- 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: 568
Historique des publications depuis 10 ans
|
19
|
40
|
42
|
43
|
45
|
47
|
46
|
41
|
52
|
55
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Tokuyama Corporation | 1434 |
24 |
| CR Minerals Company, LLC | 24 |
13 |
| Halliburton Energy Services, Inc. | 21114 |
12 |
| Taiheiyo Cement Corporation | 244 |
11 |
| Saudi Arabian Oil Company | 13681 |
9 |
| The Catholic University of America | 99 |
8 |
| King Fahd University of Petroleum and Minerals | 1387 |
8 |
| Roman Cement, LLC | 48 |
8 |
| EM Resources LLC | 37 |
8 |
| Denka Company Limited | 2662 |
7 |
| Sika Technology AG | 2915 |
7 |
| Obayashi Corporation | 78 |
6 |
| Sumitomo Osaka Cement Co., Ltd. | 872 |
6 |
| United States Gypsum Company | 903 |
6 |
| Vecor IP Holdings Limited | 33 |
6 |
| Carbon Upcycling Technologies Inc. | 34 |
6 |
| The Arizona Board of Regents on Behalf of the University of Arizona | 2222 |
5 |
| Council of Scientific & Industrial Research | 1430 |
5 |
| Drexel University | 1009 |
5 |
| The Regents of the University of Michigan | 4801 |
4 |
| Autres propriétaires | 404 |