- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 18/08 - Flue dust
Patent holdings for IPC class C04B 18/08
Total number of patents in this class: 567
10-year publication summary
|
19
|
40
|
42
|
43
|
45
|
47
|
46
|
41
|
52
|
47
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tokuyama Corporation | 1411 |
23 |
| Halliburton Energy Services, Inc. | 20946 |
14 |
| CR Minerals Company, LLC | 24 |
13 |
| Taiheiyo Cement Corporation | 239 |
12 |
| Saudi Arabian Oil Company | 13372 |
9 |
| The Catholic University of America | 99 |
8 |
| King Fahd University of Petroleum and Minerals | 1272 |
8 |
| Roman Cement, LLC | 48 |
8 |
| EM Resources LLC | 38 |
8 |
| Sika Technology AG | 2875 |
7 |
| Denka Company Limited | 2604 |
6 |
| Obayashi Corporation | 74 |
6 |
| Sumitomo Osaka Cement Co., Ltd. | 854 |
6 |
| United States Gypsum Company | 905 |
6 |
| Vecor IP Holdings Limited | 32 |
6 |
| Carbon Upcycling Technologies Inc. | 32 |
6 |
| The Arizona Board of Regents on Behalf of the University of Arizona | 2185 |
5 |
| Council of Scientific & Industrial Research | 1439 |
5 |
| Drexel University | 1002 |
5 |
| Mitsui Engineering & Shipbuilding Co., Ltd. | 318 |
5 |
| Other owners | 401 |