- All sections
- C - Chemistry; metallurgy
- C22B - Production or refining of metals; pretreatment 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: 16
10-year publication summary
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0
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0
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1
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0
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1
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0
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0
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4
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0
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0
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| IFP Energies Nouvelles | 2717 |
2 |
| Output Enablers LLC, d/b/a Calchemist | 3 |
2 |
| Toshiba Corporation | 12017 |
1 |
| Orchard Material Technology, LLC | 5 |
1 |
| Outotec (Finland) Oy | 491 |
1 |
| Sumitomo Metal Industries, Ltd. | 453 |
1 |
| Toshiba Materials Co., Ltd. | 600 |
1 |
| Triumf, Operating AS a Joint Venture by The Governors of The University of Alberta, The University of British Columbia, Carleton University, SIM | 12 |
1 |
| H. C. Starck Tungsten GmbH | 8 |
1 |
| Curium US LLC | 124 |
1 |
| LITZ, John K. | 1 |
1 |
| MCHUGH, Lawrence F. | 1 |
1 |
| Triumf Inc. | 17 |
1 |
| Shine Technologies, LLC | 92 |
1 |
| Other owners | 0 |