Soundproof window ventilation silencer
CN309930161SActive Publication Date: 2026-04-17SHANGHAI YIXIN ENVIRONMENTAL PROTECTION TECH DEV
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- SHANGHAI YIXIN ENVIRONMENTAL PROTECTION TECH DEV
- Filing Date
- 2025-10-09
- Publication Date
- 2026-04-17
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Figure 000007_ABST
Abstract
1. Name of the product in this design: Soundproof window ventilation silencer. 2. Purpose of this design: It is an interior surface structure for a ventilated and soundproof window, which allows for ventilation and noise reduction whether the window is closed or open. 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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