Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11964404 | Shaving unit, electric shaver having the shaving unit, and associated method | Johannes Dirk Wierstra, Marinus Arnoldus Martinus Vugts, Nikolaj Vasiljevitsj ZJIROECHA, Arend Hinderikus Bakker, Babu Varghese +5 more | 2024-04-23 |
| 11872709 | Shaving device, shaving system with the shaving device and a cleaning device, and a cleaning method | Tim MENGERINK, Johannes Antonius Jansen, Jeroen Christian Nijdam | 2024-01-16 |
| 9614446 | Power supply device | Tjerk Kornelis Bij De Leij | 2017-04-04 |
| 8253419 | Battery voltage monitoring system for monitoring the battery voltage of a series arrangement of more than two batteries | Schelte Heeringa, Wilhelmus Gerardus Maria Ettes, Job Van Der Van Der Burg, Pascal Homan | 2012-08-28 |
| 8138725 | Simulated fast recharge of power supply | Schelte Heeringa | 2012-03-20 |
| 5828203 | Battery charger with charging current variation based on a temperature difference between the battery and its environment | Wieger Lindeboom | 1998-10-27 |
| 5717320 | Power supply circuit | Schelte Heeringa | 1998-02-10 |
| 5604419 | Charging device for charging rechargeable batteries with temperature-dependent termination of the charging process | Johann R. G. C. M. Van Beek, Eduard E. A. Gillissen, Martinus H. Van Maaren | 1997-02-18 |