- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 7/26 - Cements from oil shales, residues or waste other than slag from raw materials containing flue dust
Patent holdings for IPC class C04B 7/26
Total number of patents in this class: 143
10-year publication summary
|
16
|
5
|
9
|
11
|
15
|
15
|
4
|
10
|
9
|
13
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Roman Cement, LLC | 48 |
10 |
| Tokuyama Corporation | 1423 |
9 |
| CarbonCure Technologies Inc. | 88 |
6 |
| Hsustainability GmbH | 47 |
6 |
| Halliburton Energy Services, Inc. | 21006 |
5 |
| Taiheiyo Cement Corporation | 242 |
5 |
| Eagle Strong Investments, LLC | 11 |
5 |
| Holcim Technology Ltd. | 622 |
4 |
| United States Gypsum Company | 908 |
4 |
| Satarem Technologies Limited | 3 |
3 |
| Shandong University | 1064 |
3 |
| Sumitomo Osaka Cement Co., Ltd. | 866 |
3 |
| Fatec Oy | 9 |
3 |
| Alliance Magnesium | 17 |
2 |
| Huazhi Energy Conservation (HK) Co., Limited | 5 |
2 |
| Louisiana Tech Research Corporation | 52 |
2 |
| Socpra Sciences et Genie S.E.C. | 203 |
2 |
| Ube Industries, Ltd. | 825 |
2 |
| Yara International ASA | 858 |
2 |
| Suversol International, LLC | 3 |
2 |
| Other owners | 63 |