- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 7/147 - Metallurgical slag
Patent holdings for IPC class C04B 7/147
Total number of patents in this class: 98
10-year publication summary
|
2
|
4
|
3
|
9
|
4
|
8
|
10
|
7
|
13
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Northeastern University | 561 |
8 |
| Roman Cement, LLC | 47 |
6 |
| Boliden Commercial AB | 8 |
5 |
| Saudi Arabian Oil Company | 13940 |
4 |
| Shandong University | 1110 |
4 |
| Orbix Productions | 12 |
4 |
| Edw. C. Levy Co. | 51 |
3 |
| Holcim Technology Ltd. | 497 |
3 |
| Loesche GmbH | 80 |
3 |
| Carbicrete Inc. | 71 |
3 |
| Mid-American Gunite, Inc. | 28 |
2 |
| The Royal Institution for The Advancement of Learning / McGill University | 711 |
2 |
| Dongda Nonferrous Solid Waste Technology Research Institute (liaoling) Co., Ltd | 10 |
2 |
| Tapojärvi Oy | 5 |
2 |
| Aramco Services Company | 4172 |
1 |
| Beijing University of Technology | 512 |
1 |
| Capitol Aggregates, Inc. | 10 |
1 |
| CRH Group Services Limited | 100 |
1 |
| Denka Company Limited | 2692 |
1 |
| En-Tech Corporation | 13 |
1 |
| Other owners | 41 |