Intelligent well lid
CN309821038SActive Publication Date: 2026-02-27SHANGHAI GUANNENGHUI INTELLIGENT TECHNOLOGY CO LTD
View PDF 0 Cites 0 Cited by
Patent Information
- Application Number
- CN202530247253.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-30
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2040-04-30
Smart Images
Figure 000007_ABST
Abstract
1. The name of the design product: wisdom well lid. 2. The use of the design product: the design product is used in the embedded circular cement well lid, and whether the methane, ethane and other flammable and explosive gases in the gas pipeline node well cellar leak. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.
Need to check novelty before this filing date? Find Prior Art