Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5242272 | Method and device for pumping a liquid at high temperature through a pipe | Kari Ven, Juha Ven, Petri A. G. Ven, Irja Ven | 1993-09-07 |
| 5151827 | Self-supporting mirror and method for the manufacture thereof | Kari Ven, Petri A. G. Ven, Irja Ven, Juha Ven | 1992-09-29 |
| 4781173 | Evaporating device and electric supply station provided with such an evaporating device | Juha Ven, Kari Ven, Petri A. G. Ven | 1988-11-01 |