Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12320144 | Concepts underwater communication with equipment such as automatic swimming pool cleaners | Hendrikus Johannes van der Meijden | 2025-06-03 |
| 12078488 | Mapping and tracking methods and systems principally for use in connection with swimming pools and spas | Abian van der Meijden, Hendrikus Johannes van der Meijden | 2024-09-03 |
| 11994391 | Determining characteristics of liquid-containing vessels such as swimming pools and spas and using such characteristics in operation of the vessels | Hendrikus Johannes van der Meijden, E. Keith McQueen, Richard E. Mills | 2024-05-28 |
| 11519732 | Mapping and tracking methods and systems principally for use in connection with swimming pools and spas | Abian van der Meijden, Hendrikus Johannes van der Meijden | 2022-12-06 |
| 11473326 | Buoyant automatic cleaners for spas and other water-containing vessels | Hendrikus Johannes van der Meijden | 2022-10-18 |
| 11371254 | Buoyant automatic cleaners for spas and other water-containing vessels | Hendrikus Johannes van der Meijden | 2022-06-28 |
| 10968651 | Buoyant automatic cleaners for spas and other water-containing vessels | Hendrikus Johannes van der Meijden | 2021-04-06 |