Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12378632 | Bauxite processing method | Johann Eirich, Vitali Welmann | 2025-08-05 |
| 11911776 | Method for integrated processing of finely dispersed metal-containing waste | Johann Eirich, Vitali Welmann | 2024-02-27 |