Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6220617 | Coupling device for connecting a towing vehicle to a semi-trailer, and method for the modification of coupling devices | — | 2001-04-24 |
| 5722678 | Trailer coupling assembly | — | 1998-03-03 |
| 4928987 | Fifth wheel coupling | — | 1990-05-29 |
| 4928488 | Hydraulically-operated support device for semitrailers | — | 1990-05-29 |
| 4907815 | Fifth wheel coupling | — | 1990-03-13 |
| 4749201 | Sealing unit and a process for sealing parts | — | 1988-06-07 |
| 4457531 | Trailer coupling | — | 1984-07-03 |
| 4362304 | Packing arrangement for a floating piston | — | 1982-12-07 |