Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4683870 | Apparatus for deicing exterior parts of a railway vehicle | — | 1987-08-04 |
| 4674718 | Method and apparatus for keeping railway switches free from snow | — | 1987-06-23 |
| 4292809 | Procedure for converting low-grade thermal energy into mechanical energy in a turbine for further utilization and plant for implementing the procedure | — | 1981-10-06 |