Method for producing phosphoric acid and calcium sulphate quality suitable for a clinker process for the commercial and industrial utilization of calcium sulphate
US-12583747-B2 · Mar 24, 2026 · US
Helmle Stefan is listed as an inventor on 5 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Helmle Stefan |
| Total patents | 5 |
| First publication | Aug 29, 2019 |
| Latest publication | Mar 24, 2026 |
Publications ranked by popularity score, then publication date.
US-12583747-B2 · Mar 24, 2026 · US
US-2023373789-A1 · Nov 23, 2023 · US
US-2023039227-A1 · Feb 9, 2023 · US
US-2020346985-A1 · Nov 5, 2020 · US
US-2019267648-A1 · Aug 29, 2019 · US
Latest publications not already listed above.
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Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Thyssenkrupp Ind Solutions Ag | 5 |
| Thyssenkrupp Ag | 4 |
| Thyssenkrupp Ag | 1 |
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C01B25/232 | 3 |
| C01F11/468 | 3 |
| C01B17/74 | 3 |
| C01B17/506 | 3 |
| C04B7/04 | 3 |