Cleanout conduit valve assemblies and installations

US11536374B2 · kind B2 · utility

Inventors

• David Alan Putnam · Calhoun, US
• Steve E. Moore · Chapel Hill, US

Key dates

• Filing date: Feb 10, 2021
• Grant date: Dec 27, 2022
• Expiry date: Feb 10, 2041

Classification

• Technology area (CPC E): Fixed Constructions
• CPC primary: E03F7/06
• WIPO field: Civil engineering
• WIPO sector: Other fields

Abstract

Cleanout conduit valve installations may include at least one cleanout housing having a cleanout housing interior and configured for placement in the cleanout conduit hole with the at least one cleanout conduit extending into the cleanout housing interior. A cleanout housing opening may overlie the cleanout housing interior. An openable cleanout housing door may be disposed in the cleanout housing opening. At least one cleanout conduit valve assembly may be configured to be disposed in fluid communication with the at least one cleanout conduit in the cleanout housing interior of the at least one cleanout housing. The at least one cleanout conduit valve assembly may include a valve housing configured for mounting on the at least one cleanout conduit. A valve mount may be carried by the valve housing. A valve may include a valve arm pivotally carried by the valve mount. A valve stop may extend from the valve arm. A valve body may be carried by the valve arm. The valve body may have a sealing surface. The valve may be positional between a closed valve position configured to seal the valve housing and a full open valve position configured to unseal the valve housing. The valve stop may…