- Sections
- C - Chimie; métallurgie
- C04B - Chaux; magnésie; scories; ciments; leurs compositions, p.ex. mortiers, béton ou matériaux de construction similaires; pierre artificielle; céramiques; réfractaires; traitement de la pierre naturelle
- C04B 18/08 - Cendres volantes
Détention brevets de la classe C04B 18/08
Brevets de cette classe: 530
Historique des publications depuis 10 ans
|
21
|
43
|
43
|
48
|
48
|
51
|
48
|
42
|
51
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Tokuyama Corporation | 1342 |
21 |
| Halliburton Energy Services, Inc. | 20419 |
16 |
| Taiheiyo Cement Corporation | 237 |
13 |
| CR Minerals Company, LLC | 23 |
12 |
| Saudi Arabian Oil Company | 12423 |
9 |
| The Catholic University of America | 96 |
8 |
| King Fahd University of Petroleum and Minerals | 1007 |
8 |
| EM Resources LLC | 41 |
8 |
| Roman Cement, LLC | 46 |
6 |
| Sika Technology AG | 2848 |
6 |
| Sumitomo Osaka Cement Co., Ltd. | 827 |
6 |
| United States Gypsum Company | 1003 |
6 |
| Vecor IP Holdings Limited | 31 |
6 |
| Carbon Upcycling Technologies Inc. | 21 |
6 |
| The Arizona Board of Regents on Behalf of the University of Arizona | 2062 |
5 |
| Denka Company Limited | 2458 |
5 |
| Mitsui Engineering & Shipbuilding Co., Ltd. | 330 |
5 |
| Obayashi Corporation | 62 |
5 |
| The Regents of the University of Michigan | 4572 |
4 |
| Aramco Services Company | 3744 |
4 |
| Autres propriétaires | 371 |