- All sections
- C - Chemistrymetallurgy
- C22B - Production or refining of metalspretreatment of raw materials
- C22B 5/00 - General processes of reducing to metals
Patent holdings for IPC class C22B 5/00
Total number of patents in this class: 134
10-year publication summary
|
5
|
5
|
11
|
12
|
5
|
7
|
14
|
13
|
10
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Technological Resources Pty. Limited | 441 |
9 |
| Electrasteel, Inc. | 36 |
8 |
| National Research Council of Canada | 1542 |
4 |
| Oqab Dietrich Induction Inc. | 56 |
4 |
| Metso Metals Oy | 194 |
4 |
| Taniobis GmbH | 62 |
3 |
| Badwater Alchemy Inc. | 3 |
3 |
| Xerox Corporation | 7041 |
2 |
| Northwestern University | 3337 |
2 |
| Consolidated Nuclear Security, LLC | 126 |
2 |
| Keystone Metals Recovery Inc. | 4 |
2 |
| Outotec (Finland) Oy | 486 |
2 |
| Outotec Oyj | 284 |
2 |
| POSCO | 2188 |
2 |
| SMS Siemag Aktiengesellschaft | 507 |
2 |
| TMT - Tapping Measuring Technology SARL | 35 |
2 |
| Umicore | 618 |
2 |
| Environmental Clean Technologies Limited | 3 |
2 |
| Beijing Shenwu Environment and Energy Technology Co., Ltd. | 18 |
2 |
| Tata Steel Limited | 17 |
2 |
| Other owners | 73 |