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 |
|---|---|---|---|---|
| CN115640687A | Application | Anti-impact efficiency evaluation method for rock burst roadway hydraulic support | January 24, 2023 | |
| CN115585006A | Application | Rock burst roadway anti-impact support type selection method based on supporting strength | E21D23/0086; E21D23/04 | January 10, 2023 |
| CN115573719A | Application | Hydraulic fracturing device for preventing water injection rod from being bunched | E21C37/12; E21C41/18 | January 06, 2023 |
| CN115013019A | Application | Anchor cable resin anchoring centering stirring device and working method | E21D20/025; E21D21/006 | September 06, 2022 |
| CN114997013A | Application | Intelligent identification optimization method for energy absorption structure | G06F2111/10; G06F2119/14; G06F30/17; G06F30/23; G06N3/006; Y02T90/00 | September 02, 2022 |
Top Inventors by Filings (Count by publication)
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