Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8561240 | Pool cleaning vehicle with endless loop track | — | 2013-10-22 |
| 8510889 | Automated pool cleaning vehicle with middle roller | Wing-Tak Hui | 2013-08-20 |
| 8450889 | Method and structure for cooling an electric motor | — | 2013-05-28 |
| 8430521 | Pool lighting assembly | Wing-Tak Hui | 2013-04-30 |
| 8281426 | Adapter for existing above ground pool return | — | 2012-10-09 |
| 8277621 | Halogen generator for above ground pools | — | 2012-10-02 |
| 8252155 | Electrolytic cell for generating chlorine in a pool | — | 2012-08-28 |
| 8252176 | Pool cleaning vehicle having an advanced drain system | — | 2012-08-28 |
| 8225446 | Pool cleaning vehicle with endless loop track | — | 2012-07-24 |
| 8220096 | Pool cleaning vehicle having internal drive propulsion | — | 2012-07-17 |
| 8207448 | Electrically conductive buoyant cable | — | 2012-06-26 |
| 8141191 | Pool cleaning vehicle having algorithm for moving | — | 2012-03-27 |
| 8110098 | Pool cleaning vehicle with filter element and self locking clip | — | 2012-02-07 |
| 8079726 | Pool light assembly | Wing-Tak Hui | 2011-12-20 |
| 8065771 | Pool cleaning brush | Fong-man Hui | 2011-11-29 |
| 8012345 | Pool cleaning vehicle having side vents and ducts | — | 2011-09-06 |
| 7878832 | Underwater connector with a deformable insertion member and a sealing member squeezed by a clamping member | — | 2011-02-01 |
| 7867389 | Pool cleaning vehicle having an advanced drain system | — | 2011-01-11 |
| 7804208 | Method and structure for cooling an electric motor | — | 2010-09-28 |