- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 7/19 - Portland cements
Patent holdings for IPC class C04B 7/19
Total number of patents in this class: 61
10-year publication summary
|
2
|
2
|
2
|
4
|
2
|
3
|
1
|
7
|
6
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Holcim Technology Ltd. | 986 |
4 |
| Nippon Steel Corporation | 6203 |
4 |
| The Regents of the University of California | 19857 |
3 |
| Arizona Board of Regents on behalf of Arizona State University | 2595 |
3 |
| JFE Steel Corporation | 6809 |
3 |
| Roman Cement, LLC | 47 |
3 |
| Sika Technology AG | 2855 |
3 |
| Nippon Steel Esment Kanto Co., Ltd. | 2 |
2 |
| NUtech Ventures | 335 |
2 |
| Saint-Gobain Weber | 173 |
2 |
| Ube Industries, Ltd. | 852 |
2 |
| Nippon Steel Slag Products Co., Ltd. | 4 |
2 |
| Schlumberger Technology Corporation | 10662 |
1 |
| Kao Corporation | 4959 |
1 |
| Cambridge Enterprise Limited | 1182 |
1 |
| Capitol Aggregates, Inc. | 10 |
1 |
| Construction Research & Technology GmbH | 643 |
1 |
| Denka Company Limited | 2561 |
1 |
| Fundacao Educacional de Criciuma | 2 |
1 |
| InterCement Brasil S.A. | 7 |
1 |
| Other owners | 20 |