System for treating tin smelting intermediate materials and method for treating same
US-12492446-B2 · Dec 9, 2025 · US
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Song Xingcheng patents
Song Xingcheng is listed as an inventor on 2 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Song Xingcheng |
| Total patents | 2 |
| First publication | Apr 13, 2023 |
| Latest publication | Dec 9, 2025 |
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Univ Kunming Science & Technology | 2 |
| Yunnan Tin Co Ltd Tin Branch | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| F27D17/302 | 2 |
| C22B7/02 | 2 |
| F27D2007/066 | 2 |
| F27M2001/10 | 2 |
| F27M2003/13 | 2 |