Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11936038 | Silicon particles having a specific chlorine content, as active anode material for lithium ion batteries | Jurgen Pfeiffer, Eckhard Hanelt, Karl Hesse, Robert Maurer | 2024-03-19 |
| 11667533 | Process for preparing polycrystalline silicon | Heinz Kraus | 2023-06-06 |
| 11440803 | Process for preparing polycrystalline silicon | Dirk Weckesser | 2022-09-13 |
| 10544047 | Method for producing polycrystalline silicon | Friedrich Popp | 2020-01-28 |
| 10363534 | Fluidized bed reactor for producing polycrystalline silicon granules and method for the assembly of such a fluidized bed reactor | Dirk Weckesser, Gerhard Forstpointner | 2019-07-30 |
| 10150675 | Method for producing polycrystalline silicon | Friedrich Popp | 2018-12-11 |
| 9988277 | Fluidized bed reactor and method for producing granular polysilicon | Dirk Weckesser | 2018-06-05 |
| 9962745 | Cleaning of CVD production spaces | Friedrich Popp | 2018-05-08 |
| 9296616 | Granular polycrystalline silicon and production thereof | Rainer Hauswirth, Dieter Weidhaus | 2016-03-29 |
| 8722141 | Process for the continuous production of polycrystalline high-purity silicon granules | Dieter Weidhaus, Rainer Hauswirth | 2014-05-13 |
| 8398946 | Polycrystalline silicon and method for the production thereof | Oliver Kraetzschmar | 2013-03-19 |
| 7922990 | Method and device for producing granulated polycrystalline silicon in a fluidized bed reactor | Rainer Hauswirth | 2011-04-12 |
| 6639192 | Deposition device for depositing semiconductor material on a heated substrate | Karl Hesse, Axel Frauenknecht | 2003-10-28 |