Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5110483 | Separation of particles adsorbed on carrier material | — | 1992-05-05 |
| 4527220 | Multiphase switchgear for high voltages | Marius F. F. van Wijnandsbergen, Gijsbert W. Irik, Pieter Marien | 1985-07-02 |
| 4367381 | Switch for high voltages | Pieter Marien, Gijsberg W. Irik | 1983-01-04 |
| 4258410 | High voltage distribution system with movable voltage measuring transformer | — | 1981-03-24 |