- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 35/66 - Monolithic refractories or refractory mortars, including those whether or not containing clay
Patent holdings for IPC class C04B 35/66
Total number of patents in this class: 511
10-year publication summary
|
36
|
36
|
34
|
36
|
22
|
17
|
25
|
17
|
19
|
22
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Refractory Intellectual Property GmbH & Co. KG | 542 |
41 |
| Krosakiharima Corporation | 288 |
40 |
| Saint-Gobain Centre de Recherches et d'Etudes Europeen | 491 |
31 |
| Refratechnik Holding GmbH | 147 |
25 |
| Calderys France | 53 |
16 |
| Corning Incorporated | 10320 |
12 |
| Nippon Steel Corporation | 6365 |
11 |
| Nichias Corporation | 393 |
10 |
| Wuhan University of Science and Technology | 66 |
8 |
| Nippon Steel & Sumitomo Metal Corporation | 1987 |
6 |
| Saint-Gobain Ceramics & Plastics, Inc. | 836 |
6 |
| Shinagawa Refractories Co., Ltd. | 53 |
6 |
| University of Science and Technology Beijing | 288 |
6 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 625 |
5 |
| JFE Steel Corporation | 6965 |
5 |
| Vecor IP Holdings Limited | 32 |
5 |
| Zibo City Luzhong Refractories Co., Ltd. | 10 |
5 |
| NGK Insulators, Ltd. | 5103 |
4 |
| Fib-services Intellectual S.A. | 7 |
4 |
| Stellar Materials Incorporated | 6 |
4 |
| Other owners | 261 |