors for selectively controlling cleaned ballast distribution | Josef Theurer | 1992-12-22 |
| 5125345 | Tie exchange machine | Josef Theurer | 1992-06-30 |
| 5101584 | Mobile ballast regulator | Josef Theurer | 1992-04-07 |
| 5084989 | Mobile ballast plow | Josef Theurer | 1992-02-04 |
| 5074219 | Machine for detaching tie anchors | Josef Theurer | 1991-12-24 |
| 5067412 | Tie plate inserting machine | Josef Theurer | 1991-11-26 |
| 5063856 | Machine for picking up tie plates | Josef Theurer | 1991-11-12 |
| 4955301 | Tie exchange machine | Josef Theurer, Johann Hansmann | 1990-09-11 |
| 4896460 | Rail grinding machine | Josef Theurer | 1990-01-30 |
| 4862806 | Mobile tie gang apparatus and tie exchange method | Josef Theurer | 1989-09-05 |
| 4809614 | Mobile tie gang apparatus | Josef Theurer, Johann Hansmann | 1989-03-07 |