Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7080424 | Swimming pool cleaner | Manfred Stahle | 2006-07-25 |
| 6631533 | Swimming pool cleaner component | Manfred Stahle | 2003-10-14 |
| 6076560 | Pool cleaner hose weight | Manfred Stahle | 2000-06-20 |
| D417905 | Relief valve | Manfred Stahle | 1999-12-21 |
| 5904171 | Relief valve | Manfred Stahle | 1999-05-18 |
| 5348051 | Flexible swimming pool cleaner hose | — | 1994-09-20 |
| D343034 | Counterbalance for an automatic swimming pool cleaner head | — | 1994-01-04 |
| D343035 | Counterbalance for an automatic swimming pool cleaner head | — | 1994-01-04 |
| D325796 | Automatic swimming pool cleaner | — | 1992-04-28 |
| 5105848 | Automatic relief valve | — | 1992-04-21 |
| 5100541 | In-line debris trap for swimming pool filtration system | — | 1992-03-31 |
| 5033504 | Automatic relief valve | — | 1991-07-23 |
| 5014382 | Swimming pool cleaner | — | 1991-05-14 |
| 4982754 | Pool cleaner accessory | — | 1991-01-08 |
| 4949419 | Pool cleaner component | — | 1990-08-21 |
| 4807318 | Suction operated cleaner | — | 1989-02-28 |
| 4742593 | Valve member for water interruption pool cleaner | — | 1988-05-10 |
| 4642833 | Valve assembly | Andries J. Stoltz | 1987-02-17 |