- All sections
- C - Chemistry; metallurgy
- C04B - Lime; magnesia; slag; cements; compositions thereof, e.g. mortars, concrete or like building materials; artificial stone; ceramics; refractories; treatment of natural stone
- C04B 35/482 - Refractories from grain sized mixtures
Patent holdings for IPC class C04B 35/482
Total number of patents in this class: 72
10-year publication summary
|
5
|
6
|
10
|
5
|
3
|
3
|
0
|
1
|
4
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saint-Gobain Centre de Recherches et d'Etudes Europeen | 485 |
23 |
| Refractory Intellectual Property GmbH & Co. KG | 521 |
8 |
| Corning Incorporated | 10087 |
6 |
| ExxonMobil Chemical Patents Inc. | 4118 |
4 |
| Oerlikon Metco (US) Inc. | 210 |
4 |
| Commissariat à l'Energie Atomique (CEA) | 18 |
3 |
| Krosakiharima Corporation | 266 |
2 |
| Refratechnik Holding GmbH | 145 |
2 |
| Sumitomo Electric Industries, Ltd. | 14914 |
1 |
| Sumitomo Electric Hardmetal Corp. | 1005 |
1 |
| Kyocera Corporation | 13319 |
1 |
| Rolls-Royce PLC | 2976 |
1 |
| Areva NP | 220 |
1 |
| Calderys France | 43 |
1 |
| Consejo Superior de Investigaciones Cientificas | 905 |
1 |
| Hüttenes-Albertus Chemische Werke GmbH | 157 |
1 |
| Nobel Biocare Services AG | 346 |
1 |
| O'Brien Asset Management, LLC | 14 |
1 |
| Praxair S.T. Technology, Inc. | 135 |
1 |
| Saint-Gobain Ceramics & Plastics, Inc. | 837 |
1 |
| Other owners | 8 |