Drain protector
US11124960B1 · kind B1 · utility
2Cited by
16References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 20, 2020 |
| Grant date | Sep 21, 2021 |
| Priority date | — |
| Expiry date | Mar 20, 2040 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE03F2005/061
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A drain protector having a flexible adsorbent pad, a raised insert, and a cover is described. The pad and the insert each includes aligned apertures. The raised insert is positioned over the flexible adsorbent pad or within the aperture of the flexible adsorbent pad. The cover is connected to the flexible adsorbent pad, a raised insert, forming a space over the insert. The drain protector is made from adsorbent material for blocking sediment, collecting contaminants and filtering water into a drain. The cover of the drain protector reinforces the sheet and insert to protect against damage from traffic over the drain protector.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.