- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 33/023 - Preparation by reduction of silica or silica-containing material
Patent holdings for IPC class C01B 33/023
Total number of patents in this class: 156
10-year publication summary
|
15
|
17
|
8
|
7
|
13
|
10
|
9
|
17
|
14
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Energy Solution, Ltd. | 18582 |
7 |
| Green 14 AB | 11 |
6 |
| The Regents of the University of California | 20669 |
4 |
| Ionic Mineral Technologies, LLC | 5 |
4 |
| Battelle Memorial Institute | 2598 |
3 |
| Kevin Allan Dooley Inc. | 9 |
3 |
| Pyrogenesis Canada, Inc. | 65 |
3 |
| Silicon Fire AG | 19 |
3 |
| UT-Battelle, LLC | 1509 |
3 |
| Wacker Chemie AG | 2107 |
3 |
| Hpq-silicon Resources Inc. | 3 |
3 |
| LG Chem, Ltd. | 17920 |
2 |
| Robert Bosch GmbH | 44045 |
2 |
| Corning Incorporated | 10488 |
2 |
| Mitsubishi Chemical Corporation | 4705 |
2 |
| Brigham Young University | 598 |
2 |
| Dalhousie University | 169 |
2 |
| I'msep Co., Ltd. | 14 |
2 |
| Industry-university Cooperation Foundation Hanyang University Erica Campus | 639 |
2 |
| M. Technique Co., Ltd. | 252 |
2 |
| Other owners | 96 |