Drainage system
US12227949B2 · kind B2 · utility
0Cited by
9References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 7, 2021 |
| Grant date | Feb 18, 2025 |
| Priority date | — |
| Expiry date | Jul 5, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B80/32
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The invention refers to a drainage system (100), in particular a roof drainage system, comprising an outlet member (10) and a flow restrictor (20), whereby the flow restrictor (20) is situated above the outlet member (10). The flow restrictor (20) comprises a contact portion (22) and the outlet member (10) comprises a flange portion (12), whereby a first sealing member (30) is arranged on and/or along the flange portion (12) of the outlet member (10) and a second sealing member (40) is arranged at the contact portion (22) of the flow restrictor (20).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.