3S Systemtechnik AG
6Patents
2Active
6Granted
31Portfolio score
Filing activity: Aug 19, 1991 → Feb 2, 2010 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5245723A | Self-propelled cleaning apparatus, particularly for swimming pools | Fixed Constructions | 82 | Expired |
| US6473927B1 | Swimming bath cleaning device | Fixed Constructions | 61 | Expired |
| US6309468A | Working method and cleaning device for cleaning a swimming pool | Fixed Constructions | 26 | Expired |
| US5256207A | Process for cleaning a swimming pool | Fixed Constructions | 23 | Expired |
| US7682461B2 | Working method and cleaning device to clean a swimming pool | Fixed Constructions | 16 | Active |
| US7987543B2 | Working method and cleaning device to clean a swimming pool | Fixed Constructions | 2 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.