Pipe exhaust check valve
CN309964220SActive Publication Date: 2026-05-05陈威
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- 陈威
- Filing Date
- 2025-09-29
- Publication Date
- 2026-05-05
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Figure 000001_ABST
Abstract
1. Name of the product in this design: Pipeline exhaust check valve. 2. Purpose of this design: To be used inside the flue of a bathroom to prevent smoke from flowing back into the room. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.
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