Issued Patents All Time
Showing 201–225 of 344 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5007350 | Universal mobile track leveling, lining and tamping machine | — | 1991-04-16 |
| 5007349 | Mobile track leveling, lining and tamping machine | — | 1991-04-16 |
| 4986189 | Mobile track working machine | Josef Gollner | 1991-01-22 |
| 4983801 | Rail tensioning apparatus | Johann Hansmann, Friedrich Oellerer, Leopold R. Gruber | 1991-01-08 |
| 4955302 | Mobile tie gang apparatus | Johann Hansmann | 1990-09-11 |
| 4955301 | Tie exchange machine | Johann Hansmann, Herbert Worgotter | 1990-09-11 |
| 4953467 | Track surfacing machine with track stabilization | — | 1990-09-04 |
| 4947757 | Method and machine arrangement for working in a track switch section | — | 1990-08-14 |
| 4939998 | Ballast tamping machine | — | 1990-07-10 |
| 4938239 | Mobile track bed cleaning machine and method | Friedrich Oellerer | 1990-07-03 |
| 4929816 | Electric flash-butt welding machine and method of providing a welded joint between adjacent ends of rail sections | Friedrich Oellerer, Leopold R. Gruber | 1990-05-29 |
| 4922828 | Ballast tamping tool | Johann Hansmann | 1990-05-08 |
| 4911246 | Ballast cleaning machine | Manfred Brunninger | 1990-03-27 |
| 4911599 | Mobile installation for loading, transporting and unloading | Johann Hansmann, Friedrich Oellerer | 1990-03-27 |
| 4905604 | Mobile switch leveling, lining and tamping machine | — | 1990-03-06 |
| 4903608 | Machine for laterally displacing a track | Friedrich Peitl | 1990-02-27 |
| 4896460 | Rail grinding machine | Herbert Worgotter | 1990-01-30 |
| 4893565 | Mobile track switch working machine | Wilhelm Praschl | 1990-01-16 |
| 4892151 | Ballast cleaning machine | Manfred Brunninger | 1990-01-09 |
| 4892040 | Ballast tamping machine | — | 1990-01-09 |
| 4884509 | Mobile tie gang apparatus | Johann Hansmann, Friedrich Oellerer | 1989-12-05 |
| 4881467 | Continuously advancing track maintenance or rehabilitation machine | — | 1989-11-21 |
| 4878435 | Mobile tie exchange machine arrangement | — | 1989-11-07 |
| 4862806 | Mobile tie gang apparatus and tie exchange method | Herbert Worgotter | 1989-09-05 |
| 4858696 | Mobile ballast cleaning machine | Manfred Brunninger | 1989-08-22 |