China Huaneng Group Co Ltd - Company Profile
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View up-to-date information on China Huaneng Group Co Ltd patents, including inventor and filing insights.
Patent Trends
| Publication Identifier | Document Type | Title | Classification-CPC | Publication Date |
|---|---|---|---|---|
| CN220894054U | Grant | 一种间断式驱动装置及密度检测系统 | May 03, 2024 | |
| WO2024088045A1 | Application | Active control method and device for large deformation of deep thin-layered surrounding rock | E21D20/028; E21D20/025; E21D20/003; E21D21/0026 | May 02, 2024 |
| WO2024087572A1 | Application | Mercury measurement device and method | May 02, 2024 | |
| WO2024088044A1 | Application | Partitioned bolt-grouting supporting apparatus and method for large deformation of high-stress tunnel cataclastic rock mass | E21D20/025; E21D11/10; E21D20/021 | May 02, 2024 |
| US20240141786A1 | Application | Active control method and device for large deformation of deep thin-bedded surrounding rock | E21D21/0026; E21D20/028; E21D20/025 | May 02, 2024 |
Top Inventors by Filings (Count by publication)
| Name | Count |
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