Retrofitted corrosive resistant venting system
US9140450B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 21, 2009 |
| Grant date | Sep 22, 2015 |
| Priority date | — |
| Expiry date | Dec 12, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/53
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A venting system and a method for installing the venting system. A non-flexible metallic venting pipe comprises a chase. A first end of the vent pipe is positioned adjacent an appliance installation and a second end positioned at an exit to an external region of a home. A flexible vent tube comprising a sealed non-corrosive material, having a first end and a second end, is positioned between the first end of the venting pipe and the second end of the venting pipe. Adapters are positioned at the ends of the venting pipe. A method comprises routing a flexible venting tube comprising sealed, corrosion resistant venting material through an existing non-flexible double-walled vent comprising non-sealed material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.