- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 35/103 - Refractories from grain sized mixtures containing non-oxide refractory materials, e.g. carbon
Patent holdings for IPC class C04B 35/103
Total number of patents in this class: 77
10-year publication summary
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3
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5
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7
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9
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2
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5
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0
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5
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2
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4
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Krosakiharima Corporation | 284 |
16 |
| Refractory Intellectual Property GmbH & Co. KG | 541 |
10 |
| Calderys France | 53 |
8 |
| JFE Steel Corporation | 6892 |
4 |
| Nippon Steel Corporation | 6321 |
4 |
| Sumitomo Osaka Cement Co., Ltd. | 854 |
3 |
| 3m Innovative Properties Company | 17812 |
2 |
| King Fahd University of Petroleum and Minerals | 1259 |
2 |
| Saint-Gobain Centre de Recherches et d'Etudes Europeen | 493 |
2 |
| Vesuvius USA Corporation | 92 |
2 |
| Imertech SAS | 228 |
2 |
| Refraforce GmbH | 2 |
2 |
| Canon Inc. | 40280 |
1 |
| TDK Corporation | 6796 |
1 |
| Alcoa Inc. | 284 |
1 |
| Elkem AS | 61 |
1 |
| Imerys Ceramics France | 26 |
1 |
| KSM Component Co., Ltd | 22 |
1 |
| LWB Refractories GmbH | 2 |
1 |
| Refratechnik Holding GmbH | 145 |
1 |
| Other owners | 12 |