Drain valve device

WO2025217710A1PCT designated stage Publication Date: 2025-10-23GREEN DRAIN DO BRASIL HOLDING LTDA
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Patent Information

Application Number
PCT/BR2025/050147
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-04-17
Filing Date
2025-04-17
Publication Date
2025-10-23

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Abstract

Disclosed is a drain valve device configured for selective installation within a drainage pipe of a plumbing system in order to improve flow while mitigating against backflow and one or more from among pathogens, gases, odours and pests within the plumbing system.
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