Sel-reporting monitor for integrity and conditions of manhole cover
US-12473705-B2 · Nov 18, 2025 · US
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Zhengzhou Wanmayun Electronic Tech Co Ltd — Fixed Constructions
Zhengzhou Wanmayun Electronic Tech Co Ltd holds 4 patents in Fixed Constructions, with representative filings summarized below.
| Metric | Value |
|---|---|
| Company | Zhengzhou Wanmayun Electronic Tech Co Ltd |
| Technology | Fixed Constructions |
| Patents in slice | 4 |
| Recent patents in slice | 3 |
| First year | 2023 |
| Last year | 2025 |
Representative patents
Notable publications linking Zhengzhou Wanmayun Electronic Tech Co Ltd to Fixed Constructions.
Sel-reporting monitor for integrity and conditions of manhole cover
US-12473705-B2 · Nov 18, 2025 · US
Sel-reporting monitor for integrity and conditions of manhole cover
US-12473705-B2 · Nov 18, 2025 · US
Monitoring device and well cover assembly
US-12012713-B2 · Jun 18, 2024 · US
Monitoring device and well cover assembly
US-2024044098-A1 · Feb 8, 2024 · US
Recent filings
Latest patents from Zhengzhou Wanmayun Electronic Tech Co Ltd in Fixed Constructions.
Sel-reporting monitor for integrity and conditions of manhole cover
US-12473705-B2 · Nov 18, 2025 · US
Sel-reporting monitor for integrity and conditions of manhole cover
US-12473705-B2 · Nov 18, 2025 · US
Sel-reporting monitor for integrity and conditions of manhole cover
US-12473705-B2 · Nov 18, 2025 · US
Monitoring device and well cover assembly
US-12012713-B2 · Jun 18, 2024 · US
Monitoring device and well cover assembly
US-2024044098-A1 · Feb 8, 2024 · US
Related pages
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