Underdrain filter block
US10052572B2 · kind B2 · utility
1Cited by
19References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 29, 2014 |
| Grant date | Aug 21, 2018 |
| Priority date | — |
| Expiry date | Jun 28, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49828
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An underdrain filter block includes a top wall, a pair of side walls extending from the top wall, a bottom wall extending between the pair of side walls, first and second ribs, and a wall segment extending between the first rib and the second rib to define a grout chamber configured to receive grout during installation of the underdrain filter block.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.