Method for extracting and recovering gold from aqueous solution
US-12577635-B2 · Mar 17, 2026 · US
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Duan Chenlong patents
Duan Chenlong is listed as an inventor on 17 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Duan Chenlong |
| Total patents | 17 |
| First publication | Feb 25, 2016 |
| Latest publication | Mar 17, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Method for separation, purification and regeneration of spent lithium iron phosphate electrode materials
US-2025361146-A1 · Nov 27, 2025 · US
Method for Extracting and Recovering Gold from Aqueous Solution
US-2023416871-A1 · Dec 28, 2023 · US
Gas-solid fluidized bed dry beneficiation process using beneficiation density gradient
US-11484913-B2 · Nov 1, 2022 · US
Lignite transient dehydration upgrading and temperature and pressure instant generation device system
US-2022340830-A1 · Oct 27, 2022 · US
Underground coal hypergravity field separation system and separation process
US-2022314233-A1 · Oct 6, 2022 · US
Method and process for upgrading lignite by collaborative optimization of drying and dry sorting
US-11434444-B2 · Sep 6, 2022 · US
Intelligent control method for dry dense medium fluidized bed separator
US-2022258176-A1 · Aug 18, 2022 · US
Gas-solid fluidized bed dry beneficiation process using beneficiation density gradient
US-2022176411-A1 · Jun 9, 2022 · US
Method and process for upgrading lignite by collaborative optimization of drying and dry sorting
US-2021292672-A1 · Sep 23, 2021 · US
Recent patents
Latest publications not already listed above.
Dense-medium separation process for oil shale
US-2021276018-A1 · Sep 9, 2021 · US
Modular quality improvement process and quality improvement system for high density coal measures oil shale
US-10875055-B2 · Dec 29, 2020 · US
Coupled system and method for the separation and drying of moist fine particle coal
US-10821477-B2 · Nov 3, 2020 · US
Coupled system and method for the separation and drying of moist fine particle coal
US-2020238337-A1 · Jul 30, 2020 · US
Modular quality improvement process and quality improvement system for high density coal measures oil shale
US-2020130018-A1 · Apr 30, 2020 · US
Drying and separation integrated machine for vibrating fluidized bed
US-9964357-B2 · May 8, 2018 · US
Drying and separation integrated machine for vibrating fluidized bed
US-2016054056-A1 · Feb 25, 2016 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Univ China Mining | 17 |
| Jiangsu Hydrocarbon Clean Energy Tech Research Institute Co Ltd | 1 |
| Xuzhou Zhirun Mining Equipment Science And Tech Co Ltd | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| F26B3/092 | 4 |
| B07B4/08 | 4 |
| B07B9/00 | 4 |
| C10L5/04 | 3 |
| C10L2290/08 | 3 |