- Sections
- C - Chimiemétallurgie
- C04B - Chauxmagnésiescoriescimentsleurs compositions, p. ex. mortiers, béton ou matériaux de construction similairespierre artificiellecéramiquesréfractairestraitement de la pierre naturelle
- C04B 18/08 - Cendres volantes
Détention brevets de la classe C04B 18/08
Brevets de cette classe: 599
Historique des publications depuis 10 ans
|
43
|
43
|
48
|
49
|
51
|
48
|
43
|
55
|
57
|
32
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Tokuyama Corporation | 1474 |
24 |
| CR Minerals Company, LLC | 24 |
13 |
| Taiheiyo Cement Corporation | 243 |
13 |
| Halliburton Energy Services, Inc. | 21320 |
12 |
| Saudi Arabian Oil Company | 14207 |
9 |
| Sika Technology AG | 3002 |
9 |
| EM Resources LLC | 36 |
9 |
| The Catholic University of America | 99 |
8 |
| King Fahd University of Petroleum and Minerals | 1569 |
8 |
| Denka Company Limited | 2712 |
7 |
| Obayashi Corporation | 85 |
7 |
| Roman Cement, LLC | 48 |
7 |
| United States Gypsum Company | 923 |
7 |
| Carbon Upcycling Technologies Inc. | 43 |
7 |
| Sumitomo Osaka Cement Co., Ltd. | 894 |
6 |
| The Arizona Board of Regents on Behalf of the University of Arizona | 2292 |
5 |
| Council of Scientific & Industrial Research | 1445 |
5 |
| Drexel University | 1001 |
5 |
| Vecor IP Holdings Limited | 29 |
5 |
| Schlumberger Technology Corporation | 11798 |
4 |
| Autres propriétaires | 429 |