- All sections
- C - Chemistry; metallurgy
- C04B - Lime; magnesia; slag; cements; compositions thereof, e.g. mortars, concrete or like building materials; artificial stone; ceramics; refractories; treatment 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: 131
10-year publication summary
|
17
|
6
|
10
|
13
|
16
|
20
|
4
|
12
|
9
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Roman Cement, LLC | 46 |
10 |
| Tokuyama Corporation | 1342 |
9 |
| Hsustainability GmbH | 32 |
6 |
| Halliburton Energy Services, Inc. | 20438 |
5 |
| CarbonCure Technologies Inc. | 82 |
5 |
| Holcim Technology Ltd. | 995 |
5 |
| Taiheiyo Cement Corporation | 237 |
5 |
| United States Gypsum Company | 1002 |
4 |
| Eagle Strong Investments, LLC | 9 |
4 |
| Satarem Technologies Limited | 3 |
3 |
| Sumitomo Osaka Cement Co., Ltd. | 827 |
3 |
| Fatec Oy | 9 |
3 |
| Alliance Magnesium | 15 |
2 |
| Huazhi Energy Conservation (HK) Co., Limited | 5 |
2 |
| Louisiana Tech Research Corporation | 50 |
2 |
| Socpra Sciences et Genie S.E.C. | 183 |
2 |
| ThyssenKrupp Industrial Solutions AG | 690 |
2 |
| Ube Industries, Ltd. | 879 |
2 |
| Yara International ASA | 798 |
2 |
| Cfoam LLC | 16 |
2 |
| Other owners | 53 |