China Coal Energy Co Ltd - Company Profile
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View up-to-date information on China Coal Energy Co Ltd patents, including inventor and filing insights.
Patent Trends
| Publication Identifier | Document Type | Title | Classification-CPC | Publication Date |
|---|---|---|---|---|
| CN110939447A | Application | Material receiving and buffering device for feeding well | E21D7/00; E21D8/00; E21F17/00 | March 31, 2020 |
| CN110765642A | Application | Zoning evaluation method for roof rock stratum structure of coal seam, mining area or working face | G06Q10/0639; G06Q50/02 | February 07, 2020 |
| CN209780954U | Grant | Coal face end triangular area filling device | December 13, 2019 | |
| CN209577304U | Grant | Raw coal introducing device of underground coal separation system | November 05, 2019 | |
| CN209583845U | Grant | System for replacing reclaimed water by recycling flue gas condensed water | November 05, 2019 |
Top Inventors by Filings (Count by publication)
| Name | Count |
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