- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 7/345 - Hydraulic cements not provided for in one of the groups
Patent holdings for IPC class C04B 7/345
Total number of patents in this class: 140
10-year publication summary
|
9
|
3
|
10
|
8
|
9
|
4
|
12
|
13
|
4
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| HeidelbergCement AG | 78 |
16 |
| Solidia Technologies, Inc. | 78 |
13 |
| Arelac, Inc. | 115 |
9 |
| Vicat | 102 |
8 |
| Karlsruher Institut fur Technologie | 381 |
6 |
| Hsustainability GmbH | 59 |
6 |
| Lafarge | 120 |
5 |
| Denka Company Limited | 2712 |
4 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 581 |
4 |
| University of Kentucky Research Foundation | 714 |
3 |
| Halliburton Energy Services, Inc. | 21320 |
2 |
| Holcim Technology Ltd. | 484 |
2 |
| King Fahd University of Petroleum & Minerals | 194 |
2 |
| The Penn State Research Foundation | 1608 |
2 |
| Saudi Arabian Oil Company | 14207 |
2 |
| SWIMC, LLC | 2576 |
2 |
| Carbon Upcycling Technologies Inc. | 43 |
2 |
| China Building Materials Academy Co., Ltd. | 39 |
2 |
| Mitsubishi Ube Cement Corporation | 60 |
2 |
| China National Building Material Group Co., Ltd. | 153 |
2 |
| Other owners | 46 |