- 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: 148
10-year publication summary
|
6
|
10
|
13
|
16
|
20
|
4
|
12
|
11
|
14
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Roman Cement, LLC | 48 |
11 |
| Tokuyama Corporation | 1477 |
8 |
| CarbonCure Technologies Inc. | 88 |
6 |
| Hsustainability GmbH | 60 |
6 |
| Halliburton Energy Services, Inc. | 21338 |
5 |
| Taiheiyo Cement Corporation | 243 |
5 |
| Eagle Strong Investments, LLC | 11 |
5 |
| United States Gypsum Company | 927 |
4 |
| Amrize Technology Switzerland LLC | 717 |
4 |
| Holcim Technology Ltd. | 485 |
3 |
| Satarem Technologies Limited | 3 |
3 |
| Shandong University | 1152 |
3 |
| Sumitomo Osaka Cement Co., Ltd. | 894 |
3 |
| Fatec Oy | 7 |
3 |
| Alliance Magnesium | 19 |
2 |
| Graymont Western Canada Inc. | 54 |
2 |
| Huazhi Energy Conservation (HK) Co., Limited | 5 |
2 |
| Louisiana Tech Research Corporation | 53 |
2 |
| Socpra Sciences et Genie S.E.C. | 212 |
2 |
| Ube Industries, Ltd. | 770 |
2 |
| Other owners | 67 |