Corrugated metal vent pipe and associated system and method
US9890877B2 · kind B2 · utility
0Cited by
18References
14Claims
0Family size
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Key dates
| Filing date | Aug 19, 2015 |
| Grant date | Feb 13, 2018 |
| Priority date | — |
| Expiry date | Feb 3, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L9/06
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A corrugated metal vent pipe includes a helically corrugated pipe structure formed by helical winding of a corrugated metal strip, wherein the helically corrugated pipe structure has a diameter of between 15 inches and 36 inches and a plurality of vent openings distributed thereon. A first pipe end treatment is located on a first end of the helically corrugated pipe structure, and a second pipe end treatment is located on a second end of the helically corrugated pipe structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.