Ridge vent for use on a roof ridge
US11306930B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 5, 2018 |
| Grant date | Apr 19, 2022 |
| Priority date | — |
| Expiry date | Nov 30, 2039 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF24F2221/52
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A vent having a continuous, elongate mat having an upper face and a lower face, and having a first portion and a second portion. The mat includes a plurality of columns of patterned three-dimensional structures of a network of randomly convoluted polymeric filaments having a first density, at least one of the plurality of columns of patterned three-dimensional structures being provided in the first portion, and at least one other of the plurality of columns of patterned three-dimensional structures being provided in the second portion. The mat includes a throat portion between the first portion and the second portion, the throat portion having a network of randomly convoluted polymeric filaments of a second density different than the first density, a first cover layer covering an outer edge of the first portion, and a second cover layer covering an outer edge of the second portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.