Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10121348 | Method of data communication with multiple liquid level detection sensors connected to a central processing unit, and liquid level detection system | Jan Cornelis De Boer, Arie Pieter Wilhelmus Van Der Maarl | 2018-11-06 |
| 9869576 | Optical liquid level detection sensor and liquid overfill prevention system comprising such sensor | Arie Pieter Wilhelmus Van Der Maarl, Jan Cornelis De Boer | 2018-01-16 |