Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10899641 | Degassing device for anaerobic purification device | Antonius Bernardus Vallinga, Veronica Henrika Johanna Groot Kormelinck, Leonard Hubertus Alphonsus Habets, Jacob Cornelis Theodorus Vogelaar | 2021-01-26 |
| 10843949 | Anaerobic purification device with variable water column | Leonard Hubertus Alphonsus Habets, Remco de Vries, Veronica Henrika Johanna Groot Kormelinck, Jacob Cornelis Theodorus Vogelaar | 2020-11-24 |
| 8066878 | Anaerobic purification device | Sjoerd Hubertus Jozef Vellinga, Antonius Johannes Jorna, Leonard Hubertus Alphonsus Habets | 2011-11-29 |