- 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: 89
10-year publication summary
|
1
|
2
|
4
|
3
|
9
|
4
|
8
|
10
|
7
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Northeastern University | 541 |
8 |
| Roman Cement, LLC | 48 |
6 |
| Holcim Technology Ltd. | 997 |
4 |
| Loesche GmbH | 81 |
4 |
| Shandong University | 1050 |
4 |
| Orbix Productions | 11 |
4 |
| Saudi Arabian Oil Company | 13295 |
3 |
| Boliden Commercial AB | 5 |
3 |
| Mid-American Gunite, Inc. | 29 |
2 |
| Carbicrete Inc. | 67 |
2 |
| The Royal Institution for The Advancement of Learning / McGill University | 689 |
2 |
| Dongda Nonferrous Solid Waste Technology Research Institute (liaoling) Co., Ltd | 10 |
2 |
| Tapojärvi Oy | 4 |
2 |
| Aramco Services Company | 4002 |
1 |
| Beijing University of Technology | 496 |
1 |
| Capitol Aggregates, Inc. | 10 |
1 |
| Cementech Pty Ltd | 1 |
1 |
| Denka Company Limited | 2596 |
1 |
| Edw. C. Levy Co. | 47 |
1 |
| En-Tech Corporation | 13 |
1 |
| Other owners | 36 |