Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8312592 | Cleaning apparatus for releasing and transporting particles away from an area to be cleaned | Fokke Roelof Voorhorst, Johan Pragt, Freddy Moes, Lorcan Kemple | 2012-11-20 |
| 7615088 | Cyclonic separator for separating particles from an airflow and vacuum cleaner including such a separator | Fred Fraij | 2009-11-10 |
| 6427580 | Device for heating a liquid, and deep-frying vessel with such a device | Jacob Hendrik Botma, Klaas Kooyker | 2002-08-06 |
| 6192788 | Grilling appliance | Klaas Kooyker | 2001-02-27 |
| 6116149 | Toaster | Klaas Kooijker | 2000-09-12 |
| 5924414 | Deep-frying device | Michiel A. A. Schallig, Wilhelmus H. M. Bruggink | 1999-07-20 |
| 5221300 | Dust separator and filter suitable for use in such a dust separator | Hans Hoogland | 1993-06-22 |
| 5034721 | Heating element conveniently formed from flat blank | — | 1991-07-23 |
| 4490907 | Shaving apparatus | — | 1985-01-01 |