- 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: 560
10-year publication summary
|
21
|
43
|
43
|
48
|
48
|
51
|
48
|
43
|
53
|
35
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tokuyama Corporation | 1389 |
22 |
| Halliburton Energy Services, Inc. | 20891 |
16 |
| CR Minerals Company, LLC | 24 |
13 |
| Taiheiyo Cement Corporation | 236 |
12 |
| Saudi Arabian Oil Company | 13155 |
9 |
| The Catholic University of America | 97 |
8 |
| King Fahd University of Petroleum and Minerals | 1189 |
8 |
| EM Resources LLC | 40 |
8 |
| Roman Cement, LLC | 47 |
7 |
| Sika Technology AG | 2867 |
7 |
| Denka Company Limited | 2573 |
6 |
| Obayashi Corporation | 72 |
6 |
| Sumitomo Osaka Cement Co., Ltd. | 848 |
6 |
| United States Gypsum Company | 898 |
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 | 2157 |
5 |
| Council of Scientific & Industrial Research | 1425 |
5 |
| Drexel University | 988 |
5 |
| Mitsui Engineering & Shipbuilding Co., Ltd. | 318 |
5 |
| Other owners | 394 |