- All sections
- C - Chemistrymetallurgy
- C22B - Production or refining of metalspretreatment of raw materials
- C22B 34/30 - Obtaining chromium, molybdenum or tungsten
Patent holdings for IPC class C22B 34/30
Total number of patents in this class: 18
10-year publication summary
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1
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0
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1
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0
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1
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5
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0
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0
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1
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| IFP Energies Nouvelles | 3098 |
2 |
| UChicago Argonne, LLC | 946 |
2 |
| Output Enablers LLC, d/b/a Calchemist | 2 |
2 |
| Orchard Material Technology, LLC | 5 |
1 |
| Outotec (Finland) Oy | 455 |
1 |
| Sumitomo Metal Industries, Ltd. | 316 |
1 |
| Toshiba Materials Co., Ltd. | 563 |
1 |
| Triumf, Operating AS a Joint Venture by The Governors of The University of Alberta, The University of British Columbia, Carleton University, SIM | 6 |
1 |
| H. C. Starck Tungsten GmbH | 18 |
1 |
| Curium US LLC | 181 |
1 |
| LITZ, John K. | 1 |
1 |
| MCHUGH, Lawrence F. | 1 |
1 |
| HBI S.r.l. | 5 |
1 |
| Triumf Inc. | 20 |
1 |
| Shine Technologies, LLC | 165 |
1 |
| Other owners | 0 |