- All sections
- C - Chemistrymetallurgy
- C21B - Manufacture of iron or steel
- C21B 7/06 - Linings for furnaces
Patent holdings for IPC class C21B 7/06
Total number of patents in this class: 78
10-year publication summary
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3
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4
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5
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6
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8
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5
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4
|
4
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4
|
1
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ArcelorMittal | 2271 |
7 |
| Paul Wurth S.A. | 418 |
5 |
| Refractory Intellectual Property GmbH & Co. KG | 537 |
5 |
| Krosakiharima Corporation | 283 |
4 |
| Nippon Steel Corporation | 6203 |
4 |
| Berry Metal Company | 52 |
3 |
| Sachtleben Chemie GmbH | 65 |
3 |
| Air Products and Chemicals, Inc. | 1416 |
2 |
| Nippon Electrode Company, Ltd. | 19 |
2 |
| Novelis Inc. | 742 |
2 |
| Vesuvius Group S.A. | 97 |
2 |
| International Business Machines Corporation | 61185 |
1 |
| TDK Corporation | 6702 |
1 |
| Lockheed Martin Corporation | 3275 |
1 |
| Siemens VAI Metals Technologies GmbH | 222 |
1 |
| Affival | 25 |
1 |
| ArcelorMittal Investigacion y Desarrollo SL | 209 |
1 |
| ATI Properties LLC | 203 |
1 |
| Harsco Technologies Corporation | 3 |
1 |
| Macrae Technologies, Inc | 14 |
1 |
| Other owners | 30 |