Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6061869 | Vacuum cleaner provided with a suction nozzle with controllable electrical drive means | Aafje Gijsbertha Koster, Frits Last, Fokke Roelof Voorhorst | 2000-05-16 |
| 6044002 | Flyback converter with limited output power | Roelf Van Der Wal | 2000-03-28 |
| 6016261 | Switching voltage converter with synchronous rectification | Johannes A. De Wit, Roelf Van Der Wal, Jacob Hendrik Botma | 2000-01-18 |
| 5859524 | Power supply system for an apparatus with rechargeable batteries, and power supply unit and apparatus for such a power supply system | — | 1999-01-12 |
| 5844374 | Inverter arrangement employing resonant capacitive elements directly connected across the switching elements for zero voltage switching | Johan P. De Temmerman | 1998-12-01 |
| 5757629 | Switched-mode power supply with compensation for varying input voltage | Johannes Yntema, Schelte Heeringa | 1998-05-26 |
| 5736884 | Device for generating a control signal dependent on a variable resistance value and apparatus comprising such device | Peter Sofrides Viet, Johannes A. De Wit | 1998-04-07 |
| 5341085 | Power supply circuit with standby arrangement | — | 1994-08-23 |