- 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: 139
10-year publication summary
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4
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5
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6
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7
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3
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4
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9
|
11
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10
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Technological Resources Pty. Limited | 448 |
10 |
| Electrasteel, Inc. | 43 |
9 |
| National Research Council of Canada | 1554 |
4 |
| Metso Metals Oy | 208 |
4 |
| Badwater Alchemy Inc. | 5 |
4 |
| Oqab Dietrich Induction Inc. | 62 |
3 |
| Taniobis GmbH | 61 |
3 |
| Xerox Corporation | 6974 |
2 |
| Northwestern University | 3439 |
2 |
| Consolidated Nuclear Security, LLC | 125 |
2 |
| Keystone Metals Recovery Inc. | 4 |
2 |
| Outotec (Finland) Oy | 477 |
2 |
| Outotec Oyj | 273 |
2 |
| POSCO | 2177 |
2 |
| Pyrogenesis Canada, Inc. | 68 |
2 |
| SMS Siemag Aktiengesellschaft | 504 |
2 |
| TMT - Tapping Measuring Technology SARL | 32 |
2 |
| Umicore | 671 |
2 |
| Environmental Clean Technologies Limited | 3 |
2 |
| Beijing Shenwu Environment and Energy Technology Co., Ltd. | 18 |
2 |
| Other owners | 76 |